Dec 19 14:54:10.599 INFO checking jrobar/Twelve-Days-of-Christmas against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 14:54:10.599 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/jrobar/Twelve-Days-of-Christmas:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 14:54:10.781 INFO [stdout] 82c82b987854ce86e49dd6b5e6c2ad2db1ac0dd06eedb0cb23cf0420fb3471a0
Dec 19 14:54:10.783 INFO running `"docker" "start" "-a" "82c82b987854ce86e49dd6b5e6c2ad2db1ac0dd06eedb0cb23cf0420fb3471a0"`
Dec 19 14:54:11.308 INFO [stderr]     Checking twelve_days_of_christmas v0.1.0 (/opt/crater/workdir)
Dec 19 14:54:11.516 INFO [stderr] warning: variable does not need to be mutable
Dec 19 14:54:11.516 INFO [stderr]  --> src/main.rs:6:9
Dec 19 14:54:11.516 INFO [stderr]   |
Dec 19 14:54:11.516 INFO [stderr] 6 |     let mut n = 11;
Dec 19 14:54:11.516 INFO [stderr]   |         ----^
Dec 19 14:54:11.516 INFO [stderr]   |         |
Dec 19 14:54:11.516 INFO [stderr]   |         help: remove this `mut`
Dec 19 14:54:11.516 INFO [stderr]   |
Dec 19 14:54:11.516 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 19 14:54:11.516 INFO [stderr] 
Dec 19 14:54:11.516 INFO [stderr] warning: variable does not need to be mutable
Dec 19 14:54:11.516 INFO [stderr]  --> src/main.rs:6:9
Dec 19 14:54:11.516 INFO [stderr]   |
Dec 19 14:54:11.516 INFO [stderr] 6 |     let mut n = 11;
Dec 19 14:54:11.516 INFO [stderr]   |         ----^
Dec 19 14:54:11.516 INFO [stderr]   |         |
Dec 19 14:54:11.516 INFO [stderr]   |         help: remove this `mut`
Dec 19 14:54:11.516 INFO [stderr]   |
Dec 19 14:54:11.516 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 19 14:54:11.516 INFO [stderr] 
Dec 19 14:54:11.536 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
Dec 19 14:54:11.886 INFO running `"docker" "inspect" "82c82b987854ce86e49dd6b5e6c2ad2db1ac0dd06eedb0cb23cf0420fb3471a0"`
Dec 19 14:54:11.965 INFO running `"docker" "rm" "-f" "82c82b987854ce86e49dd6b5e6c2ad2db1ac0dd06eedb0cb23cf0420fb3471a0"`
Dec 19 14:54:12.052 INFO [stdout] 82c82b987854ce86e49dd6b5e6c2ad2db1ac0dd06eedb0cb23cf0420fb3471a0