[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-1.38-1/sources/1.37.0/gh/greenberga/choose"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/greenberga/choose'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/greenberga/choose" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/greenberga/choose"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of greenberga/choose 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 greenberga/choose
[INFO] finished frobbing greenberga/choose
[INFO] frobbed toml for greenberga/choose written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 greenberga/choose 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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ff28e78b6fdf4957df1206aa9a7193abf0b36f043d36b2cd8d84d6865a52d793
[INFO] running `"docker" "start" "-a" "ff28e78b6fdf4957df1206aa9a7193abf0b36f043d36b2cd8d84d6865a52d793"`
[INFO] [stderr]    Compiling choose v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `"docker" "inspect" "ff28e78b6fdf4957df1206aa9a7193abf0b36f043d36b2cd8d84d6865a52d793"`
[INFO] running `"docker" "rm" "-f" "ff28e78b6fdf4957df1206aa9a7193abf0b36f043d36b2cd8d84d6865a52d793"`
[INFO] [stdout] ff28e78b6fdf4957df1206aa9a7193abf0b36f043d36b2cd8d84d6865a52d793
[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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1c0ec55c5bccf51ccb166e1935bd0e896db1e090fd08ac5a3414f17111de7964
[INFO] running `"docker" "start" "-a" "1c0ec55c5bccf51ccb166e1935bd0e896db1e090fd08ac5a3414f17111de7964"`
[INFO] [stderr]    Compiling choose v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "1c0ec55c5bccf51ccb166e1935bd0e896db1e090fd08ac5a3414f17111de7964"`
[INFO] running `"docker" "rm" "-f" "1c0ec55c5bccf51ccb166e1935bd0e896db1e090fd08ac5a3414f17111de7964"`
[INFO] [stdout] 1c0ec55c5bccf51ccb166e1935bd0e896db1e090fd08ac5a3414f17111de7964
[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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 63c2a5ba1f9c15713c45135c1277b0318adedb68d34b6762a1effb9fdb08a46a
[INFO] running `"docker" "start" "-a" "63c2a5ba1f9c15713c45135c1277b0318adedb68d34b6762a1effb9fdb08a46a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/choose-24f8885a192b393f
[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" "63c2a5ba1f9c15713c45135c1277b0318adedb68d34b6762a1effb9fdb08a46a"`
[INFO] running `"docker" "rm" "-f" "63c2a5ba1f9c15713c45135c1277b0318adedb68d34b6762a1effb9fdb08a46a"`
[INFO] [stdout] 63c2a5ba1f9c15713c45135c1277b0318adedb68d34b6762a1effb9fdb08a46a