Dec 11 16:58:26.362 INFO checking intdxdt/bit_twiddle against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 16:58:26.362 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 16:58:26.604 INFO [stdout] 5370c7e5995461d2520c860c7572649b007f4c055ee01c503c9ed7883f6766af
Dec 11 16:58:26.605 INFO running `"docker" "start" "-a" "5370c7e5995461d2520c860c7572649b007f4c055ee01c503c9ed7883f6766af"`
Dec 11 16:58:26.985 INFO [stderr] usermod: no changes
Dec 11 16:58:27.012 INFO [stderr]     Checking bit_twiddle v0.1.0 (/source)
Dec 11 16:58:27.260 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 16:58:27.260 INFO [stderr]    --> src/lib.rs:220:24
Dec 11 16:58:27.260 INFO [stderr]     |
Dec 11 16:58:27.260 INFO [stderr] 220 |     (REVERSE_TABLE[usz((v & 0xff))] << 24) |
Dec 11 16:58:27.260 INFO [stderr]     |                        ^^^^^^^^^^ help: remove these parentheses
Dec 11 16:58:27.260 INFO [stderr]     |
Dec 11 16:58:27.260 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 11 16:58:27.260 INFO [stderr] 
Dec 11 16:58:27.319 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 16:58:27.319 INFO [stderr]    --> src/lib.rs:220:24
Dec 11 16:58:27.319 INFO [stderr]     |
Dec 11 16:58:27.319 INFO [stderr] 220 |     (REVERSE_TABLE[usz((v & 0xff))] << 24) |
Dec 11 16:58:27.319 INFO [stderr]     |                        ^^^^^^^^^^ help: remove these parentheses
Dec 11 16:58:27.319 INFO [stderr]     |
Dec 11 16:58:27.319 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 11 16:58:27.319 INFO [stderr] 
Dec 11 16:58:27.319 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 16:58:27.319 INFO [stderr]    --> src/lib.rs:360:29
Dec 11 16:58:27.319 INFO [stderr]     |
Dec 11 16:58:27.319 INFO [stderr] 360 |             assert!(is_pow2((1 << i)));
Dec 11 16:58:27.319 INFO [stderr]     |                             ^^^^^^^^ help: remove these parentheses
Dec 11 16:58:27.319 INFO [stderr] 
Dec 11 16:58:27.319 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 16:58:27.319 INFO [stderr]    --> src/lib.rs:375:29
Dec 11 16:58:27.319 INFO [stderr]     |
Dec 11 16:58:27.319 INFO [stderr] 375 |             assert_eq!(log2((1 << i)), i);
Dec 11 16:58:27.319 INFO [stderr]     |                             ^^^^^^^^ help: remove these parentheses
Dec 11 16:58:27.319 INFO [stderr] 
Dec 11 16:58:27.327 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 16:58:27.327 INFO [stderr]    --> src/lib.rs:425:34
Dec 11 16:58:27.327 INFO [stderr]     |
Dec 11 16:58:27.327 INFO [stderr] 425 |             assert_eq!(next_pow2((1 << i)), 1 << i);
Dec 11 16:58:27.327 INFO [stderr]     |                                  ^^^^^^^^ help: remove these parentheses
Dec 11 16:58:27.327 INFO [stderr] 
Dec 11 16:58:27.327 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 16:58:27.327 INFO [stderr]    --> src/lib.rs:440:34
Dec 11 16:58:27.327 INFO [stderr]     |
Dec 11 16:58:27.327 INFO [stderr] 440 |             assert_eq!(prev_pow2((1 << i)), 1 << i);
Dec 11 16:58:27.327 INFO [stderr]     |                                  ^^^^^^^^ help: remove these parentheses
Dec 11 16:58:27.327 INFO [stderr] 
Dec 11 16:58:27.631 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Dec 11 16:58:27.640 INFO [stderr] su: No module specific data is present
Dec 11 16:58:27.891 INFO running `"docker" "inspect" "5370c7e5995461d2520c860c7572649b007f4c055ee01c503c9ed7883f6766af"`
Dec 11 16:58:27.973 INFO running `"docker" "rm" "-f" "5370c7e5995461d2520c860c7572649b007f4c055ee01c503c9ed7883f6766af"`
Dec 11 16:58:28.049 INFO [stdout] 5370c7e5995461d2520c860c7572649b007f4c055ee01c503c9ed7883f6766af