[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 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 168f7ad8dfebd76c7082fda3a39e75970cf5719ced1cabd11c3fad3f370c1ce1
[INFO] running `"docker" "start" "-a" "168f7ad8dfebd76c7082fda3a39e75970cf5719ced1cabd11c3fad3f370c1ce1"`
[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 2.11s
[INFO] running `"docker" "inspect" "168f7ad8dfebd76c7082fda3a39e75970cf5719ced1cabd11c3fad3f370c1ce1"`
[INFO] running `"docker" "rm" "-f" "168f7ad8dfebd76c7082fda3a39e75970cf5719ced1cabd11c3fad3f370c1ce1"`
[INFO] [stdout] 168f7ad8dfebd76c7082fda3a39e75970cf5719ced1cabd11c3fad3f370c1ce1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 741931bfa4db384670eb679694cf38fce8ecab316e44a2600ee0a39914f9c66b
[INFO] running `"docker" "start" "-a" "741931bfa4db384670eb679694cf38fce8ecab316e44a2600ee0a39914f9c66b"`
[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 0.95s
[INFO] running `"docker" "inspect" "741931bfa4db384670eb679694cf38fce8ecab316e44a2600ee0a39914f9c66b"`
[INFO] running `"docker" "rm" "-f" "741931bfa4db384670eb679694cf38fce8ecab316e44a2600ee0a39914f9c66b"`
[INFO] [stdout] 741931bfa4db384670eb679694cf38fce8ecab316e44a2600ee0a39914f9c66b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 8f702aad39835e16bda76687dfa99390acfa59a02b331c0077a3dcd2f3efeb34
[INFO] running `"docker" "start" "-a" "8f702aad39835e16bda76687dfa99390acfa59a02b331c0077a3dcd2f3efeb34"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/portsniffer-5faa1945848daf04
[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" "8f702aad39835e16bda76687dfa99390acfa59a02b331c0077a3dcd2f3efeb34"`
[INFO] running `"docker" "rm" "-f" "8f702aad39835e16bda76687dfa99390acfa59a02b331c0077a3dcd2f3efeb34"`
[INFO] [stdout] 8f702aad39835e16bda76687dfa99390acfa59a02b331c0077a3dcd2f3efeb34