Nov 27 19:17:59.503 INFO checking swizzard/boggler against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 27 19:17:59.505 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-alt check --frozen --all --all-targets" "-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"`
Nov 27 19:18:00.005 INFO [stdout] 93a30aec317d63b766198a06c35358da99e6810e34b78aaebdffd2f7b4780415
Nov 27 19:18:00.008 INFO running `"docker" "start" "-a" "93a30aec317d63b766198a06c35358da99e6810e34b78aaebdffd2f7b4780415"`
Nov 27 19:18:02.764 INFO [stderr] usermod: no changes
Nov 27 19:18:02.852 INFO [stderr]     Checking ascii v0.8.7
Nov 27 19:18:02.852 INFO [stderr]     Checking rand v0.5.1
Nov 27 19:18:06.073 INFO [stderr]     Checking boggler v0.1.0 (/source)
Nov 27 19:18:06.572 INFO [stderr] warning: unused variable: `seen`
Nov 27 19:18:06.572 INFO [stderr]    --> src/solver.rs:156:17
Nov 27 19:18:06.572 INFO [stderr]     |
Nov 27 19:18:06.572 INFO [stderr] 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Nov 27 19:18:06.572 INFO [stderr]     |                 ^^^^ help: consider using `_seen` instead
Nov 27 19:18:06.572 INFO [stderr]     |
Nov 27 19:18:06.572 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 27 19:18:06.572 INFO [stderr] 
Nov 27 19:18:06.572 INFO [stderr] warning: unused variable: `adjcts`
Nov 27 19:18:06.572 INFO [stderr]    --> src/solver.rs:158:17
Nov 27 19:18:06.572 INFO [stderr]     |
Nov 27 19:18:06.572 INFO [stderr] 158 |             let adjcts = board.adjacents(x, y);
Nov 27 19:18:06.572 INFO [stderr]     |                 ^^^^^^ help: consider using `_adjcts` instead
Nov 27 19:18:06.572 INFO [stderr] 
Nov 27 19:18:06.632 INFO [stderr] warning: variable does not need to be mutable
Nov 27 19:18:06.632 INFO [stderr]    --> src/solver.rs:154:13
Nov 27 19:18:06.632 INFO [stderr]     |
Nov 27 19:18:06.632 INFO [stderr] 154 |         let mut x = 0;
Nov 27 19:18:06.632 INFO [stderr]     |             ----^
Nov 27 19:18:06.632 INFO [stderr]     |             |
Nov 27 19:18:06.632 INFO [stderr]     |             help: remove this `mut`
Nov 27 19:18:06.632 INFO [stderr]     |
Nov 27 19:18:06.632 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 27 19:18:06.632 INFO [stderr] 
Nov 27 19:18:06.632 INFO [stderr] warning: variable does not need to be mutable
Nov 27 19:18:06.632 INFO [stderr]    --> src/solver.rs:155:13
Nov 27 19:18:06.632 INFO [stderr]     |
Nov 27 19:18:06.632 INFO [stderr] 155 |         let mut y = 0;
Nov 27 19:18:06.632 INFO [stderr]     |             ----^
Nov 27 19:18:06.632 INFO [stderr]     |             |
Nov 27 19:18:06.632 INFO [stderr]     |             help: remove this `mut`
Nov 27 19:18:06.632 INFO [stderr] 
Nov 27 19:18:06.632 INFO [stderr] warning: variable does not need to be mutable
Nov 27 19:18:06.632 INFO [stderr]    --> src/solver.rs:156:13
Nov 27 19:18:06.632 INFO [stderr]     |
Nov 27 19:18:06.632 INFO [stderr] 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Nov 27 19:18:06.632 INFO [stderr]     |             ----^^^^
Nov 27 19:18:06.632 INFO [stderr]     |             |
Nov 27 19:18:06.632 INFO [stderr]     |             help: remove this `mut`
Nov 27 19:18:06.632 INFO [stderr] 
Nov 27 19:18:06.644 INFO [stderr] warning: method is never used: `find_letter`
Nov 27 19:18:06.645 INFO [stderr]    --> src/solver.rs:149:5
Nov 27 19:18:06.645 INFO [stderr]     |
Nov 27 19:18:06.645 INFO [stderr] 149 |     fn find_letter(&self, chr: &AsciiChar) -> Option<&BTNode> {
Nov 27 19:18:06.645 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 19:18:06.645 INFO [stderr]     |
Nov 27 19:18:06.646 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 27 19:18:06.646 INFO [stderr] 
Nov 27 19:18:06.961 INFO [stderr] warning: unused variable: `seen`
Nov 27 19:18:06.961 INFO [stderr]    --> src/solver.rs:156:17
Nov 27 19:18:06.961 INFO [stderr]     |
Nov 27 19:18:06.962 INFO [stderr] 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Nov 27 19:18:06.962 INFO [stderr]     |                 ^^^^ help: consider using `_seen` instead
Nov 27 19:18:06.962 INFO [stderr]     |
Nov 27 19:18:06.963 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 27 19:18:06.963 INFO [stderr] 
Nov 27 19:18:06.963 INFO [stderr] warning: unused variable: `adjcts`
Nov 27 19:18:06.963 INFO [stderr]    --> src/solver.rs:158:17
Nov 27 19:18:06.964 INFO [stderr]     |
Nov 27 19:18:06.964 INFO [stderr] 158 |             let adjcts = board.adjacents(x, y);
Nov 27 19:18:06.964 INFO [stderr]     |                 ^^^^^^ help: consider using `_adjcts` instead
Nov 27 19:18:06.965 INFO [stderr] 
Nov 27 19:18:07.025 INFO [stderr] warning: variable does not need to be mutable
Nov 27 19:18:07.025 INFO [stderr]    --> src/solver.rs:154:13
Nov 27 19:18:07.026 INFO [stderr]     |
Nov 27 19:18:07.026 INFO [stderr] 154 |         let mut x = 0;
Nov 27 19:18:07.026 INFO [stderr]     |             ----^
Nov 27 19:18:07.026 INFO [stderr]     |             |
Nov 27 19:18:07.027 INFO [stderr]     |             help: remove this `mut`
Nov 27 19:18:07.027 INFO [stderr]     |
Nov 27 19:18:07.027 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 27 19:18:07.027 INFO [stderr] 
Nov 27 19:18:07.028 INFO [stderr] warning: variable does not need to be mutable
Nov 27 19:18:07.028 INFO [stderr]    --> src/solver.rs:155:13
Nov 27 19:18:07.028 INFO [stderr]     |
Nov 27 19:18:07.029 INFO [stderr] 155 |         let mut y = 0;
Nov 27 19:18:07.029 INFO [stderr]     |             ----^
Nov 27 19:18:07.029 INFO [stderr]     |             |
Nov 27 19:18:07.029 INFO [stderr]     |             help: remove this `mut`
Nov 27 19:18:07.029 INFO [stderr] 
Nov 27 19:18:07.030 INFO [stderr] warning: variable does not need to be mutable
Nov 27 19:18:07.030 INFO [stderr]    --> src/solver.rs:156:13
Nov 27 19:18:07.030 INFO [stderr]     |
Nov 27 19:18:07.031 INFO [stderr] 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Nov 27 19:18:07.031 INFO [stderr]     |             ----^^^^
Nov 27 19:18:07.031 INFO [stderr]     |             |
Nov 27 19:18:07.031 INFO [stderr]     |             help: remove this `mut`
Nov 27 19:18:07.032 INFO [stderr] 
Nov 27 19:18:07.537 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.75s
Nov 27 19:18:07.552 INFO [stderr] su: No module specific data is present
Nov 27 19:18:08.575 INFO running `"docker" "inspect" "93a30aec317d63b766198a06c35358da99e6810e34b78aaebdffd2f7b4780415"`
Nov 27 19:18:08.853 INFO running `"docker" "rm" "-f" "93a30aec317d63b766198a06c35358da99e6810e34b78aaebdffd2f7b4780415"`
Nov 27 19:18:09.133 INFO [stdout] 93a30aec317d63b766198a06c35358da99e6810e34b78aaebdffd2f7b4780415