Sep 10 12:32:31.592 INFO checking puzzle-solver-0.4.1 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 12:32:31.592 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 12:32:31.592 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-1/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 12:32:31.796 INFO blam! 607b486749c5d5e37dde5917d3a0608b5ee7a71ec88089cbefb9ad98284da40d
Sep 10 12:32:31.798 INFO running `"docker" "start" "-a" "607b486749c5d5e37dde5917d3a0608b5ee7a71ec88089cbefb9ad98284da40d"`
Sep 10 12:32:32.978 INFO kablam! usermod: no changes
Sep 10 12:32:33.070 INFO kablam!     Checking num-rational v0.1.42
Sep 10 12:32:33.922 INFO kablam!     Checking puzzle-solver v0.4.1 (file:///source)
Sep 10 12:32:35.142 INFO kablam! warning: variable does not need to be mutable
Sep 10 12:32:35.142 INFO kablam!    --> src/puzzle.rs:898:21
Sep 10 12:32:35.142 INFO kablam!     |
Sep 10 12:32:35.142 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Sep 10 12:32:35.142 INFO kablam!     |                     ----^
Sep 10 12:32:35.142 INFO kablam!     |                     |
Sep 10 12:32:35.142 INFO kablam!     |                     help: remove this `mut`
Sep 10 12:32:35.142 INFO kablam!     |
Sep 10 12:32:35.142 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 12:32:35.142 INFO kablam! 
Sep 10 12:32:35.142 INFO kablam! warning: variable does not need to be mutable
Sep 10 12:32:35.142 INFO kablam!    --> src/puzzle.rs:898:14
Sep 10 12:32:35.142 INFO kablam!     |
Sep 10 12:32:35.142 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Sep 10 12:32:35.142 INFO kablam!     |              ----^
Sep 10 12:32:35.142 INFO kablam!     |              |
Sep 10 12:32:35.142 INFO kablam!     |              help: remove this `mut`
Sep 10 12:32:35.142 INFO kablam! 
Sep 10 12:32:35.298 INFO kablam! warning: variable does not need to be mutable
Sep 10 12:32:35.298 INFO kablam!    --> src/puzzle.rs:898:21
Sep 10 12:32:35.298 INFO kablam!     |
Sep 10 12:32:35.298 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Sep 10 12:32:35.298 INFO kablam!     |                     ----^
Sep 10 12:32:35.298 INFO kablam!     |                     |
Sep 10 12:32:35.298 INFO kablam!     |                     help: remove this `mut`
Sep 10 12:32:35.298 INFO kablam!     |
Sep 10 12:32:35.298 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 12:32:35.298 INFO kablam! 
Sep 10 12:32:35.298 INFO kablam! warning: variable does not need to be mutable
Sep 10 12:32:35.298 INFO kablam!    --> src/puzzle.rs:898:14
Sep 10 12:32:35.298 INFO kablam!     |
Sep 10 12:32:35.298 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Sep 10 12:32:35.298 INFO kablam!     |              ----^
Sep 10 12:32:35.298 INFO kablam!     |              |
Sep 10 12:32:35.298 INFO kablam!     |              help: remove this `mut`
Sep 10 12:32:35.298 INFO kablam! 
Sep 10 12:32:38.145 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.14s
Sep 10 12:32:38.149 INFO kablam! su: No module specific data is present
Sep 10 12:32:38.528 INFO running `"docker" "rm" "-f" "607b486749c5d5e37dde5917d3a0608b5ee7a71ec88089cbefb9ad98284da40d"`
Sep 10 12:32:38.604 INFO blam! 607b486749c5d5e37dde5917d3a0608b5ee7a71ec88089cbefb9ad98284da40d