[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 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/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 9d808f9aca0ddf108822360fd871aef5e21adc2afd113f3f7238fab876f126f1
[INFO] running `"docker" "start" "-a" "9d808f9aca0ddf108822360fd871aef5e21adc2afd113f3f7238fab876f126f1"`
[INFO] [stderr]    Compiling port_check v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "9d808f9aca0ddf108822360fd871aef5e21adc2afd113f3f7238fab876f126f1"`
[INFO] running `"docker" "rm" "-f" "9d808f9aca0ddf108822360fd871aef5e21adc2afd113f3f7238fab876f126f1"`
[INFO] [stdout] 9d808f9aca0ddf108822360fd871aef5e21adc2afd113f3f7238fab876f126f1
[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/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 40da974255278c6a1c3529cce131c37e4308b043172b9f2da643b537c6f0efa7
[INFO] running `"docker" "start" "-a" "40da974255278c6a1c3529cce131c37e4308b043172b9f2da643b537c6f0efa7"`
[INFO] [stderr]    Compiling port_check v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "40da974255278c6a1c3529cce131c37e4308b043172b9f2da643b537c6f0efa7"`
[INFO] running `"docker" "rm" "-f" "40da974255278c6a1c3529cce131c37e4308b043172b9f2da643b537c6f0efa7"`
[INFO] [stdout] 40da974255278c6a1c3529cce131c37e4308b043172b9f2da643b537c6f0efa7
[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/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] f5fa44e3417dca4754b658e920446c34d623b20263c92c348abdc6e897add24c
[INFO] running `"docker" "start" "-a" "f5fa44e3417dca4754b658e920446c34d623b20263c92c348abdc6e897add24c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/port_check-4416d017f6363c6b
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::should_return_an_unused_port ... ok
[INFO] [stdout] Connection received!
[INFO] [stdout] test tests::a_free_port_should_not_be_reachable ... 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" "f5fa44e3417dca4754b658e920446c34d623b20263c92c348abdc6e897add24c"`
[INFO] running `"docker" "rm" "-f" "f5fa44e3417dca4754b658e920446c34d623b20263c92c348abdc6e897add24c"`
[INFO] [stdout] f5fa44e3417dca4754b658e920446c34d623b20263c92c348abdc6e897add24c