[INFO] updating cached repository rhodium45/ip_sniffer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rhodium45/ip_sniffer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rhodium45/ip_sniffer" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/rhodium45/ip_sniffer"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/rhodium45/ip_sniffer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rhodium45/ip_sniffer" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/rhodium45/ip_sniffer"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/rhodium45/ip_sniffer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3bb2c0a1adab1061546e6a6e2b5c22477959eb10
[INFO] sha for GitHub repo rhodium45/ip_sniffer: 3bb2c0a1adab1061546e6a6e2b5c22477959eb10
[INFO] validating manifest of rhodium45/ip_sniffer on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rhodium45/ip_sniffer on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rhodium45/ip_sniffer
[INFO] finished frobbing rhodium45/ip_sniffer
[INFO] frobbed toml for rhodium45/ip_sniffer written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/rhodium45/ip_sniffer/Cargo.toml
[INFO] started frobbing rhodium45/ip_sniffer
[INFO] finished frobbing rhodium45/ip_sniffer
[INFO] frobbed toml for rhodium45/ip_sniffer written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/rhodium45/ip_sniffer/Cargo.toml
[INFO] crate rhodium45/ip_sniffer has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rhodium45/ip_sniffer against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/rhodium45/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] b72b45357587b7d483f1d11a55578c1c3087acc18c6527516a706558aefec77d
[INFO] running `"docker" "start" "-a" "b72b45357587b7d483f1d11a55578c1c3087acc18c6527516a706558aefec77d"`
[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 1.59s
[INFO] running `"docker" "inspect" "b72b45357587b7d483f1d11a55578c1c3087acc18c6527516a706558aefec77d"`
[INFO] running `"docker" "rm" "-f" "b72b45357587b7d483f1d11a55578c1c3087acc18c6527516a706558aefec77d"`
[INFO] [stdout] b72b45357587b7d483f1d11a55578c1c3087acc18c6527516a706558aefec77d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/rhodium45/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] ae42104cb70650e4cfb16ccc9b0e3486d8ca46393f11eeff78a7f6573d537bcd
[INFO] running `"docker" "start" "-a" "ae42104cb70650e4cfb16ccc9b0e3486d8ca46393f11eeff78a7f6573d537bcd"`
[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 0.37s
[INFO] running `"docker" "inspect" "ae42104cb70650e4cfb16ccc9b0e3486d8ca46393f11eeff78a7f6573d537bcd"`
[INFO] running `"docker" "rm" "-f" "ae42104cb70650e4cfb16ccc9b0e3486d8ca46393f11eeff78a7f6573d537bcd"`
[INFO] [stdout] ae42104cb70650e4cfb16ccc9b0e3486d8ca46393f11eeff78a7f6573d537bcd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/rhodium45/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 82cf0144e98cc2588449d5eebd80984e3bf89b703730e1a1318d1bfccbc80fdc
[INFO] running `"docker" "start" "-a" "82cf0144e98cc2588449d5eebd80984e3bf89b703730e1a1318d1bfccbc80fdc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ip_sniffer-e3d7a5e180110b5c
[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" "82cf0144e98cc2588449d5eebd80984e3bf89b703730e1a1318d1bfccbc80fdc"`
[INFO] running `"docker" "rm" "-f" "82cf0144e98cc2588449d5eebd80984e3bf89b703730e1a1318d1bfccbc80fdc"`
[INFO] [stdout] 82cf0144e98cc2588449d5eebd80984e3bf89b703730e1a1318d1bfccbc80fdc