Dec 08 00:15:51.518 INFO testing ai-0.1.0 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 08 00:15:51.518 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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 08 00:15:52.046 INFO [stdout] b9f42f65f09b200e0bd07b6530afd692b2a77e60c51168ce1b1bebf5a8a38553
Dec 08 00:15:52.048 INFO running `"docker" "start" "-a" "b9f42f65f09b200e0bd07b6530afd692b2a77e60c51168ce1b1bebf5a8a38553"`
Dec 08 00:15:53.979 INFO [stderr] usermod: no changes
Dec 08 00:15:54.076 INFO [stderr]    Compiling ai v0.1.0 (/source)
Dec 08 00:15:55.316 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
Dec 08 00:15:55.320 INFO [stderr] su: No module specific data is present
Dec 08 00:15:56.076 INFO running `"docker" "inspect" "b9f42f65f09b200e0bd07b6530afd692b2a77e60c51168ce1b1bebf5a8a38553"`
Dec 08 00:15:56.486 INFO running `"docker" "rm" "-f" "b9f42f65f09b200e0bd07b6530afd692b2a77e60c51168ce1b1bebf5a8a38553"`
Dec 08 00:15:56.872 INFO [stdout] b9f42f65f09b200e0bd07b6530afd692b2a77e60c51168ce1b1bebf5a8a38553
Dec 08 00:15:56.880 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-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 08 00:15:57.317 INFO [stdout] 787f7e9fba7e381b961535ab747af2653381cc4744e794c189dc91c9a86fb1e4
Dec 08 00:15:57.319 INFO running `"docker" "start" "-a" "787f7e9fba7e381b961535ab747af2653381cc4744e794c189dc91c9a86fb1e4"`
Dec 08 00:15:58.735 INFO [stderr] usermod: no changes
Dec 08 00:15:58.796 INFO [stderr]    Compiling ai v0.1.0 (/source)
Dec 08 00:15:59.788 INFO [stderr] warning: value assigned to `new_indv` is never read
Dec 08 00:15:59.788 INFO [stderr]    --> src/chromosome.rs:139:17
Dec 08 00:15:59.788 INFO [stderr]     |
Dec 08 00:15:59.788 INFO [stderr] 139 |         let mut new_indv = Vec::new();
Dec 08 00:15:59.788 INFO [stderr]     |                 ^^^^^^^^
Dec 08 00:15:59.788 INFO [stderr]     |
Dec 08 00:15:59.788 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 08 00:15:59.788 INFO [stderr] 
Dec 08 00:15:59.788 INFO [stderr] warning: value assigned to `new_indv` is never read
Dec 08 00:15:59.788 INFO [stderr]    --> src/chromosome.rs:149:17
Dec 08 00:15:59.788 INFO [stderr]     |
Dec 08 00:15:59.788 INFO [stderr] 149 |         let mut new_indv = Vec::new();
Dec 08 00:15:59.788 INFO [stderr]     |                 ^^^^^^^^
Dec 08 00:15:59.788 INFO [stderr] 
Dec 08 00:15:59.798 INFO [stderr] warning: variable does not need to be mutable
Dec 08 00:15:59.798 INFO [stderr]    --> src/chromosome.rs:103:13
Dec 08 00:15:59.798 INFO [stderr]     |
Dec 08 00:15:59.798 INFO [stderr] 103 |         let mut individual = Chromosome::new();
Dec 08 00:15:59.798 INFO [stderr]     |             ----^^^^^^^^^^
Dec 08 00:15:59.799 INFO [stderr]     |             |
Dec 08 00:15:59.799 INFO [stderr]     |             help: remove this `mut`
Dec 08 00:15:59.799 INFO [stderr]     |
Dec 08 00:15:59.799 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 08 00:15:59.808 INFO [stderr] 
Dec 08 00:16:00.792 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
Dec 08 00:16:00.808 INFO [stderr] su: No module specific data is present
Dec 08 00:16:01.546 INFO running `"docker" "inspect" "787f7e9fba7e381b961535ab747af2653381cc4744e794c189dc91c9a86fb1e4"`
Dec 08 00:16:01.949 INFO running `"docker" "rm" "-f" "787f7e9fba7e381b961535ab747af2653381cc4744e794c189dc91c9a86fb1e4"`
Dec 08 00:16:02.228 INFO [stdout] 787f7e9fba7e381b961535ab747af2653381cc4744e794c189dc91c9a86fb1e4