Sep 20 23:48:13.102 INFO checking Lireer/ricochet-robot-solver against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 20 23:48:13.102 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 20 23:48:13.102 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-0/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 23:48:13.296 INFO blam! c4d5f667cffda1ffa648ce534e7be6cf76ee678f4e811661e420a0dbc71cea17
Sep 20 23:48:13.298 INFO running `"docker" "start" "-a" "c4d5f667cffda1ffa648ce534e7be6cf76ee678f4e811661e420a0dbc71cea17"`
Sep 20 23:48:14.292 INFO kablam! usermod: no changes
Sep 20 23:48:14.339 INFO kablam!     Checking rustc-serialize v0.3.21
Sep 20 23:48:14.346 INFO kablam!     Checking text_io v0.1.6
Sep 20 23:48:14.346 INFO kablam!     Checking num-integer v0.1.33
Sep 20 23:48:14.775 INFO kablam!     Checking num-iter v0.1.33
Sep 20 23:48:18.559 INFO kablam!     Checking num-bigint v0.1.36
Sep 20 23:48:18.559 INFO kablam!     Checking num-complex v0.1.36
Sep 20 23:48:18.559 INFO kablam!     Checking ricochet_board v0.1.0 (/source/ricochet_board)
Sep 20 23:48:19.174 INFO kablam! warning: variable does not need to be mutable
Sep 20 23:48:19.174 INFO kablam!    --> ricochet_board/src/lib.rs:261:19
Sep 20 23:48:19.174 INFO kablam!     |
Sep 20 23:48:19.174 INFO kablam! 261 |     fn fmt(&self, mut fmt: &mut fmt::Formatter) -> fmt::Result {
Sep 20 23:48:19.174 INFO kablam!     |                   ----^^^
Sep 20 23:48:19.174 INFO kablam!     |                   |
Sep 20 23:48:19.174 INFO kablam!     |                   help: remove this `mut`
Sep 20 23:48:19.174 INFO kablam!     |
Sep 20 23:48:19.174 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 20 23:48:19.174 INFO kablam! 
Sep 20 23:48:19.175 INFO kablam! warning: variable does not need to be mutable
Sep 20 23:48:19.175 INFO kablam!    --> ricochet_board/src/lib.rs:272:19
Sep 20 23:48:19.175 INFO kablam!     |
Sep 20 23:48:19.175 INFO kablam! 272 |     fn fmt(&self, mut fmt: &mut fmt::Formatter) -> fmt::Result {
Sep 20 23:48:19.175 INFO kablam!     |                   ----^^^
Sep 20 23:48:19.175 INFO kablam!     |                   |
Sep 20 23:48:19.175 INFO kablam!     |                   help: remove this `mut`
Sep 20 23:48:19.175 INFO kablam! 
Sep 20 23:48:19.897 INFO kablam!     Checking num-rational v0.1.36
Sep 20 23:48:20.394 INFO kablam!     Checking num v0.1.37
Sep 20 23:48:20.659 INFO kablam!     Checking ricochet_solver v0.1.0 (/source/ricochet_solver)
Sep 20 23:48:21.070 INFO kablam! warning: variable does not need to be mutable
Sep 20 23:48:21.070 INFO kablam!    --> ricochet_solver/src/lib.rs:233:9
Sep 20 23:48:21.070 INFO kablam!     |
Sep 20 23:48:21.070 INFO kablam! 233 |         mut visited_pos: &mut Vec<Vec<RobotPositions>>)
Sep 20 23:48:21.070 INFO kablam!     |         ----^^^^^^^^^^^
Sep 20 23:48:21.070 INFO kablam!     |         |
Sep 20 23:48:21.070 INFO kablam!     |         help: remove this `mut`
Sep 20 23:48:21.070 INFO kablam!     |
Sep 20 23:48:21.070 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 20 23:48:21.070 INFO kablam! 
Sep 20 23:48:21.070 INFO kablam! warning: function is never used: `database_solve`
Sep 20 23:48:21.070 INFO kablam!    --> ricochet_solver/src/lib.rs:82:1
Sep 20 23:48:21.070 INFO kablam!     |
Sep 20 23:48:21.071 INFO kablam! 82  | / fn database_solve(board: &Board,
Sep 20 23:48:21.071 INFO kablam! 83  | |                   positions: RobotPositions,
Sep 20 23:48:21.071 INFO kablam! 84  | |                   target: Target,
Sep 20 23:48:21.071 INFO kablam! 85  | |                   targetx: usize,
Sep 20 23:48:21.071 INFO kablam! ...   |
Sep 20 23:48:21.071 INFO kablam! 121 | |     unreachable!()
Sep 20 23:48:21.071 INFO kablam! 122 | | }
Sep 20 23:48:21.071 INFO kablam!     | |_^
Sep 20 23:48:21.071 INFO kablam!     |
Sep 20 23:48:21.071 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 20 23:48:21.071 INFO kablam! 
Sep 20 23:48:21.119 INFO kablam!     Checking ricochet v0.1.0 (/source)
Sep 20 23:48:22.470 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.16s
Sep 20 23:48:22.478 INFO kablam! su: No module specific data is present
Sep 20 23:48:23.812 INFO running `"docker" "rm" "-f" "c4d5f667cffda1ffa648ce534e7be6cf76ee678f4e811661e420a0dbc71cea17"`
Sep 20 23:48:23.924 INFO blam! c4d5f667cffda1ffa648ce534e7be6cf76ee678f4e811661e420a0dbc71cea17