[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-1.38-1/sources/1.37.0/gh/d-becker/compressions"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/d-becker/compressions'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/d-becker/compressions" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/d-becker/compressions"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of d-becker/compressions 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 d-becker/compressions
[INFO] finished frobbing d-becker/compressions
[INFO] frobbed toml for d-becker/compressions written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 d-becker/compressions 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-4/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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 48d1332843658ce436518f7ea1849aee7c121bcd3be89e0a6d1c26f3c58e4279
[INFO] running `"docker" "start" "-a" "48d1332843658ce436518f7ea1849aee7c121bcd3be89e0a6d1c26f3c58e4279"`
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling compression v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `"docker" "inspect" "48d1332843658ce436518f7ea1849aee7c121bcd3be89e0a6d1c26f3c58e4279"`
[INFO] running `"docker" "rm" "-f" "48d1332843658ce436518f7ea1849aee7c121bcd3be89e0a6d1c26f3c58e4279"`
[INFO] [stdout] 48d1332843658ce436518f7ea1849aee7c121bcd3be89e0a6d1c26f3c58e4279
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] b70e7c04e0c66b64b49088d3c1a4147b62a6352709342a1a39615217787b5804
[INFO] running `"docker" "start" "-a" "b70e7c04e0c66b64b49088d3c1a4147b62a6352709342a1a39615217787b5804"`
[INFO] [stderr]    Compiling compression v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `"docker" "inspect" "b70e7c04e0c66b64b49088d3c1a4147b62a6352709342a1a39615217787b5804"`
[INFO] running `"docker" "rm" "-f" "b70e7c04e0c66b64b49088d3c1a4147b62a6352709342a1a39615217787b5804"`
[INFO] [stdout] b70e7c04e0c66b64b49088d3c1a4147b62a6352709342a1a39615217787b5804
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 7ba786fa75e0a0527264f97449908c243a736a7079e1fe831fb117c14f883d5e
[INFO] running `"docker" "start" "-a" "7ba786fa75e0a0527264f97449908c243a736a7079e1fe831fb117c14f883d5e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/compression-d1155775ad7985b4
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test bit_packer::tests::pack_half_bytes ... ok
[INFO] [stdout] test lz77::tests::encode_and_decode_blocks ... ok
[INFO] [stdout] test bit_packer::tests::unpack_half_bytes ... ok
[INFO] [stdout] test bit_packer::tests::pack_whole_bytes ... ok
[INFO] [stdout] test delta::test::to_delta_and_back ... ok
[INFO] [stdout] test bit_packer::tests::unpack_whole_bytes ... ok
[INFO] [stdout] test delta::test::to_bytes_and_back ... ok
[INFO] [stdout] test bit_packer::tests::pack_and_unpack ... ok
[INFO] [stdout] test lz77::tests::encode_and_decode ... ok
[INFO] [stdout] test lz77::tests::to_blocks_and_back ... 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" "7ba786fa75e0a0527264f97449908c243a736a7079e1fe831fb117c14f883d5e"`
[INFO] running `"docker" "rm" "-f" "7ba786fa75e0a0527264f97449908c243a736a7079e1fe831fb117c14f883d5e"`
[INFO] [stdout] 7ba786fa75e0a0527264f97449908c243a736a7079e1fe831fb117c14f883d5e