Dec 04 08:13:55.456 INFO checking trafficland/counter against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 08:13:55.456 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 08:13:58.103 INFO [stdout] abd7abc541879a90f954d2b1e3c1d01f62e91b17cb86dfa3fe51402775ac451b
Dec 04 08:13:58.107 INFO running `"docker" "start" "-a" "abd7abc541879a90f954d2b1e3c1d01f62e91b17cb86dfa3fe51402775ac451b"`
Dec 04 08:13:59.291 INFO [stderr] usermod: no changes
Dec 04 08:13:59.451 INFO [stderr]    Compiling num-traits v0.1.37
Dec 04 08:13:59.451 INFO [stderr]    Compiling libc v0.2.22
Dec 04 08:13:59.455 INFO [stderr]     Checking regex-syntax v0.4.0
Dec 04 08:13:59.455 INFO [stderr]     Checking scopeguard v0.1.2
Dec 04 08:13:59.455 INFO [stderr]     Checking same-file v0.1.3
Dec 04 08:13:59.455 INFO [stderr]     Checking vec_map v0.7.0
Dec 04 08:13:59.455 INFO [stderr]    Compiling names v0.11.0
Dec 04 08:13:59.455 INFO [stderr]     Checking variance v0.1.3
Dec 04 08:14:00.487 INFO [stderr]     Checking num-integer v0.1.34
Dec 04 08:14:00.835 INFO [stderr]     Checking memchr v0.1.11
Dec 04 08:14:01.035 INFO [stderr]     Checking memchr v1.0.1
Dec 04 08:14:02.839 INFO [stderr]     Checking thread-id v3.0.0
Dec 04 08:14:02.845 INFO [stderr]     Checking rand v0.3.15
Dec 04 08:14:02.845 INFO [stderr]     Checking num_cpus v1.4.0
Dec 04 08:14:03.028 INFO [stderr]     Checking scoped-pool v1.0.0
Dec 04 08:14:04.088 INFO [stderr]     Checking walkdir v1.0.7
Dec 04 08:14:04.444 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 04 08:14:04.487 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 04 08:14:04.955 INFO [stderr]     Checking clap v2.23.3
Dec 04 08:14:05.731 INFO [stderr]     Checking num-iter v0.1.33
Dec 04 08:14:06.555 INFO [stderr]     Checking thread_local v0.3.3
Dec 04 08:14:07.512 INFO [stderr]    Compiling time v0.1.37
Dec 04 08:14:08.755 INFO [stderr]     Checking thread-id v2.0.0
Dec 04 08:14:08.757 INFO [stderr]     Checking num v0.1.37
Dec 04 08:14:09.648 INFO [stderr]     Checking chrono v0.2.25
Dec 04 08:14:09.701 INFO [stderr]     Checking thread_local v0.2.7
Dec 04 08:14:11.869 INFO [stderr]     Checking regex v0.1.80
Dec 04 08:14:13.543 INFO [stderr]     Checking regex v0.2.1
Dec 04 08:14:18.539 INFO [stderr]     Checking elp v2.0.0
Dec 04 08:14:21.274 INFO [stderr]     Checking env_logger v0.3.5
Dec 04 08:14:23.765 INFO [stderr]    Compiling counter v1.0.0 (/source)
Dec 04 08:14:27.835 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:14:27.835 INFO [stderr]   --> src/aggregation_control.rs:24:39
Dec 04 08:14:27.835 INFO [stderr]    |
Dec 04 08:14:27.835 INFO [stderr] 24 |     pub fn run_aggregation(&mut self, mut filenames: &mut Vec<PathBuf>) -> FileAggregation {
Dec 04 08:14:27.835 INFO [stderr]    |                                       ----^^^^^^^^^
Dec 04 08:14:27.835 INFO [stderr]    |                                       |
Dec 04 08:14:27.835 INFO [stderr]    |                                       help: remove this `mut`
Dec 04 08:14:27.835 INFO [stderr]    |
Dec 04 08:14:27.836 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 08:14:27.836 INFO [stderr] 
Dec 04 08:14:28.611 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:14:28.611 INFO [stderr]    --> src/file_handling.rs:355:23
Dec 04 08:14:28.611 INFO [stderr]     |
Dec 04 08:14:28.611 INFO [stderr] 355 |                 .map(|mut g| g.next().unwrap())
Dec 04 08:14:28.611 INFO [stderr]     |                       ----^
Dec 04 08:14:28.611 INFO [stderr]     |                       |
Dec 04 08:14:28.611 INFO [stderr]     |                       help: remove this `mut`
Dec 04 08:14:28.611 INFO [stderr]     |
Dec 04 08:14:28.611 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 08:14:28.611 INFO [stderr] 
Dec 04 08:14:28.731 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:14:28.731 INFO [stderr]   --> src/aggregation_control.rs:24:39
Dec 04 08:14:28.731 INFO [stderr]    |
Dec 04 08:14:28.731 INFO [stderr] 24 |     pub fn run_aggregation(&mut self, mut filenames: &mut Vec<PathBuf>) -> FileAggregation {
Dec 04 08:14:28.731 INFO [stderr]    |                                       ----^^^^^^^^^
Dec 04 08:14:28.731 INFO [stderr]    |                                       |
Dec 04 08:14:28.731 INFO [stderr]    |                                       help: remove this `mut`
Dec 04 08:14:28.731 INFO [stderr] 
Dec 04 08:14:29.167 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:14:29.167 INFO [stderr]   --> src/main.rs:96:52
Dec 04 08:14:29.167 INFO [stderr]    |
Dec 04 08:14:29.167 INFO [stderr] 96 |     fn run(&mut self, num_file_aggregators: usize, mut filenames: &mut Vec<PathBuf>) -> counter::FileAggregation {
Dec 04 08:14:29.167 INFO [stderr]    |                                                    ----^^^^^^^^^
Dec 04 08:14:29.167 INFO [stderr]    |                                                    |
Dec 04 08:14:29.167 INFO [stderr]    |                                                    help: remove this `mut`
Dec 04 08:14:29.167 INFO [stderr]    |
Dec 04 08:14:29.167 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 08:14:29.167 INFO [stderr] 
Dec 04 08:14:29.249 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:14:29.250 INFO [stderr]   --> src/main.rs:96:52
Dec 04 08:14:29.250 INFO [stderr]    |
Dec 04 08:14:29.250 INFO [stderr] 96 |     fn run(&mut self, num_file_aggregators: usize, mut filenames: &mut Vec<PathBuf>) -> counter::FileAggregation {
Dec 04 08:14:29.250 INFO [stderr]    |                                                    ----^^^^^^^^^
Dec 04 08:14:29.250 INFO [stderr]    |                                                    |
Dec 04 08:14:29.250 INFO [stderr]    |                                                    help: remove this `mut`
Dec 04 08:14:29.250 INFO [stderr]    |
Dec 04 08:14:29.250 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 08:14:29.250 INFO [stderr] 
Dec 04 08:14:29.302 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.98s
Dec 04 08:14:29.309 INFO [stderr] su: No module specific data is present
Dec 04 08:14:30.505 INFO running `"docker" "inspect" "abd7abc541879a90f954d2b1e3c1d01f62e91b17cb86dfa3fe51402775ac451b"`
Dec 04 08:14:30.883 INFO running `"docker" "rm" "-f" "abd7abc541879a90f954d2b1e3c1d01f62e91b17cb86dfa3fe51402775ac451b"`
Dec 04 08:14:31.243 INFO [stdout] abd7abc541879a90f954d2b1e3c1d01f62e91b17cb86dfa3fe51402775ac451b