[INFO] updating cached repository d-becker/compressions
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/d-becker/compressions
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/d-becker/compressions" "work/ex/beta-1.37-6/sources/1.36.0/gh/d-becker/compressions"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/d-becker/compressions'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/d-becker/compressions" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/d-becker/compressions"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/d-becker/compressions'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d934668491fdbcf6b503f4759f0816180627e014
[INFO] sha for GitHub repo d-becker/compressions: d934668491fdbcf6b503f4759f0816180627e014
[INFO] validating manifest of d-becker/compressions on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of d-becker/compressions on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing d-becker/compressions
[INFO] finished frobbing d-becker/compressions
[INFO] frobbed toml for d-becker/compressions written to work/ex/beta-1.37-6/sources/1.36.0/gh/d-becker/compressions/Cargo.toml
[INFO] started frobbing d-becker/compressions
[INFO] finished frobbing d-becker/compressions
[INFO] frobbed toml for d-becker/compressions written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/d-becker/compressions/Cargo.toml
[INFO] crate d-becker/compressions already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing d-becker/compressions against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/d-becker/compressions:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 73b4dae0312f9f8094b5515ac220b1858e6e947304b41735b8fc8be5e26a4d77
[INFO] running `"docker" "start" "-a" "73b4dae0312f9f8094b5515ac220b1858e6e947304b41735b8fc8be5e26a4d77"`
[INFO] [stderr]    Compiling compression v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "73b4dae0312f9f8094b5515ac220b1858e6e947304b41735b8fc8be5e26a4d77"`
[INFO] running `"docker" "rm" "-f" "73b4dae0312f9f8094b5515ac220b1858e6e947304b41735b8fc8be5e26a4d77"`
[INFO] [stdout] 73b4dae0312f9f8094b5515ac220b1858e6e947304b41735b8fc8be5e26a4d77
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/d-becker/compressions:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 19f90c4c7378a865aaf401cbe7568603335cb63152152f29fac2b40e9aba131f
[INFO] running `"docker" "start" "-a" "19f90c4c7378a865aaf401cbe7568603335cb63152152f29fac2b40e9aba131f"`
[INFO] [stderr]    Compiling compression v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `"docker" "inspect" "19f90c4c7378a865aaf401cbe7568603335cb63152152f29fac2b40e9aba131f"`
[INFO] running `"docker" "rm" "-f" "19f90c4c7378a865aaf401cbe7568603335cb63152152f29fac2b40e9aba131f"`
[INFO] [stdout] 19f90c4c7378a865aaf401cbe7568603335cb63152152f29fac2b40e9aba131f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/d-becker/compressions:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 37f7b146e534e3bee839de51fae1f96e84179dbb089f18fe5b2424f1760efc0e
[INFO] running `"docker" "start" "-a" "37f7b146e534e3bee839de51fae1f96e84179dbb089f18fe5b2424f1760efc0e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/compression-eb20e074c999b954
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test bit_packer::tests::pack_half_bytes ... ok
[INFO] [stdout] test bit_packer::tests::pack_whole_bytes ... ok
[INFO] [stdout] test bit_packer::tests::unpack_whole_bytes ... ok
[INFO] [stdout] test bit_packer::tests::pack_and_unpack ... ok
[INFO] [stdout] test lz77::tests::encode_and_decode_blocks ... ok
[INFO] [stdout] test delta::test::to_bytes_and_back ... ok
[INFO] [stdout] test delta::test::to_delta_and_back ... ok
[INFO] [stdout] test bit_packer::tests::unpack_half_bytes ... ok
[INFO] [stdout] test lz77::tests::to_blocks_and_back ... ok
[INFO] [stdout] test lz77::tests::encode_and_decode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "37f7b146e534e3bee839de51fae1f96e84179dbb089f18fe5b2424f1760efc0e"`
[INFO] running `"docker" "rm" "-f" "37f7b146e534e3bee839de51fae1f96e84179dbb089f18fe5b2424f1760efc0e"`
[INFO] [stdout] 37f7b146e534e3bee839de51fae1f96e84179dbb089f18fe5b2424f1760efc0e