[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] checking kisom/netcheck against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkisom%2Fnetcheck" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kisom/netcheck on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", 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-10/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b183983a8f0b6de6835c368dcc51c1b964b393ad7356fbd4addafb116bd9ecfd
[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" "b183983a8f0b6de6835c368dcc51c1b964b393ad7356fbd4addafb116bd9ecfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b183983a8f0b6de6835c368dcc51c1b964b393ad7356fbd4addafb116bd9ecfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b183983a8f0b6de6835c368dcc51c1b964b393ad7356fbd4addafb116bd9ecfd", kill_on_drop: false }`
[INFO] [stdout] b183983a8f0b6de6835c368dcc51c1b964b393ad7356fbd4addafb116bd9ecfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5327044e6405ca225442f947195d9251a85c3b90f3f94f8d93d765a307a7fbd2
[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" "5327044e6405ca225442f947195d9251a85c3b90f3f94f8d93d765a307a7fbd2", kill_on_drop: false }`
[INFO] [stderr]     Checking 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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `netcheck`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5327044e6405ca225442f947195d9251a85c3b90f3f94f8d93d765a307a7fbd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5327044e6405ca225442f947195d9251a85c3b90f3f94f8d93d765a307a7fbd2", kill_on_drop: false }`
[INFO] [stdout] 5327044e6405ca225442f947195d9251a85c3b90f3f94f8d93d765a307a7fbd2