Dec 13 23:13:35.596 INFO testing conundrumer/crossword against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 23:13:35.596 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 23:13:36.191 INFO [stdout] e380a8f64af6061dcb663af71bfce75af7eb0fc2d6fc2c108fed246d31a6229e
Dec 13 23:13:36.195 INFO running `"docker" "start" "-a" "e380a8f64af6061dcb663af71bfce75af7eb0fc2d6fc2c108fed246d31a6229e"`
Dec 13 23:13:37.651 INFO [stderr] usermod: no changes
Dec 13 23:13:37.711 INFO [stderr]    Compiling crossword v0.1.0 (/source)
Dec 13 23:13:38.076 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 13 23:13:38.076 INFO [stderr]   --> src/grid.rs:25:21
Dec 13 23:13:38.076 INFO [stderr]    |
Dec 13 23:13:38.076 INFO [stderr] 25 |         vec![Empty; ((bb.width() as usize) * (bb.height() as usize))]
Dec 13 23:13:38.076 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 13 23:13:38.076 INFO [stderr]    |
Dec 13 23:13:38.076 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 13 23:13:38.076 INFO [stderr] 
Dec 13 23:13:38.374 INFO [stderr] warning: variable does not need to be mutable
Dec 13 23:13:38.374 INFO [stderr]    --> src/filter.rs:115:17
Dec 13 23:13:38.374 INFO [stderr]     |
Dec 13 23:13:38.374 INFO [stderr] 115 |             let mut seen = &mut self.seen.borrow_mut();
Dec 13 23:13:38.374 INFO [stderr]     |                 ----^^^^
Dec 13 23:13:38.374 INFO [stderr]     |                 |
Dec 13 23:13:38.374 INFO [stderr]     |                 help: remove this `mut`
Dec 13 23:13:38.374 INFO [stderr]     |
Dec 13 23:13:38.374 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 13 23:13:38.374 INFO [stderr] 
Dec 13 23:13:38.411 INFO [stderr] warning: method is never used: `is_valid`
Dec 13 23:13:38.411 INFO [stderr]   --> src/crossword.rs:38:5
Dec 13 23:13:38.411 INFO [stderr]    |
Dec 13 23:13:38.411 INFO [stderr] 38 |     pub fn is_valid(&self) -> bool {
Dec 13 23:13:38.411 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 23:13:38.411 INFO [stderr]    |
Dec 13 23:13:38.411 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 23:13:38.411 INFO [stderr] 
Dec 13 23:13:38.411 INFO [stderr] warning: method is never used: `iter`
Dec 13 23:13:38.411 INFO [stderr]   --> src/generate.rs:41:5
Dec 13 23:13:38.411 INFO [stderr]    |
Dec 13 23:13:38.411 INFO [stderr] 41 |     pub fn iter<'b>(&'b self) -> Box<Iterator<Item=Crossword> + 'b> {
Dec 13 23:13:38.411 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 23:13:38.411 INFO [stderr] 
Dec 13 23:13:38.411 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 23:13:38.411 INFO [stderr]  --> src/main.rs:1:12
Dec 13 23:13:38.411 INFO [stderr]   |
Dec 13 23:13:38.411 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 13 23:13:38.411 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 23:13:38.411 INFO [stderr]   |
Dec 13 23:13:38.411 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 13 23:13:38.411 INFO [stderr] 
Dec 13 23:13:41.032 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.35s
Dec 13 23:13:41.034 INFO [stderr] su: No module specific data is present
Dec 13 23:13:41.492 INFO running `"docker" "inspect" "e380a8f64af6061dcb663af71bfce75af7eb0fc2d6fc2c108fed246d31a6229e"`
Dec 13 23:13:41.616 INFO running `"docker" "rm" "-f" "e380a8f64af6061dcb663af71bfce75af7eb0fc2d6fc2c108fed246d31a6229e"`
Dec 13 23:13:41.756 INFO [stdout] e380a8f64af6061dcb663af71bfce75af7eb0fc2d6fc2c108fed246d31a6229e
Dec 13 23:13:41.758 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 23:13:41.991 INFO [stdout] 90872092a3ffce9a467e5b6b33101589453ae8c5ba123df2c1fb7c75ce0b425c
Dec 13 23:13:41.993 INFO running `"docker" "start" "-a" "90872092a3ffce9a467e5b6b33101589453ae8c5ba123df2c1fb7c75ce0b425c"`
Dec 13 23:13:42.464 INFO [stderr] usermod: no changes
Dec 13 23:13:42.490 INFO [stderr]    Compiling crossword v0.1.0 (/source)
Dec 13 23:13:42.919 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 13 23:13:42.920 INFO [stderr]   --> src/grid.rs:25:21
Dec 13 23:13:42.920 INFO [stderr]    |
Dec 13 23:13:42.920 INFO [stderr] 25 |         vec![Empty; ((bb.width() as usize) * (bb.height() as usize))]
Dec 13 23:13:42.921 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 13 23:13:42.921 INFO [stderr]    |
Dec 13 23:13:42.921 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 13 23:13:42.921 INFO [stderr] 
Dec 13 23:13:43.419 INFO [stderr] warning: variable does not need to be mutable
Dec 13 23:13:43.419 INFO [stderr]    --> src/filter.rs:115:17
Dec 13 23:13:43.419 INFO [stderr]     |
Dec 13 23:13:43.419 INFO [stderr] 115 |             let mut seen = &mut self.seen.borrow_mut();
Dec 13 23:13:43.419 INFO [stderr]     |                 ----^^^^
Dec 13 23:13:43.419 INFO [stderr]     |                 |
Dec 13 23:13:43.419 INFO [stderr]     |                 help: remove this `mut`
Dec 13 23:13:43.419 INFO [stderr]     |
Dec 13 23:13:43.419 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 13 23:13:43.419 INFO [stderr] 
Dec 13 23:13:43.424 INFO [stderr] warning: type alias is never used: `WordPosition`
Dec 13 23:13:43.425 INFO [stderr]    --> src/generate.rs:185:5
Dec 13 23:13:43.425 INFO [stderr]     |
Dec 13 23:13:43.425 INFO [stderr] 185 |     type WordPosition = (&'static str, Position);
Dec 13 23:13:43.425 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 23:13:43.425 INFO [stderr]     |
Dec 13 23:13:43.425 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 13 23:13:43.425 INFO [stderr] 
Dec 13 23:13:43.426 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 23:13:43.426 INFO [stderr]  --> src/main.rs:1:12
Dec 13 23:13:43.426 INFO [stderr]   |
Dec 13 23:13:43.426 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 13 23:13:43.426 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 23:13:43.431 INFO [stderr]   |
Dec 13 23:13:43.431 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 13 23:13:43.431 INFO [stderr] 
Dec 13 23:13:45.861 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.38s
Dec 13 23:13:45.863 INFO [stderr] su: No module specific data is present
Dec 13 23:13:46.351 INFO running `"docker" "inspect" "90872092a3ffce9a467e5b6b33101589453ae8c5ba123df2c1fb7c75ce0b425c"`
Dec 13 23:13:46.484 INFO running `"docker" "rm" "-f" "90872092a3ffce9a467e5b6b33101589453ae8c5ba123df2c1fb7c75ce0b425c"`
Dec 13 23:13:46.580 INFO [stdout] 90872092a3ffce9a467e5b6b33101589453ae8c5ba123df2c1fb7c75ce0b425c
Dec 13 23:13:46.583 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 23:13:46.794 INFO [stdout] c426e14e7a525645891bfbe6634634f78d18e8b432917540e1025e836db24fc5
Dec 13 23:13:46.797 INFO running `"docker" "start" "-a" "c426e14e7a525645891bfbe6634634f78d18e8b432917540e1025e836db24fc5"`
Dec 13 23:13:47.164 INFO [stderr] usermod: no changes
Dec 13 23:13:47.203 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 23:13:47.207 INFO [stderr]      Running /target/debug/deps/crossword-3986e71236d2d2da
Dec 13 23:13:47.212 INFO [stdout] 
Dec 13 23:13:47.212 INFO [stdout] running 21 tests
Dec 13 23:13:47.215 INFO [stdout] test crossword::tests::display ... ok
Dec 13 23:13:47.215 INFO [stdout] test crossword::tests::bounding_box ... ok
Dec 13 23:13:47.222 INFO [stdout] test crossword::tests::is_valid ... ok
Dec 13 23:13:47.239 INFO [stdout] test crossword::tests::is_invalid_adjacent ... ok
Dec 13 23:13:47.239 INFO [stdout] test crossword::tests::is_invalid_touching ... ok
Dec 13 23:13:47.239 INFO [stdout] test bench::generate_1 ... ok
Dec 13 23:13:47.252 INFO [stdout] test crossword::tests::is_invalid ... ok
Dec 13 23:13:47.252 INFO [stdout] test crossword::tests::num_overlaps ... ok
Dec 13 23:13:47.252 INFO [stdout] test crossword::tests::letters ... ok
Dec 13 23:13:47.275 INFO [stdout] test crossword::tests::is_valid_diagonal ... ok
Dec 13 23:13:47.275 INFO [stdout] test generate::tests::display ... ok
Dec 13 23:13:47.275 INFO [stdout] test grid_cell::tests::letter_block_collision ... ok
Dec 13 23:13:47.275 INFO [stdout] test generate::tests::letter_block_collision ... ok
Dec 13 23:13:47.275 INFO [stdout] test rand::tests::rand_range ... ok
Dec 13 23:13:47.275 INFO [stdout] test word_placements::tests::new ... ok
Dec 13 23:13:47.279 INFO [stdout] test word_placements::tests::hash ... ok
Dec 13 23:13:47.279 INFO [stdout] test word_placements::tests::set ... ok
Dec 13 23:13:47.279 INFO [stdout] test generate::tests::test_gen_iter ... ok
Dec 13 23:13:47.288 INFO [stdout] test bench::generate_2 ... ok
Dec 13 23:13:47.751 INFO [stdout] test bench::generate_3 ... ok
Dec 13 23:13:50.175 INFO [stdout] test bench::generate_4 ... ok
Dec 13 23:13:50.175 INFO [stdout] 
Dec 13 23:13:50.175 INFO [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 23:13:50.175 INFO [stdout] 
Dec 13 23:13:50.176 INFO [stderr] su: No module specific data is present
Dec 13 23:13:50.780 INFO running `"docker" "inspect" "c426e14e7a525645891bfbe6634634f78d18e8b432917540e1025e836db24fc5"`
Dec 13 23:13:50.963 INFO running `"docker" "rm" "-f" "c426e14e7a525645891bfbe6634634f78d18e8b432917540e1025e836db24fc5"`
Dec 13 23:13:51.089 INFO [stdout] c426e14e7a525645891bfbe6634634f78d18e8b432917540e1025e836db24fc5