Nov 28 20:14:07.912 INFO checking puzzle-solver-0.4.1 against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 20:14:07.913 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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"`
Nov 28 20:14:08.285 INFO [stdout] 0fdddf21b02330100db2d30c280e558028716651d512c0fac1e24f10c4a507e1
Nov 28 20:14:08.293 INFO running `"docker" "start" "-a" "0fdddf21b02330100db2d30c280e558028716651d512c0fac1e24f10c4a507e1"`
Nov 28 20:14:09.855 INFO [stderr] usermod: no changes
Nov 28 20:14:09.937 INFO [stderr]     Checking num-rational v0.1.42
Nov 28 20:14:10.660 INFO [stderr]     Checking puzzle-solver v0.4.1 (/source)
Nov 28 20:14:11.783 INFO [stderr] warning: variable does not need to be mutable
Nov 28 20:14:11.783 INFO [stderr]    --> src/puzzle.rs:898:21
Nov 28 20:14:11.783 INFO [stderr]     |
Nov 28 20:14:11.783 INFO [stderr] 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Nov 28 20:14:11.783 INFO [stderr]     |                     ----^
Nov 28 20:14:11.783 INFO [stderr]     |                     |
Nov 28 20:14:11.783 INFO [stderr]     |                     help: remove this `mut`
Nov 28 20:14:11.783 INFO [stderr]     |
Nov 28 20:14:11.783 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 20:14:11.783 INFO [stderr] 
Nov 28 20:14:11.783 INFO [stderr] warning: variable does not need to be mutable
Nov 28 20:14:11.783 INFO [stderr]    --> src/puzzle.rs:898:14
Nov 28 20:14:11.783 INFO [stderr]     |
Nov 28 20:14:11.783 INFO [stderr] 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Nov 28 20:14:11.783 INFO [stderr]     |              ----^
Nov 28 20:14:11.783 INFO [stderr]     |              |
Nov 28 20:14:11.783 INFO [stderr]     |              help: remove this `mut`
Nov 28 20:14:11.783 INFO [stderr] 
Nov 28 20:14:12.176 INFO [stderr] warning: variable does not need to be mutable
Nov 28 20:14:12.176 INFO [stderr]    --> src/puzzle.rs:898:21
Nov 28 20:14:12.176 INFO [stderr]     |
Nov 28 20:14:12.176 INFO [stderr] 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Nov 28 20:14:12.176 INFO [stderr]     |                     ----^
Nov 28 20:14:12.176 INFO [stderr]     |                     |
Nov 28 20:14:12.176 INFO [stderr]     |                     help: remove this `mut`
Nov 28 20:14:12.176 INFO [stderr]     |
Nov 28 20:14:12.176 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 20:14:12.176 INFO [stderr] 
Nov 28 20:14:12.176 INFO [stderr] warning: variable does not need to be mutable
Nov 28 20:14:12.176 INFO [stderr]    --> src/puzzle.rs:898:14
Nov 28 20:14:12.176 INFO [stderr]     |
Nov 28 20:14:12.176 INFO [stderr] 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Nov 28 20:14:12.176 INFO [stderr]     |              ----^
Nov 28 20:14:12.176 INFO [stderr]     |              |
Nov 28 20:14:12.176 INFO [stderr]     |              help: remove this `mut`
Nov 28 20:14:12.176 INFO [stderr] 
Nov 28 20:14:17.464 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.58s
Nov 28 20:14:17.464 INFO [stderr] su: No module specific data is present
Nov 28 20:14:17.990 INFO running `"docker" "inspect" "0fdddf21b02330100db2d30c280e558028716651d512c0fac1e24f10c4a507e1"`
Nov 28 20:14:18.294 INFO running `"docker" "rm" "-f" "0fdddf21b02330100db2d30c280e558028716651d512c0fac1e24f10c4a507e1"`
Nov 28 20:14:18.614 INFO [stdout] 0fdddf21b02330100db2d30c280e558028716651d512c0fac1e24f10c4a507e1