Dec 18 05:53:38.037 INFO checking PlasmaPower/kmer-counter against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 05:53:38.037 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/PlasmaPower/kmer-counter:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 05:53:38.439 INFO [stdout] 9d31e73613bb9357771f1979ff6058eb512896c50bf662480c619e0e1fd8a24f
Dec 18 05:53:38.448 INFO running `"docker" "start" "-a" "9d31e73613bb9357771f1979ff6058eb512896c50bf662480c619e0e1fd8a24f"`
Dec 18 05:53:40.577 INFO [stderr]    Compiling backtrace-sys v0.1.5
Dec 18 05:53:40.586 INFO [stderr]     Checking memmap v0.5.0
Dec 18 05:53:40.593 INFO [stderr]     Checking clap v2.19.0
Dec 18 05:53:40.593 INFO [stderr]     Checking jobsteal v0.5.1
Dec 18 05:53:43.220 INFO [stderr]     Checking backtrace v0.3.0
Dec 18 05:53:43.729 INFO [stderr]     Checking error-chain v0.7.1
Dec 18 05:53:47.356 INFO [stderr]     Checking kmer-counter v0.1.0 (/opt/crater/workdir)
Dec 18 05:53:48.708 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:53:48.708 INFO [stderr]   --> src/kmer_tree.rs:42:24
Dec 18 05:53:48.708 INFO [stderr]    |
Dec 18 05:53:48.708 INFO [stderr] 42 |         while let Some(mut count) = self.counts.get_mut(self.index) {
Dec 18 05:53:48.708 INFO [stderr]    |                        ----^^^^^
Dec 18 05:53:48.708 INFO [stderr]    |                        |
Dec 18 05:53:48.708 INFO [stderr]    |                        help: remove this `mut`
Dec 18 05:53:48.708 INFO [stderr]    |
Dec 18 05:53:48.708 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 05:53:48.708 INFO [stderr] 
Dec 18 05:53:48.948 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:53:48.948 INFO [stderr]   --> src/kmer_tree.rs:42:24
Dec 18 05:53:48.948 INFO [stderr]    |
Dec 18 05:53:48.948 INFO [stderr] 42 |         while let Some(mut count) = self.counts.get_mut(self.index) {
Dec 18 05:53:48.948 INFO [stderr]    |                        ----^^^^^
Dec 18 05:53:48.948 INFO [stderr]    |                        |
Dec 18 05:53:48.948 INFO [stderr]    |                        help: remove this `mut`
Dec 18 05:53:48.948 INFO [stderr]    |
Dec 18 05:53:48.948 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 05:53:48.948 INFO [stderr] 
Dec 18 05:53:49.094 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.64s
Dec 18 05:53:49.704 INFO running `"docker" "inspect" "9d31e73613bb9357771f1979ff6058eb512896c50bf662480c619e0e1fd8a24f"`
Dec 18 05:53:49.998 INFO running `"docker" "rm" "-f" "9d31e73613bb9357771f1979ff6058eb512896c50bf662480c619e0e1fd8a24f"`
Dec 18 05:53:50.266 INFO [stdout] 9d31e73613bb9357771f1979ff6058eb512896c50bf662480c619e0e1fd8a24f