Sep 21 05:20:29.579 INFO checking puzzle-solver-0.4.1 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 05:20:29.579 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 05:20:29.579 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-0/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 05:20:29.744 INFO blam! 6d41fe7e6a533b531946a605ec19279f11db5760697d9fb1074ae852f2f1b895
Sep 21 05:20:29.746 INFO running `"docker" "start" "-a" "6d41fe7e6a533b531946a605ec19279f11db5760697d9fb1074ae852f2f1b895"`
Sep 21 05:20:30.522 INFO kablam! usermod: no changes
Sep 21 05:20:30.567 INFO kablam!     Checking num-rational v0.1.42
Sep 21 05:20:31.048 INFO kablam!     Checking puzzle-solver v0.4.1 (/source)
Sep 21 05:20:31.590 INFO kablam! warning: variable does not need to be mutable
Sep 21 05:20:31.590 INFO kablam!    --> src/puzzle.rs:898:21
Sep 21 05:20:31.590 INFO kablam!     |
Sep 21 05:20:31.590 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Sep 21 05:20:31.590 INFO kablam!     |                     ----^
Sep 21 05:20:31.590 INFO kablam!     |                     |
Sep 21 05:20:31.590 INFO kablam!     |                     help: remove this `mut`
Sep 21 05:20:31.590 INFO kablam!     |
Sep 21 05:20:31.590 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 21 05:20:31.590 INFO kablam! 
Sep 21 05:20:31.590 INFO kablam! warning: variable does not need to be mutable
Sep 21 05:20:31.590 INFO kablam!    --> src/puzzle.rs:898:14
Sep 21 05:20:31.590 INFO kablam!     |
Sep 21 05:20:31.590 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Sep 21 05:20:31.590 INFO kablam!     |              ----^
Sep 21 05:20:31.590 INFO kablam!     |              |
Sep 21 05:20:31.590 INFO kablam!     |              help: remove this `mut`
Sep 21 05:20:31.590 INFO kablam! 
Sep 21 05:20:31.798 INFO kablam! warning: variable does not need to be mutable
Sep 21 05:20:31.798 INFO kablam!    --> src/puzzle.rs:898:21
Sep 21 05:20:31.798 INFO kablam!     |
Sep 21 05:20:31.798 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Sep 21 05:20:31.798 INFO kablam!     |                     ----^
Sep 21 05:20:31.798 INFO kablam!     |                     |
Sep 21 05:20:31.798 INFO kablam!     |                     help: remove this `mut`
Sep 21 05:20:31.798 INFO kablam!     |
Sep 21 05:20:31.798 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 21 05:20:31.798 INFO kablam! 
Sep 21 05:20:31.798 INFO kablam! warning: variable does not need to be mutable
Sep 21 05:20:31.798 INFO kablam!    --> src/puzzle.rs:898:14
Sep 21 05:20:31.798 INFO kablam!     |
Sep 21 05:20:31.798 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Sep 21 05:20:31.798 INFO kablam!     |              ----^
Sep 21 05:20:31.798 INFO kablam!     |              |
Sep 21 05:20:31.798 INFO kablam!     |              help: remove this `mut`
Sep 21 05:20:31.798 INFO kablam! 
Sep 21 05:20:33.278 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
Sep 21 05:20:33.294 INFO kablam! su: No module specific data is present
Sep 21 05:20:34.268 INFO running `"docker" "rm" "-f" "6d41fe7e6a533b531946a605ec19279f11db5760697d9fb1074ae852f2f1b895"`
Sep 21 05:20:34.414 INFO blam! 6d41fe7e6a533b531946a605ec19279f11db5760697d9fb1074ae852f2f1b895