[INFO] updating cached repository rookie1024/Alas
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rookie1024/Alas
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rookie1024/Alas" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/rookie1024/Alas"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/rookie1024/Alas'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rookie1024/Alas" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/rookie1024/Alas"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/rookie1024/Alas'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 60bfe1d0d21461f8180c8a43b8fcfb6cd3e056db
[INFO] sha for GitHub repo rookie1024/Alas: 60bfe1d0d21461f8180c8a43b8fcfb6cd3e056db
[INFO] validating manifest of rookie1024/Alas on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rookie1024/Alas on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rookie1024/Alas
[INFO] finished frobbing rookie1024/Alas
[INFO] frobbed toml for rookie1024/Alas written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/rookie1024/Alas/Cargo.toml
[INFO] started frobbing rookie1024/Alas
[INFO] finished frobbing rookie1024/Alas
[INFO] frobbed toml for rookie1024/Alas written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/rookie1024/Alas/Cargo.toml
[INFO] crate rookie1024/Alas already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rookie1024/Alas against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/rookie1024/Alas:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 26cd74d8dfb879166952a6802df108a18de2b981e27d74b2f649e0838e09c9fe
[INFO] running `"docker" "start" "-a" "26cd74d8dfb879166952a6802df108a18de2b981e27d74b2f649e0838e09c9fe"`
[INFO] [stderr]     Checking alas v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `start`
[INFO] [stderr]   --> src/reg/dfa.rs:14:3
[INFO] [stderr]    |
[INFO] [stderr] 14 |   start: S,
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `start`
[INFO] [stderr]   --> src/reg/dfa.rs:14:3
[INFO] [stderr]    |
[INFO] [stderr] 14 |   start: S,
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "26cd74d8dfb879166952a6802df108a18de2b981e27d74b2f649e0838e09c9fe"`
[INFO] running `"docker" "rm" "-f" "26cd74d8dfb879166952a6802df108a18de2b981e27d74b2f649e0838e09c9fe"`
[INFO] [stdout] 26cd74d8dfb879166952a6802df108a18de2b981e27d74b2f649e0838e09c9fe