[INFO] updating cached repository p0wp0wpanda/rust_port_sniffer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/p0wp0wpanda/rust_port_sniffer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/p0wp0wpanda/rust_port_sniffer" "work/ex/beta-1.38-1/sources/1.37.0/gh/p0wp0wpanda/rust_port_sniffer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/p0wp0wpanda/rust_port_sniffer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/p0wp0wpanda/rust_port_sniffer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/p0wp0wpanda/rust_port_sniffer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/p0wp0wpanda/rust_port_sniffer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0522c54adabdb00c8400aec984371df9168b0ab4
[INFO] sha for GitHub repo p0wp0wpanda/rust_port_sniffer: 0522c54adabdb00c8400aec984371df9168b0ab4
[INFO] validating manifest of p0wp0wpanda/rust_port_sniffer 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 p0wp0wpanda/rust_port_sniffer 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 p0wp0wpanda/rust_port_sniffer
[INFO] finished frobbing p0wp0wpanda/rust_port_sniffer
[INFO] frobbed toml for p0wp0wpanda/rust_port_sniffer written to work/ex/beta-1.38-1/sources/1.37.0/gh/p0wp0wpanda/rust_port_sniffer/Cargo.toml
[INFO] started frobbing p0wp0wpanda/rust_port_sniffer
[INFO] finished frobbing p0wp0wpanda/rust_port_sniffer
[INFO] frobbed toml for p0wp0wpanda/rust_port_sniffer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/p0wp0wpanda/rust_port_sniffer/Cargo.toml
[INFO] crate p0wp0wpanda/rust_port_sniffer already has a lockfile, it will not be regenerated
[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 p0wp0wpanda/rust_port_sniffer 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/p0wp0wpanda/rust_port_sniffer:/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] 6cbf525eba85ddaaaf192aca100c55a0fc6ca6ffc95b9445edafdcab8b89644c
[INFO] running `"docker" "start" "-a" "6cbf525eba85ddaaaf192aca100c55a0fc6ca6ffc95b9445edafdcab8b89644c"`
[INFO] [stderr]    Compiling ip_sniffer 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 1.64s
[INFO] running `"docker" "inspect" "6cbf525eba85ddaaaf192aca100c55a0fc6ca6ffc95b9445edafdcab8b89644c"`
[INFO] running `"docker" "rm" "-f" "6cbf525eba85ddaaaf192aca100c55a0fc6ca6ffc95b9445edafdcab8b89644c"`
[INFO] [stdout] 6cbf525eba85ddaaaf192aca100c55a0fc6ca6ffc95b9445edafdcab8b89644c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/p0wp0wpanda/rust_port_sniffer:/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] ac4017e6891bc27bfc67161d23f6061436719266ea49296e42d07b3b19a11c92
[INFO] running `"docker" "start" "-a" "ac4017e6891bc27bfc67161d23f6061436719266ea49296e42d07b3b19a11c92"`
[INFO] [stderr]    Compiling ip_sniffer 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 0.80s
[INFO] running `"docker" "inspect" "ac4017e6891bc27bfc67161d23f6061436719266ea49296e42d07b3b19a11c92"`
[INFO] running `"docker" "rm" "-f" "ac4017e6891bc27bfc67161d23f6061436719266ea49296e42d07b3b19a11c92"`
[INFO] [stdout] ac4017e6891bc27bfc67161d23f6061436719266ea49296e42d07b3b19a11c92
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/p0wp0wpanda/rust_port_sniffer:/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] 1c350929ae92a9ba7bf47d1b401b50f9fd1823d062e9192725af2a70bd6af383
[INFO] running `"docker" "start" "-a" "1c350929ae92a9ba7bf47d1b401b50f9fd1823d062e9192725af2a70bd6af383"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ip_sniffer-3ebe61e9c82f4cbe
[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" "1c350929ae92a9ba7bf47d1b401b50f9fd1823d062e9192725af2a70bd6af383"`
[INFO] running `"docker" "rm" "-f" "1c350929ae92a9ba7bf47d1b401b50f9fd1823d062e9192725af2a70bd6af383"`
[INFO] [stdout] 1c350929ae92a9ba7bf47d1b401b50f9fd1823d062e9192725af2a70bd6af383