Nov 27 19:17:56.359 INFO checking swizzard/boggler against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 19:17:56.361 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-1/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 19:17:56.788 INFO [stdout] a7c67769c87b2de494837adab569d8fdccbc254ec34a44b147eb9e755571aa9b
Nov 27 19:17:56.796 INFO running `"docker" "start" "-a" "a7c67769c87b2de494837adab569d8fdccbc254ec34a44b147eb9e755571aa9b"`
Nov 27 19:17:57.960 INFO [stderr] usermod: no changes
Nov 27 19:17:58.112 INFO [stderr]     Checking textwrap v0.9.0
Nov 27 19:17:58.112 INFO [stderr]     Checking rand v0.5.1
Nov 27 19:17:58.904 INFO [stderr]     Checking clap v2.31.2
Nov 27 19:18:05.260 INFO [stderr]     Checking boggler v0.1.0 (/source)
Nov 27 19:18:05.957 INFO [stderr] warning: unused variable: `seen`
Nov 27 19:18:05.958 INFO [stderr]    --> src/solver.rs:156:17
Nov 27 19:18:05.958 INFO [stderr]     |
Nov 27 19:18:05.958 INFO [stderr] 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Nov 27 19:18:05.959 INFO [stderr]     |                 ^^^^ help: consider using `_seen` instead
Nov 27 19:18:05.959 INFO [stderr]     |
Nov 27 19:18:05.959 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 27 19:18:05.960 INFO [stderr] 
Nov 27 19:18:05.960 INFO [stderr] warning: unused variable: `adjcts`
Nov 27 19:18:05.960 INFO [stderr]    --> src/solver.rs:158:17
Nov 27 19:18:05.961 INFO [stderr]     |
Nov 27 19:18:05.961 INFO [stderr] 158 |             let adjcts = board.adjacents(x, y);
Nov 27 19:18:05.961 INFO [stderr]     |                 ^^^^^^ help: consider using `_adjcts` instead
Nov 27 19:18:05.962 INFO [stderr] 
Nov 27 19:18:06.042 INFO [stderr] warning: variable does not need to be mutable
Nov 27 19:18:06.043 INFO [stderr]    --> src/solver.rs:154:13
Nov 27 19:18:06.043 INFO [stderr]     |
Nov 27 19:18:06.043 INFO [stderr] 154 |         let mut x = 0;
Nov 27 19:18:06.044 INFO [stderr]     |             ----^
Nov 27 19:18:06.044 INFO [stderr]     |             |
Nov 27 19:18:06.044 INFO [stderr]     |             help: remove this `mut`
Nov 27 19:18:06.045 INFO [stderr]     |
Nov 27 19:18:06.045 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 27 19:18:06.045 INFO [stderr] 
Nov 27 19:18:06.045 INFO [stderr] warning: variable does not need to be mutable
Nov 27 19:18:06.046 INFO [stderr]    --> src/solver.rs:155:13
Nov 27 19:18:06.046 INFO [stderr]     |
Nov 27 19:18:06.046 INFO [stderr] 155 |         let mut y = 0;
Nov 27 19:18:06.047 INFO [stderr]     |             ----^
Nov 27 19:18:06.047 INFO [stderr]     |             |
Nov 27 19:18:06.047 INFO [stderr]     |             help: remove this `mut`
Nov 27 19:18:06.047 INFO [stderr] 
Nov 27 19:18:06.048 INFO [stderr] warning: variable does not need to be mutable
Nov 27 19:18:06.048 INFO [stderr]    --> src/solver.rs:156:13
Nov 27 19:18:06.048 INFO [stderr]     |
Nov 27 19:18:06.049 INFO [stderr] 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Nov 27 19:18:06.049 INFO [stderr]     |             ----^^^^
Nov 27 19:18:06.049 INFO [stderr]     |             |
Nov 27 19:18:06.050 INFO [stderr]     |             help: remove this `mut`
Nov 27 19:18:06.050 INFO [stderr] 
Nov 27 19:18:06.060 INFO [stderr] warning: method is never used: `find_letter`
Nov 27 19:18:06.060 INFO [stderr]    --> src/solver.rs:149:5
Nov 27 19:18:06.060 INFO [stderr]     |
Nov 27 19:18:06.060 INFO [stderr] 149 |     fn find_letter(&self, chr: &AsciiChar) -> Option<&BTNode> {
Nov 27 19:18:06.060 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 19:18:06.060 INFO [stderr]     |
Nov 27 19:18:06.060 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 27 19:18:06.060 INFO [stderr] 
Nov 27 19:18:06.085 INFO [stderr] warning: unused variable: `seen`
Nov 27 19:18:06.085 INFO [stderr]    --> src/solver.rs:156:17
Nov 27 19:18:06.085 INFO [stderr]     |
Nov 27 19:18:06.085 INFO [stderr] 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Nov 27 19:18:06.086 INFO [stderr]     |                 ^^^^ help: consider using `_seen` instead
Nov 27 19:18:06.086 INFO [stderr]     |
Nov 27 19:18:06.086 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 27 19:18:06.086 INFO [stderr] 
Nov 27 19:18:06.086 INFO [stderr] warning: unused variable: `adjcts`
Nov 27 19:18:06.086 INFO [stderr]    --> src/solver.rs:158:17
Nov 27 19:18:06.086 INFO [stderr]     |
Nov 27 19:18:06.087 INFO [stderr] 158 |             let adjcts = board.adjacents(x, y);
Nov 27 19:18:06.087 INFO [stderr]     |                 ^^^^^^ help: consider using `_adjcts` instead
Nov 27 19:18:06.087 INFO [stderr] 
Nov 27 19:18:06.145 INFO [stderr] warning: variable does not need to be mutable
Nov 27 19:18:06.145 INFO [stderr]    --> src/solver.rs:154:13
Nov 27 19:18:06.145 INFO [stderr]     |
Nov 27 19:18:06.146 INFO [stderr] 154 |         let mut x = 0;
Nov 27 19:18:06.146 INFO [stderr]     |             ----^
Nov 27 19:18:06.146 INFO [stderr]     |             |
Nov 27 19:18:06.147 INFO [stderr]     |             help: remove this `mut`
Nov 27 19:18:06.147 INFO [stderr]     |
Nov 27 19:18:06.147 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 27 19:18:06.147 INFO [stderr] 
Nov 27 19:18:06.148 INFO [stderr] warning: variable does not need to be mutable
Nov 27 19:18:06.148 INFO [stderr]    --> src/solver.rs:155:13
Nov 27 19:18:06.148 INFO [stderr]     |
Nov 27 19:18:06.148 INFO [stderr] 155 |         let mut y = 0;
Nov 27 19:18:06.149 INFO [stderr]     |             ----^
Nov 27 19:18:06.149 INFO [stderr]     |             |
Nov 27 19:18:06.149 INFO [stderr]     |             help: remove this `mut`
Nov 27 19:18:06.150 INFO [stderr] 
Nov 27 19:18:06.150 INFO [stderr] warning: variable does not need to be mutable
Nov 27 19:18:06.150 INFO [stderr]    --> src/solver.rs:156:13
Nov 27 19:18:06.150 INFO [stderr]     |
Nov 27 19:18:06.151 INFO [stderr] 156 |         let mut seen: HashSet<BoardPosition> = HashSet::with_capacity(16);
Nov 27 19:18:06.151 INFO [stderr]     |             ----^^^^
Nov 27 19:18:06.151 INFO [stderr]     |             |
Nov 27 19:18:06.152 INFO [stderr]     |             help: remove this `mut`
Nov 27 19:18:06.152 INFO [stderr] 
Nov 27 19:18:06.896 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.90s
Nov 27 19:18:06.917 INFO [stderr] su: No module specific data is present
Nov 27 19:18:07.537 INFO running `"docker" "inspect" "a7c67769c87b2de494837adab569d8fdccbc254ec34a44b147eb9e755571aa9b"`
Nov 27 19:18:07.782 INFO running `"docker" "rm" "-f" "a7c67769c87b2de494837adab569d8fdccbc254ec34a44b147eb9e755571aa9b"`
Nov 27 19:18:08.092 INFO [stdout] a7c67769c87b2de494837adab569d8fdccbc254ec34a44b147eb9e755571aa9b