Dec 04 14:00:50.920 INFO checking mkilgore/rshell against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 14:00:50.920 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 14:00:51.387 INFO [stdout] b4f73f8d63f8be5f0c8e975b50e14a953b2c173bb3617f8d877d04231e89083e
Dec 04 14:00:51.391 INFO running `"docker" "start" "-a" "b4f73f8d63f8be5f0c8e975b50e14a953b2c173bb3617f8d877d04231e89083e"`
Dec 04 14:00:52.170 INFO [stderr] usermod: no changes
Dec 04 14:00:52.202 INFO [stderr]     Checking rshell v0.1.0 (/source)
Dec 04 14:00:52.451 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 14:00:52.451 INFO [stderr]   --> src/job_list.rs:38:44
Dec 04 14:00:52.451 INFO [stderr]    |
Dec 04 14:00:52.451 INFO [stderr] 38 |         self.list.push(Arc::new(Mutex::new((job))));
Dec 04 14:00:52.451 INFO [stderr]    |                                            ^^^^^ help: remove these parentheses
Dec 04 14:00:52.451 INFO [stderr]    |
Dec 04 14:00:52.451 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 14:00:52.451 INFO [stderr] 
Dec 04 14:00:52.455 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 14:00:52.455 INFO [stderr]   --> src/job_list.rs:38:44
Dec 04 14:00:52.455 INFO [stderr]    |
Dec 04 14:00:52.455 INFO [stderr] 38 |         self.list.push(Arc::new(Mutex::new((job))));
Dec 04 14:00:52.455 INFO [stderr]    |                                            ^^^^^ help: remove these parentheses
Dec 04 14:00:52.455 INFO [stderr]    |
Dec 04 14:00:52.455 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 14:00:52.455 INFO [stderr] 
Dec 04 14:00:52.619 INFO [stderr] warning: variable does not need to be mutable
Dec 04 14:00:52.619 INFO [stderr]   --> src/job.rs:80:22
Dec 04 14:00:52.619 INFO [stderr]    |
Dec 04 14:00:52.619 INFO [stderr] 80 |     pub fn parse_job(mut lex: &mut InputLexer) -> Option<Job> {
Dec 04 14:00:52.619 INFO [stderr]    |                      ----^^^
Dec 04 14:00:52.619 INFO [stderr]    |                      |
Dec 04 14:00:52.619 INFO [stderr]    |                      help: remove this `mut`
Dec 04 14:00:52.619 INFO [stderr]    |
Dec 04 14:00:52.619 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 14:00:52.619 INFO [stderr] 
Dec 04 14:00:52.643 INFO [stderr] warning: variable does not need to be mutable
Dec 04 14:00:52.643 INFO [stderr]   --> src/job.rs:80:22
Dec 04 14:00:52.643 INFO [stderr]    |
Dec 04 14:00:52.643 INFO [stderr] 80 |     pub fn parse_job(mut lex: &mut InputLexer) -> Option<Job> {
Dec 04 14:00:52.643 INFO [stderr]    |                      ----^^^
Dec 04 14:00:52.643 INFO [stderr]    |                      |
Dec 04 14:00:52.643 INFO [stderr]    |                      help: remove this `mut`
Dec 04 14:00:52.643 INFO [stderr]    |
Dec 04 14:00:52.643 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 14:00:52.643 INFO [stderr] 
Dec 04 14:00:52.690 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
Dec 04 14:00:52.692 INFO [stderr] su: No module specific data is present
Dec 04 14:00:53.234 INFO running `"docker" "inspect" "b4f73f8d63f8be5f0c8e975b50e14a953b2c173bb3617f8d877d04231e89083e"`
Dec 04 14:00:53.475 INFO running `"docker" "rm" "-f" "b4f73f8d63f8be5f0c8e975b50e14a953b2c173bb3617f8d877d04231e89083e"`
Dec 04 14:00:53.669 INFO [stdout] b4f73f8d63f8be5f0c8e975b50e14a953b2c173bb3617f8d877d04231e89083e