Oct 13 10:31:31.211 INFO checking puzzle-solver-0.4.1 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 10:31:31.212 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 10:31:31.779 INFO blam! 4c4b0b35bef43d1561ad2d5ce00a87f5623f37871082057dc200bedbd028d3ae
Oct 13 10:31:31.781 INFO running `"docker" "start" "-a" "4c4b0b35bef43d1561ad2d5ce00a87f5623f37871082057dc200bedbd028d3ae"`
Oct 13 10:31:32.323 INFO kablam! usermod: no changes
Oct 13 10:31:32.381 INFO kablam!     Checking num-rational v0.1.42
Oct 13 10:31:33.161 INFO kablam!     Checking puzzle-solver v0.4.1 (/source)
Oct 13 10:31:34.290 INFO kablam! warning: variable does not need to be mutable
Oct 13 10:31:34.290 INFO kablam!    --> src/puzzle.rs:898:14
Oct 13 10:31:34.290 INFO kablam!     |
Oct 13 10:31:34.290 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Oct 13 10:31:34.290 INFO kablam!     |              ----^
Oct 13 10:31:34.290 INFO kablam!     |              |
Oct 13 10:31:34.290 INFO kablam!     |              help: remove this `mut`
Oct 13 10:31:34.290 INFO kablam!     |
Oct 13 10:31:34.290 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 10:31:34.290 INFO kablam! 
Oct 13 10:31:34.290 INFO kablam! warning: variable does not need to be mutable
Oct 13 10:31:34.290 INFO kablam!    --> src/puzzle.rs:898:21
Oct 13 10:31:34.290 INFO kablam!     |
Oct 13 10:31:34.290 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Oct 13 10:31:34.290 INFO kablam!     |                     ----^
Oct 13 10:31:34.290 INFO kablam!     |                     |
Oct 13 10:31:34.290 INFO kablam!     |                     help: remove this `mut`
Oct 13 10:31:34.290 INFO kablam! 
Oct 13 10:31:34.563 INFO kablam! warning: variable does not need to be mutable
Oct 13 10:31:34.563 INFO kablam!    --> src/puzzle.rs:898:14
Oct 13 10:31:34.563 INFO kablam!     |
Oct 13 10:31:34.563 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Oct 13 10:31:34.563 INFO kablam!     |              ----^
Oct 13 10:31:34.563 INFO kablam!     |              |
Oct 13 10:31:34.563 INFO kablam!     |              help: remove this `mut`
Oct 13 10:31:34.563 INFO kablam!     |
Oct 13 10:31:34.563 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 10:31:34.563 INFO kablam! 
Oct 13 10:31:34.563 INFO kablam! warning: variable does not need to be mutable
Oct 13 10:31:34.563 INFO kablam!    --> src/puzzle.rs:898:21
Oct 13 10:31:34.563 INFO kablam!     |
Oct 13 10:31:34.563 INFO kablam! 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Oct 13 10:31:34.563 INFO kablam!     |                     ----^
Oct 13 10:31:34.563 INFO kablam!     |                     |
Oct 13 10:31:34.563 INFO kablam!     |                     help: remove this `mut`
Oct 13 10:31:34.563 INFO kablam! 
Oct 13 10:31:43.386 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 11.03s
Oct 13 10:31:43.392 INFO kablam! su: No module specific data is present
Oct 13 10:31:43.952 INFO running `"docker" "rm" "-f" "4c4b0b35bef43d1561ad2d5ce00a87f5623f37871082057dc200bedbd028d3ae"`
Oct 13 10:31:44.254 INFO blam! 4c4b0b35bef43d1561ad2d5ce00a87f5623f37871082057dc200bedbd028d3ae