[INFO] updating cached repository Kalinichev-Ilya/ip_sniffer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Kalinichev-Ilya/ip_sniffer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Kalinichev-Ilya/ip_sniffer" "work/ex/beta-1.38-1/sources/1.37.0/gh/Kalinichev-Ilya/ip_sniffer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Kalinichev-Ilya/ip_sniffer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Kalinichev-Ilya/ip_sniffer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Kalinichev-Ilya/ip_sniffer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Kalinichev-Ilya/ip_sniffer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 765e7b6c4f402bcb37be5b740a3a9c29968e1ee7
[INFO] sha for GitHub repo Kalinichev-Ilya/ip_sniffer: 765e7b6c4f402bcb37be5b740a3a9c29968e1ee7
[INFO] validating manifest of Kalinichev-Ilya/ip_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 Kalinichev-Ilya/ip_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 Kalinichev-Ilya/ip_sniffer
[INFO] finished frobbing Kalinichev-Ilya/ip_sniffer
[INFO] frobbed toml for Kalinichev-Ilya/ip_sniffer written to work/ex/beta-1.38-1/sources/1.37.0/gh/Kalinichev-Ilya/ip_sniffer/Cargo.toml
[INFO] started frobbing Kalinichev-Ilya/ip_sniffer
[INFO] finished frobbing Kalinichev-Ilya/ip_sniffer
[INFO] frobbed toml for Kalinichev-Ilya/ip_sniffer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Kalinichev-Ilya/ip_sniffer/Cargo.toml
[INFO] crate Kalinichev-Ilya/ip_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 Kalinichev-Ilya/ip_sniffer 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-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Kalinichev-Ilya/ip_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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] fd48c66fb94c28257124d9c1b1a45c2fedd30a10c0285d50076753146d3e9d73
[INFO] running `"docker" "start" "-a" "fd48c66fb94c28257124d9c1b1a45c2fedd30a10c0285d50076753146d3e9d73"`
[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" "fd48c66fb94c28257124d9c1b1a45c2fedd30a10c0285d50076753146d3e9d73"`
[INFO] running `"docker" "rm" "-f" "fd48c66fb94c28257124d9c1b1a45c2fedd30a10c0285d50076753146d3e9d73"`
[INFO] [stdout] fd48c66fb94c28257124d9c1b1a45c2fedd30a10c0285d50076753146d3e9d73
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Kalinichev-Ilya/ip_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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2123189d5c751948ec223bcb73aae8f6e08a2df08614078ced7c2115b306647f
[INFO] running `"docker" "start" "-a" "2123189d5c751948ec223bcb73aae8f6e08a2df08614078ced7c2115b306647f"`
[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 0.70s
[INFO] running `"docker" "inspect" "2123189d5c751948ec223bcb73aae8f6e08a2df08614078ced7c2115b306647f"`
[INFO] running `"docker" "rm" "-f" "2123189d5c751948ec223bcb73aae8f6e08a2df08614078ced7c2115b306647f"`
[INFO] [stdout] 2123189d5c751948ec223bcb73aae8f6e08a2df08614078ced7c2115b306647f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Kalinichev-Ilya/ip_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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 2e4f9e63eaf16bbe16551be553bfd0c19d89f9613e9742369f55bb762b0ac07d
[INFO] running `"docker" "start" "-a" "2e4f9e63eaf16bbe16551be553bfd0c19d89f9613e9742369f55bb762b0ac07d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ip_sniffer-331c7c4755540a87
[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" "2e4f9e63eaf16bbe16551be553bfd0c19d89f9613e9742369f55bb762b0ac07d"`
[INFO] running `"docker" "rm" "-f" "2e4f9e63eaf16bbe16551be553bfd0c19d89f9613e9742369f55bb762b0ac07d"`
[INFO] [stdout] 2e4f9e63eaf16bbe16551be553bfd0c19d89f9613e9742369f55bb762b0ac07d