[INFO] fetching crate compio-quic 0.5.0...
[INFO] testing compio-quic-0.5.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate compio-quic 0.5.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate compio-quic 0.5.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate compio-quic 0.5.0
[INFO] tweaked toml for crates.io crate compio-quic 0.5.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate compio-quic 0.5.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate compio-quic 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83f964f1c558e0d5e84d550d0c0775c7e453c3bf1369bcddee0bc8d932810b8d
[INFO] running `Command { std: "docker" "start" "-a" "83f964f1c558e0d5e84d550d0c0775c7e453c3bf1369bcddee0bc8d932810b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83f964f1c558e0d5e84d550d0c0775c7e453c3bf1369bcddee0bc8d932810b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83f964f1c558e0d5e84d550d0c0775c7e453c3bf1369bcddee0bc8d932810b8d", kill_on_drop: false }`
[INFO] [stdout] 83f964f1c558e0d5e84d550d0c0775c7e453c3bf1369bcddee0bc8d932810b8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74a66af638f31c10cf13043d6b065f7fb9c505b59cd6527f6a06d2d45aec5d43
[INFO] running `Command { std: "docker" "start" "-a" "74a66af638f31c10cf13043d6b065f7fb9c505b59cd6527f6a06d2d45aec5d43", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.1
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling compio-driver v0.9.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling rustls v0.23.31
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling compio-quic v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling lru-slab v0.1.2
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling cc v1.2.36
[INFO] [stderr]    Compiling compio-buf v0.7.0
[INFO] [stderr]    Compiling compio-log v0.1.0
[INFO] [stderr]    Compiling core_affinity v0.8.3
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling rustls-webpki v0.103.4
[INFO] [stderr]    Compiling compio-io v0.8.0
[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-1949cf8c6b5b557f/compio-driver-0.9.0/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-1949cf8c6b5b557f/compio-driver-0.9.0/src/poll/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use polling::{Event, Events, Poller};
[INFO] [stdout]    |     ^^^^^^^ use of unresolved module or unlinked crate `polling`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `polling`, use `cargo add polling` to add it to your `Cargo.toml`
[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" "74a66af638f31c10cf13043d6b065f7fb9c505b59cd6527f6a06d2d45aec5d43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74a66af638f31c10cf13043d6b065f7fb9c505b59cd6527f6a06d2d45aec5d43", kill_on_drop: false }`
[INFO] [stdout] 74a66af638f31c10cf13043d6b065f7fb9c505b59cd6527f6a06d2d45aec5d43