[INFO] updating cached repository LAKSHITgoel/portsniffer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/LAKSHITgoel/portsniffer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/LAKSHITgoel/portsniffer" "work/ex/beta-1.37-6/sources/1.36.0/gh/LAKSHITgoel/portsniffer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/LAKSHITgoel/portsniffer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/LAKSHITgoel/portsniffer" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/LAKSHITgoel/portsniffer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/LAKSHITgoel/portsniffer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 825c0cac4c930213cd420a96c043f6d950740327
[INFO] sha for GitHub repo LAKSHITgoel/portsniffer: 825c0cac4c930213cd420a96c043f6d950740327
[INFO] validating manifest of LAKSHITgoel/portsniffer 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 LAKSHITgoel/portsniffer 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 LAKSHITgoel/portsniffer
[INFO] finished frobbing LAKSHITgoel/portsniffer
[INFO] frobbed toml for LAKSHITgoel/portsniffer written to work/ex/beta-1.37-6/sources/1.36.0/gh/LAKSHITgoel/portsniffer/Cargo.toml
[INFO] started frobbing LAKSHITgoel/portsniffer
[INFO] finished frobbing LAKSHITgoel/portsniffer
[INFO] frobbed toml for LAKSHITgoel/portsniffer written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/LAKSHITgoel/portsniffer/Cargo.toml
[INFO] crate LAKSHITgoel/portsniffer 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 LAKSHITgoel/portsniffer 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-4/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/LAKSHITgoel/portsniffer:/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] 464b6fa2a163d9bc49b5ab72aef03d43be37835a1e9c3364f57cec3119233c3d
[INFO] running `"docker" "start" "-a" "464b6fa2a163d9bc49b5ab72aef03d43be37835a1e9c3364f57cec3119233c3d"`
[INFO] [stderr]    Compiling portsniffer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `flag`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     flag: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `"docker" "inspect" "464b6fa2a163d9bc49b5ab72aef03d43be37835a1e9c3364f57cec3119233c3d"`
[INFO] running `"docker" "rm" "-f" "464b6fa2a163d9bc49b5ab72aef03d43be37835a1e9c3364f57cec3119233c3d"`
[INFO] [stdout] 464b6fa2a163d9bc49b5ab72aef03d43be37835a1e9c3364f57cec3119233c3d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/LAKSHITgoel/portsniffer:/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] 796c3c2338a6ea73b941e4fad6c35921a52ca339804eb38bd71b6293e15d0523
[INFO] running `"docker" "start" "-a" "796c3c2338a6ea73b941e4fad6c35921a52ca339804eb38bd71b6293e15d0523"`
[INFO] [stderr]    Compiling portsniffer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `flag`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     flag: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "796c3c2338a6ea73b941e4fad6c35921a52ca339804eb38bd71b6293e15d0523"`
[INFO] running `"docker" "rm" "-f" "796c3c2338a6ea73b941e4fad6c35921a52ca339804eb38bd71b6293e15d0523"`
[INFO] [stdout] 796c3c2338a6ea73b941e4fad6c35921a52ca339804eb38bd71b6293e15d0523
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/LAKSHITgoel/portsniffer:/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] 67ae65ff8793501a5499f407e7632cd3b6f3da88938512c1e24bb37b4d8c94c2
[INFO] running `"docker" "start" "-a" "67ae65ff8793501a5499f407e7632cd3b6f3da88938512c1e24bb37b4d8c94c2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/portsniffer-e9a8c43eebc565c8
[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" "67ae65ff8793501a5499f407e7632cd3b6f3da88938512c1e24bb37b4d8c94c2"`
[INFO] running `"docker" "rm" "-f" "67ae65ff8793501a5499f407e7632cd3b6f3da88938512c1e24bb37b4d8c94c2"`
[INFO] [stdout] 67ae65ff8793501a5499f407e7632cd3b6f3da88938512c1e24bb37b4d8c94c2