macOS and iOS builds intermittently timing out with no output when building ImageDiff https://build.webkit.org/builders/Apple%20iOS%2010%20Simulator%20Debug%20%28Build%29/builds/2819 https://build.webkit.org/builders/Apple%20iOS%2010%20Simulator%20Debug%20%28Build%29/builds/2824 https://build.webkit.org/builders/Apple%20Sierra%20Release%20(Build)/builds/2910 Output just before the timeout: === BUILD TARGET ImageDiff OF PROJECT ImageDiff WITH CONFIGURATION Release === Check dependencies command timed out: 1200 seconds without output running ['perl', './Tools/Scripts/build-webkit', '--release', 'ARCHS=x86_64', 'DEBUG_INFORMATION_FORMAT=dwarf-with-dsym'], attempting to kill
<rdar://problem/32876274>
This is still happening: https://build.webkit.org/builders/Apple%20iOS%2010%20Simulator%20Release%20%28Build%29/builds/3937
This is going to be deferred until the investigation for <https://bugs.webkit.org/show_bug.cgi?id=175074> is completed, ImageDiff will likely no longer be built once this bug is completed.
Issue is still occurring. Most recent occurrence was with r233324 Debug on Sierra. build log: https://build.webkit.org/builders/Apple%20Sierra%20Debug%20%28Build%29/builds/11644/steps/compile-webkit/logs/stdio