[INFO] updating cached repository HunterTParks/port-sniffer-rust-training
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/HunterTParks/port-sniffer-rust-training
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/HunterTParks/port-sniffer-rust-training" "work/ex/beta-1.37-6/sources/1.36.0/gh/HunterTParks/port-sniffer-rust-training"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/HunterTParks/port-sniffer-rust-training'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/HunterTParks/port-sniffer-rust-training" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/HunterTParks/port-sniffer-rust-training"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/HunterTParks/port-sniffer-rust-training'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3553fb2bc251bb531d6e4b1167de3d29beaa00ba
[INFO] sha for GitHub repo HunterTParks/port-sniffer-rust-training: 3553fb2bc251bb531d6e4b1167de3d29beaa00ba
[INFO] validating manifest of HunterTParks/port-sniffer-rust-training 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 HunterTParks/port-sniffer-rust-training 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 HunterTParks/port-sniffer-rust-training
[INFO] finished frobbing HunterTParks/port-sniffer-rust-training
[INFO] frobbed toml for HunterTParks/port-sniffer-rust-training written to work/ex/beta-1.37-6/sources/1.36.0/gh/HunterTParks/port-sniffer-rust-training/Cargo.toml
[INFO] started frobbing HunterTParks/port-sniffer-rust-training
[INFO] finished frobbing HunterTParks/port-sniffer-rust-training
[INFO] frobbed toml for HunterTParks/port-sniffer-rust-training written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/HunterTParks/port-sniffer-rust-training/Cargo.toml
[INFO] crate HunterTParks/port-sniffer-rust-training 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 HunterTParks/port-sniffer-rust-training 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-6/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/HunterTParks/port-sniffer-rust-training:/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] e33a351371ce44b39ead9fd9b1655fd25b5c2f43c5360add3b65d0ca9426c591
[INFO] running `"docker" "start" "-a" "e33a351371ce44b39ead9fd9b1655fd25b5c2f43c5360add3b65d0ca9426c591"`
[INFO] [stderr]    Compiling ip_sniffer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `flag`
[INFO] [stderr]  --> src/arguments/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     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 1.66s
[INFO] running `"docker" "inspect" "e33a351371ce44b39ead9fd9b1655fd25b5c2f43c5360add3b65d0ca9426c591"`
[INFO] running `"docker" "rm" "-f" "e33a351371ce44b39ead9fd9b1655fd25b5c2f43c5360add3b65d0ca9426c591"`
[INFO] [stdout] e33a351371ce44b39ead9fd9b1655fd25b5c2f43c5360add3b65d0ca9426c591
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/HunterTParks/port-sniffer-rust-training:/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] 98122173e8a4c8c63911e212e70d177b3b7b775aa211ff7c3fbf3c8c546f9ed9
[INFO] running `"docker" "start" "-a" "98122173e8a4c8c63911e212e70d177b3b7b775aa211ff7c3fbf3c8c546f9ed9"`
[INFO] [stderr]    Compiling ip_sniffer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `flag`
[INFO] [stderr]  --> src/arguments/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     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 0.70s
[INFO] running `"docker" "inspect" "98122173e8a4c8c63911e212e70d177b3b7b775aa211ff7c3fbf3c8c546f9ed9"`
[INFO] running `"docker" "rm" "-f" "98122173e8a4c8c63911e212e70d177b3b7b775aa211ff7c3fbf3c8c546f9ed9"`
[INFO] [stdout] 98122173e8a4c8c63911e212e70d177b3b7b775aa211ff7c3fbf3c8c546f9ed9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/HunterTParks/port-sniffer-rust-training:/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] 957443cea0c29af6b063ffac420c8bfeb808f382aba6cbb1cd71e6d7adf0e880
[INFO] running `"docker" "start" "-a" "957443cea0c29af6b063ffac420c8bfeb808f382aba6cbb1cd71e6d7adf0e880"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ip_sniffer-9cd44f2b0170c212
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ip_sniffer-d74fec24f3997820
[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] [stderr]    Doc-tests ip_sniffer
[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] [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" "957443cea0c29af6b063ffac420c8bfeb808f382aba6cbb1cd71e6d7adf0e880"`
[INFO] running `"docker" "rm" "-f" "957443cea0c29af6b063ffac420c8bfeb808f382aba6cbb1cd71e6d7adf0e880"`
[INFO] [stdout] 957443cea0c29af6b063ffac420c8bfeb808f382aba6cbb1cd71e6d7adf0e880