Dec 12 00:49:59.500 INFO checking PlasmaPower/kmer-counter against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 00:49:59.500 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 12 00:49:59.940 INFO [stdout] 83664d854afee61b09d1a63deb5277ae6e22b0877ed73921b3708801ed3ab560
Dec 12 00:49:59.942 INFO running `"docker" "start" "-a" "83664d854afee61b09d1a63deb5277ae6e22b0877ed73921b3708801ed3ab560"`
Dec 12 00:50:01.855 INFO [stderr] usermod: no changes
Dec 12 00:50:02.060 INFO [stderr]     Checking memmap v0.5.0
Dec 12 00:50:02.060 INFO [stderr]     Checking jobsteal v0.5.1
Dec 12 00:50:02.072 INFO [stderr]     Checking backtrace v0.3.0
Dec 12 00:50:03.993 INFO [stderr]     Checking error-chain v0.7.1
Dec 12 00:50:05.109 INFO [stderr]     Checking kmer-counter v0.1.0 (/source)
Dec 12 00:50:07.411 INFO [stderr] warning: variable does not need to be mutable
Dec 12 00:50:07.411 INFO [stderr]   --> src/kmer_tree.rs:42:24
Dec 12 00:50:07.411 INFO [stderr]    |
Dec 12 00:50:07.411 INFO [stderr] 42 |         while let Some(mut count) = self.counts.get_mut(self.index) {
Dec 12 00:50:07.411 INFO [stderr]    |                        ----^^^^^
Dec 12 00:50:07.411 INFO [stderr]    |                        |
Dec 12 00:50:07.411 INFO [stderr]    |                        help: remove this `mut`
Dec 12 00:50:07.411 INFO [stderr]    |
Dec 12 00:50:07.411 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 00:50:07.411 INFO [stderr] 
Dec 12 00:50:07.470 INFO [stderr] warning: variable does not need to be mutable
Dec 12 00:50:07.470 INFO [stderr]   --> src/kmer_tree.rs:42:24
Dec 12 00:50:07.470 INFO [stderr]    |
Dec 12 00:50:07.470 INFO [stderr] 42 |         while let Some(mut count) = self.counts.get_mut(self.index) {
Dec 12 00:50:07.470 INFO [stderr]    |                        ----^^^^^
Dec 12 00:50:07.470 INFO [stderr]    |                        |
Dec 12 00:50:07.470 INFO [stderr]    |                        help: remove this `mut`
Dec 12 00:50:07.470 INFO [stderr]    |
Dec 12 00:50:07.470 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 00:50:07.470 INFO [stderr] 
Dec 12 00:50:07.601 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.71s
Dec 12 00:50:07.607 INFO [stderr] su: No module specific data is present
Dec 12 00:50:08.352 INFO running `"docker" "inspect" "83664d854afee61b09d1a63deb5277ae6e22b0877ed73921b3708801ed3ab560"`
Dec 12 00:50:08.758 INFO running `"docker" "rm" "-f" "83664d854afee61b09d1a63deb5277ae6e22b0877ed73921b3708801ed3ab560"`
Dec 12 00:50:09.012 INFO [stdout] 83664d854afee61b09d1a63deb5277ae6e22b0877ed73921b3708801ed3ab560