[INFO] crate groupby 0.1.5 is already in cache
[INFO] extracting crate groupby 0.1.5 into work/ex/beta-1.37-6/sources/1.36.0/reg/groupby/0.1.5
[INFO] extracting crate groupby 0.1.5 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/groupby/0.1.5
[INFO] validating manifest of groupby-0.1.5 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 groupby-0.1.5 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 groupby-0.1.5
[INFO] finished frobbing groupby-0.1.5
[INFO] frobbed toml for groupby-0.1.5 written to work/ex/beta-1.37-6/sources/1.36.0/reg/groupby/0.1.5/Cargo.toml
[INFO] started frobbing groupby-0.1.5
[INFO] finished frobbing groupby-0.1.5
[INFO] frobbed toml for groupby-0.1.5 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/groupby/0.1.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing groupby-0.1.5 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-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/groupby/0.1.5:/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] 997c3e377d0c5e48acfd6d5472c3d65bba787139c4ac8face653ad750930cd2f
[INFO] running `"docker" "start" "-a" "997c3e377d0c5e48acfd6d5472c3d65bba787139c4ac8face653ad750930cd2f"`
[INFO] [stderr]    Compiling groupby v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.34s
[INFO] running `"docker" "inspect" "997c3e377d0c5e48acfd6d5472c3d65bba787139c4ac8face653ad750930cd2f"`
[INFO] running `"docker" "rm" "-f" "997c3e377d0c5e48acfd6d5472c3d65bba787139c4ac8face653ad750930cd2f"`
[INFO] [stdout] 997c3e377d0c5e48acfd6d5472c3d65bba787139c4ac8face653ad750930cd2f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/groupby/0.1.5:/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] c6ec8ea5bf4bf1b9e897b326a26cb896cb6f18bfe109e0985d1efecb32e24846
[INFO] running `"docker" "start" "-a" "c6ec8ea5bf4bf1b9e897b326a26cb896cb6f18bfe109e0985d1efecb32e24846"`
[INFO] [stderr]    Compiling groupby v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "c6ec8ea5bf4bf1b9e897b326a26cb896cb6f18bfe109e0985d1efecb32e24846"`
[INFO] running `"docker" "rm" "-f" "c6ec8ea5bf4bf1b9e897b326a26cb896cb6f18bfe109e0985d1efecb32e24846"`
[INFO] [stdout] c6ec8ea5bf4bf1b9e897b326a26cb896cb6f18bfe109e0985d1efecb32e24846
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/groupby/0.1.5:/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] 81cc02e5ee3a50fe72b106bfe197b5378c489c491070a049d51c2f5d26b99de2
[INFO] running `"docker" "start" "-a" "81cc02e5ee3a50fe72b106bfe197b5378c489c491070a049d51c2f5d26b99de2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/groupby-bab8ddcc50a137db
[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" "81cc02e5ee3a50fe72b106bfe197b5378c489c491070a049d51c2f5d26b99de2"`
[INFO] running `"docker" "rm" "-f" "81cc02e5ee3a50fe72b106bfe197b5378c489c491070a049d51c2f5d26b99de2"`
[INFO] [stdout] 81cc02e5ee3a50fe72b106bfe197b5378c489c491070a049d51c2f5d26b99de2