Dec 13 23:13:36.040 INFO testing conundrumer/crossword against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 23:13:36.040 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 13 23:13:36.491 INFO [stdout] f394f9dd2689515f3a0581746a8902b09962e17cf265026fcfbb1664bdd1c4fa
Dec 13 23:13:36.495 INFO running `"docker" "start" "-a" "f394f9dd2689515f3a0581746a8902b09962e17cf265026fcfbb1664bdd1c4fa"`
Dec 13 23:13:37.735 INFO [stderr] usermod: no changes
Dec 13 23:13:37.791 INFO [stderr]    Compiling crossword v0.1.0 (/source)
Dec 13 23:13:38.205 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 13 23:13:38.205 INFO [stderr]   --> src/grid.rs:25:21
Dec 13 23:13:38.205 INFO [stderr]    |
Dec 13 23:13:38.205 INFO [stderr] 25 |         vec![Empty; ((bb.width() as usize) * (bb.height() as usize))]
Dec 13 23:13:38.205 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 13 23:13:38.205 INFO [stderr]    |
Dec 13 23:13:38.211 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 13 23:13:38.211 INFO [stderr] 
Dec 13 23:13:38.515 INFO [stderr] warning: variable does not need to be mutable
Dec 13 23:13:38.515 INFO [stderr]    --> src/filter.rs:115:17
Dec 13 23:13:38.515 INFO [stderr]     |
Dec 13 23:13:38.515 INFO [stderr] 115 |             let mut seen = &mut self.seen.borrow_mut();
Dec 13 23:13:38.515 INFO [stderr]     |                 ----^^^^
Dec 13 23:13:38.515 INFO [stderr]     |                 |
Dec 13 23:13:38.515 INFO [stderr]     |                 help: remove this `mut`
Dec 13 23:13:38.515 INFO [stderr]     |
Dec 13 23:13:38.515 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 13 23:13:38.515 INFO [stderr] 
Dec 13 23:13:38.551 INFO [stderr] warning: method is never used: `is_valid`
Dec 13 23:13:38.551 INFO [stderr]   --> src/crossword.rs:38:5
Dec 13 23:13:38.551 INFO [stderr]    |
Dec 13 23:13:38.551 INFO [stderr] 38 |     pub fn is_valid(&self) -> bool {
Dec 13 23:13:38.551 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 23:13:38.551 INFO [stderr]    |
Dec 13 23:13:38.551 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 23:13:38.551 INFO [stderr] 
Dec 13 23:13:38.552 INFO [stderr] warning: method is never used: `iter`
Dec 13 23:13:38.552 INFO [stderr]   --> src/generate.rs:41:5
Dec 13 23:13:38.552 INFO [stderr]    |
Dec 13 23:13:38.552 INFO [stderr] 41 |     pub fn iter<'b>(&'b self) -> Box<Iterator<Item=Crossword> + 'b> {
Dec 13 23:13:38.552 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 23:13:38.552 INFO [stderr] 
Dec 13 23:13:38.552 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 13 23:13:38.552 INFO [stderr]  --> src/main.rs:1:12
Dec 13 23:13:38.552 INFO [stderr]   |
Dec 13 23:13:38.552 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 13 23:13:38.552 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 23:13:38.552 INFO [stderr]   |
Dec 13 23:13:38.552 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 13 23:13:38.552 INFO [stderr] 
Dec 13 23:13:41.114 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.35s
Dec 13 23:13:41.119 INFO [stderr] su: No module specific data is present
Dec 13 23:13:41.527 INFO running `"docker" "inspect" "f394f9dd2689515f3a0581746a8902b09962e17cf265026fcfbb1664bdd1c4fa"`
Dec 13 23:13:41.636 INFO running `"docker" "rm" "-f" "f394f9dd2689515f3a0581746a8902b09962e17cf265026fcfbb1664bdd1c4fa"`
Dec 13 23:13:41.753 INFO [stdout] f394f9dd2689515f3a0581746a8902b09962e17cf265026fcfbb1664bdd1c4fa
Dec 13 23:13:41.756 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 13 23:13:42.038 INFO [stdout] 72d4f5d0e9d9a86335658e2cbe87bafff996b157fdca6ef447ca49bb2f6d7b69
Dec 13 23:13:42.045 INFO running `"docker" "start" "-a" "72d4f5d0e9d9a86335658e2cbe87bafff996b157fdca6ef447ca49bb2f6d7b69"`
Dec 13 23:13:42.523 INFO [stderr] usermod: no changes
Dec 13 23:13:42.557 INFO [stderr]    Compiling crossword v0.1.0 (/source)
Dec 13 23:13:42.973 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 13 23:13:42.974 INFO [stderr]   --> src/grid.rs:25:21
Dec 13 23:13:42.974 INFO [stderr]    |
Dec 13 23:13:42.974 INFO [stderr] 25 |         vec![Empty; ((bb.width() as usize) * (bb.height() as usize))]
Dec 13 23:13:42.974 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 13 23:13:42.974 INFO [stderr]    |
Dec 13 23:13:42.974 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 13 23:13:42.974 INFO [stderr] 
Dec 13 23:13:43.321 INFO [stderr] warning: variable does not need to be mutable
Dec 13 23:13:43.321 INFO [stderr]    --> src/filter.rs:115:17
Dec 13 23:13:43.321 INFO [stderr]     |
Dec 13 23:13:43.321 INFO [stderr] 115 |             let mut seen = &mut self.seen.borrow_mut();
Dec 13 23:13:43.321 INFO [stderr]     |                 ----^^^^
Dec 13 23:13:43.321 INFO [stderr]     |                 |
Dec 13 23:13:43.321 INFO [stderr]     |                 help: remove this `mut`
Dec 13 23:13:43.321 INFO [stderr]     |
Dec 13 23:13:43.321 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 13 23:13:43.321 INFO [stderr] 
Dec 13 23:13:43.368 INFO [stderr] warning: type alias is never used: `WordPosition`
Dec 13 23:13:43.368 INFO [stderr]    --> src/generate.rs:185:5
Dec 13 23:13:43.368 INFO [stderr]     |
Dec 13 23:13:43.368 INFO [stderr] 185 |     type WordPosition = (&'static str, Position);
Dec 13 23:13:43.368 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 23:13:43.368 INFO [stderr]     |
Dec 13 23:13:43.368 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 13 23:13:43.368 INFO [stderr] 
Dec 13 23:13:43.368 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 13 23:13:43.368 INFO [stderr]  --> src/main.rs:1:12
Dec 13 23:13:43.368 INFO [stderr]   |
Dec 13 23:13:43.368 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 13 23:13:43.368 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 23:13:43.368 INFO [stderr]   |
Dec 13 23:13:43.368 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 13 23:13:43.368 INFO [stderr] 
Dec 13 23:13:45.807 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.26s
Dec 13 23:13:45.810 INFO [stderr] su: No module specific data is present
Dec 13 23:13:46.354 INFO running `"docker" "inspect" "72d4f5d0e9d9a86335658e2cbe87bafff996b157fdca6ef447ca49bb2f6d7b69"`
Dec 13 23:13:46.448 INFO running `"docker" "rm" "-f" "72d4f5d0e9d9a86335658e2cbe87bafff996b157fdca6ef447ca49bb2f6d7b69"`
Dec 13 23:13:46.516 INFO [stdout] 72d4f5d0e9d9a86335658e2cbe87bafff996b157fdca6ef447ca49bb2f6d7b69
Dec 13 23:13:46.518 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 13 23:13:46.727 INFO [stdout] c3c534e8b38cc09e862df9e54e5da87c334347eb921549b80de9bddb93201a9a
Dec 13 23:13:46.732 INFO running `"docker" "start" "-a" "c3c534e8b38cc09e862df9e54e5da87c334347eb921549b80de9bddb93201a9a"`
Dec 13 23:13:47.132 INFO [stderr] usermod: no changes
Dec 13 23:13:47.157 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 23:13:47.159 INFO [stderr]      Running /target/debug/deps/crossword-cab9e905576d1b07
Dec 13 23:13:47.165 INFO [stdout] 
Dec 13 23:13:47.165 INFO [stdout] running 21 tests
Dec 13 23:13:47.169 INFO [stdout] test crossword::tests::bounding_box ... ok
Dec 13 23:13:47.177 INFO [stdout] test crossword::tests::is_invalid ... ok
Dec 13 23:13:47.181 INFO [stdout] test crossword::tests::display ... ok
Dec 13 23:13:47.183 INFO [stdout] test crossword::tests::is_valid ... ok
Dec 13 23:13:47.183 INFO [stdout] test bench::generate_1 ... ok
Dec 13 23:13:47.183 INFO [stdout] test crossword::tests::is_invalid_adjacent ... ok
Dec 13 23:13:47.183 INFO [stdout] test crossword::tests::is_invalid_touching ... ok
Dec 13 23:13:47.184 INFO [stdout] test crossword::tests::is_valid_diagonal ... ok
Dec 13 23:13:47.184 INFO [stdout] test generate::tests::display ... ok
Dec 13 23:13:47.185 INFO [stdout] test crossword::tests::num_overlaps ... ok
Dec 13 23:13:47.185 INFO [stdout] test crossword::tests::letters ... ok
Dec 13 23:13:47.185 INFO [stdout] test generate::tests::letter_block_collision ... ok
Dec 13 23:13:47.192 INFO [stdout] test word_placements::tests::hash ... ok
Dec 13 23:13:47.195 INFO [stdout] test word_placements::tests::set ... ok
Dec 13 23:13:47.195 INFO [stdout] test grid_cell::tests::letter_block_collision ... ok
Dec 13 23:13:47.195 INFO [stdout] test rand::tests::rand_range ... ok
Dec 13 23:13:47.203 INFO [stdout] test word_placements::tests::new ... ok
Dec 13 23:13:47.203 INFO [stdout] test generate::tests::test_gen_iter ... ok
Dec 13 23:13:47.248 INFO [stdout] test bench::generate_2 ... ok
Dec 13 23:13:47.677 INFO [stdout] test bench::generate_3 ... ok
Dec 13 23:13:50.075 INFO [stderr] su: No module specific data is present
Dec 13 23:13:50.075 INFO [stdout] test bench::generate_4 ... ok
Dec 13 23:13:50.075 INFO [stdout] 
Dec 13 23:13:50.075 INFO [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 23:13:50.075 INFO [stdout] 
Dec 13 23:13:50.777 INFO running `"docker" "inspect" "c3c534e8b38cc09e862df9e54e5da87c334347eb921549b80de9bddb93201a9a"`
Dec 13 23:13:50.953 INFO running `"docker" "rm" "-f" "c3c534e8b38cc09e862df9e54e5da87c334347eb921549b80de9bddb93201a9a"`
Dec 13 23:13:51.079 INFO [stdout] c3c534e8b38cc09e862df9e54e5da87c334347eb921549b80de9bddb93201a9a