Dec 18 07:53:42.405 INFO checking EFulmer/rust-koans against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 07:53:42.405 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 07:53:42.895 INFO [stdout] 5afb416d816ef4d7b1eb54cb68c6d33da12c244fb5be4e94ec1de83a51c9ed87
Dec 18 07:53:42.897 INFO running `"docker" "start" "-a" "5afb416d816ef4d7b1eb54cb68c6d33da12c244fb5be4e94ec1de83a51c9ed87"`
Dec 18 07:53:44.844 INFO [stderr]     Checking rust-koans v0.1.0 (/opt/crater/workdir)
Dec 18 07:53:45.352 INFO [stderr] warning: unused import: `util::*`
Dec 18 07:53:45.352 INFO [stderr]  --> src/about_asserts.rs:1:5
Dec 18 07:53:45.352 INFO [stderr]   |
Dec 18 07:53:45.352 INFO [stderr] 1 | use util::*;
Dec 18 07:53:45.352 INFO [stderr]   |     ^^^^^^^
Dec 18 07:53:45.352 INFO [stderr]   |
Dec 18 07:53:45.352 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:53:45.352 INFO [stderr] 
Dec 18 07:53:45.472 INFO [stderr] warning: function is never used: `test_eq`
Dec 18 07:53:45.472 INFO [stderr]  --> src/util.rs:6:1
Dec 18 07:53:45.472 INFO [stderr]   |
Dec 18 07:53:45.472 INFO [stderr] 6 | pub fn test_eq<T: Any + Debug, U: Any + Debug + PartialEq>(actual: T, expected: U) 
Dec 18 07:53:45.472 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:53:45.476 INFO [stderr]   |
Dec 18 07:53:45.477 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 07:53:45.477 INFO [stderr] 
Dec 18 07:53:45.477 INFO [stderr] warning: function is never used: `test_true`
Dec 18 07:53:45.477 INFO [stderr]   --> src/util.rs:23:1
Dec 18 07:53:45.477 INFO [stderr]    |
Dec 18 07:53:45.477 INFO [stderr] 23 | pub fn test_true<T: Any + Debug + PartialEq>(v: T) {
Dec 18 07:53:45.477 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:53:45.477 INFO [stderr] 
Dec 18 07:53:45.536 INFO [stderr] warning: function is never used: `test_true`
Dec 18 07:53:45.537 INFO [stderr]   --> src/util.rs:23:1
Dec 18 07:53:45.538 INFO [stderr]    |
Dec 18 07:53:45.538 INFO [stderr] 23 | pub fn test_true<T: Any + Debug + PartialEq>(v: T) {
Dec 18 07:53:45.538 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:53:45.538 INFO [stderr]    |
Dec 18 07:53:45.538 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 07:53:45.538 INFO [stderr] 
Dec 18 07:53:45.568 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
Dec 18 07:53:46.668 INFO running `"docker" "inspect" "5afb416d816ef4d7b1eb54cb68c6d33da12c244fb5be4e94ec1de83a51c9ed87"`
Dec 18 07:53:46.956 INFO running `"docker" "rm" "-f" "5afb416d816ef4d7b1eb54cb68c6d33da12c244fb5be4e94ec1de83a51c9ed87"`
Dec 18 07:53:47.322 INFO [stdout] 5afb416d816ef4d7b1eb54cb68c6d33da12c244fb5be4e94ec1de83a51c9ed87