Sep 19 16:58:21.738 INFO checking Lireer/ricochet-robot-solver against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 16:58:21.738 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 16:58:21.738 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-0/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 16:58:21.915 INFO blam! 03b7fd2ebc8e9754ce134f9aabf235c637d751cd0e746557af2e6bc45a76e87e
Sep 19 16:58:21.917 INFO running `"docker" "start" "-a" "03b7fd2ebc8e9754ce134f9aabf235c637d751cd0e746557af2e6bc45a76e87e"`
Sep 19 16:58:22.833 INFO kablam! usermod: no changes
Sep 19 16:58:22.888 INFO kablam!     Checking rustc-serialize v0.3.21
Sep 19 16:58:26.800 INFO kablam!     Checking num-bigint v0.1.36
Sep 19 16:58:26.800 INFO kablam!     Checking num-complex v0.1.36
Sep 19 16:58:26.800 INFO kablam!     Checking ricochet_board v0.1.0 (/source/ricochet_board)
Sep 19 16:58:27.458 INFO kablam! warning: variable does not need to be mutable
Sep 19 16:58:27.458 INFO kablam!    --> ricochet_board/src/lib.rs:261:19
Sep 19 16:58:27.458 INFO kablam!     |
Sep 19 16:58:27.458 INFO kablam! 261 |     fn fmt(&self, mut fmt: &mut fmt::Formatter) -> fmt::Result {
Sep 19 16:58:27.458 INFO kablam!     |                   ----^^^
Sep 19 16:58:27.458 INFO kablam!     |                   |
Sep 19 16:58:27.458 INFO kablam!     |                   help: remove this `mut`
Sep 19 16:58:27.458 INFO kablam!     |
Sep 19 16:58:27.458 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 19 16:58:27.458 INFO kablam! 
Sep 19 16:58:27.458 INFO kablam! warning: variable does not need to be mutable
Sep 19 16:58:27.458 INFO kablam!    --> ricochet_board/src/lib.rs:272:19
Sep 19 16:58:27.458 INFO kablam!     |
Sep 19 16:58:27.458 INFO kablam! 272 |     fn fmt(&self, mut fmt: &mut fmt::Formatter) -> fmt::Result {
Sep 19 16:58:27.458 INFO kablam!     |                   ----^^^
Sep 19 16:58:27.458 INFO kablam!     |                   |
Sep 19 16:58:27.458 INFO kablam!     |                   help: remove this `mut`
Sep 19 16:58:27.458 INFO kablam! 
Sep 19 16:58:27.962 INFO kablam!     Checking num-rational v0.1.36
Sep 19 16:58:28.439 INFO kablam!     Checking num v0.1.37
Sep 19 16:58:28.739 INFO kablam!     Checking ricochet_solver v0.1.0 (/source/ricochet_solver)
Sep 19 16:58:29.118 INFO kablam! warning: variable does not need to be mutable
Sep 19 16:58:29.118 INFO kablam!    --> ricochet_solver/src/lib.rs:233:9
Sep 19 16:58:29.118 INFO kablam!     |
Sep 19 16:58:29.118 INFO kablam! 233 |         mut visited_pos: &mut Vec<Vec<RobotPositions>>)
Sep 19 16:58:29.118 INFO kablam!     |         ----^^^^^^^^^^^
Sep 19 16:58:29.118 INFO kablam!     |         |
Sep 19 16:58:29.118 INFO kablam!     |         help: remove this `mut`
Sep 19 16:58:29.118 INFO kablam!     |
Sep 19 16:58:29.118 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 19 16:58:29.118 INFO kablam! 
Sep 19 16:58:29.118 INFO kablam! warning: function is never used: `database_solve`
Sep 19 16:58:29.118 INFO kablam!    --> ricochet_solver/src/lib.rs:82:1
Sep 19 16:58:29.118 INFO kablam!     |
Sep 19 16:58:29.118 INFO kablam! 82  | / fn database_solve(board: &Board,
Sep 19 16:58:29.118 INFO kablam! 83  | |                   positions: RobotPositions,
Sep 19 16:58:29.118 INFO kablam! 84  | |                   target: Target,
Sep 19 16:58:29.118 INFO kablam! 85  | |                   targetx: usize,
Sep 19 16:58:29.118 INFO kablam! ...   |
Sep 19 16:58:29.118 INFO kablam! 121 | |     unreachable!()
Sep 19 16:58:29.118 INFO kablam! 122 | | }
Sep 19 16:58:29.118 INFO kablam!     | |_^
Sep 19 16:58:29.118 INFO kablam!     |
Sep 19 16:58:29.118 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 19 16:58:29.118 INFO kablam! 
Sep 19 16:58:29.198 INFO kablam!     Checking ricochet v0.1.0 (/source)
Sep 19 16:58:30.758 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.90s
Sep 19 16:58:30.766 INFO kablam! su: No module specific data is present
Sep 19 16:58:32.257 INFO running `"docker" "rm" "-f" "03b7fd2ebc8e9754ce134f9aabf235c637d751cd0e746557af2e6bc45a76e87e"`
Sep 19 16:58:32.360 INFO blam! 03b7fd2ebc8e9754ce134f9aabf235c637d751cd0e746557af2e6bc45a76e87e