[INFO] cloning repository https://github.com/AvinashKasukurthi/port_scanner_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AvinashKasukurthi/port_scanner_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAvinashKasukurthi%2Fport_scanner_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAvinashKasukurthi%2Fport_scanner_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea6f0ee7aeb44be8d4cf44cd3854d1cb655bea10
[INFO] checking AvinashKasukurthi/port_scanner_rs against try#44f3504e96c944ae54fc72b5f5008f53f7eda001 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAvinashKasukurthi%2Fport_scanner_rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AvinashKasukurthi/port_scanner_rs on toolchain 44f3504e96c944ae54fc72b5f5008f53f7eda001
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AvinashKasukurthi/port_scanner_rs
[INFO] finished tweaking git repo https://github.com/AvinashKasukurthi/port_scanner_rs
[INFO] tweaked toml for git repo https://github.com/AvinashKasukurthi/port_scanner_rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/AvinashKasukurthi/port_scanner_rs 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" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b2efdfadc25a61371297eff637e62cb63d5cfe579a0e2e8d7f38f6c75429715
[INFO] running `Command { std: "docker" "start" "-a" "8b2efdfadc25a61371297eff637e62cb63d5cfe579a0e2e8d7f38f6c75429715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b2efdfadc25a61371297eff637e62cb63d5cfe579a0e2e8d7f38f6c75429715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b2efdfadc25a61371297eff637e62cb63d5cfe579a0e2e8d7f38f6c75429715", kill_on_drop: false }`
[INFO] [stdout] 8b2efdfadc25a61371297eff637e62cb63d5cfe579a0e2e8d7f38f6c75429715
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 402cdfb9b652bbc5d39cd718390df8b7762a080e7ed30cff8888b309d5828b22
[INFO] running `Command { std: "docker" "start" "-a" "402cdfb9b652bbc5d39cd718390df8b7762a080e7ed30cff8888b309d5828b22", kill_on_drop: false }`
[INFO] [stderr]     Checking port_scanner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `flag` is never read
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Arguments {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 11 |     flag: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flag` is never read
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Arguments {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 11 |     flag: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "402cdfb9b652bbc5d39cd718390df8b7762a080e7ed30cff8888b309d5828b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "402cdfb9b652bbc5d39cd718390df8b7762a080e7ed30cff8888b309d5828b22", kill_on_drop: false }`
[INFO] [stdout] 402cdfb9b652bbc5d39cd718390df8b7762a080e7ed30cff8888b309d5828b22
