Nov 29 17:08:02.229 INFO checking swizzard/boggler against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 17:08:02.229 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 17:08:02.692 INFO [stdout] 953c55be4822e52a19fad5e498269914730000271edd719cab595250dbd87a87
Nov 29 17:08:02.694 INFO running `"docker" "start" "-a" "953c55be4822e52a19fad5e498269914730000271edd719cab595250dbd87a87"`
Nov 29 17:08:03.844 INFO [stderr] usermod: no changes
Nov 29 17:08:03.996 INFO [stderr]     Checking ascii v0.8.7
Nov 29 17:08:04.004 INFO [stderr]     Checking rand v0.5.1
Nov 29 17:08:06.578 INFO [stderr]     Checking boggler v0.1.0 (/source)
Nov 29 17:08:07.076 INFO [stderr] warning: unused variable: `seen`
Nov 29 17:08:07.080 INFO [stderr]    --> src/solver.rs:156:17
Nov 29 17:08:07.080 INFO [stderr]     |
Nov 29 17:08:07.080 INFO [stderr] 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Nov 29 17:08:07.080 INFO [stderr]     |                 ^^^^ help: consider using `_seen` instead
Nov 29 17:08:07.080 INFO [stderr]     |
Nov 29 17:08:07.080 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 29 17:08:07.080 INFO [stderr] 
Nov 29 17:08:07.080 INFO [stderr] warning: unused variable: `adjcts`
Nov 29 17:08:07.080 INFO [stderr]    --> src/solver.rs:158:17
Nov 29 17:08:07.080 INFO [stderr]     |
Nov 29 17:08:07.080 INFO [stderr] 158 |             let adjcts = board.adjacents(x, y);
Nov 29 17:08:07.080 INFO [stderr]     |                 ^^^^^^ help: consider using `_adjcts` instead
Nov 29 17:08:07.080 INFO [stderr] 
Nov 29 17:08:07.128 INFO [stderr] warning: variable does not need to be mutable
Nov 29 17:08:07.128 INFO [stderr]    --> src/solver.rs:154:13
Nov 29 17:08:07.128 INFO [stderr]     |
Nov 29 17:08:07.128 INFO [stderr] 154 |         let mut x = 0;
Nov 29 17:08:07.128 INFO [stderr]     |             ----^
Nov 29 17:08:07.128 INFO [stderr]     |             |
Nov 29 17:08:07.128 INFO [stderr]     |             help: remove this `mut`
Nov 29 17:08:07.128 INFO [stderr]     |
Nov 29 17:08:07.128 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 17:08:07.128 INFO [stderr] 
Nov 29 17:08:07.128 INFO [stderr] warning: variable does not need to be mutable
Nov 29 17:08:07.128 INFO [stderr]    --> src/solver.rs:155:13
Nov 29 17:08:07.128 INFO [stderr]     |
Nov 29 17:08:07.128 INFO [stderr] 155 |         let mut y = 0;
Nov 29 17:08:07.128 INFO [stderr]     |             ----^
Nov 29 17:08:07.128 INFO [stderr]     |             |
Nov 29 17:08:07.128 INFO [stderr]     |             help: remove this `mut`
Nov 29 17:08:07.129 INFO [stderr] 
Nov 29 17:08:07.129 INFO [stderr] warning: variable does not need to be mutable
Nov 29 17:08:07.129 INFO [stderr]    --> src/solver.rs:156:13
Nov 29 17:08:07.129 INFO [stderr]     |
Nov 29 17:08:07.129 INFO [stderr] 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Nov 29 17:08:07.129 INFO [stderr]     |             ----^^^^
Nov 29 17:08:07.129 INFO [stderr]     |             |
Nov 29 17:08:07.129 INFO [stderr]     |             help: remove this `mut`
Nov 29 17:08:07.129 INFO [stderr] 
Nov 29 17:08:07.132 INFO [stderr] warning: method is never used: `find_letter`
Nov 29 17:08:07.132 INFO [stderr]    --> src/solver.rs:149:5
Nov 29 17:08:07.132 INFO [stderr]     |
Nov 29 17:08:07.132 INFO [stderr] 149 |     fn find_letter(&self, chr: &AsciiChar) -> Option<&BTNode> {
Nov 29 17:08:07.132 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:08:07.132 INFO [stderr]     |
Nov 29 17:08:07.132 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 29 17:08:07.132 INFO [stderr] 
Nov 29 17:08:07.872 INFO [stderr] warning: unused variable: `seen`
Nov 29 17:08:07.872 INFO [stderr]    --> src/solver.rs:156:17
Nov 29 17:08:07.872 INFO [stderr]     |
Nov 29 17:08:07.873 INFO [stderr] 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Nov 29 17:08:07.873 INFO [stderr]     |                 ^^^^ help: consider using `_seen` instead
Nov 29 17:08:07.873 INFO [stderr]     |
Nov 29 17:08:07.873 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 29 17:08:07.873 INFO [stderr] 
Nov 29 17:08:07.873 INFO [stderr] warning: unused variable: `adjcts`
Nov 29 17:08:07.873 INFO [stderr]    --> src/solver.rs:158:17
Nov 29 17:08:07.873 INFO [stderr]     |
Nov 29 17:08:07.873 INFO [stderr] 158 |             let adjcts = board.adjacents(x, y);
Nov 29 17:08:07.873 INFO [stderr]     |                 ^^^^^^ help: consider using `_adjcts` instead
Nov 29 17:08:07.873 INFO [stderr] 
Nov 29 17:08:08.076 INFO [stderr] warning: variable does not need to be mutable
Nov 29 17:08:08.076 INFO [stderr]    --> src/solver.rs:154:13
Nov 29 17:08:08.076 INFO [stderr]     |
Nov 29 17:08:08.076 INFO [stderr] 154 |         let mut x = 0;
Nov 29 17:08:08.076 INFO [stderr]     |             ----^
Nov 29 17:08:08.076 INFO [stderr]     |             |
Nov 29 17:08:08.076 INFO [stderr]     |             help: remove this `mut`
Nov 29 17:08:08.076 INFO [stderr]     |
Nov 29 17:08:08.076 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 17:08:08.076 INFO [stderr] 
Nov 29 17:08:08.080 INFO [stderr] warning: variable does not need to be mutable
Nov 29 17:08:08.080 INFO [stderr]    --> src/solver.rs:155:13
Nov 29 17:08:08.080 INFO [stderr]     |
Nov 29 17:08:08.080 INFO [stderr] 155 |         let mut y = 0;
Nov 29 17:08:08.080 INFO [stderr]     |             ----^
Nov 29 17:08:08.080 INFO [stderr]     |             |
Nov 29 17:08:08.080 INFO [stderr]     |             help: remove this `mut`
Nov 29 17:08:08.080 INFO [stderr] 
Nov 29 17:08:08.080 INFO [stderr] warning: variable does not need to be mutable
Nov 29 17:08:08.080 INFO [stderr]    --> src/solver.rs:156:13
Nov 29 17:08:08.080 INFO [stderr]     |
Nov 29 17:08:08.080 INFO [stderr] 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Nov 29 17:08:08.080 INFO [stderr]     |             ----^^^^
Nov 29 17:08:08.080 INFO [stderr]     |             |
Nov 29 17:08:08.080 INFO [stderr]     |             help: remove this `mut`
Nov 29 17:08:08.080 INFO [stderr] 
Nov 29 17:08:08.268 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.37s
Nov 29 17:08:08.272 INFO [stderr] su: No module specific data is present
Nov 29 17:08:09.348 INFO running `"docker" "inspect" "953c55be4822e52a19fad5e498269914730000271edd719cab595250dbd87a87"`
Nov 29 17:08:09.640 INFO running `"docker" "rm" "-f" "953c55be4822e52a19fad5e498269914730000271edd719cab595250dbd87a87"`
Nov 29 17:08:10.020 INFO [stdout] 953c55be4822e52a19fad5e498269914730000271edd719cab595250dbd87a87