Dec 11 07:22:57.010 INFO checking trafficland/counter against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677 Dec 11 07:22:57.010 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 07:23:00.145 INFO [stdout] e52a0c177f1c36c33a90d3790cfa811479df0213dfa1a74a4b95d6fd0a345d8e Dec 11 07:23:00.152 INFO running `"docker" "start" "-a" "e52a0c177f1c36c33a90d3790cfa811479df0213dfa1a74a4b95d6fd0a345d8e"` Dec 11 07:23:01.752 INFO [stderr] usermod: no changes Dec 11 07:23:01.931 INFO [stderr] Checking crossbeam v0.2.10 Dec 11 07:23:01.936 INFO [stderr] Checking variance v0.1.3 Dec 11 07:23:01.936 INFO [stderr] Checking scopeguard v0.1.2 Dec 11 07:23:01.936 INFO [stderr] Compiling names v0.11.0 Dec 11 07:23:01.936 INFO [stderr] Compiling num-integer v0.1.34 Dec 11 07:23:01.936 INFO [stderr] Compiling time v0.1.37 Dec 11 07:23:01.936 INFO [stderr] Checking memchr v0.1.11 Dec 11 07:23:03.126 INFO [stderr] Checking thread-id v3.0.0 Dec 11 07:23:03.510 INFO [stderr] Checking memchr v1.0.1 Dec 11 07:23:03.720 INFO [stderr] Checking atty v0.2.2 Dec 11 07:23:05.190 INFO [stderr] Checking term_size v0.3.0 Dec 11 07:23:05.193 INFO [stderr] Checking aho-corasick v0.5.3 Dec 11 07:23:05.201 INFO [stderr] Compiling num-iter v0.1.33 Dec 11 07:23:05.206 INFO [stderr] Checking aho-corasick v0.6.3 Dec 11 07:23:06.278 INFO [stderr] Checking thread_local v0.3.3 Dec 11 07:23:06.317 INFO [stderr] Checking num v0.1.37 Dec 11 07:23:06.574 INFO [stderr] Checking clap v2.23.3 Dec 11 07:23:06.710 INFO [stderr] Checking scoped-pool v1.0.0 Dec 11 07:23:07.233 INFO [stderr] Checking thread-id v2.0.0 Dec 11 07:23:08.206 INFO [stderr] Checking chrono v0.2.25 Dec 11 07:23:08.653 INFO [stderr] Checking thread_local v0.2.7 Dec 11 07:23:10.088 INFO [stderr] Checking regex v0.2.1 Dec 11 07:23:10.111 INFO [stderr] Checking regex v0.1.80 Dec 11 07:23:14.932 INFO [stderr] Checking elp v2.0.0 Dec 11 07:23:16.228 INFO [stderr] Checking env_logger v0.3.5 Dec 11 07:23:19.153 INFO [stderr] Compiling counter v1.0.0 (/source) Dec 11 07:23:22.424 INFO [stderr] warning: variable does not need to be mutable Dec 11 07:23:22.424 INFO [stderr] --> src/aggregation_control.rs:24:39 Dec 11 07:23:22.424 INFO [stderr] | Dec 11 07:23:22.424 INFO [stderr] 24 | pub fn run_aggregation(&mut self, mut filenames: &mut Vec) -> FileAggregation { Dec 11 07:23:22.424 INFO [stderr] | ----^^^^^^^^^ Dec 11 07:23:22.424 INFO [stderr] | | Dec 11 07:23:22.424 INFO [stderr] | help: remove this `mut` Dec 11 07:23:22.424 INFO [stderr] | Dec 11 07:23:22.424 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 11 07:23:22.424 INFO [stderr] Dec 11 07:23:23.104 INFO [stderr] warning: variable does not need to be mutable Dec 11 07:23:23.104 INFO [stderr] --> src/file_handling.rs:355:23 Dec 11 07:23:23.104 INFO [stderr] | Dec 11 07:23:23.104 INFO [stderr] 355 | .map(|mut g| g.next().unwrap()) Dec 11 07:23:23.104 INFO [stderr] | ----^ Dec 11 07:23:23.104 INFO [stderr] | | Dec 11 07:23:23.104 INFO [stderr] | help: remove this `mut` Dec 11 07:23:23.104 INFO [stderr] | Dec 11 07:23:23.104 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 11 07:23:23.104 INFO [stderr] Dec 11 07:23:23.144 INFO [stderr] warning: variable does not need to be mutable Dec 11 07:23:23.144 INFO [stderr] --> src/aggregation_control.rs:24:39 Dec 11 07:23:23.144 INFO [stderr] | Dec 11 07:23:23.144 INFO [stderr] 24 | pub fn run_aggregation(&mut self, mut filenames: &mut Vec) -> FileAggregation { Dec 11 07:23:23.144 INFO [stderr] | ----^^^^^^^^^ Dec 11 07:23:23.144 INFO [stderr] | | Dec 11 07:23:23.144 INFO [stderr] | help: remove this `mut` Dec 11 07:23:23.180 INFO [stderr] Dec 11 07:23:24.011 INFO [stderr] warning: variable does not need to be mutable Dec 11 07:23:24.011 INFO [stderr] --> src/main.rs:96:52 Dec 11 07:23:24.011 INFO [stderr] | Dec 11 07:23:24.011 INFO [stderr] 96 | fn run(&mut self, num_file_aggregators: usize, mut filenames: &mut Vec) -> counter::FileAggregation { Dec 11 07:23:24.011 INFO [stderr] | ----^^^^^^^^^ Dec 11 07:23:24.011 INFO [stderr] | | Dec 11 07:23:24.011 INFO [stderr] | help: remove this `mut` Dec 11 07:23:24.011 INFO [stderr] | Dec 11 07:23:24.011 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 11 07:23:24.011 INFO [stderr] Dec 11 07:23:24.236 INFO [stderr] warning: variable does not need to be mutable Dec 11 07:23:24.236 INFO [stderr] --> src/main.rs:96:52 Dec 11 07:23:24.236 INFO [stderr] | Dec 11 07:23:24.236 INFO [stderr] 96 | fn run(&mut self, num_file_aggregators: usize, mut filenames: &mut Vec) -> counter::FileAggregation { Dec 11 07:23:24.236 INFO [stderr] | ----^^^^^^^^^ Dec 11 07:23:24.236 INFO [stderr] | | Dec 11 07:23:24.236 INFO [stderr] | help: remove this `mut` Dec 11 07:23:24.236 INFO [stderr] | Dec 11 07:23:24.236 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 11 07:23:24.236 INFO [stderr] Dec 11 07:23:24.300 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.51s Dec 11 07:23:24.300 INFO [stderr] su: No module specific data is present Dec 11 07:23:25.620 INFO running `"docker" "inspect" "e52a0c177f1c36c33a90d3790cfa811479df0213dfa1a74a4b95d6fd0a345d8e"` Dec 11 07:23:25.898 INFO running `"docker" "rm" "-f" "e52a0c177f1c36c33a90d3790cfa811479df0213dfa1a74a4b95d6fd0a345d8e"` Dec 11 07:23:26.150 INFO [stdout] e52a0c177f1c36c33a90d3790cfa811479df0213dfa1a74a4b95d6fd0a345d8e