[INFO] cloning repository https://github.com/copyleftdev/port-scanner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/copyleftdev/port-scanner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcopyleftdev%2Fport-scanner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcopyleftdev%2Fport-scanner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8f1bec6d2800a11dbd9813e4ceb0c090010bed9
[INFO] checking copyleftdev/port-scanner against master#a932eb36f8adf6c8cdfc450f063943da3112d621 for pr-140209-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcopyleftdev%2Fport-scanner" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/copyleftdev/port-scanner on toolchain a932eb36f8adf6c8cdfc450f063943da3112d621
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/copyleftdev/port-scanner
[INFO] finished tweaking git repo https://github.com/copyleftdev/port-scanner
[INFO] tweaked toml for git repo https://github.com/copyleftdev/port-scanner written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/copyleftdev/port-scanner 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" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12fb1b2e2fe6006bba904f46ec72acd9970a81423ab8236457fe0a57f3f69592
[INFO] running `Command { std: "docker" "start" "-a" "12fb1b2e2fe6006bba904f46ec72acd9970a81423ab8236457fe0a57f3f69592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12fb1b2e2fe6006bba904f46ec72acd9970a81423ab8236457fe0a57f3f69592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12fb1b2e2fe6006bba904f46ec72acd9970a81423ab8236457fe0a57f3f69592", kill_on_drop: false }`
[INFO] [stdout] 12fb1b2e2fe6006bba904f46ec72acd9970a81423ab8236457fe0a57f3f69592
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f35de1d61c4d77832d1f1f9ce1874a34c9b555b131c4139659bd60fbedb8878
[INFO] running `Command { std: "docker" "start" "-a" "1f35de1d61c4d77832d1f1f9ce1874a34c9b555b131c4139659bd60fbedb8878", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling pnet v0.35.0
[INFO] [stderr]     Checking pnet_base v0.35.0
[INFO] [stderr]     Checking pnet_macros_support v0.35.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking pnet_sys v0.35.0
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]     Checking ipnetwork v0.20.0
[INFO] [stderr]     Checking pnet_datalink v0.35.0
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling pnet_macros v0.35.0
[INFO] [stderr]     Checking pnet_packet v0.35.0
[INFO] [stderr]     Checking pnet_transport v0.35.0
[INFO] [stderr]     Checking port-scanner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `src_ip`
[INFO] [stdout]  --> src/main.rs:9:50
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn send_syn_packet(sender: &mut TransportSender, src_ip: Ipv4Addr, dst_ip: Ipv4Addr, dst_port: u16) {
[INFO] [stdout]   |                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_src_ip`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src_ip`
[INFO] [stdout]  --> src/main.rs:9:50
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn send_syn_packet(sender: &mut TransportSender, src_ip: Ipv4Addr, dst_ip: Ipv4Addr, dst_port: u16) {
[INFO] [stdout]   |                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_src_ip`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.12s
[INFO] running `Command { std: "docker" "inspect" "1f35de1d61c4d77832d1f1f9ce1874a34c9b555b131c4139659bd60fbedb8878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f35de1d61c4d77832d1f1f9ce1874a34c9b555b131c4139659bd60fbedb8878", kill_on_drop: false }`
[INFO] [stdout] 1f35de1d61c4d77832d1f1f9ce1874a34c9b555b131c4139659bd60fbedb8878