[INFO] cloning repository https://github.com/kisom/netcheck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kisom/netcheck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkisom%2Fnetcheck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkisom%2Fnetcheck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f60f5344fc658cbc25bca4c9f4dac247904c9806
[INFO] testing kisom/netcheck against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkisom%2Fnetcheck" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kisom/netcheck on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kisom/netcheck
[INFO] finished tweaking git repo https://github.com/kisom/netcheck
[INFO] tweaked toml for git repo https://github.com/kisom/netcheck written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/kisom/netcheck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cf9502ec64fac61943b2867488496af33eca2466e66a97b664862db2f65169f
[INFO] running `Command { std: "docker" "start" "-a" "3cf9502ec64fac61943b2867488496af33eca2466e66a97b664862db2f65169f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cf9502ec64fac61943b2867488496af33eca2466e66a97b664862db2f65169f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cf9502ec64fac61943b2867488496af33eca2466e66a97b664862db2f65169f", kill_on_drop: false }`
[INFO] [stdout] 3cf9502ec64fac61943b2867488496af33eca2466e66a97b664862db2f65169f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb4e223a0af585a3cb886659dbcb86f1b6c9e2d4df85f2d0ac97189bbe9ccbf6
[INFO] running `Command { std: "docker" "start" "-a" "cb4e223a0af585a3cb886659dbcb86f1b6c9e2d4df85f2d0ac97189bbe9ccbf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling netcheck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `lookup_host` in module `std::net`
[INFO] [stdout]   --> src/main.rs:42:25
[INFO] [stdout]    |
[INFO] [stdout] 42 |         match std::net::lookup_host(srv.host) {
[INFO] [stdout]    |                         ^^^^^^^^^^^ not found in `std::net`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(lookup_host)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `lookup_host`
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(lookup_host)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `netcheck` due to 4 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0425, E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cb4e223a0af585a3cb886659dbcb86f1b6c9e2d4df85f2d0ac97189bbe9ccbf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb4e223a0af585a3cb886659dbcb86f1b6c9e2d4df85f2d0ac97189bbe9ccbf6", kill_on_drop: false }`
[INFO] [stdout] cb4e223a0af585a3cb886659dbcb86f1b6c9e2d4df85f2d0ac97189bbe9ccbf6