[INFO] updating cached repository francescop/rust_portscanner
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/francescop/rust_portscanner
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/francescop/rust_portscanner" "work/ex/beta-1.37-6/sources/1.36.0/gh/francescop/rust_portscanner"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/francescop/rust_portscanner'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/francescop/rust_portscanner" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/francescop/rust_portscanner"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/francescop/rust_portscanner'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 73a2be9423918e24f9fc064c2afbf3e020330c66
[INFO] sha for GitHub repo francescop/rust_portscanner: 73a2be9423918e24f9fc064c2afbf3e020330c66
[INFO] validating manifest of francescop/rust_portscanner 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 francescop/rust_portscanner 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 francescop/rust_portscanner
[INFO] finished frobbing francescop/rust_portscanner
[INFO] frobbed toml for francescop/rust_portscanner written to work/ex/beta-1.37-6/sources/1.36.0/gh/francescop/rust_portscanner/Cargo.toml
[INFO] started frobbing francescop/rust_portscanner
[INFO] finished frobbing francescop/rust_portscanner
[INFO] frobbed toml for francescop/rust_portscanner written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/francescop/rust_portscanner/Cargo.toml
[INFO] crate francescop/rust_portscanner 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 francescop/rust_portscanner 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-7/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/francescop/rust_portscanner:/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] 788cdf2fe1d33c89821f5ca41133c8273a083dbf2bb1df4bd53778cdb588a8b3
[INFO] running `"docker" "start" "-a" "788cdf2fe1d33c89821f5ca41133c8273a083dbf2bb1df4bd53778cdb588a8b3"`
[INFO] [stderr]    Compiling port_scanner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "788cdf2fe1d33c89821f5ca41133c8273a083dbf2bb1df4bd53778cdb588a8b3"`
[INFO] running `"docker" "rm" "-f" "788cdf2fe1d33c89821f5ca41133c8273a083dbf2bb1df4bd53778cdb588a8b3"`
[INFO] [stdout] 788cdf2fe1d33c89821f5ca41133c8273a083dbf2bb1df4bd53778cdb588a8b3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/francescop/rust_portscanner:/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] 722abdd75589039b391e67ef0f4b5ac934bd8c7c983abccc8d333b392a43886e
[INFO] running `"docker" "start" "-a" "722abdd75589039b391e67ef0f4b5ac934bd8c7c983abccc8d333b392a43886e"`
[INFO] [stderr]    Compiling port_scanner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "722abdd75589039b391e67ef0f4b5ac934bd8c7c983abccc8d333b392a43886e"`
[INFO] running `"docker" "rm" "-f" "722abdd75589039b391e67ef0f4b5ac934bd8c7c983abccc8d333b392a43886e"`
[INFO] [stdout] 722abdd75589039b391e67ef0f4b5ac934bd8c7c983abccc8d333b392a43886e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/francescop/rust_portscanner:/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] 4188b0c28ee79b6fcb3e8f719f8640f45fdc1a12541c6f682d79062174a06a3e
[INFO] running `"docker" "start" "-a" "4188b0c28ee79b6fcb3e8f719f8640f45fdc1a12541c6f682d79062174a06a3e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/port_scanner-ee5cf0ea24ae71c7
[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" "4188b0c28ee79b6fcb3e8f719f8640f45fdc1a12541c6f682d79062174a06a3e"`
[INFO] running `"docker" "rm" "-f" "4188b0c28ee79b6fcb3e8f719f8640f45fdc1a12541c6f682d79062174a06a3e"`
[INFO] [stdout] 4188b0c28ee79b6fcb3e8f719f8640f45fdc1a12541c6f682d79062174a06a3e