Dec 19 06:45:02.126 INFO checking trafficland/counter against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 06:45:02.126 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/trafficland/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 06:45:02.689 INFO [stdout] b6aee7730c72c6f36a5757aab5860a48a7196fd4f79ff337628064b204758b90
Dec 19 06:45:02.691 INFO running `"docker" "start" "-a" "b6aee7730c72c6f36a5757aab5860a48a7196fd4f79ff337628064b204758b90"`
Dec 19 06:45:04.701 INFO [stderr]    Compiling libc v0.2.22
Dec 19 06:45:04.702 INFO [stderr]     Checking scopeguard v0.1.2
Dec 19 06:45:04.703 INFO [stderr]     Checking vec_map v0.7.0
Dec 19 06:45:04.703 INFO [stderr]    Compiling names v0.11.0
Dec 19 06:45:04.703 INFO [stderr]     Checking crossbeam v0.2.10
Dec 19 06:45:04.709 INFO [stderr]     Checking variance v0.1.3
Dec 19 06:45:04.709 INFO [stderr]    Compiling num-integer v0.1.34
Dec 19 06:45:05.548 INFO [stderr]     Checking memchr v0.1.11
Dec 19 06:45:06.980 INFO [stderr]     Checking memchr v1.0.1
Dec 19 06:45:07.000 INFO [stderr]     Checking thread-id v3.0.0
Dec 19 06:45:07.016 INFO [stderr]     Checking term_size v0.3.0
Dec 19 06:45:07.232 INFO [stderr]     Checking atty v0.2.2
Dec 19 06:45:07.509 INFO [stderr]     Checking num_cpus v1.4.0
Dec 19 06:45:07.552 INFO [stderr]     Checking rand v0.3.15
Dec 19 06:45:07.568 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 19 06:45:07.776 INFO [stderr]     Checking num-iter v0.1.33
Dec 19 06:45:08.108 INFO [stderr]     Checking thread_local v0.3.3
Dec 19 06:45:08.250 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 19 06:45:08.516 INFO [stderr]     Checking clap v2.23.3
Dec 19 06:45:09.126 INFO [stderr]     Checking thread-id v2.0.0
Dec 19 06:45:09.209 INFO [stderr]     Checking num v0.1.37
Dec 19 06:45:09.233 INFO [stderr]     Checking scoped-pool v1.0.0
Dec 19 06:45:09.873 INFO [stderr]     Checking chrono v0.2.25
Dec 19 06:45:10.205 INFO [stderr]     Checking thread_local v0.2.7
Dec 19 06:45:10.468 INFO [stderr]    Compiling time v0.1.37
Dec 19 06:45:11.048 INFO [stderr]     Checking regex v0.2.1
Dec 19 06:45:11.053 INFO [stderr]     Checking regex v0.1.80
Dec 19 06:45:18.370 INFO [stderr]     Checking elp v2.0.0
Dec 19 06:45:19.400 INFO [stderr]     Checking env_logger v0.3.5
Dec 19 06:45:21.440 INFO [stderr]    Compiling counter v1.0.0 (/opt/crater/workdir)
Dec 19 06:45:25.644 INFO [stderr] warning: variable does not need to be mutable
Dec 19 06:45:25.644 INFO [stderr]   --> src/aggregation_control.rs:24:39
Dec 19 06:45:25.644 INFO [stderr]    |
Dec 19 06:45:25.644 INFO [stderr] 24 |     pub fn run_aggregation(&mut self, mut filenames: &mut Vec<PathBuf>) -> FileAggregation {
Dec 19 06:45:25.644 INFO [stderr]    |                                       ----^^^^^^^^^
Dec 19 06:45:25.644 INFO [stderr]    |                                       |
Dec 19 06:45:25.644 INFO [stderr]    |                                       help: remove this `mut`
Dec 19 06:45:25.644 INFO [stderr]    |
Dec 19 06:45:25.644 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 06:45:25.644 INFO [stderr] 
Dec 19 06:45:25.800 INFO [stderr] warning: variable does not need to be mutable
Dec 19 06:45:25.800 INFO [stderr]    --> src/file_handling.rs:355:23
Dec 19 06:45:25.800 INFO [stderr]     |
Dec 19 06:45:25.800 INFO [stderr] 355 |                 .map(|mut g| g.next().unwrap())
Dec 19 06:45:25.800 INFO [stderr]     |                       ----^
Dec 19 06:45:25.800 INFO [stderr]     |                       |
Dec 19 06:45:25.800 INFO [stderr]     |                       help: remove this `mut`
Dec 19 06:45:25.821 INFO [stderr]     |
Dec 19 06:45:25.821 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 06:45:25.821 INFO [stderr] 
Dec 19 06:45:25.896 INFO [stderr] warning: variable does not need to be mutable
Dec 19 06:45:25.896 INFO [stderr]   --> src/aggregation_control.rs:24:39
Dec 19 06:45:25.896 INFO [stderr]    |
Dec 19 06:45:25.896 INFO [stderr] 24 |     pub fn run_aggregation(&mut self, mut filenames: &mut Vec<PathBuf>) -> FileAggregation {
Dec 19 06:45:25.896 INFO [stderr]    |                                       ----^^^^^^^^^
Dec 19 06:45:25.896 INFO [stderr]    |                                       |
Dec 19 06:45:25.896 INFO [stderr]    |                                       help: remove this `mut`
Dec 19 06:45:25.896 INFO [stderr] 
Dec 19 06:45:26.407 INFO [stderr] warning: variable does not need to be mutable
Dec 19 06:45:26.407 INFO [stderr]   --> src/main.rs:96:52
Dec 19 06:45:26.407 INFO [stderr]    |
Dec 19 06:45:26.407 INFO [stderr] 96 |     fn run(&mut self, num_file_aggregators: usize, mut filenames: &mut Vec<PathBuf>) -> counter::FileAggregation {
Dec 19 06:45:26.407 INFO [stderr]    |                                                    ----^^^^^^^^^
Dec 19 06:45:26.407 INFO [stderr]    |                                                    |
Dec 19 06:45:26.407 INFO [stderr]    |                                                    help: remove this `mut`
Dec 19 06:45:26.407 INFO [stderr]    |
Dec 19 06:45:26.407 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 06:45:26.407 INFO [stderr] 
Dec 19 06:45:26.540 INFO [stderr] warning: variable does not need to be mutable
Dec 19 06:45:26.540 INFO [stderr]   --> src/main.rs:96:52
Dec 19 06:45:26.540 INFO [stderr]    |
Dec 19 06:45:26.540 INFO [stderr] 96 |     fn run(&mut self, num_file_aggregators: usize, mut filenames: &mut Vec<PathBuf>) -> counter::FileAggregation {
Dec 19 06:45:26.540 INFO [stderr]    |                                                    ----^^^^^^^^^
Dec 19 06:45:26.540 INFO [stderr]    |                                                    |
Dec 19 06:45:26.540 INFO [stderr]    |                                                    help: remove this `mut`
Dec 19 06:45:26.540 INFO [stderr]    |
Dec 19 06:45:26.540 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 06:45:26.540 INFO [stderr] 
Dec 19 06:45:26.624 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.06s
Dec 19 06:45:27.588 INFO running `"docker" "inspect" "b6aee7730c72c6f36a5757aab5860a48a7196fd4f79ff337628064b204758b90"`
Dec 19 06:45:27.864 INFO running `"docker" "rm" "-f" "b6aee7730c72c6f36a5757aab5860a48a7196fd4f79ff337628064b204758b90"`
Dec 19 06:45:28.208 INFO [stdout] b6aee7730c72c6f36a5757aab5860a48a7196fd4f79ff337628064b204758b90