Dec 18 07:53:47.417 INFO checking EFulmer/rust-koans against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 07:53:47.417 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/EFulmer/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 07:53:47.832 INFO [stdout] d1791a7b0a6123a8dbf39b8986ccc594ae62acdb66a58625608bd5806d6c61e2
Dec 18 07:53:47.834 INFO running `"docker" "start" "-a" "d1791a7b0a6123a8dbf39b8986ccc594ae62acdb66a58625608bd5806d6c61e2"`
Dec 18 07:53:49.316 INFO [stderr]     Checking rust-koans v0.1.0 (/opt/crater/workdir)
Dec 18 07:53:49.560 INFO [stderr] warning: unused import: `util::*`
Dec 18 07:53:49.560 INFO [stderr]  --> src/about_asserts.rs:1:5
Dec 18 07:53:49.560 INFO [stderr]   |
Dec 18 07:53:49.560 INFO [stderr] 1 | use util::*;
Dec 18 07:53:49.560 INFO [stderr]   |     ^^^^^^^
Dec 18 07:53:49.560 INFO [stderr]   |
Dec 18 07:53:49.560 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:53:49.560 INFO [stderr] 
Dec 18 07:53:49.632 INFO [stderr] warning: function is never used: `test_eq`
Dec 18 07:53:49.632 INFO [stderr]  --> src/util.rs:6:1
Dec 18 07:53:49.632 INFO [stderr]   |
Dec 18 07:53:49.632 INFO [stderr] 6 | pub fn test_eq<T: Any + Debug, U: Any + Debug + PartialEq>(actual: T, expected: U) 
Dec 18 07:53:49.632 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:53:49.632 INFO [stderr]   |
Dec 18 07:53:49.632 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 07:53:49.632 INFO [stderr] 
Dec 18 07:53:49.632 INFO [stderr] warning: function is never used: `test_true`
Dec 18 07:53:49.632 INFO [stderr]   --> src/util.rs:23:1
Dec 18 07:53:49.632 INFO [stderr]    |
Dec 18 07:53:49.632 INFO [stderr] 23 | pub fn test_true<T: Any + Debug + PartialEq>(v: T) {
Dec 18 07:53:49.632 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:53:49.632 INFO [stderr] 
Dec 18 07:53:49.707 INFO [stderr] warning: function is never used: `test_true`
Dec 18 07:53:49.707 INFO [stderr]   --> src/util.rs:23:1
Dec 18 07:53:49.707 INFO [stderr]    |
Dec 18 07:53:49.707 INFO [stderr] 23 | pub fn test_true<T: Any + Debug + PartialEq>(v: T) {
Dec 18 07:53:49.707 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:53:49.707 INFO [stderr]    |
Dec 18 07:53:49.707 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 07:53:49.707 INFO [stderr] 
Dec 18 07:53:49.741 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
Dec 18 07:53:50.283 INFO running `"docker" "inspect" "d1791a7b0a6123a8dbf39b8986ccc594ae62acdb66a58625608bd5806d6c61e2"`
Dec 18 07:53:50.492 INFO running `"docker" "rm" "-f" "d1791a7b0a6123a8dbf39b8986ccc594ae62acdb66a58625608bd5806d6c61e2"`
Dec 18 07:53:50.670 INFO [stdout] d1791a7b0a6123a8dbf39b8986ccc594ae62acdb66a58625608bd5806d6c61e2