Dec 04 17:14:02.752 INFO checking intdxdt/bit_twiddle against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 17:14:02.752 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 17:14:02.895 INFO [stdout] 7ca0403eb36389cd94b3f966d05a3401726f7a558a4105726030d20923072ed1
Dec 04 17:14:02.899 INFO running `"docker" "start" "-a" "7ca0403eb36389cd94b3f966d05a3401726f7a558a4105726030d20923072ed1"`
Dec 04 17:14:03.489 INFO [stderr] usermod: no changes
Dec 04 17:14:03.526 INFO [stderr]     Checking bit_twiddle v0.1.0 (/source)
Dec 04 17:14:03.747 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 17:14:03.747 INFO [stderr]    --> src/lib.rs:220:24
Dec 04 17:14:03.747 INFO [stderr]     |
Dec 04 17:14:03.747 INFO [stderr] 220 |     (REVERSE_TABLE[usz((v & 0xff))] << 24) |
Dec 04 17:14:03.747 INFO [stderr]     |                        ^^^^^^^^^^ help: remove these parentheses
Dec 04 17:14:03.747 INFO [stderr]     |
Dec 04 17:14:03.747 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 04 17:14:03.747 INFO [stderr] 
Dec 04 17:14:03.883 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 17:14:03.883 INFO [stderr]    --> src/lib.rs:220:24
Dec 04 17:14:03.883 INFO [stderr]     |
Dec 04 17:14:03.883 INFO [stderr] 220 |     (REVERSE_TABLE[usz((v & 0xff))] << 24) |
Dec 04 17:14:03.883 INFO [stderr]     |                        ^^^^^^^^^^ help: remove these parentheses
Dec 04 17:14:03.883 INFO [stderr]     |
Dec 04 17:14:03.883 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 04 17:14:03.883 INFO [stderr] 
Dec 04 17:14:03.883 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 17:14:03.883 INFO [stderr]    --> src/lib.rs:360:29
Dec 04 17:14:03.883 INFO [stderr]     |
Dec 04 17:14:03.883 INFO [stderr] 360 |             assert!(is_pow2((1 << i)));
Dec 04 17:14:03.883 INFO [stderr]     |                             ^^^^^^^^ help: remove these parentheses
Dec 04 17:14:03.883 INFO [stderr] 
Dec 04 17:14:03.883 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 17:14:03.883 INFO [stderr]    --> src/lib.rs:375:29
Dec 04 17:14:03.883 INFO [stderr]     |
Dec 04 17:14:03.883 INFO [stderr] 375 |             assert_eq!(log2((1 << i)), i);
Dec 04 17:14:03.883 INFO [stderr]     |                             ^^^^^^^^ help: remove these parentheses
Dec 04 17:14:03.883 INFO [stderr] 
Dec 04 17:14:03.883 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 17:14:03.883 INFO [stderr]    --> src/lib.rs:425:34
Dec 04 17:14:03.883 INFO [stderr]     |
Dec 04 17:14:03.883 INFO [stderr] 425 |             assert_eq!(next_pow2((1 << i)), 1 << i);
Dec 04 17:14:03.883 INFO [stderr]     |                                  ^^^^^^^^ help: remove these parentheses
Dec 04 17:14:03.883 INFO [stderr] 
Dec 04 17:14:03.883 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 17:14:03.883 INFO [stderr]    --> src/lib.rs:440:34
Dec 04 17:14:03.883 INFO [stderr]     |
Dec 04 17:14:03.883 INFO [stderr] 440 |             assert_eq!(prev_pow2((1 << i)), 1 << i);
Dec 04 17:14:03.883 INFO [stderr]     |                                  ^^^^^^^^ help: remove these parentheses
Dec 04 17:14:03.883 INFO [stderr] 
Dec 04 17:14:04.187 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Dec 04 17:14:04.189 INFO [stderr] su: No module specific data is present
Dec 04 17:14:04.457 INFO running `"docker" "inspect" "7ca0403eb36389cd94b3f966d05a3401726f7a558a4105726030d20923072ed1"`
Dec 04 17:14:04.519 INFO running `"docker" "rm" "-f" "7ca0403eb36389cd94b3f966d05a3401726f7a558a4105726030d20923072ed1"`
Dec 04 17:14:04.593 INFO [stdout] 7ca0403eb36389cd94b3f966d05a3401726f7a558a4105726030d20923072ed1