Dec 11 13:07:34.792 INFO checking muktakosh/unicorn against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 13:07:34.792 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 11 13:07:35.334 INFO [stdout] 18256b09f0d617888c06736a5d9315cddc7d239a3c75e706e489066850cef77a
Dec 11 13:07:35.336 INFO running `"docker" "start" "-a" "18256b09f0d617888c06736a5d9315cddc7d239a3c75e706e489066850cef77a"`
Dec 11 13:07:37.769 INFO [stderr] usermod: no changes
Dec 11 13:07:38.100 INFO [stderr]     Checking bytes v0.3.0
Dec 11 13:07:38.100 INFO [stderr]     Checking slab v0.1.3
Dec 11 13:07:38.120 INFO [stderr]    Compiling ws2_32-sys v0.2.1
Dec 11 13:07:38.120 INFO [stderr]     Checking net2 v0.2.26
Dec 11 13:07:38.121 INFO [stderr]     Checking nix v0.5.1
Dec 11 13:07:38.121 INFO [stderr]     Checking clap v2.19.2
Dec 11 13:07:38.121 INFO [stderr]    Compiling libunicorn v0.0.1 (/source)
Dec 11 13:07:41.675 INFO [stderr]     Checking miow v0.1.5
Dec 11 13:07:48.475 INFO [stderr]     Checking mio v0.5.1
Dec 11 13:07:51.643 INFO [stderr]     Checking ws v0.5.3
Dec 11 13:07:56.060 INFO [stderr] warning: variable does not need to be mutable
Dec 11 13:07:56.061 INFO [stderr]   --> src/router.rs:80:21
Dec 11 13:07:56.061 INFO [stderr]    |
Dec 11 13:07:56.061 INFO [stderr] 80 |         if let Some(mut t) = self.topics.get_mut(topic_id) {
Dec 11 13:07:56.062 INFO [stderr]    |                     ----^
Dec 11 13:07:56.062 INFO [stderr]    |                     |
Dec 11 13:07:56.062 INFO [stderr]    |                     help: remove this `mut`
Dec 11 13:07:56.062 INFO [stderr]    |
Dec 11 13:07:56.063 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 13:07:56.063 INFO [stderr] 
Dec 11 13:07:56.180 INFO [stderr] warning: variable does not need to be mutable
Dec 11 13:07:56.181 INFO [stderr]   --> src/router.rs:80:21
Dec 11 13:07:56.181 INFO [stderr]    |
Dec 11 13:07:56.181 INFO [stderr] 80 |         if let Some(mut t) = self.topics.get_mut(topic_id) {
Dec 11 13:07:56.182 INFO [stderr]    |                     ----^
Dec 11 13:07:56.182 INFO [stderr]    |                     |
Dec 11 13:07:56.182 INFO [stderr]    |                     help: remove this `mut`
Dec 11 13:07:56.183 INFO [stderr]    |
Dec 11 13:07:56.183 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 13:07:56.183 INFO [stderr] 
Dec 11 13:07:58.238 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.44s
Dec 11 13:07:58.247 INFO [stderr] su: No module specific data is present
Dec 11 13:07:59.632 INFO running `"docker" "inspect" "18256b09f0d617888c06736a5d9315cddc7d239a3c75e706e489066850cef77a"`
Dec 11 13:07:59.932 INFO running `"docker" "rm" "-f" "18256b09f0d617888c06736a5d9315cddc7d239a3c75e706e489066850cef77a"`
Dec 11 13:08:00.280 INFO [stdout] 18256b09f0d617888c06736a5d9315cddc7d239a3c75e706e489066850cef77a