this derivation will be built:
  /nix/store/p63c8qrkmzprmjamlcxw4ahcxww673zz-helium-headless-browser.drv
building '/nix/store/p63c8qrkmzprmjamlcxw4ahcxww673zz-helium-headless-browser.drv'
helium-headless-browser> [6:26:1108/184556.676044:ERROR:dbus/bus.cc:406] Failed to connect to the bus: Failed to connect to socket /run/dbus/system_bus_socket: No such file or directory
helium-headless-browser> [6:26:1108/184556.676164:ERROR:dbus/bus.cc:406] Failed to connect to the bus: Could not parse server address: Unknown address type (examples of valid types are "tcp" and on UNIX "unix")
helium-headless-browser> [6:26:1108/184556.676811:ERROR:dbus/bus.cc:406] Failed to connect to the bus: Failed to connect to socket /run/dbus/system_bus_socket: No such file or directory
helium-headless-browser> [6:26:1108/184556.676846:ERROR:dbus/bus.cc:406] Failed to connect to the bus: Failed to connect to socket /run/dbus/system_bus_socket: No such file or directory
helium-headless-browser> [6:26:1108/184556.676866:ERROR:dbus/bus.cc:406] Failed to connect to the bus: Failed to connect to socket /run/dbus/system_bus_socket: No such file or directory
helium-headless-browser> [6:26:1108/184556.676881:ERROR:dbus/bus.cc:406] Failed to connect to the bus: Could not parse server address: Unknown address type (examples of valid types are "tcp" and on UNIX "unix")
helium-headless-browser> [6:26:1108/184556.677433:ERROR:dbus/bus.cc:406] Failed to connect to the bus: Could not parse server address: Unknown address type (examples of valid types are "tcp" and on UNIX "unix")
helium-headless-browser> Fontconfig error: Cannot load default config file: File not found
helium-headless-browser> [6:31:1108/184556.678918:ERROR:dbus/bus.cc:406] Failed to connect to the bus: Could not parse server address: Unknown address type (examples of valid types are "tcp" and on UNIX "unix")
helium-headless-browser> [6:31:1108/184556.678933:ERROR:dbus/bus.cc:406] Failed to connect to the bus: Could not parse server address: Unknown address type (examples of valid types are "tcp" and on UNIX "unix")
helium-headless-browser> [6:31:1108/184556.678941:ERROR:dbus/bus.cc:406] Failed to connect to the bus: Could not parse server address: Unknown address type (examples of valid types are "tcp" and on UNIX "unix")
helium-headless-browser> [6:26:1108/184556.680405:ERROR:dbus/bus.cc:406] Failed to connect to the bus: Could not parse server address: Unknown address type (examples of valid types are "tcp" and on UNIX "unix")
helium-headless-browser> [6:26:1108/184556.693119:ERROR:dbus/bus.cc:406] Failed to connect to the bus: Could not parse server address: Unknown address type (examples of valid types are "tcp" and on UNIX "unix")
helium-headless-browser> 
helium-headless-browser> (process:6): GLib-GIO-CRITICAL **: 18:45:57.500: g_settings_schema_source_lookup: assertion 'source != NULL' failed
helium-headless-browser> [6:6:1108/184557.502245:ERROR:ui/gfx/platform_font_skia.cc:258] Could not find any font: , sans. Falling back to the default
helium-headless-browser> [6:6:1108/184557.502486:ERROR:ui/gfx/platform_font_skia.cc:258] Could not find any font: , sans. Falling back to the default
helium-headless-browser> [6:6:1108/184557.512310:ERROR:ui/gfx/platform_font_skia.cc:258] Could not find any font: , sans. Falling back to the default
helium-headless-browser> [6:6:1108/184557.512380:ERROR:ui/gfx/platform_font_skia.cc:258] Could not find any font: , sans. Falling back to the default
helium-headless-browser> [6:6:1108/184557.515925:ERROR:ui/gfx/platform_font_skia.cc:258] Could not find any font: , sans. Falling back to the default
helium-headless-browser> [6:6:1108/184557.533130:ERROR:dbus/object_proxy.cc:572] Failed to call method: org.freedesktop.DBus.NameHasOwner: object_path= /org/freedesktop/DBus: unknown error type: 
helium-headless-browser> [6:6:1108/184557.533201:ERROR:dbus/object_proxy.cc:572] Failed to call method: org.freedesktop.DBus.NameHasOwner: object_path= /org/freedesktop/DBus: unknown error type: 
helium-headless-browser> [6:26:1108/184557.533224:ERROR:dbus/bus.cc:406] Failed to connect to the bus: Could not parse server address: Unknown address type (examples of valid types are "tcp" and on UNIX "unix")
helium-headless-browser> [6:26:1108/184557.533237:ERROR:dbus/bus.cc:406] Failed to connect to the bus: Could not parse server address: Unknown address type (examples of valid types are "tcp" and on UNIX "unix")
helium-headless-browser> [6:6:1108/184557.533342:ERROR:dbus/object_proxy.cc:572] Failed to call method: org.freedesktop.DBus.NameHasOwner: object_path= /org/freedesktop/DBus: unknown error type: 
helium-headless-browser> [6:6:1108/184557.533786:ERROR:dbus/object_proxy.cc:572] Failed to call method: org.freedesktop.DBus.NameHasOwner: object_path= /org/freedesktop/DBus: unknown error type: 
helium-headless-browser> [6:26:1108/184557.533838:ERROR:dbus/bus.cc:406] Failed to connect to the bus: Could not parse server address: Unknown address type (examples of valid types are "tcp" and on UNIX "unix")
helium-headless-browser> [53:70:1108/184557.538715:ERROR:net/url_request/url_request.cc:677] Block URL in URLRequest: https://helium-services-are-disabled.qjz9zk/en-US-10-2.bdic
helium-headless-browser> [53:70:1108/184557.538791:ERROR:net/url_request/trk_protocol_handler.cc:17] Blocked URL in TrkProtocolHandler: trk:https://helium-services-are-disabled.qjz9zk/en-US-10-2.bdic
helium-headless-browser> [6:6:1108/184557.541621:ERROR:dbus/object_proxy.cc:572] Failed to call method: org.freedesktop.DBus.NameHasOwner: object_path= /org/freedesktop/DBus: unknown error type: 
helium-headless-browser> [6:6:1108/184557.541804:ERROR:dbus/object_proxy.cc:572] Failed to call method: org.freedesktop.DBus.NameHasOwner: object_path= /org/freedesktop/DBus: unknown error type: 
helium-headless-browser> [6:26:1108/184557.543171:ERROR:dbus/bus.cc:406] Failed to connect to the bus: Could not parse server address: Unknown address type (examples of valid types are "tcp" and on UNIX "unix")
helium-headless-browser> [6:6:1108/184557.545191:ERROR:dbus/object_proxy.cc:572] Failed to call method: org.freedesktop.DBus.NameHasOwner: object_path= /org/freedesktop/DBus: unknown error type: 
helium-headless-browser> [6:6:1108/184557.549215:ERROR:dbus/object_proxy.cc:572] Failed to call method: org.freedesktop.DBus.NameHasOwner: object_path= /org/freedesktop/DBus: unknown error type: 
helium-headless-browser> [6:26:1108/184557.549349:ERROR:dbus/bus.cc:406] Failed to connect to the bus: Could not parse server address: Unknown address type (examples of valid types are "tcp" and on UNIX "unix")
helium-headless-browser> [6:6:1108/184557.553552:ERROR:dbus/object_proxy.cc:572] Failed to call method: org.freedesktop.DBus.NameHasOwner: object_path= /org/freedesktop/DBus: unknown error type: 
helium-headless-browser> [6:26:1108/184557.554458:ERROR:dbus/bus.cc:406] Failed to connect to the bus: Could not parse server address: Unknown address type (examples of valid types are "tcp" and on UNIX "unix")
helium-headless-browser> [6:6:1108/184557.555301:ERROR:dbus/object_proxy.cc:572] Failed to call method: org.freedesktop.DBus.NameHasOwner: object_path= /org/freedesktop/DBus: unknown error type: 
helium-headless-browser> [6:6:1108/184557.613024:ERROR:ui/gfx/platform_font_skia.cc:258] Could not find any font: , sans. Falling back to the default
helium-headless-browser> [6:6:1108/184557.613254:ERROR:ui/gfx/platform_font_skia.cc:258] Could not find any font: , sans. Falling back to the default
helium-headless-browser> [6:6:1108/184557.622480:ERROR:ui/gfx/platform_font_skia.cc:258] Could not find any font: , sans. Falling back to the default
helium-headless-browser> [6:6:1108/184557.633358:ERROR:ui/gfx/platform_font_skia.cc:258] Could not find any font: , sans. Falling back to the default
helium-headless-browser> [6:6:1108/184557.654466:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 0, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.654487:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 4, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.654494:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 0, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.654499:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 4, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.654504:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.654517:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.654521:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.654524:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.654527:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 6, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.654531:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 10, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.654534:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 6, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.654537:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 10, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.657071:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,8}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 0, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.657087:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,8}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 7, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.657092:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,8}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 0, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.657096:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,8}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 7, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.657241:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 0, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.657249:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 4, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.657253:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 0, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.657257:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 4, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.657265:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.657268:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.657271:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.657274:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.657277:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 6, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.657281:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 10, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.657285:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 6, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.657290:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 10, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.692771:ERROR:ui/gfx/platform_font_skia.cc:258] Could not find any font: , sans. Falling back to the default
helium-headless-browser> [6:6:1108/184557.702495:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 0, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.702512:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 4, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.702517:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 0, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.702520:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 4, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.702523:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.702526:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.702529:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.702533:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.702536:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 6, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.702539:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 10, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.702543:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 6, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.702548:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 10, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.716125:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 0, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.716140:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 4, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.716146:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 0, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.716150:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 4, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.716153:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.716157:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.716161:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.716165:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.716169:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 6, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.716173:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 10, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.716177:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 6, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.716180:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 10, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.716232:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 0, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.716238:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 4, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.716241:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 0, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.716244:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 4, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.716248:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.716251:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.716254:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.716257:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.716260:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 6, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.716263:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 10, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.716268:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 6, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.716271:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 10, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.719274:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 0, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.719290:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 4, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.719295:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 0, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.719300:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 4, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.719303:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.719307:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.719311:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.719315:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.719319:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 6, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.719323:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 10, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.719327:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 6, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.719331:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 10, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733689:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,4}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 0, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733706:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,4}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 3, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733712:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,4}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 0, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733716:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,4}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 3, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733721:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {4,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 4, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733725:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {4,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 4, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733730:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {4,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 4, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733735:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {4,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 4, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733740:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,9}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733745:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,9}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 8, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733750:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,9}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733754:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,9}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 8, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733759:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {9,10}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 9, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733763:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {9,10}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 9, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733768:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {9,10}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 9, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733773:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {9,10}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 9, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733777:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {10,14}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 10, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733782:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {10,14}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 13, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733786:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {10,14}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 10, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733791:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {10,14}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 13, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733795:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {14,16}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 14, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733800:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {14,16}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 15, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733804:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {14,16}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 14, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733812:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {14,16}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 15, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733816:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {16,17}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 16, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733822:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {16,17}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 16, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733826:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {16,17}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 16, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733830:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {16,17}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 16, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733835:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {17,18}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 17, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733839:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {17,18}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 17, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733844:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {17,18}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 17, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733849:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {17,18}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 17, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733852:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {18,24}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 18, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733859:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {18,24}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 23, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733862:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {18,24}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 18, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733865:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {18,24}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 23, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733869:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {24,25}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 24, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733872:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {24,25}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 24, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733878:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {24,25}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 24, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733883:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {24,25}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 24, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733887:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {25,30}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 25, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733891:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {25,30}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 29, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733895:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {25,30}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 25, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733898:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {25,30}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 29, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733902:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {30,32}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 30, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733908:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {30,32}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 31, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733912:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {30,32}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 30, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733919:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {30,32}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 31, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733923:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {32,33}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 32, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733929:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {32,33}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 32, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733932:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {32,33}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 32, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733936:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {32,33}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 32, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733941:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {33,34}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 33, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733951:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {33,34}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 33, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733955:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {33,34}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 33, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.733959:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {33,34}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 33, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734062:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,4}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 0, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734069:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,4}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 3, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734075:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,4}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 0, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734079:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,4}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 3, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734082:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {4,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 4, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734086:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {4,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 4, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734090:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {4,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 4, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734094:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {4,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 4, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734098:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,9}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734102:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,9}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 8, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734106:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,9}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734110:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,9}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 8, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734114:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {9,10}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 9, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734118:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {9,10}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 9, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734122:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {9,10}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 9, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734128:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {9,10}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 9, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734133:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {10,14}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 10, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734136:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {10,14}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 13, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734139:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {10,14}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 10, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734142:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {10,14}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 13, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734145:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {14,16}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 14, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734149:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {14,16}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 15, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734152:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {14,16}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 14, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734155:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {14,16}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 15, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734158:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {16,17}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 16, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734161:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {16,17}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 16, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734183:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {16,17}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 16, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734196:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {16,17}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 16, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734201:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {17,18}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 17, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734204:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {17,18}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 17, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734207:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {17,18}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 17, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734211:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {17,18}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 17, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734214:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {18,24}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 18, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734217:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {18,24}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 23, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734220:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {18,24}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 18, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734223:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {18,24}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 23, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734226:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {24,25}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 24, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734230:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {24,25}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 24, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734233:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {24,25}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 24, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734236:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {24,25}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 24, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734240:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {25,30}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 25, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734245:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {25,30}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 29, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734250:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {25,30}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 25, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734254:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {25,30}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 29, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734257:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {30,32}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 30, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734261:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {30,32}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 31, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734264:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {30,32}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 30, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734269:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {30,32}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 31, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734272:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {32,33}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 32, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734275:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {32,33}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 32, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734278:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {32,33}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 32, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734282:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {32,33}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 32, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734285:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {33,34}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 33, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734288:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {33,34}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 33, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734291:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {33,34}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 33, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.734294:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {33,34}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 33, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.738357:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 0, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.738372:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 4, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.738378:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 0, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.738382:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {0,5}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 4, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.738385:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.738389:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.738392:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.738396:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {5,6}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 5, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.738399:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 6, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.738402:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 10, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.738405:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 6, glyph_to_char: 
helium-headless-browser> [6:6:1108/184557.738408:ERROR:ui/gfx/render_text_harfbuzz.cc:1156]  TextRunHarfBuzz error, please report at crbug.com/724880: range: {6,11}, rtl: 0, level: '', script: -1, font: '', glyph_count: 0, pos: 10, glyph_to_char: 
helium-headless-browser> <html><head></head><body><p>helium-check</p></body></html>