[INFO] updating cached repository guangie88/resusage_poller
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/guangie88/resusage_poller
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/guangie88/resusage_poller" "work/ex/pr-60620-1/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/guangie88/resusage_poller"`
[INFO] [stderr] Cloning into 'work/ex/pr-60620-1/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/guangie88/resusage_poller'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/guangie88/resusage_poller" "work/ex/pr-60620-1/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/guangie88/resusage_poller"`
[INFO] [stderr] Cloning into 'work/ex/pr-60620-1/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/guangie88/resusage_poller'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] df7e687468dcbfdc12353945fbd1c44486656743
[INFO] sha for GitHub repo guangie88/resusage_poller: df7e687468dcbfdc12353945fbd1c44486656743
[INFO] validating manifest of guangie88/resusage_poller on toolchain master#ef01f29964df207f181bd5bcf236e41372a17273
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of guangie88/resusage_poller on toolchain try#a7cff45e655f886da150e206c7acbe984df4ab71
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a7cff45e655f886da150e206c7acbe984df4ab71-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing guangie88/resusage_poller
[INFO] finished frobbing guangie88/resusage_poller
[INFO] frobbed toml for guangie88/resusage_poller written to work/ex/pr-60620-1/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/guangie88/resusage_poller/Cargo.toml
[INFO] started frobbing guangie88/resusage_poller
[INFO] finished frobbing guangie88/resusage_poller
[INFO] frobbed toml for guangie88/resusage_poller written to work/ex/pr-60620-1/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/guangie88/resusage_poller/Cargo.toml
[INFO] crate guangie88/resusage_poller already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/guangie88/fruently.git`
[INFO] [stderr] error: failed to load source for a dependency on `fruently`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/guangie88/fruently.git?rev=4db5ece#4db5ece8
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   revspec '4db5ece89ff7a2308d94902e8a2326151a44aa36' not found; class=Reference (4); code=NotFound (-3)
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed