Sep 17 14:02:06.881 INFO checking Lireer/ricochet-robot-solver against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 14:02:06.881 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 14:02:06.881 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-4/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 14:02:07.057 INFO blam! b5a3b2e68476947d80e446239a7fb9f3d842e9d2c2ec9cb7685c7a5f063ae36e
Sep 17 14:02:07.059 INFO running `"docker" "start" "-a" "b5a3b2e68476947d80e446239a7fb9f3d842e9d2c2ec9cb7685c7a5f063ae36e"`
Sep 17 14:02:08.258 INFO kablam! usermod: no changes
Sep 17 14:02:08.309 INFO kablam!     Checking rustc-serialize v0.3.21
Sep 17 14:02:08.309 INFO kablam!     Checking text_io v0.1.6
Sep 17 14:02:12.744 INFO kablam!     Checking num-bigint v0.1.36
Sep 17 14:02:12.746 INFO kablam!     Checking num-complex v0.1.36
Sep 17 14:02:12.748 INFO kablam!     Checking ricochet_board v0.1.0 (/source/ricochet_board)
Sep 17 14:02:13.991 INFO kablam! warning: variable does not need to be mutable
Sep 17 14:02:13.991 INFO kablam!    --> ricochet_board/src/lib.rs:261:19
Sep 17 14:02:13.991 INFO kablam!     |
Sep 17 14:02:13.991 INFO kablam! 261 |     fn fmt(&self, mut fmt: &mut fmt::Formatter) -> fmt::Result {
Sep 17 14:02:13.991 INFO kablam!     |                   ----^^^
Sep 17 14:02:13.991 INFO kablam!     |                   |
Sep 17 14:02:13.991 INFO kablam!     |                   help: remove this `mut`
Sep 17 14:02:13.991 INFO kablam!     |
Sep 17 14:02:13.991 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 17 14:02:13.991 INFO kablam! 
Sep 17 14:02:13.995 INFO kablam! warning: variable does not need to be mutable
Sep 17 14:02:13.995 INFO kablam!    --> ricochet_board/src/lib.rs:272:19
Sep 17 14:02:13.995 INFO kablam!     |
Sep 17 14:02:13.995 INFO kablam! 272 |     fn fmt(&self, mut fmt: &mut fmt::Formatter) -> fmt::Result {
Sep 17 14:02:13.995 INFO kablam!     |                   ----^^^
Sep 17 14:02:13.995 INFO kablam!     |                   |
Sep 17 14:02:13.995 INFO kablam!     |                   help: remove this `mut`
Sep 17 14:02:13.995 INFO kablam! 
Sep 17 14:02:14.316 INFO kablam!     Checking num-rational v0.1.36
Sep 17 14:02:14.843 INFO kablam!     Checking num v0.1.37
Sep 17 14:02:15.080 INFO kablam!     Checking ricochet_solver v0.1.0 (/source/ricochet_solver)
Sep 17 14:02:15.659 INFO kablam! warning: variable does not need to be mutable
Sep 17 14:02:15.659 INFO kablam!    --> ricochet_solver/src/lib.rs:233:9
Sep 17 14:02:15.659 INFO kablam!     |
Sep 17 14:02:15.659 INFO kablam! 233 |         mut visited_pos: &mut Vec<Vec<RobotPositions>>)
Sep 17 14:02:15.659 INFO kablam!     |         ----^^^^^^^^^^^
Sep 17 14:02:15.659 INFO kablam!     |         |
Sep 17 14:02:15.659 INFO kablam!     |         help: remove this `mut`
Sep 17 14:02:15.659 INFO kablam!     |
Sep 17 14:02:15.659 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 17 14:02:15.659 INFO kablam! 
Sep 17 14:02:15.659 INFO kablam! warning: function is never used: `database_solve`
Sep 17 14:02:15.659 INFO kablam!    --> ricochet_solver/src/lib.rs:82:1
Sep 17 14:02:15.659 INFO kablam!     |
Sep 17 14:02:15.659 INFO kablam! 82  | / fn database_solve(board: &Board,
Sep 17 14:02:15.659 INFO kablam! 83  | |                   positions: RobotPositions,
Sep 17 14:02:15.659 INFO kablam! 84  | |                   target: Target,
Sep 17 14:02:15.659 INFO kablam! 85  | |                   targetx: usize,
Sep 17 14:02:15.659 INFO kablam! ...   |
Sep 17 14:02:15.659 INFO kablam! 121 | |     unreachable!()
Sep 17 14:02:15.659 INFO kablam! 122 | | }
Sep 17 14:02:15.659 INFO kablam!     | |_^
Sep 17 14:02:15.659 INFO kablam!     |
Sep 17 14:02:15.659 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 17 14:02:15.659 INFO kablam! 
Sep 17 14:02:15.726 INFO kablam!     Checking ricochet v0.1.0 (/source)
Sep 17 14:02:17.075 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.80s
Sep 17 14:02:17.087 INFO kablam! su: No module specific data is present
Sep 17 14:02:18.101 INFO running `"docker" "rm" "-f" "b5a3b2e68476947d80e446239a7fb9f3d842e9d2c2ec9cb7685c7a5f063ae36e"`
Sep 17 14:02:18.419 INFO blam! b5a3b2e68476947d80e446239a7fb9f3d842e9d2c2ec9cb7685c7a5f063ae36e