[INFO] updating cached repository https://github.com/intdxdt/bit_twiddle
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6e25a1722075e6771960e3ceb19ad760449f39aa
[INFO] testing intdxdt/bit_twiddle against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintdxdt%2Fbit_twiddle" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/intdxdt/bit_twiddle on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/intdxdt/bit_twiddle
[INFO] finished tweaking git repo https://github.com/intdxdt/bit_twiddle
[INFO] tweaked toml for git repo https://github.com/intdxdt/bit_twiddle written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/intdxdt/bit_twiddle already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 4283f6525af078eb1c4f632293dbbcd8d661f68c7c8d601905b00bc8c281569b
[INFO] running `"docker" "start" "-a" "4283f6525af078eb1c4f632293dbbcd8d661f68c7c8d601905b00bc8c281569b"`
[INFO] [stderr]    Compiling bit_twiddle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:220:24
[INFO] [stderr]     |
[INFO] [stderr] 220 |     (REVERSE_TABLE[usz((v & 0xff))] << 24) |
[INFO] [stderr]     |                        ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "4283f6525af078eb1c4f632293dbbcd8d661f68c7c8d601905b00bc8c281569b"`
[INFO] running `"docker" "rm" "-f" "4283f6525af078eb1c4f632293dbbcd8d661f68c7c8d601905b00bc8c281569b"`
[INFO] [stdout] 4283f6525af078eb1c4f632293dbbcd8d661f68c7c8d601905b00bc8c281569b
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 182b3b2259eacc198f628e0dfc9737913cc53a8c130cb45891d8cede4c9c3902
[INFO] running `"docker" "start" "-a" "182b3b2259eacc198f628e0dfc9737913cc53a8c130cb45891d8cede4c9c3902"`
[INFO] [stderr]    Compiling bit_twiddle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:220:24
[INFO] [stderr]     |
[INFO] [stderr] 220 |     (REVERSE_TABLE[usz((v & 0xff))] << 24) |
[INFO] [stderr]     |                        ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:360:29
[INFO] [stderr]     |
[INFO] [stderr] 360 |             assert!(is_pow2((1 << i)));
[INFO] [stderr]     |                             ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:375:29
[INFO] [stderr]     |
[INFO] [stderr] 375 |             assert_eq!(log2((1 << i)), i);
[INFO] [stderr]     |                             ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:425:34
[INFO] [stderr]     |
[INFO] [stderr] 425 |             assert_eq!(next_pow2((1 << i)), 1 << i);
[INFO] [stderr]     |                                  ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:440:34
[INFO] [stderr]     |
[INFO] [stderr] 440 |             assert_eq!(prev_pow2((1 << i)), 1 << i);
[INFO] [stderr]     |                                  ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "182b3b2259eacc198f628e0dfc9737913cc53a8c130cb45891d8cede4c9c3902"`
[INFO] running `"docker" "rm" "-f" "182b3b2259eacc198f628e0dfc9737913cc53a8c130cb45891d8cede4c9c3902"`
[INFO] [stdout] 182b3b2259eacc198f628e0dfc9737913cc53a8c130cb45891d8cede4c9c3902
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] c859841fa3f2b2016f21deec3a523f2ecba4ab3855a918ee91f1e43ffbf4b683
[INFO] running `"docker" "start" "-a" "c859841fa3f2b2016f21deec3a523f2ecba4ab3855a918ee91f1e43ffbf4b683"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bit_twiddle-6aa113c59082465d
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test bit_twiddle_test::test_abs ... ok
[INFO] [stdout] test bit_twiddle_test::test_count_trailing_zeros ... ok
[INFO] [stdout] test bit_twiddle_test::test_is_pow2 ... ok
[INFO] [stdout] test bit_twiddle_test::test_log10 ... ok
[INFO] [stdout] test bit_twiddle_test::test_max ... ok
[INFO] [stdout] test bit_twiddle_test::test_log2 ... ok
[INFO] [stdout] test bit_twiddle_test::test_next_combination ... ok
[INFO] [stdout] test bit_twiddle_test::test_min ... ok
[INFO] [stdout] test bit_twiddle_test::test_next_pow2 ... ok
[INFO] [stdout] test bit_twiddle_test::test_not ... ok
[INFO] [stdout] test bit_twiddle_test::test_parity ... ok
[INFO] [stdout] test bit_twiddle_test::test_pop_count ... ok
[INFO] [stdout] test bit_twiddle_test::test_prev_pow2 ... ok
[INFO] [stdout] test bit_twiddle_test::test_reverse ... ok
[INFO] [stdout] test bit_twiddle_test::test_sign ... ok
[INFO] [stdout] test bit_twiddle_test::test_interleave2 ... ok
[INFO] [stdout] test bit_twiddle_test::test_interleave3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bit_twiddle
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c859841fa3f2b2016f21deec3a523f2ecba4ab3855a918ee91f1e43ffbf4b683"`
[INFO] running `"docker" "rm" "-f" "c859841fa3f2b2016f21deec3a523f2ecba4ab3855a918ee91f1e43ffbf4b683"`
[INFO] [stdout] c859841fa3f2b2016f21deec3a523f2ecba4ab3855a918ee91f1e43ffbf4b683