[INFO] updating cached repository pyk/rust-perceptron
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pyk/rust-perceptron
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pyk/rust-perceptron" "work/ex/beta-1.38-1/sources/1.37.0/gh/pyk/rust-perceptron"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/pyk/rust-perceptron'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pyk/rust-perceptron" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pyk/rust-perceptron"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pyk/rust-perceptron'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d896ae6b185ee3718c5cdff8aa67759f8e855355
[INFO] sha for GitHub repo pyk/rust-perceptron: d896ae6b185ee3718c5cdff8aa67759f8e855355
[INFO] validating manifest of pyk/rust-perceptron 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 pyk/rust-perceptron 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 pyk/rust-perceptron
[INFO] finished frobbing pyk/rust-perceptron
[INFO] frobbed toml for pyk/rust-perceptron written to work/ex/beta-1.38-1/sources/1.37.0/gh/pyk/rust-perceptron/Cargo.toml
[INFO] started frobbing pyk/rust-perceptron
[INFO] finished frobbing pyk/rust-perceptron
[INFO] frobbed toml for pyk/rust-perceptron written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pyk/rust-perceptron/Cargo.toml
[INFO] crate pyk/rust-perceptron 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 pyk/rust-perceptron 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-3/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/pyk/rust-perceptron:/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] d44984ac2d88a739ee8457768d399e20b711b1fe9df16cb70011bfc551e4eeaa
[INFO] running `"docker" "start" "-a" "d44984ac2d88a739ee8457768d399e20b711b1fe9df16cb70011bfc551e4eeaa"`
[INFO] [stderr]    Compiling perceptron v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "d44984ac2d88a739ee8457768d399e20b711b1fe9df16cb70011bfc551e4eeaa"`
[INFO] running `"docker" "rm" "-f" "d44984ac2d88a739ee8457768d399e20b711b1fe9df16cb70011bfc551e4eeaa"`
[INFO] [stdout] d44984ac2d88a739ee8457768d399e20b711b1fe9df16cb70011bfc551e4eeaa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/pyk/rust-perceptron:/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] 414abdf561fed9d5169b90f12087cf1a99804ffa5256d8e0fd20cf26285f68cb
[INFO] running `"docker" "start" "-a" "414abdf561fed9d5169b90f12087cf1a99804ffa5256d8e0fd20cf26285f68cb"`
[INFO] [stderr]    Compiling perceptron v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "414abdf561fed9d5169b90f12087cf1a99804ffa5256d8e0fd20cf26285f68cb"`
[INFO] running `"docker" "rm" "-f" "414abdf561fed9d5169b90f12087cf1a99804ffa5256d8e0fd20cf26285f68cb"`
[INFO] [stdout] 414abdf561fed9d5169b90f12087cf1a99804ffa5256d8e0fd20cf26285f68cb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/pyk/rust-perceptron:/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] ea22fbf38bce2185064a16f7705a871e7c065b3116e43e061831f4412cdce1b7
[INFO] running `"docker" "start" "-a" "ea22fbf38bce2185064a16f7705a871e7c065b3116e43e061831f4412cdce1b7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/perceptron-ac72d60e847f5fec
[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" "ea22fbf38bce2185064a16f7705a871e7c065b3116e43e061831f4412cdce1b7"`
[INFO] running `"docker" "rm" "-f" "ea22fbf38bce2185064a16f7705a871e7c065b3116e43e061831f4412cdce1b7"`
[INFO] [stdout] ea22fbf38bce2185064a16f7705a871e7c065b3116e43e061831f4412cdce1b7