[INFO] updating cached repository lostutils/groupby
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lostutils/groupby
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lostutils/groupby" "work/ex/beta-1.37-6/sources/1.36.0/gh/lostutils/groupby"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/lostutils/groupby'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lostutils/groupby" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lostutils/groupby"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lostutils/groupby'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bd8803081529cd08d3f94898f82052688b4a9248
[INFO] sha for GitHub repo lostutils/groupby: bd8803081529cd08d3f94898f82052688b4a9248
[INFO] validating manifest of lostutils/groupby 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 lostutils/groupby 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 lostutils/groupby
[INFO] finished frobbing lostutils/groupby
[INFO] frobbed toml for lostutils/groupby written to work/ex/beta-1.37-6/sources/1.36.0/gh/lostutils/groupby/Cargo.toml
[INFO] started frobbing lostutils/groupby
[INFO] finished frobbing lostutils/groupby
[INFO] frobbed toml for lostutils/groupby written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lostutils/groupby/Cargo.toml
[INFO] crate lostutils/groupby 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] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/lostutils/groupby/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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 lostutils/groupby 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-0/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/lostutils/groupby:/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] 2a51f547f20343a8737d8bd740afac20c18f8cecad135bbf3cb769cea54d5cf9
[INFO] running `"docker" "start" "-a" "2a51f547f20343a8737d8bd740afac20c18f8cecad135bbf3cb769cea54d5cf9"`
[INFO] [stderr]    Compiling groupby v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `"docker" "inspect" "2a51f547f20343a8737d8bd740afac20c18f8cecad135bbf3cb769cea54d5cf9"`
[INFO] running `"docker" "rm" "-f" "2a51f547f20343a8737d8bd740afac20c18f8cecad135bbf3cb769cea54d5cf9"`
[INFO] [stdout] 2a51f547f20343a8737d8bd740afac20c18f8cecad135bbf3cb769cea54d5cf9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/lostutils/groupby:/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] 1ce81645efdcc225c3dbcf28b7f814ca20c60bf7abf50b1d80a8f7f379d56c6f
[INFO] running `"docker" "start" "-a" "1ce81645efdcc225c3dbcf28b7f814ca20c60bf7abf50b1d80a8f7f379d56c6f"`
[INFO] [stderr]    Compiling groupby v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "1ce81645efdcc225c3dbcf28b7f814ca20c60bf7abf50b1d80a8f7f379d56c6f"`
[INFO] running `"docker" "rm" "-f" "1ce81645efdcc225c3dbcf28b7f814ca20c60bf7abf50b1d80a8f7f379d56c6f"`
[INFO] [stdout] 1ce81645efdcc225c3dbcf28b7f814ca20c60bf7abf50b1d80a8f7f379d56c6f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/lostutils/groupby:/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] b1765c6aad2048e33e969609025594a3a0ddbcd319df72ea3b15bc8e7f285190
[INFO] running `"docker" "start" "-a" "b1765c6aad2048e33e969609025594a3a0ddbcd319df72ea3b15bc8e7f285190"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[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" "b1765c6aad2048e33e969609025594a3a0ddbcd319df72ea3b15bc8e7f285190"`
[INFO] running `"docker" "rm" "-f" "b1765c6aad2048e33e969609025594a3a0ddbcd319df72ea3b15bc8e7f285190"`
[INFO] [stdout] b1765c6aad2048e33e969609025594a3a0ddbcd319df72ea3b15bc8e7f285190