Dec 17 18:26:48.174 INFO checking ohira-ryoji/ruststudy against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 18:26:48.174 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/ohira-ryoji/ruststudy:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 18:26:48.710 INFO [stdout] 9f3570b883b2f8d28e7a95c07a78e0582092e331788a2ff86505ec71e043048a
Dec 17 18:26:48.712 INFO running `"docker" "start" "-a" "9f3570b883b2f8d28e7a95c07a78e0582092e331788a2ff86505ec71e043048a"`
Dec 17 18:26:51.325 INFO [stderr]     Checking study v0.1.0 (/opt/crater/workdir)
Dec 17 18:26:52.052 INFO [stderr] warning: value assigned to `y` is never read
Dec 17 18:26:52.053 INFO [stderr]  --> src/sample01.rs:4:17
Dec 17 18:26:52.053 INFO [stderr]   |
Dec 17 18:26:52.053 INFO [stderr] 4 |         let mut y = x;
Dec 17 18:26:52.054 INFO [stderr]   |                 ^
Dec 17 18:26:52.054 INFO [stderr]   |
Dec 17 18:26:52.054 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 17 18:26:52.054 INFO [stderr] 
Dec 17 18:26:52.060 INFO [stderr] warning: value assigned to `y` is never read
Dec 17 18:26:52.061 INFO [stderr]  --> src/sample01.rs:4:17
Dec 17 18:26:52.061 INFO [stderr]   |
Dec 17 18:26:52.061 INFO [stderr] 4 |         let mut y = x;
Dec 17 18:26:52.062 INFO [stderr]   |                 ^
Dec 17 18:26:52.062 INFO [stderr]   |
Dec 17 18:26:52.062 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 17 18:26:52.062 INFO [stderr] 
Dec 17 18:26:52.148 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
Dec 17 18:26:53.396 INFO running `"docker" "inspect" "9f3570b883b2f8d28e7a95c07a78e0582092e331788a2ff86505ec71e043048a"`
Dec 17 18:26:53.704 INFO running `"docker" "rm" "-f" "9f3570b883b2f8d28e7a95c07a78e0582092e331788a2ff86505ec71e043048a"`
Dec 17 18:26:54.016 INFO [stdout] 9f3570b883b2f8d28e7a95c07a78e0582092e331788a2ff86505ec71e043048a