Seems to be happening all the time, i.e.: https://build.chromium.org/p/tryserver.chromium.android/builders/android_n5x_swarming_dbg

https://luci-logdog.appspot.com/v/?s=chromium%2Fbb%2Ftryserver.chromium.android%2Fandroid_n5x_swarming_dbg%2F84%2F%2B%2Frecipes%2Fsteps%2Fanalyze%2F0%2Fstdout


Traceback (most recent call last):
  File "/b/c/b/android_n5x_swarming_dbg/src/tools/mb/mb.py", line 61, in Main
    ret = self.args.func()
  File "/b/c/b/android_n5x_swarming_dbg/src/tools/mb/mb.py", line 263, in CmdAnalyze
    return self.RunGNAnalyze(vals)
  File "/b/c/b/android_n5x_swarming_dbg/src/tools/mb/mb.py", line 1272, in RunGNAnalyze
    raise MBErr(err)
MBErr: target "android_tools" not found in //testing/buildbot/gn_isolate_map.pyl
target "system_webview_shell_layout_test_apk" not found in //testing/buildbot/gn_isolate_map.pyl
step returned non-zero exit code: 1