[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] checking modeverv/Rust2020_port_scanner against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodeverv%2FRust2020_port_scanner" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/modeverv/Rust2020_port_scanner on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5494766ad09bdc8db3232eb11841ee69df2c98ccd0049dc97df0fb3b566be390 [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" "5494766ad09bdc8db3232eb11841ee69df2c98ccd0049dc97df0fb3b566be390", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5494766ad09bdc8db3232eb11841ee69df2c98ccd0049dc97df0fb3b566be390", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5494766ad09bdc8db3232eb11841ee69df2c98ccd0049dc97df0fb3b566be390", kill_on_drop: false }` [INFO] [stdout] 5494766ad09bdc8db3232eb11841ee69df2c98ccd0049dc97df0fb3b566be390 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 65fcbdf02d837c44a189263d3c7e5bbf60aa3fe80b51c1f00dd35385e6fde65e [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" "65fcbdf02d837c44a189263d3c7e5bbf60aa3fe80b51c1f00dd35385e6fde65e", kill_on_drop: false }` [INFO] [stderr] Compiling regex-syntax v0.6.14 [INFO] [stderr] Compiling pnet v0.25.0 [INFO] [stderr] Checking pnet_macros_support v0.25.0 [INFO] [stderr] Checking pnet_sys v0.25.0 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking ipnetwork v0.15.1 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Checking backtrace v0.3.43 [INFO] [stderr] Compiling syntex_errors v0.42.0 [INFO] [stderr] Checking regex v1.0.6 [INFO] [stderr] Checking pnet_datalink v0.25.0 [INFO] [stderr] Compiling syntex_syntax v0.42.0 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking failure v0.1.6 [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] Checking pnet_transport v0.25.0 [INFO] [stderr] Checking port-scanner v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `std::result::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 `std::result::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: unused `std::result::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 `std::result::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] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 06s [INFO] running `Command { std: "docker" "inspect" "65fcbdf02d837c44a189263d3c7e5bbf60aa3fe80b51c1f00dd35385e6fde65e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65fcbdf02d837c44a189263d3c7e5bbf60aa3fe80b51c1f00dd35385e6fde65e", kill_on_drop: false }` [INFO] [stdout] 65fcbdf02d837c44a189263d3c7e5bbf60aa3fe80b51c1f00dd35385e6fde65e