[INFO] crate port_check 0.1.0 is already in cache
[INFO] extracting crate port_check 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/port_check/0.1.0
[INFO] extracting crate port_check 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/port_check/0.1.0
[INFO] validating manifest of port_check-0.1.0 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 port_check-0.1.0 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 port_check-0.1.0
[INFO] finished frobbing port_check-0.1.0
[INFO] frobbed toml for port_check-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/port_check/0.1.0/Cargo.toml
[INFO] started frobbing port_check-0.1.0
[INFO] finished frobbing port_check-0.1.0
[INFO] frobbed toml for port_check-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/port_check/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 port_check-0.1.0 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/reg/port_check/0.1.0:/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] 7eb41a4af5f71c9b46b0c9377b8e3a1d95bd064a06ed763c506e47c272e043f5
[INFO] running `"docker" "start" "-a" "7eb41a4af5f71c9b46b0c9377b8e3a1d95bd064a06ed763c506e47c272e043f5"`
[INFO] [stderr]    Compiling port_check v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `"docker" "inspect" "7eb41a4af5f71c9b46b0c9377b8e3a1d95bd064a06ed763c506e47c272e043f5"`
[INFO] running `"docker" "rm" "-f" "7eb41a4af5f71c9b46b0c9377b8e3a1d95bd064a06ed763c506e47c272e043f5"`
[INFO] [stdout] 7eb41a4af5f71c9b46b0c9377b8e3a1d95bd064a06ed763c506e47c272e043f5
[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/reg/port_check/0.1.0:/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] cb960ba74a3a99839751bd9dfdd9d6778586e37c5ce3f20748e10faaab06aa36
[INFO] running `"docker" "start" "-a" "cb960ba74a3a99839751bd9dfdd9d6778586e37c5ce3f20748e10faaab06aa36"`
[INFO] [stderr]    Compiling port_check v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "cb960ba74a3a99839751bd9dfdd9d6778586e37c5ce3f20748e10faaab06aa36"`
[INFO] running `"docker" "rm" "-f" "cb960ba74a3a99839751bd9dfdd9d6778586e37c5ce3f20748e10faaab06aa36"`
[INFO] [stdout] cb960ba74a3a99839751bd9dfdd9d6778586e37c5ce3f20748e10faaab06aa36
[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/reg/port_check/0.1.0:/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] 61312792b6367a3398146a49322758473b440d64e73b3942533acf4011849f42
[INFO] running `"docker" "start" "-a" "61312792b6367a3398146a49322758473b440d64e73b3942533acf4011849f42"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/port_check-85a2f98cf412b952
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::a_free_port_should_not_be_reachable ... ok
[INFO] [stdout] Connection received!
[INFO] [stdout] test tests::should_return_an_unused_port ... ok
[INFO] [stdout] test tests::should_return_an_unused_port_in_range ... ok
[INFO] [stdout] test tests::an_open_port_should_be_reachable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests port_check
[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" "61312792b6367a3398146a49322758473b440d64e73b3942533acf4011849f42"`
[INFO] running `"docker" "rm" "-f" "61312792b6367a3398146a49322758473b440d64e73b3942533acf4011849f42"`
[INFO] [stdout] 61312792b6367a3398146a49322758473b440d64e73b3942533acf4011849f42