[INFO] updating cached repository yjkimjunior/rust-hangman
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yjkimjunior/rust-hangman
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yjkimjunior/rust-hangman" "work/ex/pr-60620/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/yjkimjunior/rust-hangman"`
[INFO] [stderr] Cloning into 'work/ex/pr-60620/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/yjkimjunior/rust-hangman'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  60% (648/1077)   
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Checking out files: 100% (1077/1077), done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yjkimjunior/rust-hangman" "work/ex/pr-60620/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/yjkimjunior/rust-hangman"`
[INFO] [stderr] Cloning into 'work/ex/pr-60620/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/yjkimjunior/rust-hangman'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  59% (646/1077)   
Checking out files:  60% (647/1077)   
Checking out files:  61% (657/1077)   
Checking out files:  62% (668/1077)   
Checking out files:  63% (679/1077)   
Checking out files:  64% (690/1077)   
Checking out files:  65% (701/1077)   
Checking out files:  66% (711/1077)   
Checking out files:  67% (722/1077)   
Checking out files:  68% (733/1077)   
Checking out files:  69% (744/1077)   
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Checking out files:  71% (765/1077)   
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Checking out files:  75% (808/1077)   
Checking out files:  76% (819/1077)   
Checking out files:  77% (830/1077)   
Checking out files:  78% (841/1077)   
Checking out files:  79% (851/1077)   
Checking out files:  80% (862/1077)   
Checking out files:  81% (873/1077)   
Checking out files:  82% (884/1077)   
Checking out files:  83% (894/1077)   
Checking out files:  84% (905/1077)   
Checking out files:  85% (916/1077)   
Checking out files:  86% (927/1077)   
Checking out files:  87% (937/1077)   
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Checking out files:  89% (959/1077)   
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Checking out files: 100% (1077/1077), done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 321005bf7d0c3ac72bc4a77ea4075ba91c5b2e26
[INFO] sha for GitHub repo yjkimjunior/rust-hangman: 321005bf7d0c3ac72bc4a77ea4075ba91c5b2e26
[INFO] validating manifest of yjkimjunior/rust-hangman on toolchain master#ef01f29964df207f181bd5bcf236e41372a17273
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of yjkimjunior/rust-hangman on toolchain try#a7cff45e655f886da150e206c7acbe984df4ab71
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a7cff45e655f886da150e206c7acbe984df4ab71-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing yjkimjunior/rust-hangman
[INFO] finished frobbing yjkimjunior/rust-hangman
[INFO] frobbed toml for yjkimjunior/rust-hangman written to work/ex/pr-60620/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/yjkimjunior/rust-hangman/Cargo.toml
[INFO] started frobbing yjkimjunior/rust-hangman
[INFO] finished frobbing yjkimjunior/rust-hangman
[INFO] frobbed toml for yjkimjunior/rust-hangman written to work/ex/pr-60620/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/yjkimjunior/rust-hangman/Cargo.toml
[INFO] crate yjkimjunior/rust-hangman already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a7cff45e655f886da150e206c7acbe984df4ab71-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking yjkimjunior/rust-hangman against try#a7cff45e655f886da150e206c7acbe984df4ab71 for pr-60620
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60620/worker-3/try#a7cff45e655f886da150e206c7acbe984df4ab71:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60620/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/yjkimjunior/rust-hangman:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+a7cff45e655f886da150e206c7acbe984df4ab71-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7c25c3812fe15220d425783d001ad269ae2bca2433391be7cbc3b349e67d429c
[INFO] running `"docker" "start" "-a" "7c25c3812fe15220d425783d001ad269ae2bca2433391be7cbc3b349e67d429c"`
[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" "7c25c3812fe15220d425783d001ad269ae2bca2433391be7cbc3b349e67d429c"`
[INFO] running `"docker" "rm" "-f" "7c25c3812fe15220d425783d001ad269ae2bca2433391be7cbc3b349e67d429c"`
[INFO] [stdout] 7c25c3812fe15220d425783d001ad269ae2bca2433391be7cbc3b349e67d429c