Nov 28 13:51:51.920 INFO checking EFulmer/rust-koans against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 13:51:51.922 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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"`
Nov 28 13:51:52.391 INFO [stdout] fd7b99493d30e7985acf9d1fa6943eb1be730ade2320cad03b17f88fccd5bfb4
Nov 28 13:51:52.394 INFO running `"docker" "start" "-a" "fd7b99493d30e7985acf9d1fa6943eb1be730ade2320cad03b17f88fccd5bfb4"`
Nov 28 13:51:54.419 INFO [stderr] usermod: no changes
Nov 28 13:51:54.504 INFO [stderr]     Checking rust-koans v0.1.0 (/source)
Nov 28 13:51:55.383 INFO [stderr] warning: unused import: `util::*`
Nov 28 13:51:55.383 INFO [stderr]  --> src/about_asserts.rs:1:5
Nov 28 13:51:55.383 INFO [stderr]   |
Nov 28 13:51:55.383 INFO [stderr] 1 | use util::*;
Nov 28 13:51:55.383 INFO [stderr]   |     ^^^^^^^
Nov 28 13:51:55.396 INFO [stderr]   |
Nov 28 13:51:55.396 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 13:51:55.397 INFO [stderr] 
Nov 28 13:51:55.479 INFO [stderr] warning: function is never used: `test_eq`
Nov 28 13:51:55.479 INFO [stderr]  --> src/util.rs:6:1
Nov 28 13:51:55.480 INFO [stderr]   |
Nov 28 13:51:55.480 INFO [stderr] 6 | pub fn test_eq<T: Any + Debug, U: Any + Debug + PartialEq>(actual: T, expected: U) 
Nov 28 13:51:55.480 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 13:51:55.492 INFO [stderr]   |
Nov 28 13:51:55.492 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 13:51:55.492 INFO [stderr] 
Nov 28 13:51:55.492 INFO [stderr] warning: function is never used: `test_true`
Nov 28 13:51:55.492 INFO [stderr]   --> src/util.rs:23:1
Nov 28 13:51:55.492 INFO [stderr]    |
Nov 28 13:51:55.493 INFO [stderr] 23 | pub fn test_true<T: Any + Debug + PartialEq>(v: T) {
Nov 28 13:51:55.493 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 13:51:55.493 INFO [stderr] 
Nov 28 13:51:55.610 INFO [stderr] warning: function is never used: `test_true`
Nov 28 13:51:55.610 INFO [stderr]   --> src/util.rs:23:1
Nov 28 13:51:55.610 INFO [stderr]    |
Nov 28 13:51:55.610 INFO [stderr] 23 | pub fn test_true<T: Any + Debug + PartialEq>(v: T) {
Nov 28 13:51:55.611 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 13:51:55.611 INFO [stderr]    |
Nov 28 13:51:55.611 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 13:51:55.611 INFO [stderr] 
Nov 28 13:51:55.660 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
Nov 28 13:51:55.662 INFO [stderr] su: No module specific data is present
Nov 28 13:51:56.968 INFO running `"docker" "inspect" "fd7b99493d30e7985acf9d1fa6943eb1be730ade2320cad03b17f88fccd5bfb4"`
Nov 28 13:51:57.313 INFO running `"docker" "rm" "-f" "fd7b99493d30e7985acf9d1fa6943eb1be730ade2320cad03b17f88fccd5bfb4"`
Nov 28 13:51:57.584 INFO [stdout] fd7b99493d30e7985acf9d1fa6943eb1be730ade2320cad03b17f88fccd5bfb4