[INFO] updating cached repository sgrif/rust-binary-file-test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sgrif/rust-binary-file-test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sgrif/rust-binary-file-test" "work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/sgrif/rust-binary-file-test"`
[INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/sgrif/rust-binary-file-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sgrif/rust-binary-file-test" "work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/sgrif/rust-binary-file-test"`
[INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/sgrif/rust-binary-file-test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 549eae27911629751d2eb22513819c8f560c7c34
[INFO] sha for GitHub repo sgrif/rust-binary-file-test: 549eae27911629751d2eb22513819c8f560c7c34
[INFO] validating manifest of sgrif/rust-binary-file-test on toolchain master#6ecad338381cc3b8d56e2df22e5971a598eddd6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sgrif/rust-binary-file-test on toolchain try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sgrif/rust-binary-file-test
[INFO] finished frobbing sgrif/rust-binary-file-test
[INFO] frobbed toml for sgrif/rust-binary-file-test written to work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/sgrif/rust-binary-file-test/Cargo.toml
[INFO] started frobbing sgrif/rust-binary-file-test
[INFO] finished frobbing sgrif/rust-binary-file-test
[INFO] frobbed toml for sgrif/rust-binary-file-test written to work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/sgrif/rust-binary-file-test/Cargo.toml
[INFO] crate sgrif/rust-binary-file-test has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/sgrif/rust-binary-file-test/Cargo.lock needs to be updated but --locked was passed to prevent this
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed