[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-1.38-1/sources/1.37.0/gh/lostutils/groupby"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lostutils/groupby'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lostutils/groupby" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lostutils/groupby"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lostutils/groupby 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 lostutils/groupby
[INFO] finished frobbing lostutils/groupby
[INFO] frobbed toml for lostutils/groupby written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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[INFO] the lockfile is outdated, regenerating it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" "+1.37.0" "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 lostutils/groupby 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-7/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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 6b37e831154a3826d77d7c8d30440d56223bff4fec957cfe89c983761a0bfe7a
[INFO] running `"docker" "start" "-a" "6b37e831154a3826d77d7c8d30440d56223bff4fec957cfe89c983761a0bfe7a"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling groupby v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.13s
[INFO] running `"docker" "inspect" "6b37e831154a3826d77d7c8d30440d56223bff4fec957cfe89c983761a0bfe7a"`
[INFO] running `"docker" "rm" "-f" "6b37e831154a3826d77d7c8d30440d56223bff4fec957cfe89c983761a0bfe7a"`
[INFO] [stdout] 6b37e831154a3826d77d7c8d30440d56223bff4fec957cfe89c983761a0bfe7a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0820506fb580e6328bc7754329ebf55aa6fb3a21b137629449dec2a5be8b3991
[INFO] running `"docker" "start" "-a" "0820506fb580e6328bc7754329ebf55aa6fb3a21b137629449dec2a5be8b3991"`
[INFO] [stderr]    Compiling groupby v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "0820506fb580e6328bc7754329ebf55aa6fb3a21b137629449dec2a5be8b3991"`
[INFO] running `"docker" "rm" "-f" "0820506fb580e6328bc7754329ebf55aa6fb3a21b137629449dec2a5be8b3991"`
[INFO] [stdout] 0820506fb580e6328bc7754329ebf55aa6fb3a21b137629449dec2a5be8b3991
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] b2f18bd500e6bc2e15d3f81dff80bc5d02122b16a18cde55e7b2b5da4a1992e7
[INFO] running `"docker" "start" "-a" "b2f18bd500e6bc2e15d3f81dff80bc5d02122b16a18cde55e7b2b5da4a1992e7"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/groupby-052741acd6c59bbe
[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" "b2f18bd500e6bc2e15d3f81dff80bc5d02122b16a18cde55e7b2b5da4a1992e7"`
[INFO] running `"docker" "rm" "-f" "b2f18bd500e6bc2e15d3f81dff80bc5d02122b16a18cde55e7b2b5da4a1992e7"`
[INFO] [stdout] b2f18bd500e6bc2e15d3f81dff80bc5d02122b16a18cde55e7b2b5da4a1992e7