[INFO] fetching crate xdevs-no-std 0.3.0...
[INFO] testing xdevs-no-std-0.3.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate xdevs-no-std 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate xdevs-no-std 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate xdevs-no-std 0.3.0
[INFO] tweaked toml for crates.io crate xdevs-no-std 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xdevs-no-std 0.3.0 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 xdevs-no-std 0.3.0 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2d62d36c1312c130933d18b635cc716de75fc3f395a0ef67cb06c49e02867fcc
[INFO] running `Command { std: "docker" "start" "-a" "2d62d36c1312c130933d18b635cc716de75fc3f395a0ef67cb06c49e02867fcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d62d36c1312c130933d18b635cc716de75fc3f395a0ef67cb06c49e02867fcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d62d36c1312c130933d18b635cc716de75fc3f395a0ef67cb06c49e02867fcc", kill_on_drop: false }`
[INFO] [stdout] 2d62d36c1312c130933d18b635cc716de75fc3f395a0ef67cb06c49e02867fcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b02a34869e63966c1a2e60cdc4c3e848b1c71e307fc4be2e18ae31cceeab8cf0
[INFO] running `Command { std: "docker" "start" "-a" "b02a34869e63966c1a2e60cdc4c3e848b1c71e307fc4be2e18ae31cceeab8cf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling heapless v0.9.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling xdevs-no-std-macros v0.2.0
[INFO] [stderr]    Compiling xdevs-no-std v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.65s
[INFO] running `Command { std: "docker" "inspect" "b02a34869e63966c1a2e60cdc4c3e848b1c71e307fc4be2e18ae31cceeab8cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b02a34869e63966c1a2e60cdc4c3e848b1c71e307fc4be2e18ae31cceeab8cf0", kill_on_drop: false }`
[INFO] [stdout] b02a34869e63966c1a2e60cdc4c3e848b1c71e307fc4be2e18ae31cceeab8cf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] dde22da9d16e5df067ea744796071bc5b965fa5507e8174e30a026a373525e64
[INFO] running `Command { std: "docker" "start" "-a" "dde22da9d16e5df067ea744796071bc5b965fa5507e8174e30a026a373525e64", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling xdevs-no-std v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `xdevs::simulator::std`
[INFO] [stdout]  --> examples/gpt_async.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use xdevs::simulator::{std::SleepAsync, Config, Simulator};
[INFO] [stdout]   |                        ^^^ could not find `std` in `simulator`
[INFO] [stdout]   |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]  --> src/simulator.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(feature = "std")]
[INFO] [stdout]   |       --------------- the item is gated behind the `std` feature
[INFO] [stdout] 5 | pub mod std;
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `std` in `simulator`
[INFO] [stdout]    --> examples/gpt.rs:246:54
[INFO] [stdout]     |
[INFO] [stdout] 246 |     simulator.simulate_rt(&config, xdevs::simulator::std::sleep(&config), |_| {});
[INFO] [stdout]     |                                                      ^^^ could not find `std` in `simulator`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/simulator.rs:5:9
[INFO] [stdout]     |
[INFO] [stdout]   4 | #[cfg(feature = "std")]
[INFO] [stdout]     |       --------------- the item is gated behind the `std` feature
[INFO] [stdout]   5 | pub mod std;
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xdevs-no-std` (example "gpt") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xdevs-no-std` (example "gpt_async") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "dde22da9d16e5df067ea744796071bc5b965fa5507e8174e30a026a373525e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dde22da9d16e5df067ea744796071bc5b965fa5507e8174e30a026a373525e64", kill_on_drop: false }`
[INFO] [stdout] dde22da9d16e5df067ea744796071bc5b965fa5507e8174e30a026a373525e64
