[INFO] crate gray-codes 0.1.1 is already in cache
[INFO] testing gray-codes-0.1.1 against 1.38.0 for beta-1.39-1
[INFO] extracting crate gray-codes 0.1.1 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate gray-codes 0.1.1 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 crates.io crate gray-codes 0.1.1
[INFO] finished tweaking crates.io crate gray-codes 0.1.1
[INFO] tweaked toml for crates.io crate gray-codes 0.1.1 written to work/builds/worker-0/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] da74b4e7e005125bf696b4abd83e05df113f66ed4bc46e256bee621845bc7b85
[INFO] running `"docker" "start" "-a" "da74b4e7e005125bf696b4abd83e05df113f66ed4bc46e256bee621845bc7b85"`
[INFO] [stderr]    Compiling gray-codes v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "da74b4e7e005125bf696b4abd83e05df113f66ed4bc46e256bee621845bc7b85"`
[INFO] running `"docker" "rm" "-f" "da74b4e7e005125bf696b4abd83e05df113f66ed4bc46e256bee621845bc7b85"`
[INFO] [stdout] da74b4e7e005125bf696b4abd83e05df113f66ed4bc46e256bee621845bc7b85
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] 46f71fad3833be4ff363271460c6f966409fca4c4e984f182575a3826661f861
[INFO] running `"docker" "start" "-a" "46f71fad3833be4ff363271460c6f966409fca4c4e984f182575a3826661f861"`
[INFO] [stderr]    Compiling gray-codes v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `"docker" "inspect" "46f71fad3833be4ff363271460c6f966409fca4c4e984f182575a3826661f861"`
[INFO] running `"docker" "rm" "-f" "46f71fad3833be4ff363271460c6f966409fca4c4e984f182575a3826661f861"`
[INFO] [stdout] 46f71fad3833be4ff363271460c6f966409fca4c4e984f182575a3826661f861
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] eb66eb02974693395245d9689120e00c2359419f199fa3d47213c7a3a03f9c14
[INFO] running `"docker" "start" "-a" "eb66eb02974693395245d9689120e00c2359419f199fa3d47213c7a3a03f9c14"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gray_codes-47d8d2249e687023
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test gray_code_8 ... ok
[INFO] [stdout] test subsets ... ok
[INFO] [stdout] test inclusion_exclusion ... ok
[INFO] [stdout] test gray_code_16 ... ok
[INFO] [stdout] test gray_code_32 ... ok
[INFO] [stdout] test gray_code_64 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gray-codes
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - InclusionExclusion (line 276) ... ok
[INFO] [stdout] test src/lib.rs - GrayCode64 (line 70) ... ok
[INFO] [stdout] test src/lib.rs - GrayCode16 (line 70) ... ok
[INFO] [stdout] test src/lib.rs - GrayCode32 (line 70) ... ok
[INFO] [stdout] test src/lib.rs - GrayCode8 (line 70) ... ok
[INFO] [stdout] test src/lib.rs - GrayCode8 (line 45) ... ok
[INFO] [stdout] test src/lib.rs - GrayCode64 (line 45) ... ok
[INFO] [stdout] test src/lib.rs - GrayCode32 (line 45) ... ok
[INFO] [stdout] test src/lib.rs - GrayCode16 (line 45) ... ok
[INFO] [stdout] test src/lib.rs - Subsets (line 394) ... ok
[INFO] [stdout] test src/lib.rs - InclusionExclusion (line 250) ... ok
[INFO] [stdout] test src/lib.rs - Subsets (line 420) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "eb66eb02974693395245d9689120e00c2359419f199fa3d47213c7a3a03f9c14"`
[INFO] running `"docker" "rm" "-f" "eb66eb02974693395245d9689120e00c2359419f199fa3d47213c7a3a03f9c14"`
[INFO] [stdout] eb66eb02974693395245d9689120e00c2359419f199fa3d47213c7a3a03f9c14