Oct 31 19:15:41.886 INFO checking trafficland/counter against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538 Oct 31 19:15:41.886 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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"` Oct 31 19:15:43.281 INFO blam! f422b4e36278a875d6e7a26678e9593a192999fbcf72311e48d9599a4ae44ac2 Oct 31 19:15:43.282 INFO running `"docker" "start" "-a" "f422b4e36278a875d6e7a26678e9593a192999fbcf72311e48d9599a4ae44ac2"` Oct 31 19:15:45.316 INFO kablam! usermod: no changes Oct 31 19:15:45.524 INFO kablam! Checking num-traits v0.1.37 Oct 31 19:15:45.536 INFO kablam! Compiling libc v0.2.22 Oct 31 19:15:45.560 INFO kablam! Checking crossbeam v0.2.10 Oct 31 19:15:45.560 INFO kablam! Compiling names v0.11.0 Oct 31 19:15:45.560 INFO kablam! Checking same-file v0.1.3 Oct 31 19:15:45.560 INFO kablam! Checking vec_map v0.7.0 Oct 31 19:15:45.560 INFO kablam! Checking variance v0.1.3 Oct 31 19:15:45.560 INFO kablam! Checking regex-syntax v0.4.0 Oct 31 19:15:46.656 INFO kablam! Checking scopeguard v0.1.2 Oct 31 19:15:48.135 INFO kablam! Compiling num-integer v0.1.34 Oct 31 19:15:48.296 INFO kablam! Checking memchr v0.1.11 Oct 31 19:15:48.328 INFO kablam! Checking time v0.1.37 Oct 31 19:15:49.508 INFO kablam! Checking thread-id v3.0.0 Oct 31 19:15:49.828 INFO kablam! Checking memchr v1.0.1 Oct 31 19:15:50.296 INFO kablam! Checking term_size v0.3.0 Oct 31 19:15:50.477 INFO kablam! Checking atty v0.2.2 Oct 31 19:15:50.732 INFO kablam! Checking num_cpus v1.4.0 Oct 31 19:15:51.280 INFO kablam! Checking rand v0.3.15 Oct 31 19:15:51.312 INFO kablam! Checking walkdir v1.0.7 Oct 31 19:15:51.540 INFO kablam! Checking aho-corasick v0.5.3 Oct 31 19:15:51.912 INFO kablam! Compiling num-iter v0.1.33 Oct 31 19:15:51.993 INFO kablam! Checking scoped-pool v1.0.0 Oct 31 19:15:52.264 INFO kablam! Checking aho-corasick v0.6.3 Oct 31 19:15:53.528 INFO kablam! Checking thread_local v0.3.3 Oct 31 19:15:53.624 INFO kablam! Checking clap v2.23.3 Oct 31 19:15:55.653 INFO kablam! Compiling num v0.1.37 Oct 31 19:15:56.113 INFO kablam! Checking thread-id v2.0.0 Oct 31 19:15:56.752 INFO kablam! Checking thread_local v0.2.7 Oct 31 19:15:57.711 INFO kablam! Checking chrono v0.2.25 Oct 31 19:15:58.904 INFO kablam! Checking regex v0.1.80 Oct 31 19:16:00.372 INFO kablam! Checking regex v0.2.1 Oct 31 19:16:04.312 INFO kablam! Checking elp v2.0.0 Oct 31 19:16:07.418 INFO kablam! Checking env_logger v0.3.5 Oct 31 19:16:07.424 INFO kablam! Compiling counter v1.0.0 (/source) Oct 31 19:16:11.209 INFO kablam! warning: variable does not need to be mutable Oct 31 19:16:11.209 INFO kablam! --> src/aggregation_control.rs:24:39 Oct 31 19:16:11.209 INFO kablam! | Oct 31 19:16:11.209 INFO kablam! 24 | pub fn run_aggregation(&mut self, mut filenames: &mut Vec) -> FileAggregation { Oct 31 19:16:11.209 INFO kablam! | ----^^^^^^^^^ Oct 31 19:16:11.209 INFO kablam! | | Oct 31 19:16:11.209 INFO kablam! | help: remove this `mut` Oct 31 19:16:11.209 INFO kablam! | Oct 31 19:16:11.209 INFO kablam! = note: #[warn(unused_mut)] on by default Oct 31 19:16:11.209 INFO kablam! Oct 31 19:16:11.820 INFO kablam! warning: variable does not need to be mutable Oct 31 19:16:11.821 INFO kablam! --> src/file_handling.rs:355:23 Oct 31 19:16:11.821 INFO kablam! | Oct 31 19:16:11.821 INFO kablam! 355 | .map(|mut g| g.next().unwrap()) Oct 31 19:16:11.822 INFO kablam! | ----^ Oct 31 19:16:11.822 INFO kablam! | | Oct 31 19:16:11.822 INFO kablam! | help: remove this `mut` Oct 31 19:16:11.823 INFO kablam! | Oct 31 19:16:11.823 INFO kablam! = note: #[warn(unused_mut)] on by default Oct 31 19:16:11.823 INFO kablam! Oct 31 19:16:11.901 INFO kablam! warning: variable does not need to be mutable Oct 31 19:16:11.902 INFO kablam! --> src/aggregation_control.rs:24:39 Oct 31 19:16:11.902 INFO kablam! | Oct 31 19:16:11.902 INFO kablam! 24 | pub fn run_aggregation(&mut self, mut filenames: &mut Vec) -> FileAggregation { Oct 31 19:16:11.902 INFO kablam! | ----^^^^^^^^^ Oct 31 19:16:11.903 INFO kablam! | | Oct 31 19:16:11.903 INFO kablam! | help: remove this `mut` Oct 31 19:16:11.903 INFO kablam! Oct 31 19:16:12.050 INFO kablam! warning: variable does not need to be mutable Oct 31 19:16:12.050 INFO kablam! --> src/main.rs:96:52 Oct 31 19:16:12.050 INFO kablam! | Oct 31 19:16:12.050 INFO kablam! 96 | fn run(&mut self, num_file_aggregators: usize, mut filenames: &mut Vec) -> counter::FileAggregation { Oct 31 19:16:12.050 INFO kablam! | ----^^^^^^^^^ Oct 31 19:16:12.050 INFO kablam! | | Oct 31 19:16:12.050 INFO kablam! | help: remove this `mut` Oct 31 19:16:12.050 INFO kablam! | Oct 31 19:16:12.050 INFO kablam! = note: #[warn(unused_mut)] on by default Oct 31 19:16:12.050 INFO kablam! Oct 31 19:16:12.105 INFO kablam! warning: variable does not need to be mutable Oct 31 19:16:12.105 INFO kablam! --> src/main.rs:96:52 Oct 31 19:16:12.105 INFO kablam! | Oct 31 19:16:12.106 INFO kablam! 96 | fn run(&mut self, num_file_aggregators: usize, mut filenames: &mut Vec) -> counter::FileAggregation { Oct 31 19:16:12.106 INFO kablam! | ----^^^^^^^^^ Oct 31 19:16:12.106 INFO kablam! | | Oct 31 19:16:12.107 INFO kablam! | help: remove this `mut` Oct 31 19:16:12.107 INFO kablam! | Oct 31 19:16:12.107 INFO kablam! = note: #[warn(unused_mut)] on by default Oct 31 19:16:12.107 INFO kablam! Oct 31 19:16:12.153 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 26.80s Oct 31 19:16:12.176 INFO kablam! su: No module specific data is present Oct 31 19:16:12.794 INFO running `"docker" "rm" "-f" "f422b4e36278a875d6e7a26678e9593a192999fbcf72311e48d9599a4ae44ac2"` Oct 31 19:16:13.144 INFO blam! f422b4e36278a875d6e7a26678e9593a192999fbcf72311e48d9599a4ae44ac2