Sep 17 19:36:31.396 INFO checking puzzle-solver-0.4.1 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 19:36:31.396 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 19:36:31.396 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-5/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 19:36:31.608 INFO blam! ac2bedbdab5256334c10fcc562a7de435ccb5997ed60f1591d63c6917f52dff4
Sep 17 19:36:31.610 INFO running `"docker" "start" "-a" "ac2bedbdab5256334c10fcc562a7de435ccb5997ed60f1591d63c6917f52dff4"`
Sep 17 19:36:32.770 INFO kablam! usermod: no changes
Sep 17 19:36:32.865 INFO kablam!     Checking num-rational v0.1.42
Sep 17 19:36:33.581 INFO kablam!     Checking puzzle-solver v0.4.1 (/source)
Sep 17 19:36:34.555 INFO kablam! warning: variable does not need to be mutable
Sep 17 19:36:34.555 INFO kablam!    --> src/puzzle.rs:898:21
Sep 17 19:36:34.555 INFO kablam!     |
Sep 17 19:36:34.555 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Sep 17 19:36:34.555 INFO kablam!     |                     ----^
Sep 17 19:36:34.555 INFO kablam!     |                     |
Sep 17 19:36:34.555 INFO kablam!     |                     help: remove this `mut`
Sep 17 19:36:34.555 INFO kablam!     |
Sep 17 19:36:34.555 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 17 19:36:34.555 INFO kablam! 
Sep 17 19:36:34.555 INFO kablam! warning: variable does not need to be mutable
Sep 17 19:36:34.555 INFO kablam!    --> src/puzzle.rs:898:14
Sep 17 19:36:34.555 INFO kablam!     |
Sep 17 19:36:34.555 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Sep 17 19:36:34.555 INFO kablam!     |              ----^
Sep 17 19:36:34.555 INFO kablam!     |              |
Sep 17 19:36:34.555 INFO kablam!     |              help: remove this `mut`
Sep 17 19:36:34.555 INFO kablam! 
Sep 17 19:36:35.001 INFO kablam! warning: variable does not need to be mutable
Sep 17 19:36:35.001 INFO kablam!    --> src/puzzle.rs:898:21
Sep 17 19:36:35.001 INFO kablam!     |
Sep 17 19:36:35.001 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Sep 17 19:36:35.001 INFO kablam!     |                     ----^
Sep 17 19:36:35.001 INFO kablam!     |                     |
Sep 17 19:36:35.001 INFO kablam!     |                     help: remove this `mut`
Sep 17 19:36:35.020 INFO kablam!     |
Sep 17 19:36:35.020 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 17 19:36:35.020 INFO kablam! 
Sep 17 19:36:35.023 INFO kablam! warning: variable does not need to be mutable
Sep 17 19:36:35.023 INFO kablam!    --> src/puzzle.rs:898:14
Sep 17 19:36:35.023 INFO kablam!     |
Sep 17 19:36:35.023 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Sep 17 19:36:35.023 INFO kablam!     |              ----^
Sep 17 19:36:35.023 INFO kablam!     |              |
Sep 17 19:36:35.023 INFO kablam!     |              help: remove this `mut`
Sep 17 19:36:35.023 INFO kablam! 
Sep 17 19:36:37.238 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.45s
Sep 17 19:36:37.243 INFO kablam! su: No module specific data is present
Sep 17 19:36:37.761 INFO running `"docker" "rm" "-f" "ac2bedbdab5256334c10fcc562a7de435ccb5997ed60f1591d63c6917f52dff4"`
Sep 17 19:36:37.960 INFO blam! ac2bedbdab5256334c10fcc562a7de435ccb5997ed60f1591d63c6917f52dff4