https://uberchromegw.corp.google.com/i/chromeos/builders/edgar-paladin/builds/757

Started chromeos-base/crash-reporter-0.0.1-r2313 (logged in /tmp/crash-reporter-0.0.1-r2313-_viWiO)
Completed chromeos-base/crash-reporter-0.0.1-r2313 (in 0m19.6s)
Pending 0/54, [Time 09:14:55 | Elapsed 11m4.7s | Load 2.84 26.46 28.03]
WARNING: The following packages failed once or more,
but succeeded upon retry. This might indicate incorrect
dependencies.
  chromeos-base/crash-reporter-0.0.1-r2313
Merge complete
Done
09:14:56: INFO: RunCommand: ./build_library/test_au_zip.py -o /b/c/cbuild/repository/src/build/images/edgar/latest-cbuildbot in /b/c/cbuild/repository/src/scripts
2017/09/13 09:14:56 - test_au_zip.py - INFO    : SUCCESS for: /b/c/cbuild/repository/src/build/images/edgar/latest-cbuildbot/au-generator.zip
09:14:56: INFO: Running cidb query on pid 27538, repr(query) starts with <sqlalchemy.sql.expression.Update object at 0x7f7148bf75d0>
************************************************************

To be more specific:
Still building chaps-0.0.1-r2242 (11m14.7s). Logs in /tmp/chaps-0.0.1-r2242-2AxulW
11:17:20: INFO: Refreshing due to a 401 (attempt 1/2)
11:17:20: INFO: Refreshing access_token
Pending 0/54, Building 2/2, [Time 11:17:28 | Elapsed 12m21.7s | Load 4.42 33.06 35.72]
Completed chromeos-base/autotest-0.0.2-r8609 (in 8m31.3s)
Pending 0/54, Building 1/1, [Time 11:18:24 | Elapsed 13m18.0s | Load 2.79 27.79 33.77]
Still building chaps-0.0.1-r2242 (14m11.2s). Logs in /tmp/chaps-0.0.1-r2242-2AxulW
Pending 0/54, Building 1/1, [Time 11:20:24 | Elapsed 15m18.2s | Load 1.24 18.92 29.8]
11:20:48: INFO: Refreshing due to a 401 (attempt 1/2)
11:20:48: INFO: Refreshing access_token
Still building chaps-0.0.1-r2242 (16m11.3s). Logs in /tmp/chaps-0.0.1-r2242-2AxulW
Pending 0/54, Building 1/1, [Time 11:22:24 | Elapsed 17m18.3s | Load 1.07 13.01 26.31]
Still building chaps-0.0.1-r2242 (18m11.4s). Logs in /tmp/chaps-0.0.1-r2242-2AxulW
11:23:34: INFO: Refreshing due to a 401 (attempt 1/2)
11:23:34: INFO: Refreshing access_token
Pending 0/54, Building 1/1, [Time 11:24:24 | Elapsed 19m18.4s | Load 1.01 9.04 23.24]
Still building chaps-0.0.1-r2242 (20m11.5s). Logs in /tmp/chaps-0.0.1-r2242-2AxulW
Pending 0/54, Building 1/1, [Time 11:26:25 | Elapsed 21m18.5s | Load 1.0 6.38 20.55]
Still building chaps-0.0.1-r2242 (22m11.7s). Logs in /tmp/chaps-0.0.1-r2242-2AxulW
Pending 0/54, Building 1/1, [Time 11:28:25 | Elapsed 23m18.6s | Load 1.06 4.62 18.19]
Still building chaps-0.0.1-r2242 (24m11.8s). Logs in /tmp/chaps-0.0.1-r2242-2AxulW
Pending 0/54, Building 1/1, [Time 11:30:25 | Elapsed 25m18.7s | Load 1.05 3.45 16.11]
Still building chaps-0.0.1-r2242 (26m11.9s). Logs in /tmp/chaps-0.0.1-r2242-2AxulW
Pending 0/54, Building 1/1, [Time 11:32:25 | Elapsed 27m18.9s | Load 1.01 2.64 14.28]
Still building chaps-0.0.1-r2242 (28m12.0s). Logs in /tmp/chaps-0.0.1-r2242-2AxulW
Pending 0/54, Building 1/1, [Time 11:34:25 | Elapsed 29m19.0s | Load 1.0 2.1 12.67]
Still building chaps-0.0.1-r2242 (30m12.1s). Logs in /tmp/chaps-0.0.1-r2242-2AxulW
Pending 0/54, Building 1/1, [Time 11:36:25 | Elapsed 31m19.1s | Load 0.72 1.67 11.23]
Still building chaps-0.0.1-r2242 (32m12.3s). Logs in /tmp/chaps-0.0.1-r2242-2AxulW
Pending 0/54, Building 1/1, [Time 11:38:25 | Elapsed 33m19.2s | Load 0.12 1.14 9.88]
Still building chaps-0.0.1-r2242 (34m12.4s). Logs in /tmp/chaps-0.0.1-r2242-2AxulW
Pending 0/54, Building 1/1, [Time 11:40:25 | Elapsed 35m19.3s | Load 0.02 0.76 8.68]
Still building chaps-0.0.1-r2242 (36m12.5s). Logs in /tmp/chaps-0.0.1-r2242-2AxulW
Pending 0/54, Building 1/1, [Time 11:42:25 | Elapsed 37m19.5s | Load 0.0 0.51 7.63]
Still building chaps-0.0.1-r2242 (38m12.6s). Logs in /tmp/chaps-0.0.1-r2242-2AxulW
Pending 0/54, Building 1/1, [Time 11:44:26 | Elapsed 39m19.6s | Load 0.0 0.34 6.7]
Still building chaps-0.0.1-r2242 (40m12.7s). Logs in /tmp/chaps-0.0.1-r2242-2AxulW
Pending 0/54, Building 1/1, [Time 11:46:26 | Elapsed 41m19.7s | Load 0.0 0.23 5.89]
Still building chaps-0.0.1-r2242 (42m12.9s). Logs in /tmp/chaps-0.0.1-r2242-2AxulW
Pending 0/54, Building 1/1, [Time 11:48:26 | Elapsed 43m19.8s | Load 0.02 0.17 5.18]
Still building chaps-0.0.1-r2242 (44m13.0s). Logs in /tmp/chaps-0.0.1-r2242-2AxulW
Pending 0/54, Building 1/1, [Time 11:50:26 | Elapsed 45m19.9s | Load 0.03 0.12 4.56]
Still building chaps-0.0.1-r2242 (46m13.1s). Logs in /tmp/chaps-0.0.1-r2242-2AxulW
Pending 0/54, Building 1/1, [Time 11:52:26 | Elapsed 47m20.1s | Load 0.0 0.08 4.01]
Still building chaps-0.0.1-r2242 (48m13.2s). Logs in /tmp/chaps-0.0.1-r2242-2AxulW
Pending 0/54, Building 1/1, [Time 11:54:26 | Elapsed 49m20.2s | Load 0.0 0.06 3.52]
Still building chaps-0.0.1-r2242 (50m13.3s). Logs in /tmp/chaps-0.0.1-r2242-2AxulW
Pending 0/54, Building 1/1, [Time 11:56:26 | Elapsed 51m20.3s | Load 0.0 0.04 3.09]
Still building chaps-0.0.1-r2242 (52m13.5s). Logs in /tmp/chaps-0.0.1-r2242-2AxulW
Pending 0/54, Building 1/1, [Time 11:58:26 | Elapsed 53m20.4s | Load 0.0 0.03 2.72]
Still building chaps-0.0.1-r2242 (54m13.6s). Logs in /tmp/chaps-0.0.1-r2242-2AxulW
Pending 0/54, Building 1/1, [Time 12:00:27 | Elapsed 55m20.6s | Load 0.04 0.04 2.4]
Still building chaps-0.0.1-r2242 (56m13.7s). Logs in /tmp/chaps-0.0.1-r2242-2AxulW
Pending 0/54, Building 1/1, [Time 12:02:27 | Elapsed 57m20.7s | Load 0.0 0.03 2.11]
Still building chaps-0.0.1-r2242 (58m13.8s). Logs in /tmp/chaps-0.0.1-r2242-2AxulW
Pending 0/54, Building 1/1, [Time 12:04:27 | Elapsed 59m20.8s | Load 0.0 0.02 1.85]

The package chaps-0.0.1-r2242 took more than 50 mins to be built. Compared to a previous green run, this package only took about 10 seconds

Still building chaps-0.0.1-r2242 (2m25.6s). Logs in /tmp/chaps-0.0.1-r2242-9IRo8I
Started chromeos-base/bootstat-0.0.2-r2386 (logged in /tmp/bootstat-0.0.2-r2386-KE_5H3)
Completed chromeos-base/chromeos-login-0.0.2-r3136 (in 1m3.3s)
Pending 34/54, Building 10/44, [Time 09:06:23 | Elapsed 2m32.8s | Load 103.11 58.14 28.66]
Started chromeos-base/chromeos-installer-0.0.1-r2680 (logged in /tmp/chromeos-installer-0.0.1-r2680-csZc4G)
Completed chromeos-base/chromeos-trim-0.0.1-r933 (in 0m47.7s)
Pending 33/54, Building 10/43, [Time 09:06:23 | Elapsed 2m32.8s | Load 103.11 58.14 28.66]
Completed chromeos-base/vpn-manager-0.0.1-r2053 (in 0m49.7s)
Pending 32/54, Building 10/42, [Time 09:06:23 | Elapsed 2m32.8s | Load 103.11 58.14 28.66]
Started chromeos-base/libcontainer-0.0.1-r831 (logged in /tmp/libcontainer-0.0.1-r831-LmcqYQ)
Started chromeos-base/run_oci-0.0.1-r341 (logged in /tmp/run_oci-0.0.1-r341-I15eYd)
Completed chromeos-base/google-breakpad-2017.08.14.094951-r120 (in 2m26.1s)
Pending 31/54, Building 10/41, [Time 09:06:23 | Elapsed 2m32.9s | Load 103.11 58.14 28.66]
Completed chromeos-base/authpolicy-0.0.1-r638 (in 1m35.3s)
Pending 30/54, Building 10/40, [Time 09:06:23 | Elapsed 2m32.9s | Load 103.11 58.14 28.66]
Completed chromeos-base/chaps-0.0.1-r2242 (in 2m26.3s)

There is no suspicious CL in this patch. I guess it is just build flake?