Dec 19 15:47:48.851 INFO checking ilkka/advent-of-code against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:47:48.851 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ilkka/advent-of-code:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:47:49.338 INFO [stdout] e8a9224f1f33556dc71e0e7d562f5a7908543700a6b12a49026b5f1e222e3ba6
Dec 19 15:47:49.340 INFO running `"docker" "start" "-a" "e8a9224f1f33556dc71e0e7d562f5a7908543700a6b12a49026b5f1e222e3ba6"`
Dec 19 15:47:51.092 INFO [stderr]     Checking advent v0.1.0 (/opt/crater/workdir)
Dec 19 15:47:51.684 INFO [stderr] warning: unused variable: `vec`
Dec 19 15:47:51.684 INFO [stderr]  --> src/bin/first.rs:4:9
Dec 19 15:47:51.684 INFO [stderr]   |
Dec 19 15:47:51.684 INFO [stderr] 4 |     let vec = INPUT.split("").collect::<Vec<_>>();
Dec 19 15:47:51.684 INFO [stderr]   |         ^^^ help: consider using `_vec` instead
Dec 19 15:47:51.688 INFO [stderr]   |
Dec 19 15:47:51.688 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 15:47:51.688 INFO [stderr] 
Dec 19 15:47:51.752 INFO [stderr] warning: unused variable: `vec`
Dec 19 15:47:51.752 INFO [stderr]  --> src/bin/first.rs:4:9
Dec 19 15:47:51.752 INFO [stderr]   |
Dec 19 15:47:51.752 INFO [stderr] 4 |     let vec = INPUT.split("").collect::<Vec<_>>();
Dec 19 15:47:51.752 INFO [stderr]   |         ^^^ help: consider using `_vec` instead
Dec 19 15:47:51.752 INFO [stderr]   |
Dec 19 15:47:51.753 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 15:47:51.753 INFO [stderr] 
Dec 19 15:47:51.771 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Dec 19 15:47:52.368 INFO running `"docker" "inspect" "e8a9224f1f33556dc71e0e7d562f5a7908543700a6b12a49026b5f1e222e3ba6"`
Dec 19 15:47:52.746 INFO running `"docker" "rm" "-f" "e8a9224f1f33556dc71e0e7d562f5a7908543700a6b12a49026b5f1e222e3ba6"`
Dec 19 15:47:52.992 INFO [stdout] e8a9224f1f33556dc71e0e7d562f5a7908543700a6b12a49026b5f1e222e3ba6