[INFO] fetching crate wasefire-applet-api 0.9.0...
[INFO] testing wasefire-applet-api-0.9.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate wasefire-applet-api 0.9.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate wasefire-applet-api 0.9.0
[INFO] finished tweaking crates.io crate wasefire-applet-api 0.9.0
[INFO] tweaked toml for crates.io crate wasefire-applet-api 0.9.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasefire-applet-api 0.9.0 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 wasefire-applet-api 0.9.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 640df5e12fac598d5f3317689ae6c5d212be305c0214ee922d9f642bb2b15b8c
[INFO] running `Command { std: "docker" "start" "-a" "640df5e12fac598d5f3317689ae6c5d212be305c0214ee922d9f642bb2b15b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "640df5e12fac598d5f3317689ae6c5d212be305c0214ee922d9f642bb2b15b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "640df5e12fac598d5f3317689ae6c5d212be305c0214ee922d9f642bb2b15b8c", kill_on_drop: false }`
[INFO] [stdout] 640df5e12fac598d5f3317689ae6c5d212be305c0214ee922d9f642bb2b15b8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a7f0aa2578131ffb33b0a20bbd327c7366d41d673624eb44ea4703f6d2dd86d1
[INFO] running `Command { std: "docker" "start" "-a" "a7f0aa2578131ffb33b0a20bbd327c7366d41d673624eb44ea4703f6d2dd86d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling data-encoding v2.10.0
[INFO] [stderr]    Compiling wasefire-one-of v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.17
[INFO] [stderr]    Compiling num_enum_derive v0.7.5
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling data-encoding-macro v0.1.19
[INFO] [stderr]    Compiling wasefire-applet-api-desc v0.2.3
[INFO] [stderr]    Compiling wasefire-applet-api-macro v0.9.0
[INFO] [stderr]    Compiling num_enum v0.7.5
[INFO] [stderr]    Compiling wasefire-error v0.1.4
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling wasefire-applet-api v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: Exactly one of feature "host" or "wasm" can be enabled.
[INFO] [stdout]   --> src/lib.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | exactly_one_of!["host", "wasm"];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::internal_one_of` which comes from the expansion of the macro `exactly_one_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![feature(doc_cfg)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern crate `bytemuck` is unused in crate `wasefire_applet_api`
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![cfg_attr(feature = "host", doc = "Platform-side of the applet API.")]
[INFO] [stdout]    | ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: remove the dependency or add `use bytemuck as _;` to the crate root
[INFO] [stdout]    = note: requested on the command line with `-W unused-crate-dependencies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern crate `wasefire_applet_api_macro` is unused in crate `wasefire_applet_api`
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![cfg_attr(feature = "host", doc = "Platform-side of the applet API.")]
[INFO] [stdout]    | ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: remove the dependency or add `use wasefire_applet_api_macro as _;` to the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasefire-applet-api` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a7f0aa2578131ffb33b0a20bbd327c7366d41d673624eb44ea4703f6d2dd86d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7f0aa2578131ffb33b0a20bbd327c7366d41d673624eb44ea4703f6d2dd86d1", kill_on_drop: false }`
[INFO] [stdout] a7f0aa2578131ffb33b0a20bbd327c7366d41d673624eb44ea4703f6d2dd86d1
