Dec 05 16:53:59.939 INFO checking ai-0.1.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 16:53:59.939 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 16:54:00.315 INFO [stdout] 5246c36a4e3294f771452304b2b38a5e468e887e5e12aecb097fda5b6308e7c3
Dec 05 16:54:00.323 INFO running `"docker" "start" "-a" "5246c36a4e3294f771452304b2b38a5e468e887e5e12aecb097fda5b6308e7c3"`
Dec 05 16:54:01.591 INFO [stderr] usermod: no changes
Dec 05 16:54:01.648 INFO [stderr]     Checking ai v0.1.0 (/source)
Dec 05 16:54:02.751 INFO [stderr] warning: value assigned to `new_indv` is never read
Dec 05 16:54:02.751 INFO [stderr]    --> src/chromosome.rs:139:17
Dec 05 16:54:02.751 INFO [stderr]     |
Dec 05 16:54:02.751 INFO [stderr] 139 |         let mut new_indv = Vec::new();
Dec 05 16:54:02.751 INFO [stderr]     |                 ^^^^^^^^
Dec 05 16:54:02.751 INFO [stderr]     |
Dec 05 16:54:02.751 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 05 16:54:02.751 INFO [stderr] 
Dec 05 16:54:02.751 INFO [stderr] warning: value assigned to `new_indv` is never read
Dec 05 16:54:02.751 INFO [stderr]    --> src/chromosome.rs:149:17
Dec 05 16:54:02.751 INFO [stderr]     |
Dec 05 16:54:02.751 INFO [stderr] 149 |         let mut new_indv = Vec::new();
Dec 05 16:54:02.751 INFO [stderr]     |                 ^^^^^^^^
Dec 05 16:54:02.751 INFO [stderr] 
Dec 05 16:54:02.789 INFO [stderr] warning: variable does not need to be mutable
Dec 05 16:54:02.789 INFO [stderr]    --> src/chromosome.rs:103:13
Dec 05 16:54:02.790 INFO [stderr]     |
Dec 05 16:54:02.790 INFO [stderr] 103 |         let mut individual = Chromosome::new();
Dec 05 16:54:02.790 INFO [stderr]     |             ----^^^^^^^^^^
Dec 05 16:54:02.790 INFO [stderr]     |             |
Dec 05 16:54:02.790 INFO [stderr]     |             help: remove this `mut`
Dec 05 16:54:02.790 INFO [stderr]     |
Dec 05 16:54:02.790 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 16:54:02.790 INFO [stderr] 
Dec 05 16:54:02.851 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
Dec 05 16:54:02.859 INFO [stderr] su: No module specific data is present
Dec 05 16:54:03.411 INFO running `"docker" "inspect" "5246c36a4e3294f771452304b2b38a5e468e887e5e12aecb097fda5b6308e7c3"`
Dec 05 16:54:03.755 INFO running `"docker" "rm" "-f" "5246c36a4e3294f771452304b2b38a5e468e887e5e12aecb097fda5b6308e7c3"`
Dec 05 16:54:04.073 INFO [stdout] 5246c36a4e3294f771452304b2b38a5e468e887e5e12aecb097fda5b6308e7c3