[INFO] fetching crate compio-net 0.2.0-beta.1...
[INFO] testing compio-net-0.2.0-beta.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate compio-net 0.2.0-beta.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate compio-net 0.2.0-beta.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate compio-net 0.2.0-beta.1
[INFO] finished tweaking crates.io crate compio-net 0.2.0-beta.1
[INFO] tweaked toml for crates.io crate compio-net 0.2.0-beta.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded compio-runtime v0.2.0-beta.3
[INFO] [stderr]   Downloaded compio-driver v0.2.0-beta.3
[INFO] [stderr]   Downloaded compio-log v0.1.0-beta.1
[INFO] [stderr]   Downloaded compio-buf v0.2.0-beta.1
[INFO] [stderr]   Downloaded compio-macros v0.1.1-beta.1
[INFO] [stderr]   Downloaded compio-io v0.1.0-beta.2
[INFO] [stderr]   Downloaded os_pipe v1.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15c238444dd8e9b3e81499ffe4b33cd5b868fe41667b4b1db127c00159b2a1eb
[INFO] running `Command { std: "docker" "start" "-a" "15c238444dd8e9b3e81499ffe4b33cd5b868fe41667b4b1db127c00159b2a1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15c238444dd8e9b3e81499ffe4b33cd5b868fe41667b4b1db127c00159b2a1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15c238444dd8e9b3e81499ffe4b33cd5b868fe41667b4b1db127c00159b2a1eb", kill_on_drop: false }`
[INFO] [stdout] 15c238444dd8e9b3e81499ffe4b33cd5b868fe41667b4b1db127c00159b2a1eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bc5ed9503c090446f616ce518eed35debdc5ac86bad642ef0214bdfbbfc59f6
[INFO] running `Command { std: "docker" "start" "-a" "4bc5ed9503c090446f616ce518eed35debdc5ac86bad642ef0214bdfbbfc59f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling compio-buf v0.2.0-beta.1
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling compio-log v0.1.0-beta.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.10
[INFO] [stderr]    Compiling crossbeam-channel v0.5.10
[INFO] [stderr]    Compiling compio-driver v0.2.0-beta.3
[INFO] [stdout] error: You must choose at least one of these features: ["io-uring", "polling"]
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/compio-driver-0.2.0-beta.3/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | compile_error!("You must choose at least one of these features: [\"io-uring\", \"polling\"]");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `polling`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/compio-driver-0.2.0-beta.3/src/poll/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use polling::{Event, Events, Poller};
[INFO] [stdout]    |     ^^^^^^^ use of undeclared crate or module `polling`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `polling`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/compio-driver-0.2.0-beta.3/src/poll/op.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use polling::Event;
[INFO] [stdout]    |     ^^^^^^^ use of undeclared crate or module `polling`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compio-driver` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4bc5ed9503c090446f616ce518eed35debdc5ac86bad642ef0214bdfbbfc59f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc5ed9503c090446f616ce518eed35debdc5ac86bad642ef0214bdfbbfc59f6", kill_on_drop: false }`
[INFO] [stdout] 4bc5ed9503c090446f616ce518eed35debdc5ac86bad642ef0214bdfbbfc59f6
