Dec 05 05:35:03.559 INFO testing swizzard/boggler against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 05:35:03.559 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05:35:04.315 INFO [stdout] 7031d3ec580fa640a4a849ef8b523f4693845822b0a16b66108f49736276b8fb
Dec 05 05:35:04.323 INFO running `"docker" "start" "-a" "7031d3ec580fa640a4a849ef8b523f4693845822b0a16b66108f49736276b8fb"`
Dec 05 05:35:05.240 INFO [stderr] usermod: no changes
Dec 05 05:35:05.334 INFO [stderr]    Compiling ascii v0.8.7
Dec 05 05:35:05.356 INFO [stderr]    Compiling rand v0.5.1
Dec 05 05:35:09.092 INFO [stderr]    Compiling boggler v0.1.0 (/source)
Dec 05 05:35:09.432 INFO [stderr] warning: unused variable: `seen`
Dec 05 05:35:09.432 INFO [stderr]    --> src/solver.rs:156:17
Dec 05 05:35:09.432 INFO [stderr]     |
Dec 05 05:35:09.432 INFO [stderr] 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Dec 05 05:35:09.432 INFO [stderr]     |                 ^^^^ help: consider using `_seen` instead
Dec 05 05:35:09.432 INFO [stderr]     |
Dec 05 05:35:09.432 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 05:35:09.432 INFO [stderr] 
Dec 05 05:35:09.432 INFO [stderr] warning: unused variable: `adjcts`
Dec 05 05:35:09.432 INFO [stderr]    --> src/solver.rs:158:17
Dec 05 05:35:09.433 INFO [stderr]     |
Dec 05 05:35:09.433 INFO [stderr] 158 |             let adjcts = board.adjacents(x, y);
Dec 05 05:35:09.433 INFO [stderr]     |                 ^^^^^^ help: consider using `_adjcts` instead
Dec 05 05:35:09.433 INFO [stderr] 
Dec 05 05:35:09.460 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:35:09.460 INFO [stderr]    --> src/solver.rs:154:13
Dec 05 05:35:09.460 INFO [stderr]     |
Dec 05 05:35:09.460 INFO [stderr] 154 |         let mut x = 0;
Dec 05 05:35:09.460 INFO [stderr]     |             ----^
Dec 05 05:35:09.460 INFO [stderr]     |             |
Dec 05 05:35:09.460 INFO [stderr]     |             help: remove this `mut`
Dec 05 05:35:09.460 INFO [stderr]     |
Dec 05 05:35:09.460 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 05:35:09.460 INFO [stderr] 
Dec 05 05:35:09.460 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:35:09.460 INFO [stderr]    --> src/solver.rs:155:13
Dec 05 05:35:09.460 INFO [stderr]     |
Dec 05 05:35:09.460 INFO [stderr] 155 |         let mut y = 0;
Dec 05 05:35:09.460 INFO [stderr]     |             ----^
Dec 05 05:35:09.460 INFO [stderr]     |             |
Dec 05 05:35:09.460 INFO [stderr]     |             help: remove this `mut`
Dec 05 05:35:09.460 INFO [stderr] 
Dec 05 05:35:09.460 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:35:09.460 INFO [stderr]    --> src/solver.rs:156:13
Dec 05 05:35:09.460 INFO [stderr]     |
Dec 05 05:35:09.460 INFO [stderr] 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Dec 05 05:35:09.460 INFO [stderr]     |             ----^^^^
Dec 05 05:35:09.460 INFO [stderr]     |             |
Dec 05 05:35:09.460 INFO [stderr]     |             help: remove this `mut`
Dec 05 05:35:09.460 INFO [stderr] 
Dec 05 05:35:09.463 INFO [stderr] warning: method is never used: `find_letter`
Dec 05 05:35:09.463 INFO [stderr]    --> src/solver.rs:149:5
Dec 05 05:35:09.463 INFO [stderr]     |
Dec 05 05:35:09.463 INFO [stderr] 149 |     fn find_letter(&self, chr: &AsciiChar) -> Option<&BTNode> {
Dec 05 05:35:09.463 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 05:35:09.463 INFO [stderr]     |
Dec 05 05:35:09.463 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 05:35:09.463 INFO [stderr] 
Dec 05 05:35:12.445 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.18s
Dec 05 05:35:12.445 INFO [stderr] su: No module specific data is present
Dec 05 05:35:13.038 INFO running `"docker" "inspect" "7031d3ec580fa640a4a849ef8b523f4693845822b0a16b66108f49736276b8fb"`
Dec 05 05:35:13.224 INFO running `"docker" "rm" "-f" "7031d3ec580fa640a4a849ef8b523f4693845822b0a16b66108f49736276b8fb"`
Dec 05 05:35:13.467 INFO [stdout] 7031d3ec580fa640a4a849ef8b523f4693845822b0a16b66108f49736276b8fb
Dec 05 05:35:13.469 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05:35:13.787 INFO [stdout] 9d05f1a1ae07b1deb030958518bed3d2908a0135bccd62f15747998129118141
Dec 05 05:35:13.789 INFO running `"docker" "start" "-a" "9d05f1a1ae07b1deb030958518bed3d2908a0135bccd62f15747998129118141"`
Dec 05 05:35:14.292 INFO [stderr] usermod: no changes
Dec 05 05:35:14.409 INFO [stderr]    Compiling boggler v0.1.0 (/source)
Dec 05 05:35:14.992 INFO [stderr] warning: unused variable: `seen`
Dec 05 05:35:14.992 INFO [stderr]    --> src/solver.rs:156:17
Dec 05 05:35:14.992 INFO [stderr]     |
Dec 05 05:35:14.992 INFO [stderr] 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Dec 05 05:35:14.992 INFO [stderr]     |                 ^^^^ help: consider using `_seen` instead
Dec 05 05:35:14.992 INFO [stderr]     |
Dec 05 05:35:14.992 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 05:35:14.992 INFO [stderr] 
Dec 05 05:35:14.992 INFO [stderr] warning: unused variable: `adjcts`
Dec 05 05:35:14.992 INFO [stderr]    --> src/solver.rs:158:17
Dec 05 05:35:14.992 INFO [stderr]     |
Dec 05 05:35:14.992 INFO [stderr] 158 |             let adjcts = board.adjacents(x, y);
Dec 05 05:35:14.992 INFO [stderr]     |                 ^^^^^^ help: consider using `_adjcts` instead
Dec 05 05:35:14.992 INFO [stderr] 
Dec 05 05:35:15.069 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:35:15.069 INFO [stderr]    --> src/solver.rs:154:13
Dec 05 05:35:15.069 INFO [stderr]     |
Dec 05 05:35:15.069 INFO [stderr] 154 |         let mut x = 0;
Dec 05 05:35:15.069 INFO [stderr]     |             ----^
Dec 05 05:35:15.069 INFO [stderr]     |             |
Dec 05 05:35:15.069 INFO [stderr]     |             help: remove this `mut`
Dec 05 05:35:15.069 INFO [stderr]     |
Dec 05 05:35:15.069 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 05:35:15.069 INFO [stderr] 
Dec 05 05:35:15.069 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:35:15.069 INFO [stderr]    --> src/solver.rs:155:13
Dec 05 05:35:15.069 INFO [stderr]     |
Dec 05 05:35:15.069 INFO [stderr] 155 |         let mut y = 0;
Dec 05 05:35:15.069 INFO [stderr]     |             ----^
Dec 05 05:35:15.069 INFO [stderr]     |             |
Dec 05 05:35:15.069 INFO [stderr]     |             help: remove this `mut`
Dec 05 05:35:15.069 INFO [stderr] 
Dec 05 05:35:15.069 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:35:15.069 INFO [stderr]    --> src/solver.rs:156:13
Dec 05 05:35:15.069 INFO [stderr]     |
Dec 05 05:35:15.069 INFO [stderr] 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Dec 05 05:35:15.069 INFO [stderr]     |             ----^^^^
Dec 05 05:35:15.069 INFO [stderr]     |             |
Dec 05 05:35:15.069 INFO [stderr]     |             help: remove this `mut`
Dec 05 05:35:15.069 INFO [stderr] 
Dec 05 05:35:16.100 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
Dec 05 05:35:16.103 INFO [stderr] su: No module specific data is present
Dec 05 05:35:16.478 INFO running `"docker" "inspect" "9d05f1a1ae07b1deb030958518bed3d2908a0135bccd62f15747998129118141"`
Dec 05 05:35:16.595 INFO running `"docker" "rm" "-f" "9d05f1a1ae07b1deb030958518bed3d2908a0135bccd62f15747998129118141"`
Dec 05 05:35:16.686 INFO [stdout] 9d05f1a1ae07b1deb030958518bed3d2908a0135bccd62f15747998129118141
Dec 05 05:35:16.688 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05:35:16.910 INFO [stdout] 0606ac99f4af78e9481b27f6dfbed3d5f5648c1f05ba8e0e944756902a9ef364
Dec 05 05:35:16.914 INFO running `"docker" "start" "-a" "0606ac99f4af78e9481b27f6dfbed3d5f5648c1f05ba8e0e944756902a9ef364"`
Dec 05 05:35:17.463 INFO [stderr] usermod: no changes
Dec 05 05:35:17.505 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 05 05:35:17.506 INFO [stderr]      Running /target/debug/deps/boggler-96f39e1dcba8ceb7
Dec 05 05:35:17.509 INFO [stdout] 
Dec 05 05:35:17.509 INFO [stdout] running 16 tests
Dec 05 05:35:17.515 INFO [stdout] test board::test::test_adjacents_right_side ... ok
Dec 05 05:35:17.515 INFO [stdout] test board::test::test_adjacents_middle ... ok
Dec 05 05:35:17.515 INFO [stdout] test board::test::test_adjacents_left_side ... ok
Dec 05 05:35:17.525 INFO [stdout] test board::test::test_adjacents_top ... ok
Dec 05 05:35:17.525 INFO [stdout] test board::test::test_adjacents_bottom ... ok
Dec 05 05:35:17.525 INFO [stdout] test solver::test::count_word_u_no_q ... ok
Dec 05 05:35:17.525 INFO [stdout] test board::test::test_adjacents_upper_right_corner ... ok
Dec 05 05:35:17.525 INFO [stdout] test solver::test::count_word_no_q ... ok
Dec 05 05:35:17.525 INFO [stdout] test board::test::test_adjacents_upper_left_corner ... ok
Dec 05 05:35:17.525 INFO [stdout] test solver::test::count_word_q ... ok
Dec 05 05:35:17.526 INFO [stdout] test solver::test::prepare_word_lowercase ... ok
Dec 05 05:35:17.527 INFO [stdout] test solver::test::two_new_words ... ok
Dec 05 05:35:17.527 INFO [stdout] test solver::test::new_empty ... ok
Dec 05 05:35:17.527 INFO [stdout] test solver::test::new_one_word ... ok
Dec 05 05:35:17.527 INFO [stdout] test solver::test::find_letter ... ok
Dec 05 05:35:17.527 INFO [stdout] test solver::test::find ... ok
Dec 05 05:35:17.527 INFO [stdout] 
Dec 05 05:35:17.527 INFO [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 05:35:17.527 INFO [stdout] 
Dec 05 05:35:17.529 INFO [stderr]      Running /target/debug/deps/boggler-5afda4f57ce43b5f
Dec 05 05:35:17.534 INFO [stdout] 
Dec 05 05:35:17.534 INFO [stdout] running 0 tests
Dec 05 05:35:17.534 INFO [stdout] 
Dec 05 05:35:17.534 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 05:35:17.534 INFO [stdout] 
Dec 05 05:35:17.535 INFO [stderr]    Doc-tests boggler
Dec 05 05:35:17.746 INFO [stdout] 
Dec 05 05:35:17.746 INFO [stdout] running 0 tests
Dec 05 05:35:17.746 INFO [stdout] 
Dec 05 05:35:17.746 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 05:35:17.746 INFO [stdout] 
Dec 05 05:35:17.757 INFO [stderr] su: No module specific data is present
Dec 05 05:35:18.102 INFO running `"docker" "inspect" "0606ac99f4af78e9481b27f6dfbed3d5f5648c1f05ba8e0e944756902a9ef364"`
Dec 05 05:35:18.218 INFO running `"docker" "rm" "-f" "0606ac99f4af78e9481b27f6dfbed3d5f5648c1f05ba8e0e944756902a9ef364"`
Dec 05 05:35:18.358 INFO [stdout] 0606ac99f4af78e9481b27f6dfbed3d5f5648c1f05ba8e0e944756902a9ef364