[INFO] crate group-by 1.0.0 is already in cache
[INFO] extracting crate group-by 1.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/group-by/1.0.0
[INFO] extracting crate group-by 1.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/group-by/1.0.0
[INFO] validating manifest of group-by-1.0.0 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 group-by-1.0.0 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 group-by-1.0.0
[INFO] finished frobbing group-by-1.0.0
[INFO] frobbed toml for group-by-1.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/group-by/1.0.0/Cargo.toml
[INFO] started frobbing group-by-1.0.0
[INFO] finished frobbing group-by-1.0.0
[INFO] frobbed toml for group-by-1.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/group-by/1.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 group-by-1.0.0 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-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/group-by/1.0.0:/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] 4784a1b85d55f363b2cfaafa5dc9b38d7fa0006e0d790312dbcb1544e0f17d41
[INFO] running `"docker" "start" "-a" "4784a1b85d55f363b2cfaafa5dc9b38d7fa0006e0d790312dbcb1544e0f17d41"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling group-by v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `"docker" "inspect" "4784a1b85d55f363b2cfaafa5dc9b38d7fa0006e0d790312dbcb1544e0f17d41"`
[INFO] running `"docker" "rm" "-f" "4784a1b85d55f363b2cfaafa5dc9b38d7fa0006e0d790312dbcb1544e0f17d41"`
[INFO] [stdout] 4784a1b85d55f363b2cfaafa5dc9b38d7fa0006e0d790312dbcb1544e0f17d41
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/group-by/1.0.0:/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] 2df7ebe74660c46b53fd945895b801a643ee168fecd2f08ff487b4cd2ef7170c
[INFO] running `"docker" "start" "-a" "2df7ebe74660c46b53fd945895b801a643ee168fecd2f08ff487b4cd2ef7170c"`
[INFO] [stderr]    Compiling group-by v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "2df7ebe74660c46b53fd945895b801a643ee168fecd2f08ff487b4cd2ef7170c"`
[INFO] running `"docker" "rm" "-f" "2df7ebe74660c46b53fd945895b801a643ee168fecd2f08ff487b4cd2ef7170c"`
[INFO] [stdout] 2df7ebe74660c46b53fd945895b801a643ee168fecd2f08ff487b4cd2ef7170c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/group-by/1.0.0:/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] e2c3c535946580da71129b74ebade3973812f61e4c2dd05684ec279c4306d142
[INFO] running `"docker" "start" "-a" "e2c3c535946580da71129b74ebade3973812f61e4c2dd05684ec279c4306d142"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/group_by-6ba8a65f13243608
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests group-by
[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" "e2c3c535946580da71129b74ebade3973812f61e4c2dd05684ec279c4306d142"`
[INFO] running `"docker" "rm" "-f" "e2c3c535946580da71129b74ebade3973812f61e4c2dd05684ec279c4306d142"`
[INFO] [stdout] e2c3c535946580da71129b74ebade3973812f61e4c2dd05684ec279c4306d142