[INFO] cloning repository https://github.com/trevortomlin/Rust-Basic-PortScanner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trevortomlin/Rust-Basic-PortScanner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevortomlin%2FRust-Basic-PortScanner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevortomlin%2FRust-Basic-PortScanner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4186ff704a124c014cc4285d2911e47281c07e2
[INFO] testing trevortomlin/Rust-Basic-PortScanner against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevortomlin%2FRust-Basic-PortScanner" "/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/trevortomlin/Rust-Basic-PortScanner
[INFO] finished tweaking git repo https://github.com/trevortomlin/Rust-Basic-PortScanner
[INFO] tweaked toml for git repo https://github.com/trevortomlin/Rust-Basic-PortScanner written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/trevortomlin/Rust-Basic-PortScanner on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/trevortomlin/Rust-Basic-PortScanner 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4752106f15c0bef9372b3c3b22fd35eee9c505e5c705c98c4886c0cf56acc50
[INFO] running `Command { std: "docker" "start" "-a" "c4752106f15c0bef9372b3c3b22fd35eee9c505e5c705c98c4886c0cf56acc50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4752106f15c0bef9372b3c3b22fd35eee9c505e5c705c98c4886c0cf56acc50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4752106f15c0bef9372b3c3b22fd35eee9c505e5c705c98c4886c0cf56acc50", kill_on_drop: false }`
[INFO] [stdout] c4752106f15c0bef9372b3c3b22fd35eee9c505e5c705c98c4886c0cf56acc50
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3a132ab3a17e0a249ead6e43e01de086bea8d67e70f35c6a41028eacd249fee
[INFO] running `Command { std: "docker" "start" "-a" "c3a132ab3a17e0a249ead6e43e01de086bea8d67e70f35c6a41028eacd249fee", kill_on_drop: false }`
[INFO] [stderr]    Compiling port_scanner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/main.rs:71:15
[INFO] [stdout]    |
[INFO] [stdout] 71 |     if let Ok(stream) = TcpStream::connect(addrs) {
[INFO] [stdout]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `port_status` is never read
[INFO] [stdout]   --> src/main.rs:69:27
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let mut port_status = PortStatus::OPEN;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "c3a132ab3a17e0a249ead6e43e01de086bea8d67e70f35c6a41028eacd249fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3a132ab3a17e0a249ead6e43e01de086bea8d67e70f35c6a41028eacd249fee", kill_on_drop: false }`
[INFO] [stdout] c3a132ab3a17e0a249ead6e43e01de086bea8d67e70f35c6a41028eacd249fee
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27c599122c93fa03b007663b98a166aeaa2a33c37c4c30aca41f651f16d45afa
[INFO] running `Command { std: "docker" "start" "-a" "27c599122c93fa03b007663b98a166aeaa2a33c37c4c30aca41f651f16d45afa", kill_on_drop: false }`
[INFO] [stderr]    Compiling port_scanner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/main.rs:71:15
[INFO] [stdout]    |
[INFO] [stdout] 71 |     if let Ok(stream) = TcpStream::connect(addrs) {
[INFO] [stdout]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `port_status` is never read
[INFO] [stdout]   --> src/main.rs:69:27
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let mut port_status = PortStatus::OPEN;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "27c599122c93fa03b007663b98a166aeaa2a33c37c4c30aca41f651f16d45afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27c599122c93fa03b007663b98a166aeaa2a33c37c4c30aca41f651f16d45afa", kill_on_drop: false }`
[INFO] [stdout] 27c599122c93fa03b007663b98a166aeaa2a33c37c4c30aca41f651f16d45afa
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6c1a9b7bb2c0a0ee680e677e94947c02ce818d7a61603dd7bca74e8273ebbe88
[INFO] running `Command { std: "docker" "start" "-a" "6c1a9b7bb2c0a0ee680e677e94947c02ce818d7a61603dd7bca74e8273ebbe88", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> src/main.rs:71:15
[INFO] [stderr]    |
[INFO] [stderr] 71 |     if let Ok(stream) = TcpStream::connect(addrs) {
[INFO] [stderr]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `port_status` is never read
[INFO] [stderr]   --> src/main.rs:69:27
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let mut port_status = PortStatus::OPEN;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `port_scanner` (bin "port_scanner" test) generated 2 warnings (run `cargo fix --bin "port_scanner" -p port_scanner --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/port_scanner-9c6b627874e0499c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c1a9b7bb2c0a0ee680e677e94947c02ce818d7a61603dd7bca74e8273ebbe88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c1a9b7bb2c0a0ee680e677e94947c02ce818d7a61603dd7bca74e8273ebbe88", kill_on_drop: false }`
[INFO] [stdout] 6c1a9b7bb2c0a0ee680e677e94947c02ce818d7a61603dd7bca74e8273ebbe88
