[INFO] fetching crate wasefire-scheduler 0.5.0...
[INFO] testing wasefire-scheduler-0.5.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate wasefire-scheduler 0.5.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate wasefire-scheduler 0.5.0
[INFO] finished tweaking crates.io crate wasefire-scheduler 0.5.0
[INFO] tweaked toml for crates.io crate wasefire-scheduler 0.5.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasefire-scheduler 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 wasefire-scheduler 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 59b1b9331578572edb3d883e2ac8c12e812433acd0dd483276070beaad839346
[INFO] running `Command { std: "docker" "start" "-a" "59b1b9331578572edb3d883e2ac8c12e812433acd0dd483276070beaad839346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59b1b9331578572edb3d883e2ac8c12e812433acd0dd483276070beaad839346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59b1b9331578572edb3d883e2ac8c12e812433acd0dd483276070beaad839346", kill_on_drop: false }`
[INFO] [stdout] 59b1b9331578572edb3d883e2ac8c12e812433acd0dd483276070beaad839346
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e5c97dff1bb1aa30c6cc7a938085c1ea4274d37c5a1269a54e766de01ed18a7e
[INFO] running `Command { std: "docker" "start" "-a" "e5c97dff1bb1aa30c6cc7a938085c1ea4274d37c5a1269a54e766de01ed18a7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling wasefire-scheduler v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling wasefire-logger v0.2.0
[INFO] [stderr]    Compiling wasefire-one-of v0.1.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling usb-device v0.3.2
[INFO] [stderr]    Compiling wasefire-sync v0.1.2
[INFO] [stderr]    Compiling num_enum_derive v0.7.4
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.16
[INFO] [stderr]    Compiling wasefire-wire-derive v0.1.2
[INFO] [stderr]    Compiling bytemuck_derive v1.10.1
[INFO] [stderr]    Compiling derive-where v1.6.0
[INFO] [stderr]    Compiling sealed v0.6.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/derive-where-1.6.0/src/lib.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     feature(allow_internal_unstable),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling data-encoding-macro v0.1.18
[INFO] [stderr]    Compiling wasefire-applet-api-desc v0.2.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `derive-where` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e5c97dff1bb1aa30c6cc7a938085c1ea4274d37c5a1269a54e766de01ed18a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c97dff1bb1aa30c6cc7a938085c1ea4274d37c5a1269a54e766de01ed18a7e", kill_on_drop: false }`
[INFO] [stdout] e5c97dff1bb1aa30c6cc7a938085c1ea4274d37c5a1269a54e766de01ed18a7e