Dec 19 21:02:03.494 INFO checking adrianbrink/rustlings against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 21:02:03.494 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/adrianbrink/rustlings:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:02:03.944 INFO [stdout] 598a90d94c42b4653c40b84ab18a91b19435040100a4d533ae466ebfdd201233
Dec 19 21:02:03.946 INFO running `"docker" "start" "-a" "598a90d94c42b4653c40b84ab18a91b19435040100a4d533ae466ebfdd201233"`
Dec 19 21:02:05.364 INFO [stderr]     Checking rustlings v0.1.0 (/opt/crater/workdir)
Dec 19 21:02:05.945 INFO [stderr] warning: function is never used: `is_even`
Dec 19 21:02:05.945 INFO [stderr]  --> src/tests.rs:1:1
Dec 19 21:02:05.945 INFO [stderr]   |
Dec 19 21:02:05.945 INFO [stderr] 1 | fn is_even(num: i32) -> bool {
Dec 19 21:02:05.945 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:02:05.945 INFO [stderr]   |
Dec 19 21:02:05.945 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 21:02:05.945 INFO [stderr] 
Dec 19 21:02:05.945 INFO [stderr] warning: function is never used: `times_two`
Dec 19 21:02:05.945 INFO [stderr]  --> src/tests.rs:5:1
Dec 19 21:02:05.945 INFO [stderr]   |
Dec 19 21:02:05.945 INFO [stderr] 5 | fn times_two(num: i32) -> i32 {
Dec 19 21:02:05.945 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:02:05.945 INFO [stderr] 
Dec 19 21:02:06.393 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
Dec 19 21:02:07.023 INFO running `"docker" "inspect" "598a90d94c42b4653c40b84ab18a91b19435040100a4d533ae466ebfdd201233"`
Dec 19 21:02:07.256 INFO running `"docker" "rm" "-f" "598a90d94c42b4653c40b84ab18a91b19435040100a4d533ae466ebfdd201233"`
Dec 19 21:02:07.503 INFO [stdout] 598a90d94c42b4653c40b84ab18a91b19435040100a4d533ae466ebfdd201233