[INFO] updating cached repository intdxdt/bit_twiddle
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/intdxdt/bit_twiddle
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/intdxdt/bit_twiddle" "work/ex/beta-1.38-1/sources/1.37.0/gh/intdxdt/bit_twiddle"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/intdxdt/bit_twiddle'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/intdxdt/bit_twiddle" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intdxdt/bit_twiddle"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intdxdt/bit_twiddle'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6e25a1722075e6771960e3ceb19ad760449f39aa
[INFO] sha for GitHub repo intdxdt/bit_twiddle: 6e25a1722075e6771960e3ceb19ad760449f39aa
[INFO] validating manifest of intdxdt/bit_twiddle on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of intdxdt/bit_twiddle on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing intdxdt/bit_twiddle
[INFO] finished frobbing intdxdt/bit_twiddle
[INFO] frobbed toml for intdxdt/bit_twiddle written to work/ex/beta-1.38-1/sources/1.37.0/gh/intdxdt/bit_twiddle/Cargo.toml
[INFO] started frobbing intdxdt/bit_twiddle
[INFO] finished frobbing intdxdt/bit_twiddle
[INFO] frobbed toml for intdxdt/bit_twiddle written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intdxdt/bit_twiddle/Cargo.toml
[INFO] crate intdxdt/bit_twiddle already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing intdxdt/bit_twiddle against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intdxdt/bit_twiddle:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] d17d7ee1d8f90e8f9daedeab97dfac0b35020059809262ffdebeb0588cf2b54e
[INFO] running `"docker" "start" "-a" "d17d7ee1d8f90e8f9daedeab97dfac0b35020059809262ffdebeb0588cf2b54e"`
[INFO] [stderr]    Compiling bit_twiddle v0.1.0 (/opt/crater/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 0.32s
[INFO] running `"docker" "inspect" "d17d7ee1d8f90e8f9daedeab97dfac0b35020059809262ffdebeb0588cf2b54e"`
[INFO] running `"docker" "rm" "-f" "d17d7ee1d8f90e8f9daedeab97dfac0b35020059809262ffdebeb0588cf2b54e"`
[INFO] [stdout] d17d7ee1d8f90e8f9daedeab97dfac0b35020059809262ffdebeb0588cf2b54e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intdxdt/bit_twiddle:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] a4ced61b9c6e27154f6f50345c4f69068e6564b46057dd6088471effd095c54e
[INFO] running `"docker" "start" "-a" "a4ced61b9c6e27154f6f50345c4f69068e6564b46057dd6088471effd095c54e"`
[INFO] [stderr]    Compiling bit_twiddle v0.1.0 (/opt/crater/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 0.72s
[INFO] running `"docker" "inspect" "a4ced61b9c6e27154f6f50345c4f69068e6564b46057dd6088471effd095c54e"`
[INFO] running `"docker" "rm" "-f" "a4ced61b9c6e27154f6f50345c4f69068e6564b46057dd6088471effd095c54e"`
[INFO] [stdout] a4ced61b9c6e27154f6f50345c4f69068e6564b46057dd6088471effd095c54e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intdxdt/bit_twiddle:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e73b828cc241e6c27b8d027d36d236e6d76f4e46436d3540b0453d804881939a
[INFO] running `"docker" "start" "-a" "e73b828cc241e6c27b8d027d36d236e6d76f4e46436d3540b0453d804881939a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bit_twiddle-6c0661fdc68a4240
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test bit_twiddle_test::test_interleave2 ... ok
[INFO] [stdout] test bit_twiddle_test::test_log2 ... ok
[INFO] [stdout] test bit_twiddle_test::test_max ... ok
[INFO] [stdout] test bit_twiddle_test::test_is_pow2 ... ok
[INFO] [stdout] test bit_twiddle_test::test_interleave3 ... ok
[INFO] [stdout] test bit_twiddle_test::test_count_trailing_zeros ... ok
[INFO] [stdout] test bit_twiddle_test::test_abs ... ok
[INFO] [stdout] test bit_twiddle_test::test_log10 ... ok
[INFO] [stdout] test bit_twiddle_test::test_min ... ok
[INFO] [stdout] test bit_twiddle_test::test_next_combination ... ok
[INFO] [stdout] test bit_twiddle_test::test_not ... ok
[INFO] [stdout] test bit_twiddle_test::test_next_pow2 ... 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] 
[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" "e73b828cc241e6c27b8d027d36d236e6d76f4e46436d3540b0453d804881939a"`
[INFO] running `"docker" "rm" "-f" "e73b828cc241e6c27b8d027d36d236e6d76f4e46436d3540b0453d804881939a"`
[INFO] [stdout] e73b828cc241e6c27b8d027d36d236e6d76f4e46436d3540b0453d804881939a