Oct 31 20:09:59.510 INFO checking swizzard/boggler against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Oct 31 20:09:59.510 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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"`
Oct 31 20:10:00.005 INFO blam! b74f7ee0c44ac18db78828f45231c3b4899f20fcc867101235a5b1bdabb8a18f
Oct 31 20:10:00.008 INFO running `"docker" "start" "-a" "b74f7ee0c44ac18db78828f45231c3b4899f20fcc867101235a5b1bdabb8a18f"`
Oct 31 20:10:01.907 INFO kablam! usermod: no changes
Oct 31 20:10:02.020 INFO kablam!     Checking ascii v0.8.7
Oct 31 20:10:02.020 INFO kablam!     Checking rand v0.5.1
Oct 31 20:10:02.028 INFO kablam!     Checking clap v2.31.2
Oct 31 20:10:07.928 INFO kablam!     Checking boggler v0.1.0 (/source)
Oct 31 20:10:08.394 INFO kablam! warning: unused variable: `seen`
Oct 31 20:10:08.395 INFO kablam!    --> src/solver.rs:156:17
Oct 31 20:10:08.395 INFO kablam!     |
Oct 31 20:10:08.395 INFO kablam! 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Oct 31 20:10:08.395 INFO kablam!     |                 ^^^^ help: consider using `_seen` instead
Oct 31 20:10:08.401 INFO kablam!     |
Oct 31 20:10:08.402 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 31 20:10:08.402 INFO kablam! 
Oct 31 20:10:08.402 INFO kablam! warning: unused variable: `adjcts`
Oct 31 20:10:08.403 INFO kablam!    --> src/solver.rs:158:17
Oct 31 20:10:08.403 INFO kablam!     |
Oct 31 20:10:08.403 INFO kablam! 158 |             let adjcts = board.adjacents(x, y);
Oct 31 20:10:08.404 INFO kablam!     |                 ^^^^^^ help: consider using `_adjcts` instead
Oct 31 20:10:08.404 INFO kablam! 
Oct 31 20:10:08.438 INFO kablam! warning: unused variable: `seen`
Oct 31 20:10:08.438 INFO kablam!    --> src/solver.rs:156:17
Oct 31 20:10:08.439 INFO kablam!     |
Oct 31 20:10:08.439 INFO kablam! 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Oct 31 20:10:08.439 INFO kablam!     |                 ^^^^ help: consider using `_seen` instead
Oct 31 20:10:08.439 INFO kablam!     |
Oct 31 20:10:08.440 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 31 20:10:08.440 INFO kablam! 
Oct 31 20:10:08.440 INFO kablam! warning: unused variable: `adjcts`
Oct 31 20:10:08.441 INFO kablam!    --> src/solver.rs:158:17
Oct 31 20:10:08.441 INFO kablam!     |
Oct 31 20:10:08.441 INFO kablam! 158 |             let adjcts = board.adjacents(x, y);
Oct 31 20:10:08.441 INFO kablam!     |                 ^^^^^^ help: consider using `_adjcts` instead
Oct 31 20:10:08.442 INFO kablam! 
Oct 31 20:10:08.442 INFO kablam! warning: variable does not need to be mutable
Oct 31 20:10:08.442 INFO kablam!    --> src/solver.rs:154:13
Oct 31 20:10:08.443 INFO kablam!     |
Oct 31 20:10:08.443 INFO kablam! 154 |         let mut x = 0;
Oct 31 20:10:08.443 INFO kablam!     |             ----^
Oct 31 20:10:08.443 INFO kablam!     |             |
Oct 31 20:10:08.444 INFO kablam!     |             help: remove this `mut`
Oct 31 20:10:08.444 INFO kablam!     |
Oct 31 20:10:08.444 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 31 20:10:08.445 INFO kablam! 
Oct 31 20:10:08.445 INFO kablam! warning: variable does not need to be mutable
Oct 31 20:10:08.445 INFO kablam!    --> src/solver.rs:155:13
Oct 31 20:10:08.446 INFO kablam!     |
Oct 31 20:10:08.446 INFO kablam! 155 |         let mut y = 0;
Oct 31 20:10:08.446 INFO kablam!     |             ----^
Oct 31 20:10:08.447 INFO kablam!     |             |
Oct 31 20:10:08.447 INFO kablam!     |             help: remove this `mut`
Oct 31 20:10:08.447 INFO kablam! 
Oct 31 20:10:08.448 INFO kablam! warning: variable does not need to be mutable
Oct 31 20:10:08.448 INFO kablam!    --> src/solver.rs:156:13
Oct 31 20:10:08.448 INFO kablam!     |
Oct 31 20:10:08.452 INFO kablam! 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Oct 31 20:10:08.453 INFO kablam!     |             ----^^^^
Oct 31 20:10:08.453 INFO kablam!     |             |
Oct 31 20:10:08.453 INFO kablam!     |             help: remove this `mut`
Oct 31 20:10:08.453 INFO kablam! 
Oct 31 20:10:08.454 INFO kablam! warning: method is never used: `find_letter`
Oct 31 20:10:08.454 INFO kablam!    --> src/solver.rs:149:5
Oct 31 20:10:08.455 INFO kablam!     |
Oct 31 20:10:08.455 INFO kablam! 149 |     fn find_letter(&self, chr: &AsciiChar) -> Option<&BTNode> {
Oct 31 20:10:08.455 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:10:08.455 INFO kablam!     |
Oct 31 20:10:08.456 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 31 20:10:08.456 INFO kablam! 
Oct 31 20:10:08.500 INFO kablam! warning: variable does not need to be mutable
Oct 31 20:10:08.501 INFO kablam!    --> src/solver.rs:154:13
Oct 31 20:10:08.501 INFO kablam!     |
Oct 31 20:10:08.501 INFO kablam! 154 |         let mut x = 0;
Oct 31 20:10:08.502 INFO kablam!     |             ----^
Oct 31 20:10:08.502 INFO kablam!     |             |
Oct 31 20:10:08.502 INFO kablam!     |             help: remove this `mut`
Oct 31 20:10:08.503 INFO kablam!     |
Oct 31 20:10:08.503 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 31 20:10:08.503 INFO kablam! 
Oct 31 20:10:08.503 INFO kablam! warning: variable does not need to be mutable
Oct 31 20:10:08.504 INFO kablam!    --> src/solver.rs:155:13
Oct 31 20:10:08.504 INFO kablam!     |
Oct 31 20:10:08.504 INFO kablam! 155 |         let mut y = 0;
Oct 31 20:10:08.505 INFO kablam!     |             ----^
Oct 31 20:10:08.505 INFO kablam!     |             |
Oct 31 20:10:08.505 INFO kablam!     |             help: remove this `mut`
Oct 31 20:10:08.506 INFO kablam! 
Oct 31 20:10:08.506 INFO kablam! warning: variable does not need to be mutable
Oct 31 20:10:08.506 INFO kablam!    --> src/solver.rs:156:13
Oct 31 20:10:08.506 INFO kablam!     |
Oct 31 20:10:08.507 INFO kablam! 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Oct 31 20:10:08.507 INFO kablam!     |             ----^^^^
Oct 31 20:10:08.507 INFO kablam!     |             |
Oct 31 20:10:08.508 INFO kablam!     |             help: remove this `mut`
Oct 31 20:10:08.508 INFO kablam! 
Oct 31 20:10:08.916 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.97s
Oct 31 20:10:08.917 INFO kablam! su: No module specific data is present
Oct 31 20:10:09.458 INFO running `"docker" "rm" "-f" "b74f7ee0c44ac18db78828f45231c3b4899f20fcc867101235a5b1bdabb8a18f"`
Oct 31 20:10:09.674 INFO blam! b74f7ee0c44ac18db78828f45231c3b4899f20fcc867101235a5b1bdabb8a18f