[INFO] fetching crate starry-signal 0.5.7...
[INFO] testing starry-signal-0.5.7 against 1.95.0 for beta-1.96-2
[INFO] extracting crate starry-signal 0.5.7 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate starry-signal 0.5.7
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate starry-signal 0.5.7
[INFO] tweaked toml for crates.io crate starry-signal 0.5.7 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate starry-signal 0.5.7 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate starry-signal 0.5.7 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ax-cpu v0.5.5
[INFO] [stderr]   Downloaded ax-crate-interface v0.5.1
[INFO] [stderr]   Downloaded starry-vm v0.5.6
[INFO] [stderr]   Downloaded ax-kernel-guard v0.3.7
[INFO] [stderr]   Downloaded ax-lazyinit v0.4.6
[INFO] [stderr]   Downloaded ax-errno v0.4.7
[INFO] [stderr]   Downloaded ax-memory-addr v0.6.2
[INFO] [stderr]   Downloaded extern-trait v0.4.3
[INFO] [stderr]   Downloaded ax-page-table-multiarch v0.8.2
[INFO] [stderr]   Downloaded riscv-types v0.1.0
[INFO] [stderr]   Downloaded riscv v0.16.0
[INFO] [stderr]   Downloaded aarch64-cpu v11.2.0
[INFO] [stderr]   Downloaded raw-cpuid v10.7.0
[INFO] [stderr]   Downloaded x86_64 v0.15.4
[INFO] [stderr]   Downloaded tock-registers v0.10.1
[INFO] [stderr]   Downloaded ax-kspin v0.3.6
[INFO] [stderr]   Downloaded extern-trait-impl v0.4.3
[INFO] [stderr]   Downloaded ax-percpu-macros v0.4.4
[INFO] [stderr]   Downloaded loongArch64 v0.2.6
[INFO] [stderr]   Downloaded volatile v0.4.6
[INFO] [stderr]   Downloaded ax-page-table-entry v0.8.2
[INFO] [stderr]   Downloaded ax-percpu v0.4.4
[INFO] [stderr]   Downloaded axbacktrace v0.3.8
[INFO] [stderr]   Downloaded riscv-macros v0.4.0
[INFO] [stderr]   Downloaded x86 v0.52.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d276da7706071e559e42cbb8d25aceecf97714ccca4e3bcbc9fe426f9ee1e365
[INFO] running `Command { std: "docker" "start" "-a" "d276da7706071e559e42cbb8d25aceecf97714ccca4e3bcbc9fe426f9ee1e365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d276da7706071e559e42cbb8d25aceecf97714ccca4e3bcbc9fe426f9ee1e365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d276da7706071e559e42cbb8d25aceecf97714ccca4e3bcbc9fe426f9ee1e365", kill_on_drop: false }`
[INFO] [stdout] d276da7706071e559e42cbb8d25aceecf97714ccca4e3bcbc9fe426f9ee1e365
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cc3fd98ae74a2f74c51c9397702cce041e56816b4cb81eaf513eb7b816a26b9
[INFO] running `Command { std: "docker" "start" "-a" "4cc3fd98ae74a2f74c51c9397702cce041e56816b4cb81eaf513eb7b816a26b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.12
[INFO] [stderr]    Compiling bit_field v0.10.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling x86 v0.52.0
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling raw-cpuid v10.7.0
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling ax-errno v0.4.7
[INFO] [stderr]    Compiling ax-percpu v0.4.4
[INFO] [stderr]    Compiling volatile v0.4.6
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling convert_case v0.10.0
[INFO] [stderr]    Compiling extern-trait-impl v0.4.3
[INFO] [stderr]    Compiling ax-percpu-macros v0.4.4
[INFO] [stderr]    Compiling ax-crate-interface v0.5.1
[INFO] [stderr]    Compiling ax-memory-addr v0.6.2
[INFO] [stderr]    Compiling x86_64 v0.15.4
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling ax-kernel-guard v0.3.7
[INFO] [stderr]    Compiling axbacktrace v0.3.8
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling ax-lazyinit v0.4.6
[INFO] [stderr]    Compiling starry-signal v0.5.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling ax-kspin v0.3.6
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling extern-trait v0.4.3
[INFO] [stderr]    Compiling ax-page-table-entry v0.8.2
[INFO] [stderr]    Compiling strum v0.27.2
[INFO] [stderr]    Compiling starry-vm v0.5.6
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/starry-vm-0.5.6/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(maybe_uninit_as_bytes)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `starry-vm` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4cc3fd98ae74a2f74c51c9397702cce041e56816b4cb81eaf513eb7b816a26b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cc3fd98ae74a2f74c51c9397702cce041e56816b4cb81eaf513eb7b816a26b9", kill_on_drop: false }`
[INFO] [stdout] 4cc3fd98ae74a2f74c51c9397702cce041e56816b4cb81eaf513eb7b816a26b9
