[INFO] updating cached repository Jeffail/jc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Jeffail/jc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Jeffail/jc" "work/ex/beta-1.38-1/sources/1.37.0/gh/Jeffail/jc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Jeffail/jc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Jeffail/jc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Jeffail/jc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Jeffail/jc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 710379e1b25f908b980af5f2143ef07aacb3f2c6
[INFO] sha for GitHub repo Jeffail/jc: 710379e1b25f908b980af5f2143ef07aacb3f2c6
[INFO] validating manifest of Jeffail/jc 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 Jeffail/jc 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 Jeffail/jc
[INFO] finished frobbing Jeffail/jc
[INFO] frobbed toml for Jeffail/jc written to work/ex/beta-1.38-1/sources/1.37.0/gh/Jeffail/jc/Cargo.toml
[INFO] started frobbing Jeffail/jc
[INFO] finished frobbing Jeffail/jc
[INFO] frobbed toml for Jeffail/jc written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Jeffail/jc/Cargo.toml
[INFO] crate Jeffail/jc 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 Jeffail/jc 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/Jeffail/jc:/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] cbffcf8863ef459f8b97c807482985240853dc6c7de9977e5375641ccd0e3fdc
[INFO] running `"docker" "start" "-a" "cbffcf8863ef459f8b97c807482985240853dc6c7de9977e5375641ccd0e3fdc"`
[INFO] [stderr]    Compiling siphasher v0.1.3
[INFO] [stderr]    Compiling chan v0.1.20
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling hyperloglog v0.0.11
[INFO] [stderr]    Compiling chan-signal v0.3.1
[INFO] [stderr]    Compiling jc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.88s
[INFO] running `"docker" "inspect" "cbffcf8863ef459f8b97c807482985240853dc6c7de9977e5375641ccd0e3fdc"`
[INFO] running `"docker" "rm" "-f" "cbffcf8863ef459f8b97c807482985240853dc6c7de9977e5375641ccd0e3fdc"`
[INFO] [stdout] cbffcf8863ef459f8b97c807482985240853dc6c7de9977e5375641ccd0e3fdc
[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/Jeffail/jc:/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] 50869c0e898f3915f3991ee16167af47ffb8e881c4fe6fd1041388c66a02505e
[INFO] running `"docker" "start" "-a" "50869c0e898f3915f3991ee16167af47ffb8e881c4fe6fd1041388c66a02505e"`
[INFO] [stderr]    Compiling jc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `"docker" "inspect" "50869c0e898f3915f3991ee16167af47ffb8e881c4fe6fd1041388c66a02505e"`
[INFO] running `"docker" "rm" "-f" "50869c0e898f3915f3991ee16167af47ffb8e881c4fe6fd1041388c66a02505e"`
[INFO] [stdout] 50869c0e898f3915f3991ee16167af47ffb8e881c4fe6fd1041388c66a02505e
[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/Jeffail/jc:/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] 17e4d0d39e20ac237cb6591fb9982fc234e5a398e3e4193311316418c30a0ea2
[INFO] running `"docker" "start" "-a" "17e4d0d39e20ac237cb6591fb9982fc234e5a398e3e4193311316418c30a0ea2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/jc-db97ea3636f4dc93
[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" "17e4d0d39e20ac237cb6591fb9982fc234e5a398e3e4193311316418c30a0ea2"`
[INFO] running `"docker" "rm" "-f" "17e4d0d39e20ac237cb6591fb9982fc234e5a398e3e4193311316418c30a0ea2"`
[INFO] [stdout] 17e4d0d39e20ac237cb6591fb9982fc234e5a398e3e4193311316418c30a0ea2