[INFO] updating cached repository mockersf/my-slack-resource
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mockersf/my-slack-resource
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mockersf/my-slack-resource" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/mockersf/my-slack-resource"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/mockersf/my-slack-resource'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mockersf/my-slack-resource" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/mockersf/my-slack-resource"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/mockersf/my-slack-resource'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d23f54f8c028e112008fdeaf1fd88ab5226cf815
[INFO] sha for GitHub repo mockersf/my-slack-resource: d23f54f8c028e112008fdeaf1fd88ab5226cf815
[INFO] validating manifest of mockersf/my-slack-resource on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mockersf/my-slack-resource on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mockersf/my-slack-resource
[INFO] finished frobbing mockersf/my-slack-resource
[INFO] frobbed toml for mockersf/my-slack-resource written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/mockersf/my-slack-resource/Cargo.toml
[INFO] started frobbing mockersf/my-slack-resource
[INFO] finished frobbing mockersf/my-slack-resource
[INFO] frobbed toml for mockersf/my-slack-resource written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/mockersf/my-slack-resource/Cargo.toml
[INFO] crate mockersf/my-slack-resource already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mockersf/my-slack-resource against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-3/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/mockersf/my-slack-resource:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 889a65446f346163a9eee00b3dd0dcc83235a4b2627d4fe588a485312fe23836
[INFO] running `"docker" "start" "-a" "889a65446f346163a9eee00b3dd0dcc83235a4b2627d4fe588a485312fe23836"`
[INFO] [stderr] error: failed to load source for a dependency on `slack_push`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/mockersf/slack-push#69e80899
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to open: /opt/crater/cargo-home/git/.cargo-lock-git
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `"docker" "inspect" "889a65446f346163a9eee00b3dd0dcc83235a4b2627d4fe588a485312fe23836"`
[INFO] running `"docker" "rm" "-f" "889a65446f346163a9eee00b3dd0dcc83235a4b2627d4fe588a485312fe23836"`
[INFO] [stdout] 889a65446f346163a9eee00b3dd0dcc83235a4b2627d4fe588a485312fe23836