Dec 18 03:31:09.823 INFO checking barrelll/cl against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 03:31:09.823 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/barrelll/cl:/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 03:31:10.188 INFO [stdout] 297eeff23e497947dfc6dbbabfb97fd490c14cc9d29d8eef8b8739721891ea63
Dec 18 03:31:10.194 INFO running `"docker" "start" "-a" "297eeff23e497947dfc6dbbabfb97fd490c14cc9d29d8eef8b8739721891ea63"`
Dec 18 03:31:12.203 INFO [stderr]     Checking num-integer v0.1.35
Dec 18 03:31:12.204 INFO [stderr]     Checking shared_library v0.1.6
Dec 18 03:31:12.204 INFO [stderr]     Checking num-complex v0.1.40
Dec 18 03:31:12.249 INFO [stderr]     Checking wayland-sys v0.7.8
Dec 18 03:31:13.157 INFO [stderr]     Checking num-bigint v0.1.40
Dec 18 03:31:13.157 INFO [stderr]     Checking num-iter v0.1.34
Dec 18 03:31:13.211 INFO [stderr]     Checking ash v0.15.8
Dec 18 03:31:13.480 INFO [stderr]     Checking wayland-client v0.7.8
Dec 18 03:31:15.948 INFO [stderr]     Checking wayland-kbd v0.6.3
Dec 18 03:31:15.948 INFO [stderr]     Checking wayland-window v0.4.4
Dec 18 03:31:16.882 INFO [stderr]     Checking num-rational v0.1.39
Dec 18 03:31:17.777 INFO [stderr]     Checking winit v0.5.11
Dec 18 03:31:17.777 INFO [stderr]     Checking num v0.1.39
Dec 18 03:31:21.369 INFO [stderr]     Checking learner v0.1.0 (/opt/crater/workdir)
Dec 18 03:31:21.780 INFO [stderr] warning: unused variable: `output`
Dec 18 03:31:21.780 INFO [stderr]  --> src/main.rs:9:9
Dec 18 03:31:21.780 INFO [stderr]   |
Dec 18 03:31:21.780 INFO [stderr] 9 |     let output = data.learn(2, &mut layers); // this one is Bob.
Dec 18 03:31:21.780 INFO [stderr]   |         ^^^^^^ help: consider using `_output` instead
Dec 18 03:31:21.780 INFO [stderr]   |
Dec 18 03:31:21.781 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 03:31:21.781 INFO [stderr] 
Dec 18 03:31:21.856 INFO [stderr] warning: unused variable: `output`
Dec 18 03:31:21.856 INFO [stderr]  --> src/main.rs:9:9
Dec 18 03:31:21.856 INFO [stderr]   |
Dec 18 03:31:21.856 INFO [stderr] 9 |     let output = data.learn(2, &mut layers); // this one is Bob.
Dec 18 03:31:21.856 INFO [stderr]   |         ^^^^^^ help: consider using `_output` instead
Dec 18 03:31:21.856 INFO [stderr]   |
Dec 18 03:31:21.856 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 03:31:21.856 INFO [stderr] 
Dec 18 03:31:21.948 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.01s
Dec 18 03:31:23.098 INFO running `"docker" "inspect" "297eeff23e497947dfc6dbbabfb97fd490c14cc9d29d8eef8b8739721891ea63"`
Dec 18 03:31:23.406 INFO running `"docker" "rm" "-f" "297eeff23e497947dfc6dbbabfb97fd490c14cc9d29d8eef8b8739721891ea63"`
Dec 18 03:31:23.776 INFO [stdout] 297eeff23e497947dfc6dbbabfb97fd490c14cc9d29d8eef8b8739721891ea63