Dec 18 00:31:53.039 INFO checking ethowitz/life against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 00:31:53.039 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/ethowitz/life:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 00:31:53.266 INFO [stdout] ffff645d36fffb83d72ab8a63688283c4a0f9b3c23146bb5fa2bf22fb36d0526
Dec 18 00:31:53.269 INFO running `"docker" "start" "-a" "ffff645d36fffb83d72ab8a63688283c4a0f9b3c23146bb5fa2bf22fb36d0526"`
Dec 18 00:31:53.786 INFO [stderr]     Checking life v0.1.0 (/opt/crater/workdir)
Dec 18 00:31:54.025 INFO [stderr] warning: unused variable: `x`
Dec 18 00:31:54.025 INFO [stderr]   --> src/main.rs:55:21
Dec 18 00:31:54.026 INFO [stderr]    |
Dec 18 00:31:54.026 INFO [stderr] 55 |     let gen_char = |x| if rand::random::<i64>() % 4 == 1 {ALIVE} else {' '};
Dec 18 00:31:54.026 INFO [stderr]    |                     ^ help: consider using `_x` instead
Dec 18 00:31:54.026 INFO [stderr]    |
Dec 18 00:31:54.026 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 00:31:54.026 INFO [stderr] 
Dec 18 00:31:54.070 INFO [stderr] warning: unused variable: `x`
Dec 18 00:31:54.071 INFO [stderr]   --> src/main.rs:55:21
Dec 18 00:31:54.071 INFO [stderr]    |
Dec 18 00:31:54.074 INFO [stderr] 55 |     let gen_char = |x| if rand::random::<i64>() % 4 == 1 {ALIVE} else {' '};
Dec 18 00:31:54.074 INFO [stderr]    |                     ^ help: consider using `_x` instead
Dec 18 00:31:54.074 INFO [stderr]    |
Dec 18 00:31:54.074 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 00:31:54.074 INFO [stderr] 
Dec 18 00:31:54.101 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
Dec 18 00:31:54.428 INFO running `"docker" "inspect" "ffff645d36fffb83d72ab8a63688283c4a0f9b3c23146bb5fa2bf22fb36d0526"`
Dec 18 00:31:54.586 INFO running `"docker" "rm" "-f" "ffff645d36fffb83d72ab8a63688283c4a0f9b3c23146bb5fa2bf22fb36d0526"`
Dec 18 00:31:54.687 INFO [stdout] ffff645d36fffb83d72ab8a63688283c4a0f9b3c23146bb5fa2bf22fb36d0526