Dec 04 21:38:04.756 INFO checking bon-chi/rust_who against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 21:38:04.756 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 21:38:05.189 INFO [stdout] 80bfb330be5f317efb37c5db34146c9ad4ae422a6f7b8a131010e983d600275c
Dec 04 21:38:05.195 INFO running `"docker" "start" "-a" "80bfb330be5f317efb37c5db34146c9ad4ae422a6f7b8a131010e983d600275c"`
Dec 04 21:38:06.830 INFO [stderr] usermod: no changes
Dec 04 21:38:06.909 INFO [stderr]     Checking rust_who v0.1.0 (/source)
Dec 04 21:38:07.439 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 21:38:07.439 INFO [stderr]   --> src/main.rs:82:30
Dec 04 21:38:07.439 INFO [stderr]    |
Dec 04 21:38:07.439 INFO [stderr] 82 |            String::from_utf8((utmp_struct.ut_user.iter().map(|&x| x as u8).collect())).unwrap());
Dec 04 21:38:07.439 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 21:38:07.439 INFO [stderr]    |
Dec 04 21:38:07.439 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 21:38:07.439 INFO [stderr] 
Dec 04 21:38:07.439 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 21:38:07.439 INFO [stderr]   --> src/main.rs:84:30
Dec 04 21:38:07.439 INFO [stderr]    |
Dec 04 21:38:07.439 INFO [stderr] 84 |            String::from_utf8((utmp_struct.ut_line.iter().map(|&x| x as u8).collect())).unwrap());
Dec 04 21:38:07.439 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 21:38:07.439 INFO [stderr] 
Dec 04 21:38:07.463 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 21:38:07.463 INFO [stderr]   --> src/main.rs:87:30
Dec 04 21:38:07.463 INFO [stderr]    |
Dec 04 21:38:07.463 INFO [stderr] 87 |            String::from_utf8((utmp_struct.ut_host.iter().map(|&x| x as u8).collect())).unwrap());
Dec 04 21:38:07.463 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 21:38:07.463 INFO [stderr] 
Dec 04 21:38:07.491 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 21:38:07.491 INFO [stderr]   --> src/main.rs:82:30
Dec 04 21:38:07.491 INFO [stderr]    |
Dec 04 21:38:07.491 INFO [stderr] 82 |            String::from_utf8((utmp_struct.ut_user.iter().map(|&x| x as u8).collect())).unwrap());
Dec 04 21:38:07.491 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 21:38:07.491 INFO [stderr]    |
Dec 04 21:38:07.491 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 21:38:07.491 INFO [stderr] 
Dec 04 21:38:07.491 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 21:38:07.491 INFO [stderr]   --> src/main.rs:84:30
Dec 04 21:38:07.491 INFO [stderr]    |
Dec 04 21:38:07.491 INFO [stderr] 84 |            String::from_utf8((utmp_struct.ut_line.iter().map(|&x| x as u8).collect())).unwrap());
Dec 04 21:38:07.491 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 21:38:07.491 INFO [stderr] 
Dec 04 21:38:07.491 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 21:38:07.491 INFO [stderr]   --> src/main.rs:87:30
Dec 04 21:38:07.491 INFO [stderr]    |
Dec 04 21:38:07.491 INFO [stderr] 87 |            String::from_utf8((utmp_struct.ut_host.iter().map(|&x| x as u8).collect())).unwrap());
Dec 04 21:38:07.491 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 21:38:07.491 INFO [stderr] 
Dec 04 21:38:07.627 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Dec 04 21:38:07.628 INFO [stderr] su: No module specific data is present
Dec 04 21:38:08.541 INFO running `"docker" "inspect" "80bfb330be5f317efb37c5db34146c9ad4ae422a6f7b8a131010e983d600275c"`
Dec 04 21:38:08.851 INFO running `"docker" "rm" "-f" "80bfb330be5f317efb37c5db34146c9ad4ae422a6f7b8a131010e983d600275c"`
Dec 04 21:38:09.144 INFO [stdout] 80bfb330be5f317efb37c5db34146c9ad4ae422a6f7b8a131010e983d600275c