[INFO] updating cached repository XX/machinery
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/XX/machinery
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/XX/machinery" "work/ex/beta-1.38-1/sources/1.37.0/gh/XX/machinery"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/XX/machinery'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/XX/machinery" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/XX/machinery"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/XX/machinery'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8f1a698c96607d30007689ee12aa543c815705c3
[INFO] sha for GitHub repo XX/machinery: 8f1a698c96607d30007689ee12aa543c815705c3
[INFO] validating manifest of XX/machinery 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 XX/machinery 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 XX/machinery
[INFO] finished frobbing XX/machinery
[INFO] frobbed toml for XX/machinery written to work/ex/beta-1.38-1/sources/1.37.0/gh/XX/machinery/Cargo.toml
[INFO] started frobbing XX/machinery
[INFO] finished frobbing XX/machinery
[INFO] frobbed toml for XX/machinery written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/XX/machinery/Cargo.toml
[INFO] crate XX/machinery 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 XX/machinery against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/XX/machinery:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 6a31a66083cbb3eceb8728686b67ad96ac98162e81ee92beb265d5c0a7912625
[INFO] running `"docker" "start" "-a" "6a31a66083cbb3eceb8728686b67ad96ac98162e81ee92beb265d5c0a7912625"`
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling strum_macros v0.12.0
[INFO] [stderr]    Compiling machinery v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.94s
[INFO] running `"docker" "inspect" "6a31a66083cbb3eceb8728686b67ad96ac98162e81ee92beb265d5c0a7912625"`
[INFO] running `"docker" "rm" "-f" "6a31a66083cbb3eceb8728686b67ad96ac98162e81ee92beb265d5c0a7912625"`
[INFO] [stdout] 6a31a66083cbb3eceb8728686b67ad96ac98162e81ee92beb265d5c0a7912625
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/XX/machinery:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 542ec4d895fdde0093a272190b7ed46aab35e1402e986186a82572fb13169d89
[INFO] running `"docker" "start" "-a" "542ec4d895fdde0093a272190b7ed46aab35e1402e986186a82572fb13169d89"`
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling csv v1.0.2
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling shrust v0.0.6
[INFO] [stderr]    Compiling machinery v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `machinery::Game`
[INFO] [stderr]  --> examples/cli.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use machinery::Game;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.84s
[INFO] running `"docker" "inspect" "542ec4d895fdde0093a272190b7ed46aab35e1402e986186a82572fb13169d89"`
[INFO] running `"docker" "rm" "-f" "542ec4d895fdde0093a272190b7ed46aab35e1402e986186a82572fb13169d89"`
[INFO] [stdout] 542ec4d895fdde0093a272190b7ed46aab35e1402e986186a82572fb13169d89
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/XX/machinery:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 3bf8bf23bf047165ba3b63889ba803705ef9055efac34c3fdcbe9499293d6aaf
[INFO] running `"docker" "start" "-a" "3bf8bf23bf047165ba3b63889ba803705ef9055efac34c3fdcbe9499293d6aaf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/machinery-034663433a08d399
[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] [stderr]      Running /opt/crater/target/debug/deps/machinery-50a04bd9f8a4fdde
[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] [stderr]    Doc-tests machinery
[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" "3bf8bf23bf047165ba3b63889ba803705ef9055efac34c3fdcbe9499293d6aaf"`
[INFO] running `"docker" "rm" "-f" "3bf8bf23bf047165ba3b63889ba803705ef9055efac34c3fdcbe9499293d6aaf"`
[INFO] [stdout] 3bf8bf23bf047165ba3b63889ba803705ef9055efac34c3fdcbe9499293d6aaf