Dec 12 03:05:59.285 INFO checking EFulmer/rust-koans against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 03:05:59.285 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 03:05:59.828 INFO [stdout] 5f19f917d31e4eeaeb7f8d55adabddbe0b0594414fbc50d4aa2739abddda6c68
Dec 12 03:05:59.836 INFO running `"docker" "start" "-a" "5f19f917d31e4eeaeb7f8d55adabddbe0b0594414fbc50d4aa2739abddda6c68"`
Dec 12 03:06:01.180 INFO [stderr] usermod: no changes
Dec 12 03:06:01.248 INFO [stderr]     Checking rust-koans v0.1.0 (/source)
Dec 12 03:06:01.884 INFO [stderr] warning: unused import: `util::*`
Dec 12 03:06:01.884 INFO [stderr]  --> src/about_asserts.rs:1:5
Dec 12 03:06:01.884 INFO [stderr]   |
Dec 12 03:06:01.884 INFO [stderr] 1 | use util::*;
Dec 12 03:06:01.884 INFO [stderr]   |     ^^^^^^^
Dec 12 03:06:01.884 INFO [stderr]   |
Dec 12 03:06:01.884 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 03:06:01.884 INFO [stderr] 
Dec 12 03:06:01.927 INFO [stderr] warning: function is never used: `test_eq`
Dec 12 03:06:01.927 INFO [stderr]  --> src/util.rs:6:1
Dec 12 03:06:01.927 INFO [stderr]   |
Dec 12 03:06:01.927 INFO [stderr] 6 | pub fn test_eq<T: Any + Debug, U: Any + Debug + PartialEq>(actual: T, expected: U) 
Dec 12 03:06:01.927 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:06:01.927 INFO [stderr]   |
Dec 12 03:06:01.927 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 03:06:01.927 INFO [stderr] 
Dec 12 03:06:01.931 INFO [stderr] warning: function is never used: `test_true`
Dec 12 03:06:01.931 INFO [stderr]   --> src/util.rs:23:1
Dec 12 03:06:01.931 INFO [stderr]    |
Dec 12 03:06:01.931 INFO [stderr] 23 | pub fn test_true<T: Any + Debug + PartialEq>(v: T) {
Dec 12 03:06:01.931 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:06:01.931 INFO [stderr] 
Dec 12 03:06:01.980 INFO [stderr] warning: function is never used: `test_true`
Dec 12 03:06:01.980 INFO [stderr]   --> src/util.rs:23:1
Dec 12 03:06:01.980 INFO [stderr]    |
Dec 12 03:06:01.980 INFO [stderr] 23 | pub fn test_true<T: Any + Debug + PartialEq>(v: T) {
Dec 12 03:06:01.980 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:06:01.980 INFO [stderr]    |
Dec 12 03:06:01.980 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 03:06:01.980 INFO [stderr] 
Dec 12 03:06:02.012 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Dec 12 03:06:02.012 INFO [stderr] su: No module specific data is present
Dec 12 03:06:02.508 INFO running `"docker" "inspect" "5f19f917d31e4eeaeb7f8d55adabddbe0b0594414fbc50d4aa2739abddda6c68"`
Dec 12 03:06:02.688 INFO running `"docker" "rm" "-f" "5f19f917d31e4eeaeb7f8d55adabddbe0b0594414fbc50d4aa2739abddda6c68"`
Dec 12 03:06:02.948 INFO [stdout] 5f19f917d31e4eeaeb7f8d55adabddbe0b0594414fbc50d4aa2739abddda6c68