Nov 29 17:08:01.865 INFO checking swizzard/boggler against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 17:08:01.865 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 29 17:08:02.176 INFO [stdout] 83717d7438ca05b168d4ffbd0910246c9d664837791a71a8eb82dac2b1a6f981
Nov 29 17:08:02.182 INFO running `"docker" "start" "-a" "83717d7438ca05b168d4ffbd0910246c9d664837791a71a8eb82dac2b1a6f981"`
Nov 29 17:08:03.000 INFO [stderr] usermod: no changes
Nov 29 17:08:03.080 INFO [stderr]     Checking rand v0.5.1
Nov 29 17:08:05.299 INFO [stderr]     Checking boggler v0.1.0 (/source)
Nov 29 17:08:05.856 INFO [stderr] warning: unused variable: `seen`
Nov 29 17:08:05.856 INFO [stderr]    --> src/solver.rs:156:17
Nov 29 17:08:05.856 INFO [stderr]     |
Nov 29 17:08:05.856 INFO [stderr] 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Nov 29 17:08:05.856 INFO [stderr]     |                 ^^^^ help: consider using `_seen` instead
Nov 29 17:08:05.856 INFO [stderr]     |
Nov 29 17:08:05.856 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 29 17:08:05.856 INFO [stderr] 
Nov 29 17:08:05.856 INFO [stderr] warning: unused variable: `adjcts`
Nov 29 17:08:05.856 INFO [stderr]    --> src/solver.rs:158:17
Nov 29 17:08:05.856 INFO [stderr]     |
Nov 29 17:08:05.856 INFO [stderr] 158 |             let adjcts = board.adjacents(x, y);
Nov 29 17:08:05.856 INFO [stderr]     |                 ^^^^^^ help: consider using `_adjcts` instead
Nov 29 17:08:05.856 INFO [stderr] 
Nov 29 17:08:05.916 INFO [stderr] warning: unused variable: `seen`
Nov 29 17:08:05.916 INFO [stderr]    --> src/solver.rs:156:17
Nov 29 17:08:05.916 INFO [stderr]     |
Nov 29 17:08:05.916 INFO [stderr] 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Nov 29 17:08:05.916 INFO [stderr]     |                 ^^^^ help: consider using `_seen` instead
Nov 29 17:08:05.916 INFO [stderr]     |
Nov 29 17:08:05.916 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 29 17:08:05.916 INFO [stderr] 
Nov 29 17:08:05.916 INFO [stderr] warning: unused variable: `adjcts`
Nov 29 17:08:05.916 INFO [stderr]    --> src/solver.rs:158:17
Nov 29 17:08:05.916 INFO [stderr]     |
Nov 29 17:08:05.916 INFO [stderr] 158 |             let adjcts = board.adjacents(x, y);
Nov 29 17:08:05.916 INFO [stderr]     |                 ^^^^^^ help: consider using `_adjcts` instead
Nov 29 17:08:05.916 INFO [stderr] 
Nov 29 17:08:05.956 INFO [stderr] warning: variable does not need to be mutable
Nov 29 17:08:05.956 INFO [stderr]    --> src/solver.rs:154:13
Nov 29 17:08:05.956 INFO [stderr]     |
Nov 29 17:08:05.956 INFO [stderr] 154 |         let mut x = 0;
Nov 29 17:08:05.956 INFO [stderr]     |             ----^
Nov 29 17:08:05.956 INFO [stderr]     |             |
Nov 29 17:08:05.956 INFO [stderr]     |             help: remove this `mut`
Nov 29 17:08:05.956 INFO [stderr]     |
Nov 29 17:08:05.956 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 17:08:05.956 INFO [stderr] 
Nov 29 17:08:05.956 INFO [stderr] warning: variable does not need to be mutable
Nov 29 17:08:05.956 INFO [stderr]    --> src/solver.rs:155:13
Nov 29 17:08:05.956 INFO [stderr]     |
Nov 29 17:08:05.956 INFO [stderr] 155 |         let mut y = 0;
Nov 29 17:08:05.956 INFO [stderr]     |             ----^
Nov 29 17:08:05.956 INFO [stderr]     |             |
Nov 29 17:08:05.956 INFO [stderr]     |             help: remove this `mut`
Nov 29 17:08:05.956 INFO [stderr] 
Nov 29 17:08:05.956 INFO [stderr] warning: variable does not need to be mutable
Nov 29 17:08:05.956 INFO [stderr]    --> src/solver.rs:156:13
Nov 29 17:08:05.956 INFO [stderr]     |
Nov 29 17:08:05.957 INFO [stderr] 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Nov 29 17:08:05.957 INFO [stderr]     |             ----^^^^
Nov 29 17:08:05.957 INFO [stderr]     |             |
Nov 29 17:08:05.957 INFO [stderr]     |             help: remove this `mut`
Nov 29 17:08:05.957 INFO [stderr] 
Nov 29 17:08:05.968 INFO [stderr] warning: variable does not need to be mutable
Nov 29 17:08:05.968 INFO [stderr]    --> src/solver.rs:154:13
Nov 29 17:08:05.968 INFO [stderr]     |
Nov 29 17:08:05.968 INFO [stderr] 154 |         let mut x = 0;
Nov 29 17:08:05.968 INFO [stderr]     |             ----^
Nov 29 17:08:05.968 INFO [stderr]     |             |
Nov 29 17:08:05.968 INFO [stderr]     |             help: remove this `mut`
Nov 29 17:08:05.968 INFO [stderr]     |
Nov 29 17:08:05.968 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 17:08:05.968 INFO [stderr] 
Nov 29 17:08:05.968 INFO [stderr] warning: variable does not need to be mutable
Nov 29 17:08:05.968 INFO [stderr]    --> src/solver.rs:155:13
Nov 29 17:08:05.968 INFO [stderr]     |
Nov 29 17:08:05.968 INFO [stderr] 155 |         let mut y = 0;
Nov 29 17:08:05.968 INFO [stderr]     |             ----^
Nov 29 17:08:05.968 INFO [stderr]     |             |
Nov 29 17:08:05.968 INFO [stderr]     |             help: remove this `mut`
Nov 29 17:08:05.968 INFO [stderr] 
Nov 29 17:08:05.968 INFO [stderr] warning: variable does not need to be mutable
Nov 29 17:08:05.968 INFO [stderr]    --> src/solver.rs:156:13
Nov 29 17:08:05.968 INFO [stderr]     |
Nov 29 17:08:05.968 INFO [stderr] 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Nov 29 17:08:05.969 INFO [stderr]     |             ----^^^^
Nov 29 17:08:05.969 INFO [stderr]     |             |
Nov 29 17:08:05.969 INFO [stderr]     |             help: remove this `mut`
Nov 29 17:08:05.969 INFO [stderr] 
Nov 29 17:08:05.969 INFO [stderr] warning: method is never used: `find_letter`
Nov 29 17:08:05.969 INFO [stderr]    --> src/solver.rs:149:5
Nov 29 17:08:05.969 INFO [stderr]     |
Nov 29 17:08:05.969 INFO [stderr] 149 |     fn find_letter(&self, chr: &AsciiChar) -> Option<&BTNode> {
Nov 29 17:08:05.969 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:08:05.969 INFO [stderr]     |
Nov 29 17:08:05.972 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 29 17:08:05.972 INFO [stderr] 
Nov 29 17:08:06.557 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.54s
Nov 29 17:08:06.561 INFO [stderr] su: No module specific data is present
Nov 29 17:08:07.646 INFO running `"docker" "inspect" "83717d7438ca05b168d4ffbd0910246c9d664837791a71a8eb82dac2b1a6f981"`
Nov 29 17:08:07.896 INFO running `"docker" "rm" "-f" "83717d7438ca05b168d4ffbd0910246c9d664837791a71a8eb82dac2b1a6f981"`
Nov 29 17:08:08.232 INFO [stdout] 83717d7438ca05b168d4ffbd0910246c9d664837791a71a8eb82dac2b1a6f981