Dec 05 05:35:03.425 INFO testing swizzard/boggler against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 05:35:03.425 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 05:35:04.149 INFO [stdout] d8252f1c02d6cb7cd46ba61faffc5f327188ba7ea2470e055bab266c8a89982f
Dec 05 05:35:04.155 INFO running `"docker" "start" "-a" "d8252f1c02d6cb7cd46ba61faffc5f327188ba7ea2470e055bab266c8a89982f"`
Dec 05 05:35:05.184 INFO [stderr] usermod: no changes
Dec 05 05:35:05.280 INFO [stderr]    Compiling ascii v0.8.7
Dec 05 05:35:05.284 INFO [stderr]    Compiling rand v0.5.1
Dec 05 05:35:09.337 INFO [stderr]    Compiling boggler v0.1.0 (/source)
Dec 05 05:35:09.776 INFO [stderr] warning: unused variable: `seen`
Dec 05 05:35:09.776 INFO [stderr]    --> src/solver.rs:156:17
Dec 05 05:35:09.776 INFO [stderr]     |
Dec 05 05:35:09.776 INFO [stderr] 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Dec 05 05:35:09.776 INFO [stderr]     |                 ^^^^ help: consider using `_seen` instead
Dec 05 05:35:09.776 INFO [stderr]     |
Dec 05 05:35:09.776 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 05:35:09.776 INFO [stderr] 
Dec 05 05:35:09.776 INFO [stderr] warning: unused variable: `adjcts`
Dec 05 05:35:09.776 INFO [stderr]    --> src/solver.rs:158:17
Dec 05 05:35:09.776 INFO [stderr]     |
Dec 05 05:35:09.776 INFO [stderr] 158 |             let adjcts = board.adjacents(x, y);
Dec 05 05:35:09.776 INFO [stderr]     |                 ^^^^^^ help: consider using `_adjcts` instead
Dec 05 05:35:09.776 INFO [stderr] 
Dec 05 05:35:09.812 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:35:09.812 INFO [stderr]    --> src/solver.rs:154:13
Dec 05 05:35:09.812 INFO [stderr]     |
Dec 05 05:35:09.812 INFO [stderr] 154 |         let mut x = 0;
Dec 05 05:35:09.812 INFO [stderr]     |             ----^
Dec 05 05:35:09.812 INFO [stderr]     |             |
Dec 05 05:35:09.812 INFO [stderr]     |             help: remove this `mut`
Dec 05 05:35:09.812 INFO [stderr]     |
Dec 05 05:35:09.812 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 05:35:09.812 INFO [stderr] 
Dec 05 05:35:09.812 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:35:09.812 INFO [stderr]    --> src/solver.rs:155:13
Dec 05 05:35:09.812 INFO [stderr]     |
Dec 05 05:35:09.812 INFO [stderr] 155 |         let mut y = 0;
Dec 05 05:35:09.812 INFO [stderr]     |             ----^
Dec 05 05:35:09.812 INFO [stderr]     |             |
Dec 05 05:35:09.812 INFO [stderr]     |             help: remove this `mut`
Dec 05 05:35:09.812 INFO [stderr] 
Dec 05 05:35:09.812 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:35:09.812 INFO [stderr]    --> src/solver.rs:156:13
Dec 05 05:35:09.812 INFO [stderr]     |
Dec 05 05:35:09.812 INFO [stderr] 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Dec 05 05:35:09.812 INFO [stderr]     |             ----^^^^
Dec 05 05:35:09.812 INFO [stderr]     |             |
Dec 05 05:35:09.812 INFO [stderr]     |             help: remove this `mut`
Dec 05 05:35:09.812 INFO [stderr] 
Dec 05 05:35:09.816 INFO [stderr] warning: method is never used: `find_letter`
Dec 05 05:35:09.816 INFO [stderr]    --> src/solver.rs:149:5
Dec 05 05:35:09.816 INFO [stderr]     |
Dec 05 05:35:09.816 INFO [stderr] 149 |     fn find_letter(&self, chr: &AsciiChar) -> Option<&BTNode> {
Dec 05 05:35:09.816 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 05:35:09.824 INFO [stderr]     |
Dec 05 05:35:09.824 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 05:35:09.824 INFO [stderr] 
Dec 05 05:35:12.644 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.43s
Dec 05 05:35:12.644 INFO [stderr] su: No module specific data is present
Dec 05 05:35:13.041 INFO running `"docker" "inspect" "d8252f1c02d6cb7cd46ba61faffc5f327188ba7ea2470e055bab266c8a89982f"`
Dec 05 05:35:13.234 INFO running `"docker" "rm" "-f" "d8252f1c02d6cb7cd46ba61faffc5f327188ba7ea2470e055bab266c8a89982f"`
Dec 05 05:35:13.522 INFO [stdout] d8252f1c02d6cb7cd46ba61faffc5f327188ba7ea2470e055bab266c8a89982f
Dec 05 05:35:13.524 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 05:35:13.724 INFO [stdout] 1da674613b00325d2abd71a235746c2e41804a1bdaeac944ec83ce88ce2fe829
Dec 05 05:35:13.726 INFO running `"docker" "start" "-a" "1da674613b00325d2abd71a235746c2e41804a1bdaeac944ec83ce88ce2fe829"`
Dec 05 05:35:14.249 INFO [stderr] usermod: no changes
Dec 05 05:35:14.315 INFO [stderr]    Compiling boggler v0.1.0 (/source)
Dec 05 05:35:14.808 INFO [stderr] warning: unused variable: `seen`
Dec 05 05:35:14.808 INFO [stderr]    --> src/solver.rs:156:17
Dec 05 05:35:14.808 INFO [stderr]     |
Dec 05 05:35:14.808 INFO [stderr] 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Dec 05 05:35:14.808 INFO [stderr]     |                 ^^^^ help: consider using `_seen` instead
Dec 05 05:35:14.808 INFO [stderr]     |
Dec 05 05:35:14.808 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 05:35:14.808 INFO [stderr] 
Dec 05 05:35:14.808 INFO [stderr] warning: unused variable: `adjcts`
Dec 05 05:35:14.808 INFO [stderr]    --> src/solver.rs:158:17
Dec 05 05:35:14.808 INFO [stderr]     |
Dec 05 05:35:14.808 INFO [stderr] 158 |             let adjcts = board.adjacents(x, y);
Dec 05 05:35:14.808 INFO [stderr]     |                 ^^^^^^ help: consider using `_adjcts` instead
Dec 05 05:35:14.808 INFO [stderr] 
Dec 05 05:35:14.865 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:35:14.865 INFO [stderr]    --> src/solver.rs:154:13
Dec 05 05:35:14.865 INFO [stderr]     |
Dec 05 05:35:14.865 INFO [stderr] 154 |         let mut x = 0;
Dec 05 05:35:14.865 INFO [stderr]     |             ----^
Dec 05 05:35:14.865 INFO [stderr]     |             |
Dec 05 05:35:14.865 INFO [stderr]     |             help: remove this `mut`
Dec 05 05:35:14.865 INFO [stderr]     |
Dec 05 05:35:14.865 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 05:35:14.865 INFO [stderr] 
Dec 05 05:35:14.865 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:35:14.865 INFO [stderr]    --> src/solver.rs:155:13
Dec 05 05:35:14.865 INFO [stderr]     |
Dec 05 05:35:14.865 INFO [stderr] 155 |         let mut y = 0;
Dec 05 05:35:14.865 INFO [stderr]     |             ----^
Dec 05 05:35:14.865 INFO [stderr]     |             |
Dec 05 05:35:14.865 INFO [stderr]     |             help: remove this `mut`
Dec 05 05:35:14.865 INFO [stderr] 
Dec 05 05:35:14.865 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:35:14.865 INFO [stderr]    --> src/solver.rs:156:13
Dec 05 05:35:14.865 INFO [stderr]     |
Dec 05 05:35:14.865 INFO [stderr] 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Dec 05 05:35:14.865 INFO [stderr]     |             ----^^^^
Dec 05 05:35:14.865 INFO [stderr]     |             |
Dec 05 05:35:14.865 INFO [stderr]     |             help: remove this `mut`
Dec 05 05:35:14.865 INFO [stderr] 
Dec 05 05:35:16.024 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
Dec 05 05:35:16.028 INFO [stderr] su: No module specific data is present
Dec 05 05:35:16.378 INFO running `"docker" "inspect" "1da674613b00325d2abd71a235746c2e41804a1bdaeac944ec83ce88ce2fe829"`
Dec 05 05:35:16.475 INFO running `"docker" "rm" "-f" "1da674613b00325d2abd71a235746c2e41804a1bdaeac944ec83ce88ce2fe829"`
Dec 05 05:35:16.604 INFO [stdout] 1da674613b00325d2abd71a235746c2e41804a1bdaeac944ec83ce88ce2fe829
Dec 05 05:35:16.605 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 05:35:16.780 INFO [stdout] 2c594c97c43fe4ebcfa9baef46bb5fcf73896bad29445564e0e78d75c65508fc
Dec 05 05:35:16.786 INFO running `"docker" "start" "-a" "2c594c97c43fe4ebcfa9baef46bb5fcf73896bad29445564e0e78d75c65508fc"`
Dec 05 05:35:17.354 INFO [stderr] usermod: no changes
Dec 05 05:35:17.415 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 05 05:35:17.427 INFO [stderr]      Running /target/debug/deps/boggler-4d9cc5b5c07e99cf
Dec 05 05:35:17.429 INFO [stdout] 
Dec 05 05:35:17.429 INFO [stdout] running 16 tests
Dec 05 05:35:17.429 INFO [stdout] test board::test::test_adjacents_bottom ... ok
Dec 05 05:35:17.429 INFO [stdout] test solver::test::count_word_no_q ... ok
Dec 05 05:35:17.429 INFO [stdout] test solver::test::count_word_q ... ok
Dec 05 05:35:17.429 INFO [stdout] test board::test::test_adjacents_upper_right_corner ... ok
Dec 05 05:35:17.429 INFO [stdout] test board::test::test_adjacents_upper_left_corner ... ok
Dec 05 05:35:17.429 INFO [stdout] test board::test::test_adjacents_right_side ... ok
Dec 05 05:35:17.429 INFO [stdout] test board::test::test_adjacents_top ... ok
Dec 05 05:35:17.430 INFO [stdout] test solver::test::count_word_u_no_q ... ok
Dec 05 05:35:17.430 INFO [stdout] test solver::test::find ... ok
Dec 05 05:35:17.430 INFO [stdout] test board::test::test_adjacents_middle ... ok
Dec 05 05:35:17.430 INFO [stdout] test solver::test::prepare_word_lowercase ... ok
Dec 05 05:35:17.430 INFO [stdout] test solver::test::new_empty ... ok
Dec 05 05:35:17.430 INFO [stdout] test solver::test::new_one_word ... ok
Dec 05 05:35:17.430 INFO [stdout] test board::test::test_adjacents_left_side ... ok
Dec 05 05:35:17.430 INFO [stdout] test solver::test::two_new_words ... ok
Dec 05 05:35:17.430 INFO [stdout] test solver::test::find_letter ... ok
Dec 05 05:35:17.430 INFO [stdout] 
Dec 05 05:35:17.430 INFO [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 05:35:17.430 INFO [stdout] 
Dec 05 05:35:17.436 INFO [stdout] 
Dec 05 05:35:17.436 INFO [stderr]      Running /target/debug/deps/boggler-e62ddc875184d8d5
Dec 05 05:35:17.436 INFO [stdout] running 0 tests
Dec 05 05:35:17.436 INFO [stderr]    Doc-tests boggler
Dec 05 05:35:17.436 INFO [stdout] 
Dec 05 05:35:17.436 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 05:35:17.436 INFO [stdout] 
Dec 05 05:35:17.690 INFO [stdout] 
Dec 05 05:35:17.690 INFO [stdout] running 0 tests
Dec 05 05:35:17.690 INFO [stdout] 
Dec 05 05:35:17.690 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 05:35:17.690 INFO [stdout] 
Dec 05 05:35:17.697 INFO [stderr] su: No module specific data is present
Dec 05 05:35:18.070 INFO running `"docker" "inspect" "2c594c97c43fe4ebcfa9baef46bb5fcf73896bad29445564e0e78d75c65508fc"`
Dec 05 05:35:18.240 INFO running `"docker" "rm" "-f" "2c594c97c43fe4ebcfa9baef46bb5fcf73896bad29445564e0e78d75c65508fc"`
Dec 05 05:35:18.384 INFO [stdout] 2c594c97c43fe4ebcfa9baef46bb5fcf73896bad29445564e0e78d75c65508fc