Sep 21 05:20:29.982 INFO checking puzzle-solver-0.4.1 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 05:20:29.982 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 05:20:29.982 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-4/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 21 05:20:30.152 INFO blam! 8d5bc3fa8eb5987624350e0c5f4b369fd37dd73b2ebfdbd9636c185ce8427e5c
Sep 21 05:20:30.154 INFO running `"docker" "start" "-a" "8d5bc3fa8eb5987624350e0c5f4b369fd37dd73b2ebfdbd9636c185ce8427e5c"`
Sep 21 05:20:31.349 INFO kablam! usermod: no changes
Sep 21 05:20:31.394 INFO kablam!     Checking num-rational v0.1.42
Sep 21 05:20:31.946 INFO kablam!     Checking puzzle-solver v0.4.1 (/source)
Sep 21 05:20:32.694 INFO kablam! warning: variable does not need to be mutable
Sep 21 05:20:32.694 INFO kablam!    --> src/puzzle.rs:898:21
Sep 21 05:20:32.694 INFO kablam!     |
Sep 21 05:20:32.694 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Sep 21 05:20:32.694 INFO kablam!     |                     ----^
Sep 21 05:20:32.694 INFO kablam!     |                     |
Sep 21 05:20:32.694 INFO kablam!     |                     help: remove this `mut`
Sep 21 05:20:32.694 INFO kablam!     |
Sep 21 05:20:32.694 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 21 05:20:32.694 INFO kablam! 
Sep 21 05:20:32.694 INFO kablam! warning: variable does not need to be mutable
Sep 21 05:20:32.694 INFO kablam!    --> src/puzzle.rs:898:14
Sep 21 05:20:32.694 INFO kablam!     |
Sep 21 05:20:32.694 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Sep 21 05:20:32.694 INFO kablam!     |              ----^
Sep 21 05:20:32.694 INFO kablam!     |              |
Sep 21 05:20:32.694 INFO kablam!     |              help: remove this `mut`
Sep 21 05:20:32.694 INFO kablam! 
Sep 21 05:20:32.985 INFO kablam! warning: variable does not need to be mutable
Sep 21 05:20:32.985 INFO kablam!    --> src/puzzle.rs:898:21
Sep 21 05:20:32.985 INFO kablam!     |
Sep 21 05:20:32.985 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Sep 21 05:20:32.985 INFO kablam!     |                     ----^
Sep 21 05:20:32.985 INFO kablam!     |                     |
Sep 21 05:20:32.985 INFO kablam!     |                     help: remove this `mut`
Sep 21 05:20:32.985 INFO kablam!     |
Sep 21 05:20:32.985 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 21 05:20:32.985 INFO kablam! 
Sep 21 05:20:32.985 INFO kablam! warning: variable does not need to be mutable
Sep 21 05:20:32.985 INFO kablam!    --> src/puzzle.rs:898:14
Sep 21 05:20:32.985 INFO kablam!     |
Sep 21 05:20:32.985 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Sep 21 05:20:32.985 INFO kablam!     |              ----^
Sep 21 05:20:32.985 INFO kablam!     |              |
Sep 21 05:20:32.986 INFO kablam!     |              help: remove this `mut`
Sep 21 05:20:32.986 INFO kablam! 
Sep 21 05:20:34.583 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.22s
Sep 21 05:20:34.587 INFO kablam! su: No module specific data is present
Sep 21 05:20:35.151 INFO running `"docker" "rm" "-f" "8d5bc3fa8eb5987624350e0c5f4b369fd37dd73b2ebfdbd9636c185ce8427e5c"`
Sep 21 05:20:35.224 INFO blam! 8d5bc3fa8eb5987624350e0c5f4b369fd37dd73b2ebfdbd9636c185ce8427e5c