[INFO] cloning repository https://github.com/alexvmvm/killport
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexvmvm/killport" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexvmvm%2Fkillport", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexvmvm%2Fkillport'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd99e8581ef97597bb6714e97bcc94b62bbf76ae
[INFO] testing alexvmvm/killport against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexvmvm%2Fkillport" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexvmvm/killport on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexvmvm/killport
[INFO] finished tweaking git repo https://github.com/alexvmvm/killport
[INFO] tweaked toml for git repo https://github.com/alexvmvm/killport written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/alexvmvm/killport already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded netstat v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c7a05d0721ed3dfa664f4cb317298b1d3402ef3e88b6622a1f7f81173996e9a
[INFO] running `Command { std: "docker" "start" "-a" "2c7a05d0721ed3dfa664f4cb317298b1d3402ef3e88b6622a1f7f81173996e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c7a05d0721ed3dfa664f4cb317298b1d3402ef3e88b6622a1f7f81173996e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c7a05d0721ed3dfa664f4cb317298b1d3402ef3e88b6622a1f7f81173996e9a", kill_on_drop: false }`
[INFO] [stdout] 2c7a05d0721ed3dfa664f4cb317298b1d3402ef3e88b6622a1f7f81173996e9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58971ccefec7b776093cf5304fe2f1f05578ed949ac23de4e112bf5470ba453e
[INFO] running `Command { std: "docker" "start" "-a" "58971ccefec7b776093cf5304fe2f1f05578ed949ac23de4e112bf5470ba453e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling sysinfo v0.9.1
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling netstat v0.7.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling killport v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:35:30
[INFO] [stdout]    |
[INFO] [stdout] 35 |     match system.get_process(pid) {
[INFO] [stdout]    |                              ^^^ expected `i32`, found `usize`
[INFO] [stdout]    |
[INFO] [stdout] help: you can convert a `usize` to an `i32` and panic if the converted value doesn't fit
[INFO] [stdout]    |
[INFO] [stdout] 35 |     match system.get_process(pid.try_into().unwrap()) {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `killport` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "58971ccefec7b776093cf5304fe2f1f05578ed949ac23de4e112bf5470ba453e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58971ccefec7b776093cf5304fe2f1f05578ed949ac23de4e112bf5470ba453e", kill_on_drop: false }`
[INFO] [stdout] 58971ccefec7b776093cf5304fe2f1f05578ed949ac23de4e112bf5470ba453e