Nov 28 06:29:53.133 INFO checking djmcgill/Rubble against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 06:29:53.134 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 28 06:29:53.617 INFO [stdout] 4f03f5723c2b8e0b38f4cb5bec5bbeff94f8af4daefb2e974c1a70b126771539
Nov 28 06:29:53.620 INFO running `"docker" "start" "-a" "4f03f5723c2b8e0b38f4cb5bec5bbeff94f8af4daefb2e974c1a70b126771539"`
Nov 28 06:29:55.607 INFO [stderr] usermod: no changes
Nov 28 06:29:55.688 INFO [stderr]     Checking rubble v0.1.0 (/source)
Nov 28 06:29:56.519 INFO [stderr] warning: constant item is never used: `HAND_LIMIT`
Nov 28 06:29:56.520 INFO [stderr]  --> src/main.rs:8:1
Nov 28 06:29:56.521 INFO [stderr]   |
Nov 28 06:29:56.521 INFO [stderr] 8 | const HAND_LIMIT: usize = 7;
Nov 28 06:29:56.522 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:29:56.523 INFO [stderr]   |
Nov 28 06:29:56.524 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 06:29:56.524 INFO [stderr] 
Nov 28 06:29:56.525 INFO [stderr] warning: variant is never constructed: `Placed`
Nov 28 06:29:56.525 INFO [stderr]   --> src/main.rs:28:5
Nov 28 06:29:56.526 INFO [stderr]    |
Nov 28 06:29:56.527 INFO [stderr] 28 |     Placed(char),
Nov 28 06:29:56.527 INFO [stderr]    |     ^^^^^^^^^^^^
Nov 28 06:29:56.528 INFO [stderr] 
Nov 28 06:29:56.529 INFO [stderr] warning: variant is never constructed: `Bonus`
Nov 28 06:29:56.529 INFO [stderr]   --> src/main.rs:29:5
Nov 28 06:29:56.530 INFO [stderr]    |
Nov 28 06:29:56.530 INFO [stderr] 29 |     Bonus(Bonus),
Nov 28 06:29:56.530 INFO [stderr]    |     ^^^^^^^^^^^^
Nov 28 06:29:56.530 INFO [stderr] 
Nov 28 06:29:56.530 INFO [stderr] warning: variant is never constructed: `DoubleLetter`
Nov 28 06:29:56.530 INFO [stderr]   --> src/main.rs:42:5
Nov 28 06:29:56.530 INFO [stderr]    |
Nov 28 06:29:56.530 INFO [stderr] 42 |     DoubleLetter,
Nov 28 06:29:56.530 INFO [stderr]    |     ^^^^^^^^^^^^
Nov 28 06:29:56.530 INFO [stderr] 
Nov 28 06:29:56.530 INFO [stderr] warning: variant is never constructed: `TripleLetter`
Nov 28 06:29:56.530 INFO [stderr]   --> src/main.rs:43:5
Nov 28 06:29:56.536 INFO [stderr]    |
Nov 28 06:29:56.536 INFO [stderr] 43 |     TripleLetter,
Nov 28 06:29:56.536 INFO [stderr]    |     ^^^^^^^^^^^^
Nov 28 06:29:56.536 INFO [stderr] 
Nov 28 06:29:56.536 INFO [stderr] warning: variant is never constructed: `DoubleWord`
Nov 28 06:29:56.536 INFO [stderr]   --> src/main.rs:44:5
Nov 28 06:29:56.536 INFO [stderr]    |
Nov 28 06:29:56.536 INFO [stderr] 44 |     DoubleWord,
Nov 28 06:29:56.536 INFO [stderr]    |     ^^^^^^^^^^
Nov 28 06:29:56.536 INFO [stderr] 
Nov 28 06:29:56.536 INFO [stderr] warning: variant is never constructed: `TripleWord`
Nov 28 06:29:56.536 INFO [stderr]   --> src/main.rs:45:5
Nov 28 06:29:56.536 INFO [stderr]    |
Nov 28 06:29:56.536 INFO [stderr] 45 |     TripleWord,
Nov 28 06:29:56.536 INFO [stderr]    |     ^^^^^^^^^^
Nov 28 06:29:56.536 INFO [stderr] 
Nov 28 06:29:56.536 INFO [stderr] warning: method is never used: `all_tiles_connected`
Nov 28 06:29:56.536 INFO [stderr]   --> src/main.rs:75:5
Nov 28 06:29:56.536 INFO [stderr]    |
Nov 28 06:29:56.536 INFO [stderr] 75 |     pub fn all_tiles_connected(&self) -> bool {
Nov 28 06:29:56.536 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:29:56.536 INFO [stderr] 
Nov 28 06:29:56.536 INFO [stderr] warning: struct is never constructed: `Game`
Nov 28 06:29:56.536 INFO [stderr]    --> src/main.rs:128:1
Nov 28 06:29:56.537 INFO [stderr]     |
Nov 28 06:29:56.537 INFO [stderr] 128 | struct Game {
Nov 28 06:29:56.537 INFO [stderr]     | ^^^^^^^^^^^
Nov 28 06:29:56.537 INFO [stderr] 
Nov 28 06:29:56.573 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:29:56.573 INFO [stderr]    --> src/main.rs:162:13
Nov 28 06:29:56.573 INFO [stderr]     |
Nov 28 06:29:56.573 INFO [stderr] 162 |         let mut board = Board([[Cell::Placed('c'); BOARD_WIDTH]; BOARD_HEIGHT]);
Nov 28 06:29:56.573 INFO [stderr]     |             ----^^^^^
Nov 28 06:29:56.573 INFO [stderr]     |             |
Nov 28 06:29:56.573 INFO [stderr]     |             help: remove this `mut`
Nov 28 06:29:56.573 INFO [stderr]     |
Nov 28 06:29:56.573 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 06:29:56.573 INFO [stderr] 
Nov 28 06:29:56.573 INFO [stderr] warning: constant item is never used: `HAND_LIMIT`
Nov 28 06:29:56.573 INFO [stderr]  --> src/main.rs:8:1
Nov 28 06:29:56.573 INFO [stderr]   |
Nov 28 06:29:56.573 INFO [stderr] 8 | const HAND_LIMIT: usize = 7;
Nov 28 06:29:56.573 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:29:56.573 INFO [stderr]   |
Nov 28 06:29:56.573 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 06:29:56.573 INFO [stderr] 
Nov 28 06:29:56.573 INFO [stderr] warning: variant is never constructed: `Bonus`
Nov 28 06:29:56.573 INFO [stderr]   --> src/main.rs:29:5
Nov 28 06:29:56.573 INFO [stderr]    |
Nov 28 06:29:56.573 INFO [stderr] 29 |     Bonus(Bonus),
Nov 28 06:29:56.573 INFO [stderr]    |     ^^^^^^^^^^^^
Nov 28 06:29:56.573 INFO [stderr] 
Nov 28 06:29:56.573 INFO [stderr] warning: variant is never constructed: `DoubleLetter`
Nov 28 06:29:56.573 INFO [stderr]   --> src/main.rs:42:5
Nov 28 06:29:56.573 INFO [stderr]    |
Nov 28 06:29:56.573 INFO [stderr] 42 |     DoubleLetter,
Nov 28 06:29:56.573 INFO [stderr]    |     ^^^^^^^^^^^^
Nov 28 06:29:56.573 INFO [stderr] 
Nov 28 06:29:56.573 INFO [stderr] warning: variant is never constructed: `TripleLetter`
Nov 28 06:29:56.573 INFO [stderr]   --> src/main.rs:43:5
Nov 28 06:29:56.573 INFO [stderr]    |
Nov 28 06:29:56.573 INFO [stderr] 43 |     TripleLetter,
Nov 28 06:29:56.573 INFO [stderr]    |     ^^^^^^^^^^^^
Nov 28 06:29:56.573 INFO [stderr] 
Nov 28 06:29:56.573 INFO [stderr] warning: variant is never constructed: `DoubleWord`
Nov 28 06:29:56.573 INFO [stderr]   --> src/main.rs:44:5
Nov 28 06:29:56.573 INFO [stderr]    |
Nov 28 06:29:56.573 INFO [stderr] 44 |     DoubleWord,
Nov 28 06:29:56.573 INFO [stderr]    |     ^^^^^^^^^^
Nov 28 06:29:56.573 INFO [stderr] 
Nov 28 06:29:56.573 INFO [stderr] warning: variant is never constructed: `TripleWord`
Nov 28 06:29:56.573 INFO [stderr]   --> src/main.rs:45:5
Nov 28 06:29:56.573 INFO [stderr]    |
Nov 28 06:29:56.573 INFO [stderr] 45 |     TripleWord,
Nov 28 06:29:56.573 INFO [stderr]    |     ^^^^^^^^^^
Nov 28 06:29:56.573 INFO [stderr] 
Nov 28 06:29:56.573 INFO [stderr] warning: struct is never constructed: `Game`
Nov 28 06:29:56.573 INFO [stderr]    --> src/main.rs:128:1
Nov 28 06:29:56.573 INFO [stderr]     |
Nov 28 06:29:56.573 INFO [stderr] 128 | struct Game {
Nov 28 06:29:56.573 INFO [stderr]     | ^^^^^^^^^^^
Nov 28 06:29:56.573 INFO [stderr] 
Nov 28 06:29:56.620 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Nov 28 06:29:56.623 INFO [stderr] su: No module specific data is present
Nov 28 06:29:57.791 INFO running `"docker" "inspect" "4f03f5723c2b8e0b38f4cb5bec5bbeff94f8af4daefb2e974c1a70b126771539"`
Nov 28 06:29:58.127 INFO running `"docker" "rm" "-f" "4f03f5723c2b8e0b38f4cb5bec5bbeff94f8af4daefb2e974c1a70b126771539"`
Nov 28 06:29:58.408 INFO [stdout] 4f03f5723c2b8e0b38f4cb5bec5bbeff94f8af4daefb2e974c1a70b126771539