[INFO] fetching crate axplat-x86-qemu-q35 0.4.5...
[INFO] checking axplat-x86-qemu-q35-0.4.5 against 1.95.0 for pr-155915
[INFO] extracting crate axplat-x86-qemu-q35 0.4.5 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate axplat-x86-qemu-q35 0.4.5
[INFO] finished tweaking crates.io crate axplat-x86-qemu-q35 0.4.5
[INFO] tweaked toml for crates.io crate axplat-x86-qemu-q35 0.4.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate axplat-x86-qemu-q35 0.4.5 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 axplat-x86-qemu-q35 0.4.5 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded loongArch64 v0.2.6
[INFO] [stderr]   Downloaded ax-crate-interface v0.5.1
[INFO] [stderr]   Downloaded x86_rtc v0.1.1
[INFO] [stderr]   Downloaded ax-kspin v0.3.7
[INFO] [stderr]   Downloaded ax-memory-addr v0.6.2
[INFO] [stderr]   Downloaded ax-percpu-macros v0.4.4
[INFO] [stderr]   Downloaded ax-plat-macros v0.3.1
[INFO] [stderr]   Downloaded ax-page-table-multiarch v0.8.2
[INFO] [stderr]   Downloaded ax-config-macros v0.4.2
[INFO] [stderr]   Downloaded ax-page-table-entry v0.8.2
[INFO] [stderr]   Downloaded ax-handler-table v0.3.6
[INFO] [stderr]   Downloaded ax-config-gen v0.4.2
[INFO] [stderr]   Downloaded axbacktrace v0.3.8
[INFO] [stderr]   Downloaded ax-cpu v0.6.0
[INFO] [stderr]   Downloaded ax-lazyinit v0.4.6
[INFO] [stderr]   Downloaded ax-kernel-guard v0.3.8
[INFO] [stderr]   Downloaded ax-plat v0.5.2
[INFO] [stderr]   Downloaded ax-percpu v0.4.4
[INFO] [stderr]   Downloaded ax-int-ratio v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 204cb487465b5821ae61bfb0da7797dbc14c4ee1bc3796cfd1431a2ab8eade6e
[INFO] running `Command { std: "docker" "start" "-a" "204cb487465b5821ae61bfb0da7797dbc14c4ee1bc3796cfd1431a2ab8eade6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "204cb487465b5821ae61bfb0da7797dbc14c4ee1bc3796cfd1431a2ab8eade6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "204cb487465b5821ae61bfb0da7797dbc14c4ee1bc3796cfd1431a2ab8eade6e", kill_on_drop: false }`
[INFO] [stdout] 204cb487465b5821ae61bfb0da7797dbc14c4ee1bc3796cfd1431a2ab8eade6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8034bd8b7ca28949a3b4dc9c6c6ac4806bdf43c96c5c9446ef2b9132b887e8f4
[INFO] running `Command { std: "docker" "start" "-a" "8034bd8b7ca28949a3b4dc9c6c6ac4806bdf43c96c5c9446ef2b9132b887e8f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.12
[INFO] [stderr]    Compiling x86 v0.52.0
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]    Compiling ax-percpu v0.4.4
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]     Checking spin v0.10.0
[INFO] [stderr]     Checking ax-memory-addr v0.6.2
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling heapless v0.9.2
[INFO] [stderr]     Checking const-str v1.1.0
[INFO] [stderr]     Checking ax-lazyinit v0.4.6
[INFO] [stderr]     Checking ax-handler-table v0.3.6
[INFO] [stderr]    Compiling axplat-x86-qemu-q35 v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bit v0.1.1
[INFO] [stderr]     Checking multiboot v0.8.0
[INFO] [stderr]     Checking raw-cpuid v11.6.0
[INFO] [stderr]     Checking ax-int-ratio v0.3.6
[INFO] [stderr]     Checking axbacktrace v0.3.8
[INFO] [stderr]     Checking x86_64 v0.15.4
[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/x86_64-0.15.4/src/lib.rs:5:44
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(feature = "abi_x86_interrupt", feature(abi_x86_interrupt))]
[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 `x86_64` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8034bd8b7ca28949a3b4dc9c6c6ac4806bdf43c96c5c9446ef2b9132b887e8f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8034bd8b7ca28949a3b4dc9c6c6ac4806bdf43c96c5c9446ef2b9132b887e8f4", kill_on_drop: false }`
[INFO] [stdout] 8034bd8b7ca28949a3b4dc9c6c6ac4806bdf43c96c5c9446ef2b9132b887e8f4