Nov 29 16:10:23.199 INFO checking trafficland/counter against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323 Nov 29 16:10:23.200 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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"` Nov 29 16:10:26.308 INFO [stdout] e761b23e3028935b17f4f3ef959f6a463e6c44d28821c8e200c367fcca5bb5b2 Nov 29 16:10:26.310 INFO running `"docker" "start" "-a" "e761b23e3028935b17f4f3ef959f6a463e6c44d28821c8e200c367fcca5bb5b2"` Nov 29 16:10:28.007 INFO [stderr] usermod: no changes Nov 29 16:10:28.208 INFO [stderr] Compiling num-traits v0.1.37 Nov 29 16:10:28.208 INFO [stderr] Checking libc v0.2.22 Nov 29 16:10:28.212 INFO [stderr] Checking variance v0.1.3 Nov 29 16:10:28.212 INFO [stderr] Compiling names v0.11.0 Nov 29 16:10:28.212 INFO [stderr] Checking scopeguard v0.1.2 Nov 29 16:10:28.212 INFO [stderr] Checking num-integer v0.1.34 Nov 29 16:10:29.398 INFO [stderr] Checking scoped-pool v1.0.0 Nov 29 16:10:30.639 INFO [stderr] Checking num-iter v0.1.33 Nov 29 16:10:31.618 INFO [stderr] Checking num v0.1.37 Nov 29 16:10:32.102 INFO [stderr] Checking thread-id v2.0.0 Nov 29 16:10:32.105 INFO [stderr] Checking memchr v0.1.11 Nov 29 16:10:32.106 INFO [stderr] Checking thread-id v3.0.0 Nov 29 16:10:32.108 INFO [stderr] Checking time v0.1.37 Nov 29 16:10:32.110 INFO [stderr] Checking memchr v1.0.1 Nov 29 16:10:32.210 INFO [stderr] Checking atty v0.2.2 Nov 29 16:10:32.992 INFO [stderr] Checking term_size v0.3.0 Nov 29 16:10:33.151 INFO [stderr] Checking rand v0.3.15 Nov 29 16:10:33.306 INFO [stderr] Checking num_cpus v1.4.0 Nov 29 16:10:33.493 INFO [stderr] Checking thread_local v0.3.3 Nov 29 16:10:33.958 INFO [stderr] Checking thread_local v0.2.7 Nov 29 16:10:34.399 INFO [stderr] Checking aho-corasick v0.5.3 Nov 29 16:10:34.998 INFO [stderr] Checking aho-corasick v0.6.3 Nov 29 16:10:36.008 INFO [stderr] Checking clap v2.23.3 Nov 29 16:10:36.764 INFO [stderr] Checking regex v0.2.1 Nov 29 16:10:37.539 INFO [stderr] Checking chrono v0.2.25 Nov 29 16:10:38.633 INFO [stderr] Checking regex v0.1.80 Nov 29 16:10:46.712 INFO [stderr] Checking elp v2.0.0 Nov 29 16:10:48.196 INFO [stderr] Checking env_logger v0.3.5 Nov 29 16:10:49.421 INFO [stderr] Compiling counter v1.0.0 (/source) Nov 29 16:10:54.364 INFO [stderr] warning: variable does not need to be mutable Nov 29 16:10:54.364 INFO [stderr] --> src/aggregation_control.rs:24:39 Nov 29 16:10:54.364 INFO [stderr] | Nov 29 16:10:54.364 INFO [stderr] 24 | pub fn run_aggregation(&mut self, mut filenames: &mut Vec) -> FileAggregation { Nov 29 16:10:54.364 INFO [stderr] | ----^^^^^^^^^ Nov 29 16:10:54.364 INFO [stderr] | | Nov 29 16:10:54.364 INFO [stderr] | help: remove this `mut` Nov 29 16:10:54.364 INFO [stderr] | Nov 29 16:10:54.364 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 29 16:10:54.364 INFO [stderr] Nov 29 16:10:55.008 INFO [stderr] warning: variable does not need to be mutable Nov 29 16:10:55.008 INFO [stderr] --> src/file_handling.rs:355:23 Nov 29 16:10:55.008 INFO [stderr] | Nov 29 16:10:55.008 INFO [stderr] 355 | .map(|mut g| g.next().unwrap()) Nov 29 16:10:55.008 INFO [stderr] | ----^ Nov 29 16:10:55.008 INFO [stderr] | | Nov 29 16:10:55.008 INFO [stderr] | help: remove this `mut` Nov 29 16:10:55.008 INFO [stderr] | Nov 29 16:10:55.008 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 29 16:10:55.008 INFO [stderr] Nov 29 16:10:55.060 INFO [stderr] warning: variable does not need to be mutable Nov 29 16:10:55.060 INFO [stderr] --> src/aggregation_control.rs:24:39 Nov 29 16:10:55.060 INFO [stderr] | Nov 29 16:10:55.060 INFO [stderr] 24 | pub fn run_aggregation(&mut self, mut filenames: &mut Vec) -> FileAggregation { Nov 29 16:10:55.060 INFO [stderr] | ----^^^^^^^^^ Nov 29 16:10:55.060 INFO [stderr] | | Nov 29 16:10:55.060 INFO [stderr] | help: remove this `mut` Nov 29 16:10:55.060 INFO [stderr] Nov 29 16:10:55.516 INFO [stderr] warning: variable does not need to be mutable Nov 29 16:10:55.516 INFO [stderr] --> src/main.rs:96:52 Nov 29 16:10:55.516 INFO [stderr] | Nov 29 16:10:55.516 INFO [stderr] 96 | fn run(&mut self, num_file_aggregators: usize, mut filenames: &mut Vec) -> counter::FileAggregation { Nov 29 16:10:55.516 INFO [stderr] | ----^^^^^^^^^ Nov 29 16:10:55.516 INFO [stderr] | | Nov 29 16:10:55.516 INFO [stderr] | help: remove this `mut` Nov 29 16:10:55.516 INFO [stderr] | Nov 29 16:10:55.516 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 29 16:10:55.516 INFO [stderr] Nov 29 16:10:55.684 INFO [stderr] warning: variable does not need to be mutable Nov 29 16:10:55.684 INFO [stderr] --> src/main.rs:96:52 Nov 29 16:10:55.684 INFO [stderr] | Nov 29 16:10:55.684 INFO [stderr] 96 | fn run(&mut self, num_file_aggregators: usize, mut filenames: &mut Vec) -> counter::FileAggregation { Nov 29 16:10:55.684 INFO [stderr] | ----^^^^^^^^^ Nov 29 16:10:55.684 INFO [stderr] | | Nov 29 16:10:55.684 INFO [stderr] | help: remove this `mut` Nov 29 16:10:55.684 INFO [stderr] | Nov 29 16:10:55.684 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 29 16:10:55.684 INFO [stderr] Nov 29 16:10:55.729 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.69s Nov 29 16:10:55.756 INFO [stderr] su: No module specific data is present Nov 29 16:10:56.492 INFO running `"docker" "inspect" "e761b23e3028935b17f4f3ef959f6a463e6c44d28821c8e200c367fcca5bb5b2"` Nov 29 16:10:56.788 INFO running `"docker" "rm" "-f" "e761b23e3028935b17f4f3ef959f6a463e6c44d28821c8e200c367fcca5bb5b2"` Nov 29 16:10:57.056 INFO [stdout] e761b23e3028935b17f4f3ef959f6a463e6c44d28821c8e200c367fcca5bb5b2