[INFO] updating cached repository mau5atron/ip_sniffer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mau5atron/ip_sniffer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mau5atron/ip_sniffer" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/mau5atron/ip_sniffer"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/mau5atron/ip_sniffer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mau5atron/ip_sniffer" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/mau5atron/ip_sniffer"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/mau5atron/ip_sniffer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 47a2b8d3bcd2859f6b0f77d5a91a47171e587deb
[INFO] sha for GitHub repo mau5atron/ip_sniffer: 47a2b8d3bcd2859f6b0f77d5a91a47171e587deb
[INFO] validating manifest of mau5atron/ip_sniffer on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mau5atron/ip_sniffer on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mau5atron/ip_sniffer
[INFO] finished frobbing mau5atron/ip_sniffer
[INFO] frobbed toml for mau5atron/ip_sniffer written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/mau5atron/ip_sniffer/Cargo.toml
[INFO] started frobbing mau5atron/ip_sniffer
[INFO] finished frobbing mau5atron/ip_sniffer
[INFO] frobbed toml for mau5atron/ip_sniffer written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/mau5atron/ip_sniffer/Cargo.toml
[INFO] crate mau5atron/ip_sniffer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking mau5atron/ip_sniffer against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-5/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/mau5atron/ip_sniffer:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 31ecb86a45c2ea7e934656697580a4cf37f0dc1fc4db573313039de9d876150e
[INFO] running `"docker" "start" "-a" "31ecb86a45c2ea7e934656697580a4cf37f0dc1fc4db573313039de9d876150e"`
[INFO] [stderr]     Checking ip_sniffer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `flag`
[INFO] [stderr]   --> src/main.rs:14:2
[INFO] [stderr]    |
[INFO] [stderr] 14 |     flag: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `flag`
[INFO] [stderr]   --> src/main.rs:14:2
[INFO] [stderr]    |
[INFO] [stderr] 14 |     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 0.54s
[INFO] running `"docker" "inspect" "31ecb86a45c2ea7e934656697580a4cf37f0dc1fc4db573313039de9d876150e"`
[INFO] running `"docker" "rm" "-f" "31ecb86a45c2ea7e934656697580a4cf37f0dc1fc4db573313039de9d876150e"`
[INFO] [stdout] 31ecb86a45c2ea7e934656697580a4cf37f0dc1fc4db573313039de9d876150e