[INFO] cloning repository https://github.com/modeverv/Rust2020_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/modeverv/Rust2020_port_scanner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodeverv%2FRust2020_port_scanner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodeverv%2FRust2020_port_scanner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8356ddf74dd62d32ecd8732e0ffe8c6cd5534a9
[INFO] testing modeverv/Rust2020_port_scanner against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodeverv%2FRust2020_port_scanner" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/modeverv/Rust2020_port_scanner on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/modeverv/Rust2020_port_scanner
[INFO] finished tweaking git repo https://github.com/modeverv/Rust2020_port_scanner
[INFO] tweaked toml for git repo https://github.com/modeverv/Rust2020_port_scanner written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/modeverv/Rust2020_port_scanner already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.2
[INFO] [stderr]   Downloaded pnet_sys v0.25.0
[INFO] [stderr]   Downloaded pnet v0.25.0
[INFO] [stderr]   Downloaded syntex_syntax v0.42.0
[INFO] [stderr]   Downloaded utf8-ranges v1.0.4
[INFO] [stderr]   Downloaded pnet_base v0.22.0
[INFO] [stderr]   Downloaded glob v0.2.11
[INFO] [stderr]   Downloaded aho-corasick v0.6.10
[INFO] [stderr]   Downloaded pnet_datalink v0.25.0
[INFO] [stderr]   Downloaded syntex v0.42.2
[INFO] [stderr]   Downloaded syntex_pos v0.42.0
[INFO] [stderr]   Downloaded bitflags v0.5.0
[INFO] [stderr]   Downloaded ipnetwork v0.15.1
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.0
[INFO] [stderr]   Downloaded term v0.4.6
[INFO] [stderr]   Downloaded pnet_transport v0.25.0
[INFO] [stderr]   Downloaded scopeguard v1.0.0
[INFO] [stderr]   Downloaded pnet_macros v0.25.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.25.0
[INFO] [stderr]   Downloaded syntex_errors v0.42.0
[INFO] [stderr]   Downloaded rustc-serialize v0.3.24
[INFO] [stderr]   Downloaded pnet_packet v0.25.0
[INFO] [stderr]   Downloaded regex v1.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f84058527fd81c206179e3c5ceaaeab3b30b7ce3dd75fc6c9732ddfc9ed8af8
[INFO] running `Command { std: "docker" "start" "-a" "5f84058527fd81c206179e3c5ceaaeab3b30b7ce3dd75fc6c9732ddfc9ed8af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f84058527fd81c206179e3c5ceaaeab3b30b7ce3dd75fc6c9732ddfc9ed8af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f84058527fd81c206179e3c5ceaaeab3b30b7ce3dd75fc6c9732ddfc9ed8af8", kill_on_drop: false }`
[INFO] [stdout] 5f84058527fd81c206179e3c5ceaaeab3b30b7ce3dd75fc6c9732ddfc9ed8af8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e603b02d9b743a1d7c12cd60e998ee1ee5098186c60c950e223e58dbd0a37626
[INFO] running `Command { std: "docker" "start" "-a" "e603b02d9b743a1d7c12cd60e998ee1ee5098186c60c950e223e58dbd0a37626", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling pnet_base v0.22.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling pnet v0.25.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling pnet_macros_support v0.25.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling pnet_sys v0.25.0
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling backtrace v0.3.43
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling ipnetwork v0.15.1
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling pnet_datalink v0.25.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.25.0
[INFO] [stderr]    Compiling pnet_packet v0.25.0
[INFO] [stderr]    Compiling pnet_transport v0.25.0
[INFO] [stderr]    Compiling port-scanner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | /     rayon::join(
[INFO] [stdout] 74 | |         || send_packet(&mut ts,&packet_info),
[INFO] [stdout] 75 | |         || receive_packets(&mut tr, &packet_info)
[INFO] [stdout] 76 | |     );
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | /     rayon::join(
[INFO] [stdout] 74 | |         || send_packet(&mut ts,&packet_info),
[INFO] [stdout] 75 | |         || receive_packets(&mut tr, &packet_info)
[INFO] [stdout] 76 | |     );
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.12s
[INFO] running `Command { std: "docker" "inspect" "e603b02d9b743a1d7c12cd60e998ee1ee5098186c60c950e223e58dbd0a37626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e603b02d9b743a1d7c12cd60e998ee1ee5098186c60c950e223e58dbd0a37626", kill_on_drop: false }`
[INFO] [stdout] e603b02d9b743a1d7c12cd60e998ee1ee5098186c60c950e223e58dbd0a37626
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 597a18857c4b463362dad81476cdeefd938b153412a84a18387ce8c3af999203
[INFO] running `Command { std: "docker" "start" "-a" "597a18857c4b463362dad81476cdeefd938b153412a84a18387ce8c3af999203", kill_on_drop: false }`
[INFO] [stderr]    Compiling port-scanner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | /     rayon::join(
[INFO] [stdout] 74 | |         || send_packet(&mut ts,&packet_info),
[INFO] [stdout] 75 | |         || receive_packets(&mut tr, &packet_info)
[INFO] [stdout] 76 | |     );
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | /     rayon::join(
[INFO] [stdout] 74 | |         || send_packet(&mut ts,&packet_info),
[INFO] [stdout] 75 | |         || receive_packets(&mut tr, &packet_info)
[INFO] [stdout] 76 | |     );
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "597a18857c4b463362dad81476cdeefd938b153412a84a18387ce8c3af999203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "597a18857c4b463362dad81476cdeefd938b153412a84a18387ce8c3af999203", kill_on_drop: false }`
[INFO] [stdout] 597a18857c4b463362dad81476cdeefd938b153412a84a18387ce8c3af999203
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a318764aa4a487446c92da5cfff70671642bdacbdd29728b32076e3f89daaa61
[INFO] running `Command { std: "docker" "start" "-a" "a318764aa4a487446c92da5cfff70671642bdacbdd29728b32076e3f89daaa61", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stderr]   --> src/main.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 | /     rayon::join(
[INFO] [stderr] 74 | |         || send_packet(&mut ts,&packet_info),
[INFO] [stderr] 75 | |         || receive_packets(&mut tr, &packet_info)
[INFO] [stderr] 76 | |     );
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stderr]   --> src/main.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 | /     rayon::join(
[INFO] [stderr] 74 | |         || send_packet(&mut ts,&packet_info),
[INFO] [stderr] 75 | |         || receive_packets(&mut tr, &packet_info)
[INFO] [stderr] 76 | |     );
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `port-scanner` (bin "port-scanner" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/port_scanner-5711f00e92e59c86)
[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" "a318764aa4a487446c92da5cfff70671642bdacbdd29728b32076e3f89daaa61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a318764aa4a487446c92da5cfff70671642bdacbdd29728b32076e3f89daaa61", kill_on_drop: false }`
[INFO] [stdout] a318764aa4a487446c92da5cfff70671642bdacbdd29728b32076e3f89daaa61