[INFO] cloning repository https://github.com/elr0p3/OpenPortScanner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elr0p3/OpenPortScanner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felr0p3%2FOpenPortScanner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felr0p3%2FOpenPortScanner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f497d34bee1bd6f81aae34f6a954d7256d9fc042
[INFO] checking elr0p3/OpenPortScanner against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felr0p3%2FOpenPortScanner" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elr0p3/OpenPortScanner on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/elr0p3/OpenPortScanner
[INFO] finished tweaking git repo https://github.com/elr0p3/OpenPortScanner
[INFO] tweaked toml for git repo https://github.com/elr0p3/OpenPortScanner written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/elr0p3/OpenPortScanner already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 547f5459d325f42d2840609ba8a6ad6a49af2c8c1d38a505a11f4b8ab97dc08e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "547f5459d325f42d2840609ba8a6ad6a49af2c8c1d38a505a11f4b8ab97dc08e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "547f5459d325f42d2840609ba8a6ad6a49af2c8c1d38a505a11f4b8ab97dc08e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "547f5459d325f42d2840609ba8a6ad6a49af2c8c1d38a505a11f4b8ab97dc08e", kill_on_drop: false }`
[INFO] [stdout] 547f5459d325f42d2840609ba8a6ad6a49af2c8c1d38a505a11f4b8ab97dc08e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be38a11d79d968fce39ec66088e9ed09b3d291c943cb4aed36352f840e7622d8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "be38a11d79d968fce39ec66088e9ed09b3d291c943cb4aed36352f840e7622d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking openportscanner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> src/input_port_data.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use std::net::{TcpStream, Ipv4Addr};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> src/input_port_data.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use std::net::{TcpStream, Ipv4Addr};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FEW_ARGS`
[INFO] [stdout]  --> src/input_port_data.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     const FEW_ARGS: &'static str = "ERROR! Not enough arguments introduced";
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `scan`
[INFO] [stdout]    --> src/input_port_data.rs:103:16
[INFO] [stdout]     |
[INFO] [stdout] 103 |         pub fn scan(&self) {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FEW_ARGS`
[INFO] [stdout]  --> src/input_port_data.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     const FEW_ARGS: &'static str = "ERROR! Not enough arguments introduced";
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `scan`
[INFO] [stdout]    --> src/input_port_data.rs:103:16
[INFO] [stdout]     |
[INFO] [stdout] 103 |         pub fn scan(&self) {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "be38a11d79d968fce39ec66088e9ed09b3d291c943cb4aed36352f840e7622d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be38a11d79d968fce39ec66088e9ed09b3d291c943cb4aed36352f840e7622d8", kill_on_drop: false }`
[INFO] [stdout] be38a11d79d968fce39ec66088e9ed09b3d291c943cb4aed36352f840e7622d8