Dec 02 08:08:10.124 INFO testing EFulmer/rust-koans against 1.30.1 for beta-1.31-5
Dec 02 08:08:10.124 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 08:08:10.785 INFO [stdout] 761ce8e552a5765821086127138bae2feeac1a41fbd6db64f157f9adda3db7dc
Dec 02 08:08:10.787 INFO running `"docker" "start" "-a" "761ce8e552a5765821086127138bae2feeac1a41fbd6db64f157f9adda3db7dc"`
Dec 02 08:08:13.255 INFO [stderr] usermod: no changes
Dec 02 08:08:13.359 INFO [stderr]    Compiling rust-koans v0.1.0 (/source)
Dec 02 08:08:13.936 INFO [stderr] warning: unused import: `util::*`
Dec 02 08:08:13.936 INFO [stderr]  --> src/about_asserts.rs:1:5
Dec 02 08:08:13.936 INFO [stderr]   |
Dec 02 08:08:13.937 INFO [stderr] 1 | use util::*;
Dec 02 08:08:13.937 INFO [stderr]   |     ^^^^^^^
Dec 02 08:08:13.937 INFO [stderr]   |
Dec 02 08:08:13.937 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 02 08:08:13.937 INFO [stderr] 
Dec 02 08:08:13.992 INFO [stderr] warning: function is never used: `test_eq`
Dec 02 08:08:13.992 INFO [stderr]  --> src/util.rs:6:1
Dec 02 08:08:13.992 INFO [stderr]   |
Dec 02 08:08:13.993 INFO [stderr] 6 | pub fn test_eq<T: Any + Debug, U: Any + Debug + PartialEq>(actual: T, expected: U) 
Dec 02 08:08:13.993 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:08:13.993 INFO [stderr]   |
Dec 02 08:08:13.994 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 02 08:08:13.994 INFO [stderr] 
Dec 02 08:08:13.994 INFO [stderr] warning: function is never used: `test_true`
Dec 02 08:08:13.995 INFO [stderr]   --> src/util.rs:23:1
Dec 02 08:08:13.995 INFO [stderr]    |
Dec 02 08:08:13.995 INFO [stderr] 23 | pub fn test_true<T: Any + Debug + PartialEq>(v: T) {
Dec 02 08:08:13.996 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:08:13.996 INFO [stderr] 
Dec 02 08:08:14.287 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Dec 02 08:08:14.299 INFO [stderr] su: No module specific data is present
Dec 02 08:08:15.016 INFO running `"docker" "inspect" "761ce8e552a5765821086127138bae2feeac1a41fbd6db64f157f9adda3db7dc"`
Dec 02 08:08:15.343 INFO running `"docker" "rm" "-f" "761ce8e552a5765821086127138bae2feeac1a41fbd6db64f157f9adda3db7dc"`
Dec 02 08:08:15.667 INFO [stdout] 761ce8e552a5765821086127138bae2feeac1a41fbd6db64f157f9adda3db7dc
Dec 02 08:08:15.674 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 08:08:16.178 INFO [stdout] a46e732551d426c56318816b386e200fe6963984971d21c2eadc006b6de86758
Dec 02 08:08:16.180 INFO running `"docker" "start" "-a" "a46e732551d426c56318816b386e200fe6963984971d21c2eadc006b6de86758"`
Dec 02 08:08:18.013 INFO [stderr] usermod: no changes
Dec 02 08:08:18.071 INFO [stderr]    Compiling rust-koans v0.1.0 (/source)
Dec 02 08:08:18.927 INFO [stderr] warning: function is never used: `test_true`
Dec 02 08:08:18.927 INFO [stderr]   --> src/util.rs:23:1
Dec 02 08:08:18.927 INFO [stderr]    |
Dec 02 08:08:18.927 INFO [stderr] 23 | pub fn test_true<T: Any + Debug + PartialEq>(v: T) {
Dec 02 08:08:18.927 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:08:18.927 INFO [stderr]    |
Dec 02 08:08:18.927 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 02 08:08:18.927 INFO [stderr] 
Dec 02 08:08:19.519 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
Dec 02 08:08:19.520 INFO [stderr] su: No module specific data is present
Dec 02 08:08:20.833 INFO running `"docker" "inspect" "a46e732551d426c56318816b386e200fe6963984971d21c2eadc006b6de86758"`
Dec 02 08:08:21.149 INFO running `"docker" "rm" "-f" "a46e732551d426c56318816b386e200fe6963984971d21c2eadc006b6de86758"`
Dec 02 08:08:21.527 INFO [stdout] a46e732551d426c56318816b386e200fe6963984971d21c2eadc006b6de86758
