[INFO] updating cached repository matthiaskrgr/cargo-cache
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/matthiaskrgr/cargo-cache
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/matthiaskrgr/cargo-cache" "work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/matthiaskrgr/cargo-cache"`
[INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/matthiaskrgr/cargo-cache'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/matthiaskrgr/cargo-cache" "work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/matthiaskrgr/cargo-cache"`
[INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/matthiaskrgr/cargo-cache'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bb8e9e631478937c95bd25229d72a87631b61556
[INFO] sha for GitHub repo matthiaskrgr/cargo-cache: bb8e9e631478937c95bd25229d72a87631b61556
[INFO] validating manifest of matthiaskrgr/cargo-cache 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 matthiaskrgr/cargo-cache 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 matthiaskrgr/cargo-cache
[INFO] finished frobbing matthiaskrgr/cargo-cache
[INFO] frobbed toml for matthiaskrgr/cargo-cache written to work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/matthiaskrgr/cargo-cache/Cargo.toml
[INFO] started frobbing matthiaskrgr/cargo-cache
[INFO] finished frobbing matthiaskrgr/cargo-cache
[INFO] frobbed toml for matthiaskrgr/cargo-cache written to work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/matthiaskrgr/cargo-cache/Cargo.toml
[INFO] crate matthiaskrgr/cargo-cache has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking matthiaskrgr/cargo-cache against master#6ecad338381cc3b8d56e2df22e5971a598eddd6c for pr-57501
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57501/worker-4/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/matthiaskrgr/cargo-cache:/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" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 203469ee1090b6a4790f93339cbcb62bd79fcca18daf6e01c27b6071a95f5097
[INFO] running `"docker" "start" "-a" "203469ee1090b6a4790f93339cbcb62bd79fcca18daf6e01c27b6071a95f5097"`
[INFO] [stderr] error: failed to load source for a dependency on `rustc_tools_util`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/rust-lang/rust-clippy?rev=dec389a5eea427c4faf20327baa7f34096a4e41f#dec389a5
[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" "203469ee1090b6a4790f93339cbcb62bd79fcca18daf6e01c27b6071a95f5097"`
[INFO] running `"docker" "rm" "-f" "203469ee1090b6a4790f93339cbcb62bd79fcca18daf6e01c27b6071a95f5097"`
[INFO] [stdout] 203469ee1090b6a4790f93339cbcb62bd79fcca18daf6e01c27b6071a95f5097