[INFO] fetching crate ax-driver-virtio 0.4.1...
[INFO] testing ax-driver-virtio-0.4.1 against 1.98.0-beta.1 for beta-1.98-1
[INFO] extracting crate ax-driver-virtio 0.4.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate ax-driver-virtio 0.4.1
[INFO] finished tweaking crates.io crate ax-driver-virtio 0.4.1
[INFO] tweaked toml for crates.io crate ax-driver-virtio 0.4.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ax-driver-virtio 0.4.1 on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ax-driver-virtio 0.4.1 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" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 744304e10a129fe93d7c90475a7523008a193d29e222541d7ffdfe7fdeebc87f
[INFO] running `Command { std: "docker" "start" "744304e10a129fe93d7c90475a7523008a193d29e222541d7ffdfe7fdeebc87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "744304e10a129fe93d7c90475a7523008a193d29e222541d7ffdfe7fdeebc87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "744304e10a129fe93d7c90475a7523008a193d29e222541d7ffdfe7fdeebc87f" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "744304e10a129fe93d7c90475a7523008a193d29e222541d7ffdfe7fdeebc87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "744304e10a129fe93d7c90475a7523008a193d29e222541d7ffdfe7fdeebc87f" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling enumn v0.1.14
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling ax-driver-base v0.3.12
[INFO] [stderr]    Compiling safe-mmio v0.3.0
[INFO] [stderr]    Compiling virtio-drivers v0.13.0
[INFO] [stderr]    Compiling ax-driver-virtio v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.45s
[INFO] running `Command { std: "docker" "inspect" "744304e10a129fe93d7c90475a7523008a193d29e222541d7ffdfe7fdeebc87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "744304e10a129fe93d7c90475a7523008a193d29e222541d7ffdfe7fdeebc87f" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling ax-driver-virtio v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "744304e10a129fe93d7c90475a7523008a193d29e222541d7ffdfe7fdeebc87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "744304e10a129fe93d7c90475a7523008a193d29e222541d7ffdfe7fdeebc87f" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ax_driver_virtio-d9a3ccb450ade229)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::as_dev_err_maps_common_errors ... ok
[INFO] [stdout] test tests::as_dev_type_maps_supported_devices ... ok
[INFO] [stdout] test tests::probe_mmio_device_returns_none_for_null_base ... ok
[INFO] [stdout] test tests::as_dev_type_rejects_unsupported_devices ... ok
[INFO] [stdout] test tests::as_dev_err_maps_socket_errors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ax_driver_virtio
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> src/lib.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 | #![cfg_attr(doc, feature(doc_cfg))]
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 1 previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.98.0-beta.1-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2024 --crate-type lib --color auto --crate-name ax_driver_virtio --test src/lib.rs --test-run-directory /opt/rustwide/workdir --extern ax_driver_base=/opt/rustwide/target/debug/deps/libax_driver_base-434743f66a7ec57b.rlib --extern ax_driver_virtio=/opt/rustwide/target/debug/deps/libax_driver_virtio-4c34b237451b424f.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-f16ce4b64309590f.rlib --extern virtio_drivers=/opt/rustwide/target/debug/deps/libvirtio_drivers-0dcfb74e25af7df5.rlib -L dependency=/opt/rustwide/target/debug/deps -C embed-bitcode=no --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "ax-driver-block", "ax-driver-display", "ax-driver-input", "ax-driver-net", "ax-driver-vsock", "block", "gpu", "input", "net", "socket"))' --cap-lints=warn --error-format human` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --no-capture to the harness.
[INFO] running `Command { std: "docker" "inspect" "744304e10a129fe93d7c90475a7523008a193d29e222541d7ffdfe7fdeebc87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "744304e10a129fe93d7c90475a7523008a193d29e222541d7ffdfe7fdeebc87f", kill_on_drop: false }`
[INFO] [stdout] 744304e10a129fe93d7c90475a7523008a193d29e222541d7ffdfe7fdeebc87f
