Dec 05 03:27:22.308 INFO checking AnthonyBroadCrawford/rust-koans against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 03:27:22.308 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 03:27:22.772 INFO [stdout] 858e29d0331fb6a05dca2b894052af82b28b010d812729976a1258f4035fab56
Dec 05 03:27:22.774 INFO running `"docker" "start" "-a" "858e29d0331fb6a05dca2b894052af82b28b010d812729976a1258f4035fab56"`
Dec 05 03:27:24.071 INFO [stderr] usermod: no changes
Dec 05 03:27:24.123 INFO [stderr]     Checking rust-koans v0.1.0 (/source)
Dec 05 03:27:24.658 INFO [stderr] warning: function is never used: `add_two`
Dec 05 03:27:24.658 INFO [stderr]  --> tests/about_documentation.rs:8:1
Dec 05 03:27:24.658 INFO [stderr]   |
Dec 05 03:27:24.658 INFO [stderr] 8 | fn add_two(to_be_added_to: i32) -> i32{
Dec 05 03:27:24.658 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:27:24.658 INFO [stderr]   |
Dec 05 03:27:24.658 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 03:27:24.658 INFO [stderr] 
Dec 05 03:27:24.764 INFO [stderr] warning: function is never used: `add_two`
Dec 05 03:27:24.764 INFO [stderr]  --> tests/about_documentation.rs:8:1
Dec 05 03:27:24.764 INFO [stderr]   |
Dec 05 03:27:24.764 INFO [stderr] 8 | fn add_two(to_be_added_to: i32) -> i32{
Dec 05 03:27:24.764 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:27:24.764 INFO [stderr]   |
Dec 05 03:27:24.764 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 03:27:24.764 INFO [stderr] 
Dec 05 03:27:24.863 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Dec 05 03:27:24.871 INFO [stderr] su: No module specific data is present
Dec 05 03:27:25.480 INFO running `"docker" "inspect" "858e29d0331fb6a05dca2b894052af82b28b010d812729976a1258f4035fab56"`
Dec 05 03:27:25.733 INFO running `"docker" "rm" "-f" "858e29d0331fb6a05dca2b894052af82b28b010d812729976a1258f4035fab56"`
Dec 05 03:27:25.956 INFO [stdout] 858e29d0331fb6a05dca2b894052af82b28b010d812729976a1258f4035fab56