Dec 18 18:41:03.539 INFO checking ai-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 18:41:03.540 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/ai/0.1.0:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 18:41:03.773 INFO [stdout] a79c2db5d130930aac71e58c125638a17aec64881c44ac536ab8061dc36f7555
Dec 18 18:41:03.776 INFO running `"docker" "start" "-a" "a79c2db5d130930aac71e58c125638a17aec64881c44ac536ab8061dc36f7555"`
Dec 18 18:41:04.732 INFO [stderr]     Checking ai v0.1.0 (/opt/crater/workdir)
Dec 18 18:41:05.541 INFO [stderr] warning: value assigned to `new_indv` is never read
Dec 18 18:41:05.541 INFO [stderr]    --> src/chromosome.rs:139:17
Dec 18 18:41:05.541 INFO [stderr]     |
Dec 18 18:41:05.541 INFO [stderr] 139 |         let mut new_indv = Vec::new();
Dec 18 18:41:05.541 INFO [stderr]     |                 ^^^^^^^^
Dec 18 18:41:05.541 INFO [stderr]     |
Dec 18 18:41:05.541 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 18 18:41:05.541 INFO [stderr] 
Dec 18 18:41:05.541 INFO [stderr] warning: value assigned to `new_indv` is never read
Dec 18 18:41:05.541 INFO [stderr]    --> src/chromosome.rs:149:17
Dec 18 18:41:05.541 INFO [stderr]     |
Dec 18 18:41:05.541 INFO [stderr] 149 |         let mut new_indv = Vec::new();
Dec 18 18:41:05.541 INFO [stderr]     |                 ^^^^^^^^
Dec 18 18:41:05.541 INFO [stderr] 
Dec 18 18:41:05.556 INFO [stderr] warning: variable does not need to be mutable
Dec 18 18:41:05.556 INFO [stderr]    --> src/chromosome.rs:103:13
Dec 18 18:41:05.556 INFO [stderr]     |
Dec 18 18:41:05.556 INFO [stderr] 103 |         let mut individual = Chromosome::new();
Dec 18 18:41:05.556 INFO [stderr]     |             ----^^^^^^^^^^
Dec 18 18:41:05.556 INFO [stderr]     |             |
Dec 18 18:41:05.556 INFO [stderr]     |             help: remove this `mut`
Dec 18 18:41:05.556 INFO [stderr]     |
Dec 18 18:41:05.556 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 18:41:05.556 INFO [stderr] 
Dec 18 18:41:05.645 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Dec 18 18:41:06.512 INFO running `"docker" "inspect" "a79c2db5d130930aac71e58c125638a17aec64881c44ac536ab8061dc36f7555"`
Dec 18 18:41:06.798 INFO running `"docker" "rm" "-f" "a79c2db5d130930aac71e58c125638a17aec64881c44ac536ab8061dc36f7555"`
Dec 18 18:41:07.112 INFO [stdout] a79c2db5d130930aac71e58c125638a17aec64881c44ac536ab8061dc36f7555