[INFO] cloning repository https://github.com/mahmudsudo/ip_sniffer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mahmudsudo/ip_sniffer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahmudsudo%2Fip_sniffer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahmudsudo%2Fip_sniffer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bef023d93be95f5dd95a4e440d8ba3dc8f130d18
[INFO] checking mahmudsudo/ip_sniffer against try#5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahmudsudo%2Fip_sniffer" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mahmudsudo/ip_sniffer
[INFO] finished tweaking git repo https://github.com/mahmudsudo/ip_sniffer
[INFO] tweaked toml for git repo https://github.com/mahmudsudo/ip_sniffer written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mahmudsudo/ip_sniffer on toolchain 5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mahmudsudo/ip_sniffer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c446d0b3fd34b1836061325d5e24c62cc6031f7b5e1ce55d59dc4e9151ea247
[INFO] running `Command { std: "docker" "start" "-a" "1c446d0b3fd34b1836061325d5e24c62cc6031f7b5e1ce55d59dc4e9151ea247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c446d0b3fd34b1836061325d5e24c62cc6031f7b5e1ce55d59dc4e9151ea247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c446d0b3fd34b1836061325d5e24c62cc6031f7b5e1ce55d59dc4e9151ea247", kill_on_drop: false }`
[INFO] [stdout] 1c446d0b3fd34b1836061325d5e24c62cc6031f7b5e1ce55d59dc4e9151ea247
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c5d809c0328bb85a50aa10eabf126b1a8c583726e0cdbad6c9e7dda1c58805b
[INFO] running `Command { std: "docker" "start" "-a" "1c5d809c0328bb85a50aa10eabf126b1a8c583726e0cdbad6c9e7dda1c58805b", kill_on_drop: false }`
[INFO] [stderr]     Checking ip_sniffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `flag` is never read
[INFO] [stdout]   --> src/main.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct Args{
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 56 |    
[INFO] [stdout] 57 |     flag: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/main.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 |   #[warn(dead_code)]
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flag` is never read
[INFO] [stdout]   --> src/main.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct Args{
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 56 |    
[INFO] [stdout] 57 |     flag: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/main.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 |   #[warn(dead_code)]
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "1c5d809c0328bb85a50aa10eabf126b1a8c583726e0cdbad6c9e7dda1c58805b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c5d809c0328bb85a50aa10eabf126b1a8c583726e0cdbad6c9e7dda1c58805b", kill_on_drop: false }`
[INFO] [stdout] 1c5d809c0328bb85a50aa10eabf126b1a8c583726e0cdbad6c9e7dda1c58805b
