Dec 19 19:41:10.951 INFO checking bon-chi/rust_who against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 19:41:10.951 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/bon-chi/rust_who:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 19:41:11.500 INFO [stdout] ec42706036206515c2a4419d486df109a30e19c6693b7bafb58d26c9ecaf2a7f
Dec 19 19:41:11.506 INFO running `"docker" "start" "-a" "ec42706036206515c2a4419d486df109a30e19c6693b7bafb58d26c9ecaf2a7f"`
Dec 19 19:41:12.944 INFO [stderr]     Checking rust_who v0.1.0 (/opt/crater/workdir)
Dec 19 19:41:13.304 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 19:41:13.304 INFO [stderr]   --> src/main.rs:82:30
Dec 19 19:41:13.304 INFO [stderr]    |
Dec 19 19:41:13.304 INFO [stderr] 82 |            String::from_utf8((utmp_struct.ut_user.iter().map(|&x| x as u8).collect())).unwrap());
Dec 19 19:41:13.304 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 19:41:13.304 INFO [stderr]    |
Dec 19 19:41:13.304 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 19:41:13.304 INFO [stderr] 
Dec 19 19:41:13.304 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 19:41:13.304 INFO [stderr]   --> src/main.rs:84:30
Dec 19 19:41:13.304 INFO [stderr]    |
Dec 19 19:41:13.304 INFO [stderr] 84 |            String::from_utf8((utmp_struct.ut_line.iter().map(|&x| x as u8).collect())).unwrap());
Dec 19 19:41:13.304 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 19:41:13.304 INFO [stderr] 
Dec 19 19:41:13.316 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 19:41:13.316 INFO [stderr]   --> src/main.rs:87:30
Dec 19 19:41:13.317 INFO [stderr]    |
Dec 19 19:41:13.317 INFO [stderr] 87 |            String::from_utf8((utmp_struct.ut_host.iter().map(|&x| x as u8).collect())).unwrap());
Dec 19 19:41:13.317 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 19:41:13.320 INFO [stderr] 
Dec 19 19:41:13.328 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 19:41:13.328 INFO [stderr]   --> src/main.rs:82:30
Dec 19 19:41:13.328 INFO [stderr]    |
Dec 19 19:41:13.328 INFO [stderr] 82 |            String::from_utf8((utmp_struct.ut_user.iter().map(|&x| x as u8).collect())).unwrap());
Dec 19 19:41:13.328 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 19:41:13.328 INFO [stderr]    |
Dec 19 19:41:13.328 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 19:41:13.328 INFO [stderr] 
Dec 19 19:41:13.329 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 19:41:13.329 INFO [stderr]   --> src/main.rs:84:30
Dec 19 19:41:13.329 INFO [stderr]    |
Dec 19 19:41:13.329 INFO [stderr] 84 |            String::from_utf8((utmp_struct.ut_line.iter().map(|&x| x as u8).collect())).unwrap());
Dec 19 19:41:13.329 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 19:41:13.329 INFO [stderr] 
Dec 19 19:41:13.332 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 19:41:13.332 INFO [stderr]   --> src/main.rs:87:30
Dec 19 19:41:13.332 INFO [stderr]    |
Dec 19 19:41:13.332 INFO [stderr] 87 |            String::from_utf8((utmp_struct.ut_host.iter().map(|&x| x as u8).collect())).unwrap());
Dec 19 19:41:13.332 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 19:41:13.332 INFO [stderr] 
Dec 19 19:41:13.485 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
Dec 19 19:41:14.348 INFO running `"docker" "inspect" "ec42706036206515c2a4419d486df109a30e19c6693b7bafb58d26c9ecaf2a7f"`
Dec 19 19:41:14.771 INFO running `"docker" "rm" "-f" "ec42706036206515c2a4419d486df109a30e19c6693b7bafb58d26c9ecaf2a7f"`
Dec 19 19:41:15.124 INFO [stdout] ec42706036206515c2a4419d486df109a30e19c6693b7bafb58d26c9ecaf2a7f