Dec 11 07:22:56.539 INFO checking trafficland/counter against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 07:22:56.539 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 07:23:00.092 INFO [stdout] 8643e75106ca042dbb56800fa3e031268c8018a7e094ced585f1edfc068ddae7
Dec 11 07:23:00.094 INFO running `"docker" "start" "-a" "8643e75106ca042dbb56800fa3e031268c8018a7e094ced585f1edfc068ddae7"`
Dec 11 07:23:01.784 INFO [stderr] usermod: no changes
Dec 11 07:23:02.015 INFO [stderr]    Compiling num-traits v0.1.37
Dec 11 07:23:02.015 INFO [stderr]    Compiling libc v0.2.22
Dec 11 07:23:02.078 INFO [stderr]    Compiling names v0.11.0
Dec 11 07:23:02.078 INFO [stderr]     Checking log v0.3.7
Dec 11 07:23:02.085 INFO [stderr]     Checking scopeguard v0.1.2
Dec 11 07:23:02.085 INFO [stderr]     Checking variance v0.1.3
Dec 11 07:23:02.086 INFO [stderr]     Checking crossbeam v0.2.10
Dec 11 07:23:03.378 INFO [stderr]     Checking vec_map v0.7.0
Dec 11 07:23:03.722 INFO [stderr]     Checking memchr v0.1.11
Dec 11 07:23:05.310 INFO [stderr]     Checking thread-id v3.0.0
Dec 11 07:23:05.336 INFO [stderr]     Checking time v0.1.37
Dec 11 07:23:06.091 INFO [stderr]     Checking memchr v1.0.1
Dec 11 07:23:06.353 INFO [stderr]     Checking term_size v0.3.0
Dec 11 07:23:06.467 INFO [stderr]     Checking atty v0.2.2
Dec 11 07:23:06.490 INFO [stderr]     Checking num_cpus v1.4.0
Dec 11 07:23:07.683 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 11 07:23:07.797 INFO [stderr]     Checking scoped-pool v1.0.0
Dec 11 07:23:07.854 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 11 07:23:07.960 INFO [stderr]     Checking thread_local v0.3.3
Dec 11 07:23:08.834 INFO [stderr]     Checking clap v2.23.3
Dec 11 07:23:09.900 INFO [stderr]     Checking thread-id v2.0.0
Dec 11 07:23:10.668 INFO [stderr]     Checking num-integer v0.1.34
Dec 11 07:23:10.824 INFO [stderr]     Checking thread_local v0.2.7
Dec 11 07:23:11.718 INFO [stderr]     Checking regex v0.2.1
Dec 11 07:23:11.794 INFO [stderr]     Checking regex v0.1.80
Dec 11 07:23:12.512 INFO [stderr]     Checking num-iter v0.1.33
Dec 11 07:23:13.650 INFO [stderr]    Compiling num v0.1.37
Dec 11 07:23:14.748 INFO [stderr]     Checking chrono v0.2.25
Dec 11 07:23:17.976 INFO [stderr]     Checking env_logger v0.3.5
Dec 11 07:23:20.060 INFO [stderr]     Checking elp v2.0.0
Dec 11 07:23:22.512 INFO [stderr]    Compiling counter v1.0.0 (/source)
Dec 11 07:23:26.940 INFO [stderr] warning: variable does not need to be mutable
Dec 11 07:23:26.940 INFO [stderr]   --> src/aggregation_control.rs:24:39
Dec 11 07:23:26.940 INFO [stderr]    |
Dec 11 07:23:26.940 INFO [stderr] 24 |     pub fn run_aggregation(&mut self, mut filenames: &mut Vec<PathBuf>) -> FileAggregation {
Dec 11 07:23:26.940 INFO [stderr]    |                                       ----^^^^^^^^^
Dec 11 07:23:26.940 INFO [stderr]    |                                       |
Dec 11 07:23:26.940 INFO [stderr]    |                                       help: remove this `mut`
Dec 11 07:23:26.940 INFO [stderr]    |
Dec 11 07:23:26.940 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 07:23:26.940 INFO [stderr] 
Dec 11 07:23:27.124 INFO [stderr] warning: variable does not need to be mutable
Dec 11 07:23:27.124 INFO [stderr]    --> src/file_handling.rs:355:23
Dec 11 07:23:27.124 INFO [stderr]     |
Dec 11 07:23:27.124 INFO [stderr] 355 |                 .map(|mut g| g.next().unwrap())
Dec 11 07:23:27.140 INFO [stderr]     |                       ----^
Dec 11 07:23:27.140 INFO [stderr]     |                       |
Dec 11 07:23:27.140 INFO [stderr]     |                       help: remove this `mut`
Dec 11 07:23:27.140 INFO [stderr]     |
Dec 11 07:23:27.140 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 07:23:27.140 INFO [stderr] 
Dec 11 07:23:27.152 INFO [stderr] warning: variable does not need to be mutable
Dec 11 07:23:27.152 INFO [stderr]   --> src/aggregation_control.rs:24:39
Dec 11 07:23:27.152 INFO [stderr]    |
Dec 11 07:23:27.152 INFO [stderr] 24 |     pub fn run_aggregation(&mut self, mut filenames: &mut Vec<PathBuf>) -> FileAggregation {
Dec 11 07:23:27.152 INFO [stderr]    |                                       ----^^^^^^^^^
Dec 11 07:23:27.152 INFO [stderr]    |                                       |
Dec 11 07:23:27.152 INFO [stderr]    |                                       help: remove this `mut`
Dec 11 07:23:27.152 INFO [stderr] 
Dec 11 07:23:27.824 INFO [stderr] warning: variable does not need to be mutable
Dec 11 07:23:27.824 INFO [stderr]   --> src/main.rs:96:52
Dec 11 07:23:27.824 INFO [stderr]    |
Dec 11 07:23:27.824 INFO [stderr] 96 |     fn run(&mut self, num_file_aggregators: usize, mut filenames: &mut Vec<PathBuf>) -> counter::FileAggregation {
Dec 11 07:23:27.824 INFO [stderr]    |                                                    ----^^^^^^^^^
Dec 11 07:23:27.824 INFO [stderr]    |                                                    |
Dec 11 07:23:27.824 INFO [stderr]    |                                                    help: remove this `mut`
Dec 11 07:23:27.824 INFO [stderr]    |
Dec 11 07:23:27.824 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 07:23:27.824 INFO [stderr] 
Dec 11 07:23:28.032 INFO [stderr] warning: variable does not need to be mutable
Dec 11 07:23:28.032 INFO [stderr]   --> src/main.rs:96:52
Dec 11 07:23:28.032 INFO [stderr]    |
Dec 11 07:23:28.032 INFO [stderr] 96 |     fn run(&mut self, num_file_aggregators: usize, mut filenames: &mut Vec<PathBuf>) -> counter::FileAggregation {
Dec 11 07:23:28.032 INFO [stderr]    |                                                    ----^^^^^^^^^
Dec 11 07:23:28.032 INFO [stderr]    |                                                    |
Dec 11 07:23:28.032 INFO [stderr]    |                                                    help: remove this `mut`
Dec 11 07:23:28.032 INFO [stderr]    |
Dec 11 07:23:28.032 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 07:23:28.032 INFO [stderr] 
Dec 11 07:23:28.112 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.28s
Dec 11 07:23:28.124 INFO [stderr] su: No module specific data is present
Dec 11 07:23:28.897 INFO running `"docker" "inspect" "8643e75106ca042dbb56800fa3e031268c8018a7e094ced585f1edfc068ddae7"`
Dec 11 07:23:29.230 INFO running `"docker" "rm" "-f" "8643e75106ca042dbb56800fa3e031268c8018a7e094ced585f1edfc068ddae7"`
Dec 11 07:23:29.460 INFO [stdout] 8643e75106ca042dbb56800fa3e031268c8018a7e094ced585f1edfc068ddae7