Aug 31 17:58:47.972 INFO checking puzzle-solver-0.4.1 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 17:58:47.972 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 17:58:47.972 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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=500" "-e" "CMD=cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 17:58:48.145 INFO blam! 8375335fb64e740194d80c408f8b2567129dc85c6b433cbca8f24b7bbcbff678
Aug 31 17:58:48.147 INFO running `"docker" "start" "-a" "8375335fb64e740194d80c408f8b2567129dc85c6b433cbca8f24b7bbcbff678"`
Aug 31 17:58:48.809 INFO kablam!     Checking num-rational v0.1.42
Aug 31 17:58:49.815 INFO kablam!     Checking puzzle-solver v0.4.1 (file:///source)
Aug 31 17:58:51.155 INFO kablam! warning: variable does not need to be mutable
Aug 31 17:58:51.155 INFO kablam!    --> src/puzzle.rs:898:21
Aug 31 17:58:51.155 INFO kablam!     |
Aug 31 17:58:51.155 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Aug 31 17:58:51.155 INFO kablam!     |                     ----^
Aug 31 17:58:51.155 INFO kablam!     |                     |
Aug 31 17:58:51.155 INFO kablam!     |                     help: remove this `mut`
Aug 31 17:58:51.155 INFO kablam!     |
Aug 31 17:58:51.155 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 31 17:58:51.155 INFO kablam! 
Aug 31 17:58:51.155 INFO kablam! warning: variable does not need to be mutable
Aug 31 17:58:51.155 INFO kablam!    --> src/puzzle.rs:898:14
Aug 31 17:58:51.155 INFO kablam!     |
Aug 31 17:58:51.155 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Aug 31 17:58:51.155 INFO kablam!     |              ----^
Aug 31 17:58:51.155 INFO kablam!     |              |
Aug 31 17:58:51.155 INFO kablam!     |              help: remove this `mut`
Aug 31 17:58:51.155 INFO kablam! 
Aug 31 17:58:51.436 INFO kablam! warning: variable does not need to be mutable
Aug 31 17:58:51.436 INFO kablam!    --> src/puzzle.rs:898:21
Aug 31 17:58:51.436 INFO kablam!     |
Aug 31 17:58:51.436 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Aug 31 17:58:51.436 INFO kablam!     |                     ----^
Aug 31 17:58:51.436 INFO kablam!     |                     |
Aug 31 17:58:51.436 INFO kablam!     |                     help: remove this `mut`
Aug 31 17:58:51.436 INFO kablam!     |
Aug 31 17:58:51.437 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 31 17:58:51.437 INFO kablam! 
Aug 31 17:58:51.437 INFO kablam! warning: variable does not need to be mutable
Aug 31 17:58:51.437 INFO kablam!    --> src/puzzle.rs:898:14
Aug 31 17:58:51.437 INFO kablam!     |
Aug 31 17:58:51.437 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Aug 31 17:58:51.437 INFO kablam!     |              ----^
Aug 31 17:58:51.437 INFO kablam!     |              |
Aug 31 17:58:51.437 INFO kablam!     |              help: remove this `mut`
Aug 31 17:58:51.437 INFO kablam! 
Aug 31 17:58:55.780 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.00s
Aug 31 17:58:55.793 INFO kablam! su: No module specific data is present
Aug 31 17:58:56.226 INFO running `"docker" "rm" "-f" "8375335fb64e740194d80c408f8b2567129dc85c6b433cbca8f24b7bbcbff678"`
Aug 31 17:58:56.325 INFO blam! 8375335fb64e740194d80c408f8b2567129dc85c6b433cbca8f24b7bbcbff678