Sep 06 02:08:30.932 INFO checking puzzle-solver-0.4.1 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 02:08:30.932 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 02:08:30.932 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-1/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 02:08:31.213 INFO blam! e983adf56196052d00d27180669990a80eec77d95eeb51f3130604f44bd2e446
Sep 06 02:08:31.218 INFO running `"docker" "start" "-a" "e983adf56196052d00d27180669990a80eec77d95eeb51f3130604f44bd2e446"`
Sep 06 02:08:32.798 INFO kablam! usermod: no changes
Sep 06 02:08:32.910 INFO kablam!     Checking num-rational v0.1.42
Sep 06 02:08:33.582 INFO kablam!     Checking puzzle-solver v0.4.1 (file:///source)
Sep 06 02:08:35.090 INFO kablam! warning: variable does not need to be mutable
Sep 06 02:08:35.090 INFO kablam!    --> src/puzzle.rs:898:21
Sep 06 02:08:35.090 INFO kablam!     |
Sep 06 02:08:35.090 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Sep 06 02:08:35.090 INFO kablam!     |                     ----^
Sep 06 02:08:35.090 INFO kablam!     |                     |
Sep 06 02:08:35.090 INFO kablam!     |                     help: remove this `mut`
Sep 06 02:08:35.090 INFO kablam!     |
Sep 06 02:08:35.090 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 06 02:08:35.090 INFO kablam! 
Sep 06 02:08:35.090 INFO kablam! warning: variable does not need to be mutable
Sep 06 02:08:35.090 INFO kablam!    --> src/puzzle.rs:898:14
Sep 06 02:08:35.090 INFO kablam!     |
Sep 06 02:08:35.090 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Sep 06 02:08:35.090 INFO kablam!     |              ----^
Sep 06 02:08:35.090 INFO kablam!     |              |
Sep 06 02:08:35.090 INFO kablam!     |              help: remove this `mut`
Sep 06 02:08:35.090 INFO kablam! 
Sep 06 02:08:36.202 INFO kablam! warning: variable does not need to be mutable
Sep 06 02:08:36.202 INFO kablam!    --> src/puzzle.rs:898:21
Sep 06 02:08:36.202 INFO kablam!     |
Sep 06 02:08:36.202 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Sep 06 02:08:36.202 INFO kablam!     |                     ----^
Sep 06 02:08:36.202 INFO kablam!     |                     |
Sep 06 02:08:36.202 INFO kablam!     |                     help: remove this `mut`
Sep 06 02:08:36.202 INFO kablam!     |
Sep 06 02:08:36.202 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 06 02:08:36.202 INFO kablam! 
Sep 06 02:08:36.202 INFO kablam! warning: variable does not need to be mutable
Sep 06 02:08:36.202 INFO kablam!    --> src/puzzle.rs:898:14
Sep 06 02:08:36.202 INFO kablam!     |
Sep 06 02:08:36.202 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Sep 06 02:08:36.202 INFO kablam!     |              ----^
Sep 06 02:08:36.202 INFO kablam!     |              |
Sep 06 02:08:36.202 INFO kablam!     |              help: remove this `mut`
Sep 06 02:08:36.202 INFO kablam! 
Sep 06 02:08:39.438 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.61s
Sep 06 02:08:39.442 INFO kablam! su: No module specific data is present
Sep 06 02:08:40.348 INFO running `"docker" "rm" "-f" "e983adf56196052d00d27180669990a80eec77d95eeb51f3130604f44bd2e446"`
Sep 06 02:08:40.455 INFO blam! e983adf56196052d00d27180669990a80eec77d95eeb51f3130604f44bd2e446