[INFO] updating cached repository storyfeet/prisoners_switches
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/storyfeet/prisoners_switches
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/storyfeet/prisoners_switches" "work/ex/beta-1.37-6/sources/1.36.0/gh/storyfeet/prisoners_switches"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/storyfeet/prisoners_switches'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/storyfeet/prisoners_switches" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/storyfeet/prisoners_switches"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/storyfeet/prisoners_switches'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 75acb4afe6493288a1e7a23898a480dd74c0dbdc
[INFO] sha for GitHub repo storyfeet/prisoners_switches: 75acb4afe6493288a1e7a23898a480dd74c0dbdc
[INFO] validating manifest of storyfeet/prisoners_switches 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 storyfeet/prisoners_switches 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 storyfeet/prisoners_switches
[INFO] finished frobbing storyfeet/prisoners_switches
[INFO] frobbed toml for storyfeet/prisoners_switches written to work/ex/beta-1.37-6/sources/1.36.0/gh/storyfeet/prisoners_switches/Cargo.toml
[INFO] started frobbing storyfeet/prisoners_switches
[INFO] finished frobbing storyfeet/prisoners_switches
[INFO] frobbed toml for storyfeet/prisoners_switches written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/storyfeet/prisoners_switches/Cargo.toml
[INFO] crate storyfeet/prisoners_switches 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 storyfeet/prisoners_switches 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-4/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/storyfeet/prisoners_switches:/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] 1ddc32bc1fa53932411eb0253d5566189f71c9679365366b83a96567e459e8c7
[INFO] running `"docker" "start" "-a" "1ddc32bc1fa53932411eb0253d5566189f71c9679365366b83a96567e459e8c7"`
[INFO] [stderr]    Compiling prisoners_switches v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "1ddc32bc1fa53932411eb0253d5566189f71c9679365366b83a96567e459e8c7"`
[INFO] running `"docker" "rm" "-f" "1ddc32bc1fa53932411eb0253d5566189f71c9679365366b83a96567e459e8c7"`
[INFO] [stdout] 1ddc32bc1fa53932411eb0253d5566189f71c9679365366b83a96567e459e8c7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/storyfeet/prisoners_switches:/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] 87d5061d9bc3426a1c5504e1ebe2040c26a15448ba805d6da59fbc0d793e144d
[INFO] running `"docker" "start" "-a" "87d5061d9bc3426a1c5504e1ebe2040c26a15448ba805d6da59fbc0d793e144d"`
[INFO] [stderr]    Compiling prisoners_switches v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "87d5061d9bc3426a1c5504e1ebe2040c26a15448ba805d6da59fbc0d793e144d"`
[INFO] running `"docker" "rm" "-f" "87d5061d9bc3426a1c5504e1ebe2040c26a15448ba805d6da59fbc0d793e144d"`
[INFO] [stdout] 87d5061d9bc3426a1c5504e1ebe2040c26a15448ba805d6da59fbc0d793e144d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/storyfeet/prisoners_switches:/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] ab601baba3f06af960159ab5cb33d3927ff0404e8c8c306403f7b58c37d54075
[INFO] running `"docker" "start" "-a" "ab601baba3f06af960159ab5cb33d3927ff0404e8c8c306403f7b58c37d54075"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/prisoners_switches-d11e86fc27debe88
[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" "ab601baba3f06af960159ab5cb33d3927ff0404e8c8c306403f7b58c37d54075"`
[INFO] running `"docker" "rm" "-f" "ab601baba3f06af960159ab5cb33d3927ff0404e8c8c306403f7b58c37d54075"`
[INFO] [stdout] ab601baba3f06af960159ab5cb33d3927ff0404e8c8c306403f7b58c37d54075