Sep 05 19:56:05.584 INFO checking Lireer/ricochet-robot-solver against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 05 19:56:05.584 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 05 19:56:05.584 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-4/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 19:56:06.015 INFO blam! f8091653eec76fb72961e7c95d03f28ce6e29c7aeea2970b55fc029b67425666
Sep 05 19:56:06.017 INFO running `"docker" "start" "-a" "f8091653eec76fb72961e7c95d03f28ce6e29c7aeea2970b55fc029b67425666"`
Sep 05 19:56:07.523 INFO kablam! usermod: no changes
Sep 05 19:56:07.591 INFO kablam!     Checking text_io v0.1.6
Sep 05 19:56:07.596 INFO kablam!     Checking num-integer v0.1.33
Sep 05 19:56:07.596 INFO kablam!     Checking num-complex v0.1.36
Sep 05 19:56:07.596 INFO kablam!     Checking ricochet_board v0.1.0 (file:///source/ricochet_board)
Sep 05 19:56:08.503 INFO kablam!     Checking num-bigint v0.1.36
Sep 05 19:56:08.503 INFO kablam!     Checking num-iter v0.1.33
Sep 05 19:56:08.760 INFO kablam! warning: variable does not need to be mutable
Sep 05 19:56:08.760 INFO kablam!    --> ricochet_board/src/lib.rs:261:19
Sep 05 19:56:08.760 INFO kablam!     |
Sep 05 19:56:08.760 INFO kablam! 261 |     fn fmt(&self, mut fmt: &mut fmt::Formatter) -> fmt::Result {
Sep 05 19:56:08.760 INFO kablam!     |                   ----^^^
Sep 05 19:56:08.760 INFO kablam!     |                   |
Sep 05 19:56:08.760 INFO kablam!     |                   help: remove this `mut`
Sep 05 19:56:08.765 INFO kablam!     |
Sep 05 19:56:08.765 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 05 19:56:08.766 INFO kablam! 
Sep 05 19:56:08.766 INFO kablam! warning: variable does not need to be mutable
Sep 05 19:56:08.766 INFO kablam!    --> ricochet_board/src/lib.rs:272:19
Sep 05 19:56:08.766 INFO kablam!     |
Sep 05 19:56:08.766 INFO kablam! 272 |     fn fmt(&self, mut fmt: &mut fmt::Formatter) -> fmt::Result {
Sep 05 19:56:08.766 INFO kablam!     |                   ----^^^
Sep 05 19:56:08.766 INFO kablam!     |                   |
Sep 05 19:56:08.766 INFO kablam!     |                   help: remove this `mut`
Sep 05 19:56:08.766 INFO kablam! 
Sep 05 19:56:09.657 INFO kablam!     Checking num-rational v0.1.36
Sep 05 19:56:10.114 INFO kablam!     Checking num v0.1.37
Sep 05 19:56:10.256 INFO kablam!     Checking ricochet_solver v0.1.0 (file:///source/ricochet_solver)
Sep 05 19:56:10.596 INFO kablam! warning: variable does not need to be mutable
Sep 05 19:56:10.596 INFO kablam!    --> ricochet_solver/src/lib.rs:233:9
Sep 05 19:56:10.596 INFO kablam!     |
Sep 05 19:56:10.596 INFO kablam! 233 |         mut visited_pos: &mut Vec<Vec<RobotPositions>>)
Sep 05 19:56:10.596 INFO kablam!     |         ----^^^^^^^^^^^
Sep 05 19:56:10.596 INFO kablam!     |         |
Sep 05 19:56:10.596 INFO kablam!     |         help: remove this `mut`
Sep 05 19:56:10.596 INFO kablam!     |
Sep 05 19:56:10.596 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 05 19:56:10.596 INFO kablam! 
Sep 05 19:56:10.597 INFO kablam! warning: function is never used: `database_solve`
Sep 05 19:56:10.597 INFO kablam!    --> ricochet_solver/src/lib.rs:82:1
Sep 05 19:56:10.597 INFO kablam!     |
Sep 05 19:56:10.597 INFO kablam! 82  | / fn database_solve(board: &Board,
Sep 05 19:56:10.597 INFO kablam! 83  | |                   positions: RobotPositions,
Sep 05 19:56:10.597 INFO kablam! 84  | |                   target: Target,
Sep 05 19:56:10.597 INFO kablam! 85  | |                   targetx: usize,
Sep 05 19:56:10.597 INFO kablam! ...   |
Sep 05 19:56:10.597 INFO kablam! 121 | |     unreachable!()
Sep 05 19:56:10.597 INFO kablam! 122 | | }
Sep 05 19:56:10.597 INFO kablam!     | |_^
Sep 05 19:56:10.597 INFO kablam!     |
Sep 05 19:56:10.597 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 05 19:56:10.597 INFO kablam! 
Sep 05 19:56:10.623 INFO kablam!     Checking ricochet v0.1.0 (file:///source)
Sep 05 19:56:11.369 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.82s
Sep 05 19:56:11.372 INFO kablam! su: No module specific data is present
Sep 05 19:56:11.901 INFO running `"docker" "rm" "-f" "f8091653eec76fb72961e7c95d03f28ce6e29c7aeea2970b55fc029b67425666"`
Sep 05 19:56:12.010 INFO blam! f8091653eec76fb72961e7c95d03f28ce6e29c7aeea2970b55fc029b67425666