[INFO] fetching crate compio-net 0.6.0...
[INFO] checking compio-net-0.6.0 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate compio-net 0.6.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate compio-net 0.6.0 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate compio-net 0.6.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate compio-net 0.6.0
[INFO] tweaked toml for crates.io crate compio-net 0.6.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 67 packages to latest compatible versions
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca99fab542013e1545968a537b07cc35b74de3f025b964b37d9f110568550e20
[INFO] running `Command { std: "docker" "start" "-a" "ca99fab542013e1545968a537b07cc35b74de3f025b964b37d9f110568550e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca99fab542013e1545968a537b07cc35b74de3f025b964b37d9f110568550e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca99fab542013e1545968a537b07cc35b74de3f025b964b37d9f110568550e20", kill_on_drop: false }`
[INFO] [stdout] ca99fab542013e1545968a537b07cc35b74de3f025b964b37d9f110568550e20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1861301c8caf69c770a8a8659810ceff83b96e46947bfd2bdaf8ba802f68625
[INFO] running `Command { std: "docker" "start" "-a" "b1861301c8caf69c770a8a8659810ceff83b96e46947bfd2bdaf8ba802f68625", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking tempfile v3.14.0
[INFO] [stderr]    Compiling compio-driver v0.6.1
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]     Checking compio-buf v0.5.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking compio-log v0.1.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling proc-macro-crate v3.2.0
[INFO] [stderr]    Compiling compio-macros v0.1.2
[INFO] [stderr]     Checking compio-io v0.5.0
[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-0.6.1/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-0.6.1/src/poll/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use polling::{Event, Events, Poller};
[INFO] [stdout]    |     ^^^^^^^ use of undeclared crate or module `polling`
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b1861301c8caf69c770a8a8659810ceff83b96e46947bfd2bdaf8ba802f68625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1861301c8caf69c770a8a8659810ceff83b96e46947bfd2bdaf8ba802f68625", kill_on_drop: false }`
[INFO] [stdout] b1861301c8caf69c770a8a8659810ceff83b96e46947bfd2bdaf8ba802f68625
