[INFO] updating cached repository PenetratingShot/readrust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PenetratingShot/readrust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PenetratingShot/readrust" "work/ex/pr-60620-1/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/PenetratingShot/readrust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60620-1/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/PenetratingShot/readrust'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  36% (624/1697)   
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Checking out files: 100% (1697/1697), done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PenetratingShot/readrust" "work/ex/pr-60620-1/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/PenetratingShot/readrust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60620-1/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/PenetratingShot/readrust'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  37% (641/1697)   
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Checking out files: 100% (1697/1697), done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e0128a8ccabce519ef83645b335243378a72e7fc
[INFO] sha for GitHub repo PenetratingShot/readrust: e0128a8ccabce519ef83645b335243378a72e7fc
[INFO] validating manifest of PenetratingShot/readrust 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 PenetratingShot/readrust 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 PenetratingShot/readrust
[INFO] finished frobbing PenetratingShot/readrust
[INFO] frobbed toml for PenetratingShot/readrust written to work/ex/pr-60620-1/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/PenetratingShot/readrust/Cargo.toml
[INFO] started frobbing PenetratingShot/readrust
[INFO] finished frobbing PenetratingShot/readrust
[INFO] frobbed toml for PenetratingShot/readrust written to work/ex/pr-60620-1/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/PenetratingShot/readrust/Cargo.toml
[INFO] crate PenetratingShot/readrust 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] error: the lock file /mnt/big/crater/work/ex/pr-60620-1/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/PenetratingShot/readrust/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a7cff45e655f886da150e206c7acbe984df4ab71-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a7cff45e655f886da150e206c7acbe984df4ab71-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking PenetratingShot/readrust against master#ef01f29964df207f181bd5bcf236e41372a17273 for pr-60620-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60620-1/worker-3/master#ef01f29964df207f181bd5bcf236e41372a17273:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60620-1/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/PenetratingShot/readrust:/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" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 779251e555a8194a033379fca419a067be549d7b1887094219aa43019a7eb9d6
[INFO] running `"docker" "start" "-a" "779251e555a8194a033379fca419a067be549d7b1887094219aa43019a7eb9d6"`
[INFO] [stderr] error: failed to acquire package cache lock
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to open: /opt/crater/cargo-home/.package-cache
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `"docker" "inspect" "779251e555a8194a033379fca419a067be549d7b1887094219aa43019a7eb9d6"`
[INFO] running `"docker" "rm" "-f" "779251e555a8194a033379fca419a067be549d7b1887094219aa43019a7eb9d6"`
[INFO] [stdout] 779251e555a8194a033379fca419a067be549d7b1887094219aa43019a7eb9d6