[INFO] updating cached repository greenberga/choose
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/greenberga/choose
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/greenberga/choose" "work/ex/beta-1.37-6/sources/1.36.0/gh/greenberga/choose"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/greenberga/choose'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/greenberga/choose" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/greenberga/choose"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/greenberga/choose'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 643d3fe55144aa7fb7a432da0a3b7191c5027489
[INFO] sha for GitHub repo greenberga/choose: 643d3fe55144aa7fb7a432da0a3b7191c5027489
[INFO] validating manifest of greenberga/choose 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 greenberga/choose 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 greenberga/choose
[INFO] finished frobbing greenberga/choose
[INFO] frobbed toml for greenberga/choose written to work/ex/beta-1.37-6/sources/1.36.0/gh/greenberga/choose/Cargo.toml
[INFO] started frobbing greenberga/choose
[INFO] finished frobbing greenberga/choose
[INFO] frobbed toml for greenberga/choose written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/greenberga/choose/Cargo.toml
[INFO] crate greenberga/choose 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing greenberga/choose 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/gh/greenberga/choose:/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] 02ac04cd6ec7c331e636ce01edf5fc30a5eefc4af3eeeb057b4bd336021cbe9c
[INFO] running `"docker" "start" "-a" "02ac04cd6ec7c331e636ce01edf5fc30a5eefc4af3eeeb057b4bd336021cbe9c"`
[INFO] [stderr]    Compiling rand v0.5.3
[INFO] [stderr]    Compiling choose v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.60s
[INFO] running `"docker" "inspect" "02ac04cd6ec7c331e636ce01edf5fc30a5eefc4af3eeeb057b4bd336021cbe9c"`
[INFO] running `"docker" "rm" "-f" "02ac04cd6ec7c331e636ce01edf5fc30a5eefc4af3eeeb057b4bd336021cbe9c"`
[INFO] [stdout] 02ac04cd6ec7c331e636ce01edf5fc30a5eefc4af3eeeb057b4bd336021cbe9c
[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/gh/greenberga/choose:/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] ff29139a9f5c61cd17c95deeeec8ea5f7fb364f5227ddbf1218c4d90c022c0d2
[INFO] running `"docker" "start" "-a" "ff29139a9f5c61cd17c95deeeec8ea5f7fb364f5227ddbf1218c4d90c022c0d2"`
[INFO] [stderr]    Compiling choose v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "ff29139a9f5c61cd17c95deeeec8ea5f7fb364f5227ddbf1218c4d90c022c0d2"`
[INFO] running `"docker" "rm" "-f" "ff29139a9f5c61cd17c95deeeec8ea5f7fb364f5227ddbf1218c4d90c022c0d2"`
[INFO] [stdout] ff29139a9f5c61cd17c95deeeec8ea5f7fb364f5227ddbf1218c4d90c022c0d2
[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/gh/greenberga/choose:/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] 769da42989b0eacdcfbf366f436514c2ecebe91486e3c09549d7ef42fadfa581
[INFO] running `"docker" "start" "-a" "769da42989b0eacdcfbf366f436514c2ecebe91486e3c09549d7ef42fadfa581"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/choose-0d445ad2941045c8
[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" "769da42989b0eacdcfbf366f436514c2ecebe91486e3c09549d7ef42fadfa581"`
[INFO] running `"docker" "rm" "-f" "769da42989b0eacdcfbf366f436514c2ecebe91486e3c09549d7ef42fadfa581"`
[INFO] [stdout] 769da42989b0eacdcfbf366f436514c2ecebe91486e3c09549d7ef42fadfa581