[INFO] updating cached repository holmgr/cargo-sweep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/holmgr/cargo-sweep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/holmgr/cargo-sweep" "work/ex/beta-1.38-1/sources/1.37.0/gh/holmgr/cargo-sweep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/holmgr/cargo-sweep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/holmgr/cargo-sweep" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/holmgr/cargo-sweep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/holmgr/cargo-sweep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3e98dbf7e4ddf1e07dd2526a803c501fd549da75
[INFO] sha for GitHub repo holmgr/cargo-sweep: 3e98dbf7e4ddf1e07dd2526a803c501fd549da75
[INFO] validating manifest of holmgr/cargo-sweep 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 holmgr/cargo-sweep 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 holmgr/cargo-sweep
[INFO] finished frobbing holmgr/cargo-sweep
[INFO] frobbed toml for holmgr/cargo-sweep written to work/ex/beta-1.38-1/sources/1.37.0/gh/holmgr/cargo-sweep/Cargo.toml
[INFO] started frobbing holmgr/cargo-sweep
[INFO] finished frobbing holmgr/cargo-sweep
[INFO] frobbed toml for holmgr/cargo-sweep written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/holmgr/cargo-sweep/Cargo.toml
[INFO] crate holmgr/cargo-sweep 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]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/holmgr/cargo-sweep/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[INFO] the lockfile is outdated, regenerating it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] [stderr]     Blocking waiting for file lock on package cache
[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 holmgr/cargo-sweep 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-2/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/holmgr/cargo-sweep:/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] 41e42e80dcdacd6c5ce5809870b512aa4d900d7b295e70cd90931bd9be8c4346
[INFO] running `"docker" "start" "-a" "41e42e80dcdacd6c5ce5809870b512aa4d900d7b295e70cd90931bd9be8c4346"`
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling fern v0.5.8
[INFO] [stderr]    Compiling cargo-sweep v0.4.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.91s
[INFO] running `"docker" "inspect" "41e42e80dcdacd6c5ce5809870b512aa4d900d7b295e70cd90931bd9be8c4346"`
[INFO] running `"docker" "rm" "-f" "41e42e80dcdacd6c5ce5809870b512aa4d900d7b295e70cd90931bd9be8c4346"`
[INFO] [stdout] 41e42e80dcdacd6c5ce5809870b512aa4d900d7b295e70cd90931bd9be8c4346
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/holmgr/cargo-sweep:/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] 92bdda90b896564d2c0c240379b2ec5726c62fce0e8b1c9b9d414c223e70a581
[INFO] running `"docker" "start" "-a" "92bdda90b896564d2c0c240379b2ec5726c62fce0e8b1c9b9d414c223e70a581"`
[INFO] [stderr]    Compiling cargo-sweep v0.4.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `"docker" "inspect" "92bdda90b896564d2c0c240379b2ec5726c62fce0e8b1c9b9d414c223e70a581"`
[INFO] running `"docker" "rm" "-f" "92bdda90b896564d2c0c240379b2ec5726c62fce0e8b1c9b9d414c223e70a581"`
[INFO] [stdout] 92bdda90b896564d2c0c240379b2ec5726c62fce0e8b1c9b9d414c223e70a581
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/holmgr/cargo-sweep:/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] 802a152d55aa68ed98fe3e6766ee5edf32671b4b88c0e7d7075e20d57799b5e1
[INFO] running `"docker" "start" "-a" "802a152d55aa68ed98fe3e6766ee5edf32671b4b88c0e7d7075e20d57799b5e1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_sweep-bb06a6926451204c
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test util::tests::test_format_bytes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "802a152d55aa68ed98fe3e6766ee5edf32671b4b88c0e7d7075e20d57799b5e1"`
[INFO] running `"docker" "rm" "-f" "802a152d55aa68ed98fe3e6766ee5edf32671b4b88c0e7d7075e20d57799b5e1"`
[INFO] [stdout] 802a152d55aa68ed98fe3e6766ee5edf32671b4b88c0e7d7075e20d57799b5e1