Dec 18 06:58:55.050 INFO checking Kalinichev-Ilya/ip_sniffer against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 06:58:55.050 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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=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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 06:58:55.728 INFO [stdout] 744ed8e696fd1069b5a622b6d67ae0336fa572d02a1623d7754262ed5f1adc9f
Dec 18 06:58:55.734 INFO running `"docker" "start" "-a" "744ed8e696fd1069b5a622b6d67ae0336fa572d02a1623d7754262ed5f1adc9f"`
Dec 18 06:58:57.164 INFO [stderr]     Checking ip_sniffer v0.1.0 (/opt/crater/workdir)
Dec 18 06:58:57.696 INFO [stderr] warning: field is never used: `flag`
Dec 18 06:58:57.696 INFO [stderr]   --> src/main.rs:12:5
Dec 18 06:58:57.696 INFO [stderr]    |
Dec 18 06:58:57.696 INFO [stderr] 12 |     flag: String,
Dec 18 06:58:57.696 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 18 06:58:57.696 INFO [stderr]    |
Dec 18 06:58:57.696 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 06:58:57.697 INFO [stderr] 
Dec 18 06:58:57.708 INFO [stderr] warning: field is never used: `flag`
Dec 18 06:58:57.708 INFO [stderr]   --> src/main.rs:12:5
Dec 18 06:58:57.708 INFO [stderr]    |
Dec 18 06:58:57.708 INFO [stderr] 12 |     flag: String,
Dec 18 06:58:57.708 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 18 06:58:57.709 INFO [stderr]    |
Dec 18 06:58:57.709 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 06:58:57.709 INFO [stderr] 
Dec 18 06:58:57.796 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Dec 18 06:58:58.564 INFO running `"docker" "inspect" "744ed8e696fd1069b5a622b6d67ae0336fa572d02a1623d7754262ed5f1adc9f"`
Dec 18 06:58:58.976 INFO running `"docker" "rm" "-f" "744ed8e696fd1069b5a622b6d67ae0336fa572d02a1623d7754262ed5f1adc9f"`
Dec 18 06:58:59.244 INFO [stdout] 744ed8e696fd1069b5a622b6d67ae0336fa572d02a1623d7754262ed5f1adc9f