[INFO] cloning repository https://github.com/mark-i-m/utcs-lab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mark-i-m/utcs-lab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmark-i-m%2Futcs-lab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmark-i-m%2Futcs-lab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5082f6a23eebae794e7c394e6df277f4e6bc4eeb
[INFO] testing mark-i-m/utcs-lab against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmark-i-m%2Futcs-lab" "/workspace/builds/worker-55/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mark-i-m/utcs-lab on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mark-i-m/utcs-lab
[INFO] finished tweaking git repo https://github.com/mark-i-m/utcs-lab
[INFO] tweaked toml for git repo https://github.com/mark-i-m/utcs-lab written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate git repo https://github.com/mark-i-m/utcs-lab already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 237ef98c05144d8076468c732365253e461151b51b2d659f58380a5f7867f4fc
[INFO] running `Command { std: "docker" "start" "-a" "237ef98c05144d8076468c732365253e461151b51b2d659f58380a5f7867f4fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "237ef98c05144d8076468c732365253e461151b51b2d659f58380a5f7867f4fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "237ef98c05144d8076468c732365253e461151b51b2d659f58380a5f7867f4fc", kill_on_drop: false }`
[INFO] [stdout] 237ef98c05144d8076468c732365253e461151b51b2d659f58380a5f7867f4fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0681f35a873fbd44dc4dd1bd14a28287ffda0c70340903b2bdfab4eba675639d
[INFO] running `Command { std: "docker" "start" "-a" "0681f35a873fbd44dc4dd1bd14a28287ffda0c70340903b2bdfab4eba675639d", 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] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling libc v0.2.11
[INFO] [stderr]    Compiling winapi v0.2.6
[INFO] [stderr]    Compiling regex-syntax v0.3.1
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling aho-corasick v0.5.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.5
[INFO] [stderr]    Compiling regex v0.1.69
[INFO] [stderr]    Compiling utcs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::net::lookup_host`
[INFO] [stdout]   --> src/main.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::net::{TcpStream, lookup_host, SocketAddrV4, IpAddr};
[INFO] [stdout]    |                           ^^^^^^^^^^^ no `lookup_host` in `net`
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `utcs` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0681f35a873fbd44dc4dd1bd14a28287ffda0c70340903b2bdfab4eba675639d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0681f35a873fbd44dc4dd1bd14a28287ffda0c70340903b2bdfab4eba675639d", kill_on_drop: false }`
[INFO] [stdout] 0681f35a873fbd44dc4dd1bd14a28287ffda0c70340903b2bdfab4eba675639d