Dec 18 08:33:15.895 INFO checking AnthonyBroadCrawford/rust-koans against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 08:33:15.895 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/AnthonyBroadCrawford/rust-koans:/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 08:33:16.164 INFO [stdout] 2f0cc0ba001e9914411f654c80a7c9bb9fae26b7fbb93ddedc8df633926aa503
Dec 18 08:33:16.166 INFO running `"docker" "start" "-a" "2f0cc0ba001e9914411f654c80a7c9bb9fae26b7fbb93ddedc8df633926aa503"`
Dec 18 08:33:16.907 INFO [stderr]     Checking rust-koans v0.1.0 (/opt/crater/workdir)
Dec 18 08:33:17.104 INFO [stderr] warning: function is never used: `add_two`
Dec 18 08:33:17.104 INFO [stderr]  --> tests/about_documentation.rs:8:1
Dec 18 08:33:17.104 INFO [stderr]   |
Dec 18 08:33:17.104 INFO [stderr] 8 | fn add_two(to_be_added_to: i32) -> i32{
Dec 18 08:33:17.104 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:33:17.104 INFO [stderr]   |
Dec 18 08:33:17.104 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 08:33:17.104 INFO [stderr] 
Dec 18 08:33:17.238 INFO [stderr] warning: function is never used: `add_two`
Dec 18 08:33:17.238 INFO [stderr]  --> tests/about_documentation.rs:8:1
Dec 18 08:33:17.238 INFO [stderr]   |
Dec 18 08:33:17.238 INFO [stderr] 8 | fn add_two(to_be_added_to: i32) -> i32{
Dec 18 08:33:17.238 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:33:17.238 INFO [stderr]   |
Dec 18 08:33:17.238 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 08:33:17.238 INFO [stderr] 
Dec 18 08:33:17.266 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
Dec 18 08:33:17.607 INFO running `"docker" "inspect" "2f0cc0ba001e9914411f654c80a7c9bb9fae26b7fbb93ddedc8df633926aa503"`
Dec 18 08:33:17.686 INFO running `"docker" "rm" "-f" "2f0cc0ba001e9914411f654c80a7c9bb9fae26b7fbb93ddedc8df633926aa503"`
Dec 18 08:33:17.787 INFO [stdout] 2f0cc0ba001e9914411f654c80a7c9bb9fae26b7fbb93ddedc8df633926aa503