Dec 11 21:35:56.313 INFO checking bon-chi/rust_who against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 21:35:56.313 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 21:35:56.610 INFO [stdout] c75db130a23d240636c2d461cc299344265283964fdfa94c013f7abf779263c9
Dec 11 21:35:56.630 INFO running `"docker" "start" "-a" "c75db130a23d240636c2d461cc299344265283964fdfa94c013f7abf779263c9"`
Dec 11 21:35:57.365 INFO [stderr] usermod: no changes
Dec 11 21:35:57.435 INFO [stderr]     Checking rust_who v0.1.0 (/source)
Dec 11 21:35:57.868 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 21:35:57.868 INFO [stderr]   --> src/main.rs:82:30
Dec 11 21:35:57.868 INFO [stderr]    |
Dec 11 21:35:57.868 INFO [stderr] 82 |            String::from_utf8((utmp_struct.ut_user.iter().map(|&x| x as u8).collect())).unwrap());
Dec 11 21:35:57.868 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 21:35:57.868 INFO [stderr]    |
Dec 11 21:35:57.868 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 11 21:35:57.868 INFO [stderr] 
Dec 11 21:35:57.868 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 21:35:57.868 INFO [stderr]   --> src/main.rs:84:30
Dec 11 21:35:57.868 INFO [stderr]    |
Dec 11 21:35:57.868 INFO [stderr] 84 |            String::from_utf8((utmp_struct.ut_line.iter().map(|&x| x as u8).collect())).unwrap());
Dec 11 21:35:57.868 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 21:35:57.868 INFO [stderr] 
Dec 11 21:35:57.868 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 21:35:57.868 INFO [stderr]   --> src/main.rs:87:30
Dec 11 21:35:57.868 INFO [stderr]    |
Dec 11 21:35:57.868 INFO [stderr] 87 |            String::from_utf8((utmp_struct.ut_host.iter().map(|&x| x as u8).collect())).unwrap());
Dec 11 21:35:57.868 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 21:35:57.868 INFO [stderr] 
Dec 11 21:35:57.880 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 21:35:57.880 INFO [stderr]   --> src/main.rs:82:30
Dec 11 21:35:57.880 INFO [stderr]    |
Dec 11 21:35:57.880 INFO [stderr] 82 |            String::from_utf8((utmp_struct.ut_user.iter().map(|&x| x as u8).collect())).unwrap());
Dec 11 21:35:57.880 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 21:35:57.880 INFO [stderr]    |
Dec 11 21:35:57.880 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 11 21:35:57.880 INFO [stderr] 
Dec 11 21:35:57.880 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 21:35:57.880 INFO [stderr]   --> src/main.rs:84:30
Dec 11 21:35:57.880 INFO [stderr]    |
Dec 11 21:35:57.880 INFO [stderr] 84 |            String::from_utf8((utmp_struct.ut_line.iter().map(|&x| x as u8).collect())).unwrap());
Dec 11 21:35:57.880 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 21:35:57.880 INFO [stderr] 
Dec 11 21:35:57.880 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 21:35:57.880 INFO [stderr]   --> src/main.rs:87:30
Dec 11 21:35:57.880 INFO [stderr]    |
Dec 11 21:35:57.880 INFO [stderr] 87 |            String::from_utf8((utmp_struct.ut_host.iter().map(|&x| x as u8).collect())).unwrap());
Dec 11 21:35:57.880 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 21:35:57.880 INFO [stderr] 
Dec 11 21:35:57.963 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
Dec 11 21:35:57.968 INFO [stderr] su: No module specific data is present
Dec 11 21:35:58.901 INFO running `"docker" "inspect" "c75db130a23d240636c2d461cc299344265283964fdfa94c013f7abf779263c9"`
Dec 11 21:35:59.158 INFO running `"docker" "rm" "-f" "c75db130a23d240636c2d461cc299344265283964fdfa94c013f7abf779263c9"`
Dec 11 21:35:59.454 INFO [stdout] c75db130a23d240636c2d461cc299344265283964fdfa94c013f7abf779263c9