Nov 30 17:41:13.660 INFO checking puzzle-solver-0.4.1 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 17:41:13.661 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 17:41:14.152 INFO [stdout] 1e765a25ca9ead46b6f7224fdf65d4f66512b4791b13e73a6330b28c76588773
Nov 30 17:41:14.154 INFO running `"docker" "start" "-a" "1e765a25ca9ead46b6f7224fdf65d4f66512b4791b13e73a6330b28c76588773"`
Nov 30 17:41:15.108 INFO [stderr] usermod: no changes
Nov 30 17:41:15.192 INFO [stderr]     Checking num-rational v0.1.42
Nov 30 17:41:16.048 INFO [stderr]     Checking puzzle-solver v0.4.1 (/source)
Nov 30 17:41:17.300 INFO [stderr] warning: variable does not need to be mutable
Nov 30 17:41:17.300 INFO [stderr]    --> src/puzzle.rs:898:21
Nov 30 17:41:17.300 INFO [stderr]     |
Nov 30 17:41:17.300 INFO [stderr] 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Nov 30 17:41:17.300 INFO [stderr]     |                     ----^
Nov 30 17:41:17.300 INFO [stderr]     |                     |
Nov 30 17:41:17.300 INFO [stderr]     |                     help: remove this `mut`
Nov 30 17:41:17.300 INFO [stderr]     |
Nov 30 17:41:17.300 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 17:41:17.300 INFO [stderr] 
Nov 30 17:41:17.300 INFO [stderr] warning: variable does not need to be mutable
Nov 30 17:41:17.300 INFO [stderr]    --> src/puzzle.rs:898:14
Nov 30 17:41:17.300 INFO [stderr]     |
Nov 30 17:41:17.300 INFO [stderr] 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Nov 30 17:41:17.300 INFO [stderr]     |              ----^
Nov 30 17:41:17.300 INFO [stderr]     |              |
Nov 30 17:41:17.300 INFO [stderr]     |              help: remove this `mut`
Nov 30 17:41:17.300 INFO [stderr] 
Nov 30 17:41:18.316 INFO [stderr] warning: variable does not need to be mutable
Nov 30 17:41:18.316 INFO [stderr]    --> src/puzzle.rs:898:21
Nov 30 17:41:18.316 INFO [stderr]     |
Nov 30 17:41:18.316 INFO [stderr] 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Nov 30 17:41:18.316 INFO [stderr]     |                     ----^
Nov 30 17:41:18.316 INFO [stderr]     |                     |
Nov 30 17:41:18.316 INFO [stderr]     |                     help: remove this `mut`
Nov 30 17:41:18.316 INFO [stderr]     |
Nov 30 17:41:18.316 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 17:41:18.316 INFO [stderr] 
Nov 30 17:41:18.316 INFO [stderr] warning: variable does not need to be mutable
Nov 30 17:41:18.316 INFO [stderr]    --> src/puzzle.rs:898:14
Nov 30 17:41:18.316 INFO [stderr]     |
Nov 30 17:41:18.316 INFO [stderr] 898 |         let (mut l, mut r) = slice.split_at_mut(b);
Nov 30 17:41:18.316 INFO [stderr]     |              ----^
Nov 30 17:41:18.316 INFO [stderr]     |              |
Nov 30 17:41:18.316 INFO [stderr]     |              help: remove this `mut`
Nov 30 17:41:18.316 INFO [stderr] 
Nov 30 17:41:25.565 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.43s
Nov 30 17:41:25.569 INFO [stderr] su: No module specific data is present
Nov 30 17:41:25.928 INFO running `"docker" "inspect" "1e765a25ca9ead46b6f7224fdf65d4f66512b4791b13e73a6330b28c76588773"`
Nov 30 17:41:26.104 INFO running `"docker" "rm" "-f" "1e765a25ca9ead46b6f7224fdf65d4f66512b4791b13e73a6330b28c76588773"`
Nov 30 17:41:26.212 INFO [stdout] 1e765a25ca9ead46b6f7224fdf65d4f66512b4791b13e73a6330b28c76588773