[INFO] fetching crate rdrive 0.20.0...
[INFO] testing rdrive-0.20.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rdrive 0.20.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rdrive 0.20.0
[INFO] finished tweaking crates.io crate rdrive 0.20.0
[INFO] tweaked toml for crates.io crate rdrive 0.20.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rdrive 0.20.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rdrive 0.20.0 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa99df4adc8311676edde16628b2a15392d8f8c748a69e34c2ef825e4daf2da6
[INFO] running `Command { std: "docker" "start" "-a" "fa99df4adc8311676edde16628b2a15392d8f8c748a69e34c2ef825e4daf2da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa99df4adc8311676edde16628b2a15392d8f8c748a69e34c2ef825e4daf2da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa99df4adc8311676edde16628b2a15392d8f8c748a69e34c2ef825e4daf2da6", kill_on_drop: false }`
[INFO] [stdout] fa99df4adc8311676edde16628b2a15392d8f8c748a69e34c2ef825e4daf2da6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca2a41e0ff002226e4cdc39dd34b12d761e692e66f7645292ce213c2d4ddf1b6
[INFO] running `Command { std: "docker" "start" "-a" "ca2a41e0ff002226e4cdc39dd34b12d761e692e66f7645292ce213c2d4ddf1b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling heapless v0.9.2
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling as-any v0.3.2
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling pci_types v0.10.1
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling convert_case v0.10.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling enum_dispatch v0.3.13
[INFO] [stderr]    Compiling rdrive-macros v0.4.1
[INFO] [stderr]    Compiling rdif-def v0.2.0
[INFO] [stderr]    Compiling fdt-raw v0.3.0
[INFO] [stderr]    Compiling rdif-base v0.8.0
[INFO] [stderr]    Compiling rdif-pcie v0.2.0
[INFO] [stderr]    Compiling fdt-edit v0.2.3
[INFO] [stderr]    Compiling derive_more v2.1.1
[INFO] [stderr]    Compiling mmio-api v0.2.0
[INFO] [stderr]    Compiling pcie v0.6.0
[INFO] [stderr]    Compiling rdrive v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.45s
[INFO] running `Command { std: "docker" "inspect" "ca2a41e0ff002226e4cdc39dd34b12d761e692e66f7645292ce213c2d4ddf1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca2a41e0ff002226e4cdc39dd34b12d761e692e66f7645292ce213c2d4ddf1b6", kill_on_drop: false }`
[INFO] [stdout] ca2a41e0ff002226e4cdc39dd34b12d761e692e66f7645292ce213c2d4ddf1b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bd745128fe713177aae3510d140ab719a0d2d9969583da4ab5bd21559a5be6e
[INFO] running `Command { std: "docker" "start" "-a" "0bd745128fe713177aae3510d140ab719a0d2d9969583da4ab5bd21559a5be6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rdif-intc v0.14.0
[INFO] [stderr]    Compiling rdif-clk v0.5.0
[INFO] [stderr]    Compiling rdrive v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "0bd745128fe713177aae3510d140ab719a0d2d9969583da4ab5bd21559a5be6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bd745128fe713177aae3510d140ab719a0d2d9969583da4ab5bd21559a5be6e", kill_on_drop: false }`
[INFO] [stdout] 0bd745128fe713177aae3510d140ab719a0d2d9969583da4ab5bd21559a5be6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5abb2711b898a1b3eb06753ef1e64c052a87d3c717565209e2ad4188ebcfa13c
[INFO] running `Command { std: "docker" "start" "-a" "5abb2711b898a1b3eb06753ef1e64c052a87d3c717565209e2ad4188ebcfa13c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rdrive-14db395ae75d6c70)
[INFO] [stderr]    Doc-tests rdrive
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test manager::tests::test_device_downcast ... ok
[INFO] [stdout] test manager::tests::test_device_container ... ok
[INFO] [stdout] test manager::tests::test_get_one ... ok
[INFO] [stdout] test manager::tests::test_devices ... ok
[INFO] [stdout] test manager::tests::test_inner_type ... ok
[INFO] [stdout] test manager::tests::test_locked_device ... ok
[INFO] [stdout] test manager::tests::test_not_found ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - module_driver (line 175) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - module_driver (line 175) stdout ----
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:174:1
[INFO] [stdout]     |
[INFO] [stdout] 174 | #![feature(used_with_arg)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - module_driver (line 175)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "5abb2711b898a1b3eb06753ef1e64c052a87d3c717565209e2ad4188ebcfa13c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5abb2711b898a1b3eb06753ef1e64c052a87d3c717565209e2ad4188ebcfa13c", kill_on_drop: false }`
[INFO] [stdout] 5abb2711b898a1b3eb06753ef1e64c052a87d3c717565209e2ad4188ebcfa13c
