Nov 30 06:02:51.057 INFO checking bon-chi/rust_who against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 06:02:51.057 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 06:02:51.402 INFO [stdout] 08522cbdf6b6503d245526c7fe10ccf2c95fec8a70ea26063b42df670f4962cc
Nov 30 06:02:51.404 INFO running `"docker" "start" "-a" "08522cbdf6b6503d245526c7fe10ccf2c95fec8a70ea26063b42df670f4962cc"`
Nov 30 06:02:52.412 INFO [stderr] usermod: no changes
Nov 30 06:02:52.448 INFO [stderr]     Checking rust_who v0.1.0 (/source)
Nov 30 06:02:52.788 INFO [stderr] warning: unnecessary parentheses around function argument
Nov 30 06:02:52.788 INFO [stderr]   --> src/main.rs:82:30
Nov 30 06:02:52.788 INFO [stderr]    |
Nov 30 06:02:52.788 INFO [stderr] 82 |            String::from_utf8((utmp_struct.ut_user.iter().map(|&x| x as u8).collect())).unwrap());
Nov 30 06:02:52.788 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 06:02:52.788 INFO [stderr]    |
Nov 30 06:02:52.788 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 30 06:02:52.788 INFO [stderr] 
Nov 30 06:02:52.788 INFO [stderr] warning: unnecessary parentheses around function argument
Nov 30 06:02:52.788 INFO [stderr]   --> src/main.rs:84:30
Nov 30 06:02:52.788 INFO [stderr]    |
Nov 30 06:02:52.788 INFO [stderr] 84 |            String::from_utf8((utmp_struct.ut_line.iter().map(|&x| x as u8).collect())).unwrap());
Nov 30 06:02:52.788 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 06:02:52.788 INFO [stderr] 
Nov 30 06:02:52.788 INFO [stderr] warning: unnecessary parentheses around function argument
Nov 30 06:02:52.788 INFO [stderr]   --> src/main.rs:87:30
Nov 30 06:02:52.788 INFO [stderr]    |
Nov 30 06:02:52.788 INFO [stderr] 87 |            String::from_utf8((utmp_struct.ut_host.iter().map(|&x| x as u8).collect())).unwrap());
Nov 30 06:02:52.788 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 06:02:52.788 INFO [stderr] 
Nov 30 06:02:52.880 INFO [stderr] warning: unnecessary parentheses around function argument
Nov 30 06:02:52.880 INFO [stderr]   --> src/main.rs:82:30
Nov 30 06:02:52.880 INFO [stderr]    |
Nov 30 06:02:52.880 INFO [stderr] 82 |            String::from_utf8((utmp_struct.ut_user.iter().map(|&x| x as u8).collect())).unwrap());
Nov 30 06:02:52.880 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 06:02:52.880 INFO [stderr]    |
Nov 30 06:02:52.880 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 30 06:02:52.880 INFO [stderr] 
Nov 30 06:02:52.892 INFO [stderr] warning: unnecessary parentheses around function argument
Nov 30 06:02:52.892 INFO [stderr]   --> src/main.rs:84:30
Nov 30 06:02:52.892 INFO [stderr]    |
Nov 30 06:02:52.892 INFO [stderr] 84 |            String::from_utf8((utmp_struct.ut_line.iter().map(|&x| x as u8).collect())).unwrap());
Nov 30 06:02:52.892 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 06:02:52.892 INFO [stderr] 
Nov 30 06:02:52.892 INFO [stderr] warning: unnecessary parentheses around function argument
Nov 30 06:02:52.892 INFO [stderr]   --> src/main.rs:87:30
Nov 30 06:02:52.892 INFO [stderr]    |
Nov 30 06:02:52.892 INFO [stderr] 87 |            String::from_utf8((utmp_struct.ut_host.iter().map(|&x| x as u8).collect())).unwrap());
Nov 30 06:02:52.892 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 06:02:52.892 INFO [stderr] 
Nov 30 06:02:52.965 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Nov 30 06:02:52.968 INFO [stderr] su: No module specific data is present
Nov 30 06:02:53.253 INFO running `"docker" "inspect" "08522cbdf6b6503d245526c7fe10ccf2c95fec8a70ea26063b42df670f4962cc"`
Nov 30 06:02:53.374 INFO running `"docker" "rm" "-f" "08522cbdf6b6503d245526c7fe10ccf2c95fec8a70ea26063b42df670f4962cc"`
Nov 30 06:02:53.469 INFO [stdout] 08522cbdf6b6503d245526c7fe10ccf2c95fec8a70ea26063b42df670f4962cc