Sep 04 07:26:31.071 INFO checking puzzle-solver-0.4.1 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 07:26:31.071 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 07:26:31.071 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-3/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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=500" "-e" "CMD=cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 07:26:31.244 INFO blam! 092c749b4acca6b14945165ba6b221db9a47d305e01f3616bc0383dd59dfb8f6
Sep 04 07:26:31.244 INFO running `"docker" "start" "-a" "092c749b4acca6b14945165ba6b221db9a47d305e01f3616bc0383dd59dfb8f6"`
Sep 04 07:26:31.862 INFO kablam!     Checking num-rational v0.1.42
Sep 04 07:26:32.907 INFO kablam!     Checking puzzle-solver v0.4.1 (file:///source)
Sep 04 07:26:34.250 INFO kablam! warning: variable does not need to be mutable
Sep 04 07:26:34.251 INFO kablam!    --> src/puzzle.rs:898:21
Sep 04 07:26:34.251 INFO kablam!     |
Sep 04 07:26:34.251 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Sep 04 07:26:34.251 INFO kablam!     |                     ----^
Sep 04 07:26:34.251 INFO kablam!     |                     |
Sep 04 07:26:34.251 INFO kablam!     |                     help: remove this `mut`
Sep 04 07:26:34.251 INFO kablam!     |
Sep 04 07:26:34.251 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 07:26:34.251 INFO kablam! 
Sep 04 07:26:34.252 INFO kablam! warning: variable does not need to be mutable
Sep 04 07:26:34.252 INFO kablam!    --> src/puzzle.rs:898:14
Sep 04 07:26:34.252 INFO kablam!     |
Sep 04 07:26:34.252 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Sep 04 07:26:34.252 INFO kablam!     |              ----^
Sep 04 07:26:34.252 INFO kablam!     |              |
Sep 04 07:26:34.252 INFO kablam!     |              help: remove this `mut`
Sep 04 07:26:34.252 INFO kablam! 
Sep 04 07:26:34.386 INFO kablam! warning: variable does not need to be mutable
Sep 04 07:26:34.386 INFO kablam!    --> src/puzzle.rs:898:21
Sep 04 07:26:34.386 INFO kablam!     |
Sep 04 07:26:34.386 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Sep 04 07:26:34.386 INFO kablam!     |                     ----^
Sep 04 07:26:34.386 INFO kablam!     |                     |
Sep 04 07:26:34.386 INFO kablam!     |                     help: remove this `mut`
Sep 04 07:26:34.386 INFO kablam!     |
Sep 04 07:26:34.386 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 07:26:34.386 INFO kablam! 
Sep 04 07:26:34.386 INFO kablam! warning: variable does not need to be mutable
Sep 04 07:26:34.386 INFO kablam!    --> src/puzzle.rs:898:14
Sep 04 07:26:34.386 INFO kablam!     |
Sep 04 07:26:34.386 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Sep 04 07:26:34.386 INFO kablam!     |              ----^
Sep 04 07:26:34.386 INFO kablam!     |              |
Sep 04 07:26:34.386 INFO kablam!     |              help: remove this `mut`
Sep 04 07:26:34.386 INFO kablam! 
Sep 04 07:26:38.750 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.91s
Sep 04 07:26:38.757 INFO kablam! su: No module specific data is present
Sep 04 07:26:39.163 INFO running `"docker" "rm" "-f" "092c749b4acca6b14945165ba6b221db9a47d305e01f3616bc0383dd59dfb8f6"`
Sep 04 07:26:39.299 INFO blam! 092c749b4acca6b14945165ba6b221db9a47d305e01f3616bc0383dd59dfb8f6