Dec 14 21:17:17.996 INFO testing rusty-santa-0.1.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 21:17:17.996 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 14 21:17:18.446 INFO [stdout] da6bfccff5acce48f63bc3206b534a255ab5fbb1e865d02a23ff64a009e6957d
Dec 14 21:17:18.448 INFO running `"docker" "start" "-a" "da6bfccff5acce48f63bc3206b534a255ab5fbb1e865d02a23ff64a009e6957d"`
Dec 14 21:17:19.822 INFO [stderr] usermod: no changes
Dec 14 21:17:19.927 INFO [stderr]    Compiling rusty-santa v0.1.0 (/source)
Dec 14 21:17:20.783 INFO [stderr] warning: method is never used: `get`
Dec 14 21:17:20.783 INFO [stderr]   --> src/lib.rs:64:5
Dec 14 21:17:20.783 INFO [stderr]    |
Dec 14 21:17:20.783 INFO [stderr] 64 |     pub fn get(&self, x: &str, y: &str) -> bool {
Dec 14 21:17:20.783 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 21:17:20.783 INFO [stderr]    |
Dec 14 21:17:20.783 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 21:17:20.783 INFO [stderr] 
Dec 14 21:17:20.783 INFO [stderr] warning: method is never used: `size`
Dec 14 21:17:20.783 INFO [stderr]    --> src/lib.rs:103:5
Dec 14 21:17:20.783 INFO [stderr]     |
Dec 14 21:17:20.783 INFO [stderr] 103 |     pub fn size(&self) -> usize {
Dec 14 21:17:20.783 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 21:17:20.783 INFO [stderr] 
Dec 14 21:17:21.477 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
Dec 14 21:17:21.483 INFO [stderr] su: No module specific data is present
Dec 14 21:17:21.846 INFO running `"docker" "inspect" "da6bfccff5acce48f63bc3206b534a255ab5fbb1e865d02a23ff64a009e6957d"`
Dec 14 21:17:22.087 INFO running `"docker" "rm" "-f" "da6bfccff5acce48f63bc3206b534a255ab5fbb1e865d02a23ff64a009e6957d"`
Dec 14 21:17:22.225 INFO [stdout] da6bfccff5acce48f63bc3206b534a255ab5fbb1e865d02a23ff64a009e6957d
Dec 14 21:17:22.229 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 14 21:17:22.693 INFO [stdout] 5e7175fdfbdfc7e31a1b2ad27ba323df6af3644c9bb9db0c59ebd36d30fc6546
Dec 14 21:17:22.703 INFO running `"docker" "start" "-a" "5e7175fdfbdfc7e31a1b2ad27ba323df6af3644c9bb9db0c59ebd36d30fc6546"`
Dec 14 21:17:24.134 INFO [stderr] usermod: no changes
Dec 14 21:17:24.287 INFO [stderr]    Compiling rusty-santa v0.1.0 (/source)
Dec 14 21:17:25.705 INFO [stderr] warning: unused variable: `i`
Dec 14 21:17:25.705 INFO [stderr]    --> src/lib.rs:357:13
Dec 14 21:17:25.705 INFO [stderr]     |
Dec 14 21:17:25.705 INFO [stderr] 357 |         for i in 0..1000 {
Dec 14 21:17:25.705 INFO [stderr]     |             ^ help: consider using `_i` instead
Dec 14 21:17:25.705 INFO [stderr]     |
Dec 14 21:17:25.705 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 14 21:17:25.705 INFO [stderr] 
Dec 14 21:17:25.739 INFO [stderr] warning: variable does not need to be mutable
Dec 14 21:17:25.739 INFO [stderr]    --> src/lib.rs:279:13
Dec 14 21:17:25.739 INFO [stderr]     |
Dec 14 21:17:25.739 INFO [stderr] 279 |         let mut matrix = Matrix::new(keys);
Dec 14 21:17:25.739 INFO [stderr]     |             ----^^^^^^
Dec 14 21:17:25.739 INFO [stderr]     |             |
Dec 14 21:17:25.739 INFO [stderr]     |             help: remove this `mut`
Dec 14 21:17:25.739 INFO [stderr]     |
Dec 14 21:17:25.739 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 21:17:25.739 INFO [stderr] 
Dec 14 21:17:25.754 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 21:17:25.754 INFO [stderr]    --> src/lib.rs:358:13
Dec 14 21:17:25.754 INFO [stderr]     |
Dec 14 21:17:25.754 INFO [stderr] 358 |             group.assign();
Dec 14 21:17:25.754 INFO [stderr]     |             ^^^^^^^^^^^^^^^
Dec 14 21:17:25.754 INFO [stderr]     |
Dec 14 21:17:25.754 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 14 21:17:25.754 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 21:17:25.754 INFO [stderr] 
Dec 14 21:17:27.354 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.17s
Dec 14 21:17:27.359 INFO [stderr] su: No module specific data is present
Dec 14 21:17:27.690 INFO running `"docker" "inspect" "5e7175fdfbdfc7e31a1b2ad27ba323df6af3644c9bb9db0c59ebd36d30fc6546"`
Dec 14 21:17:27.808 INFO running `"docker" "rm" "-f" "5e7175fdfbdfc7e31a1b2ad27ba323df6af3644c9bb9db0c59ebd36d30fc6546"`
Dec 14 21:17:27.994 INFO [stdout] 5e7175fdfbdfc7e31a1b2ad27ba323df6af3644c9bb9db0c59ebd36d30fc6546
Dec 14 21:17:27.996 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 14 21:17:28.210 INFO [stdout] 1f3ff3974b8178a4a1a4e24ed60278042336c546c46a2ab3331c3521456d2315
Dec 14 21:17:28.213 INFO running `"docker" "start" "-a" "1f3ff3974b8178a4a1a4e24ed60278042336c546c46a2ab3331c3521456d2315"`
Dec 14 21:17:28.927 INFO [stderr] usermod: no changes
Dec 14 21:17:29.014 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 14 21:17:29.029 INFO [stderr]      Running /target/debug/deps/rusty_santa-54a1e019e3a072c7
Dec 14 21:17:29.039 INFO [stdout] 
Dec 14 21:17:29.039 INFO [stdout] running 7 tests
Dec 14 21:17:29.055 INFO [stdout] test tests::group_simple ... ok
Dec 14 21:17:29.055 INFO [stdout] test tests::matrix_init ... ok
Dec 14 21:17:29.055 INFO [stdout] test tests::matrix_get_row ... ok
Dec 14 21:17:29.055 INFO [stdout] test tests::matrix_contains ... ok
Dec 14 21:17:29.055 INFO [stdout] test tests::matrix_size ... ok
Dec 14 21:17:29.055 INFO [stdout] test tests::matrix_set ... ok
Dec 14 21:17:29.238 INFO [stdout] test tests::group_may_fail ... ok
Dec 14 21:17:29.238 INFO [stdout] 
Dec 14 21:17:29.238 INFO [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 21:17:29.238 INFO [stdout] 
Dec 14 21:17:29.238 INFO [stderr]    Doc-tests rusty-santa
Dec 14 21:17:30.539 INFO [stdout] 
Dec 14 21:17:30.539 INFO [stdout] running 0 tests
Dec 14 21:17:30.539 INFO [stdout] 
Dec 14 21:17:30.542 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 21:17:30.543 INFO [stdout] 
Dec 14 21:17:30.587 INFO [stderr] su: No module specific data is present
Dec 14 21:17:31.127 INFO running `"docker" "inspect" "1f3ff3974b8178a4a1a4e24ed60278042336c546c46a2ab3331c3521456d2315"`
Dec 14 21:17:31.270 INFO running `"docker" "rm" "-f" "1f3ff3974b8178a4a1a4e24ed60278042336c546c46a2ab3331c3521456d2315"`
Dec 14 21:17:31.385 INFO [stdout] 1f3ff3974b8178a4a1a4e24ed60278042336c546c46a2ab3331c3521456d2315