[INFO] fetching crate ax-driver 0.5.12...
[INFO] checking ax-driver-0.5.12 against 1.95.0 for pr-155915
[INFO] extracting crate ax-driver 0.5.12 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate ax-driver 0.5.12
[INFO] finished tweaking crates.io crate ax-driver 0.5.12
[INFO] tweaked toml for crates.io crate ax-driver 0.5.12 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ax-driver 0.5.12 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 ax-driver 0.5.12 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 axplat-dyn v0.5.12
[INFO] [stderr]   Downloaded uefi-macros v0.19.0
[INFO] [stderr]   Downloaded somehal-macros v0.1.2
[INFO] [stderr]   Downloaded defmt v0.3.100
[INFO] [stderr]   Downloaded ax-errno v0.4.7
[INFO] [stderr]   Downloaded ax-driver-pci v0.3.6
[INFO] [stderr]   Downloaded ax-driver-vsock v0.3.6
[INFO] [stderr]   Downloaded ansi_rgb v0.2.0
[INFO] [stderr]   Downloaded ax-alloc v0.6.0
[INFO] [stderr]   Downloaded ax-config-gen v0.4.2
[INFO] [stderr]   Downloaded fdt-parser v0.4.19
[INFO] [stderr]   Downloaded bitmap-allocator v0.4.4
[INFO] [stderr]   Downloaded ax_slab_allocator v0.4.0
[INFO] [stderr]   Downloaded axklib v0.5.6
[INFO] [stderr]   Downloaded ax-lazyinit v0.4.6
[INFO] [stderr]   Downloaded mbarrier v0.1.3
[INFO] [stderr]   Downloaded ax-dma v0.5.12
[INFO] [stderr]   Downloaded volatile v0.6.1
[INFO] [stderr]   Downloaded defmt-parser v1.0.0
[INFO] [stderr]   Downloaded ax-hal v0.5.12
[INFO] [stderr]   Downloaded ax-memory-set v0.6.2
[INFO] [stderr]   Downloaded ax-page-table-entry v0.8.2
[INFO] [stderr]   Downloaded ax-driver-block v0.3.6
[INFO] [stderr]   Downloaded safe-mmio v0.3.0
[INFO] [stderr]   Downloaded volatile-macro v0.6.0
[INFO] [stderr]   Downloaded ax-driver-base v0.3.6
[INFO] [stderr]   Downloaded ax-driver-virtio v0.3.6
[INFO] [stderr]   Downloaded gpt_disk_io v0.16.2
[INFO] [stderr]   Downloaded defmt v1.0.1
[INFO] [stderr]   Downloaded const_fn v0.4.12
[INFO] [stderr]   Downloaded defmt-macros v1.0.1
[INFO] [stderr]   Downloaded sbi-spec v0.0.7
[INFO] [stderr]   Downloaded ax-config-macros v0.4.2
[INFO] [stderr]   Downloaded byte-unit v5.2.0
[INFO] [stderr]   Downloaded ax-cpu v0.6.0
[INFO] [stderr]   Downloaded ax-allocator v0.4.4
[INFO] [stderr]   Downloaded virtio-drivers v0.13.0
[INFO] [stderr]   Downloaded buddy-slab-allocator v0.4.0
[INFO] [stderr]   Downloaded x86_64 v0.15.4
[INFO] [stderr]   Downloaded acpi v6.1.1
[INFO] [stderr]   Downloaded ixgbe-driver v0.1.1
[INFO] [stderr]   Downloaded aarch64-cpu v10.0.0
[INFO] [stderr]   Downloaded aml v0.16.4
[INFO] [stderr]   Downloaded page-table-generic v0.7.1
[INFO] [stderr]   Downloaded someboot v0.1.13
[INFO] [stderr]   Downloaded const-str v1.1.0
[INFO] [stderr]   Downloaded uefi v0.36.1
[INFO] [stderr]   Downloaded aarch64-cpu v11.2.0
[INFO] [stderr]   Downloaded gpt_disk_types v0.16.1
[INFO] [stderr]   Downloaded some-serial v0.4.0
[INFO] [stderr]   Downloaded uefi-raw v0.13.0
[INFO] [stderr]   Downloaded bitfield-struct v0.11.0
[INFO] [stderr]   Downloaded smoltcp v0.12.0
[INFO] [stderr]   Downloaded lenient_semver v0.4.2
[INFO] [stderr]   Downloaded simple-sdmmc v0.1.0
[INFO] [stderr]   Downloaded pcie v0.6.0
[INFO] [stderr]   Downloaded tock-registers v0.9.0
[INFO] [stderr]   Downloaded spinning_top v0.2.5
[INFO] [stderr]   Downloaded loongArch64 v0.2.6
[INFO] [stderr]   Downloaded sbi-rt v0.0.3
[INFO] [stderr]   Downloaded bcm2835-sdhci v0.1.1
[INFO] [stderr]   Downloaded simple-ahci v0.1.1-preview.1
[INFO] [stderr]   Downloaded ax-kspin v0.3.7
[INFO] [stderr]   Downloaded ax-percpu v0.4.4
[INFO] [stderr]   Downloaded ax-plat-macros v0.3.1
[INFO] [stderr]   Downloaded ax-plat v0.5.2
[INFO] [stderr]   Downloaded rdrive v0.20.0
[INFO] [stderr]   Downloaded arm-gic-driver v0.17.0
[INFO] [stderr]   Downloaded fdt-raw v0.3.0
[INFO] [stderr]   Downloaded rdif-serial v0.7.0
[INFO] [stderr]   Downloaded ax-crate-interface v0.5.1
[INFO] [stderr]   Downloaded ax-kernel-guard v0.3.8
[INFO] [stderr]   Downloaded ax-percpu-macros v0.4.4
[INFO] [stderr]   Downloaded trait-ffi v0.2.11
[INFO] [stderr]   Downloaded fdt-edit v0.2.3
[INFO] [stderr]   Downloaded num-align v0.1.0
[INFO] [stderr]   Downloaded ranges-ext v0.6.2
[INFO] [stderr]   Downloaded smccc v0.2.2
[INFO] [stderr]   Downloaded rdif-def v0.2.2
[INFO] [stderr]   Downloaded rdif-base v0.8.0
[INFO] [stderr]   Downloaded dma-api v0.7.2
[INFO] [stderr]   Downloaded aarch64-cpu-ext v0.1.4
[INFO] [stderr]   Downloaded pci_types v0.10.1
[INFO] [stderr]   Downloaded lenient_semver_version_builder v0.4.2
[INFO] [stderr]   Downloaded tock-registers v0.10.1
[INFO] [stderr]   Downloaded ax-mm v0.5.12
[INFO] [stderr]   Downloaded volatile v0.4.6
[INFO] [stderr]   Downloaded buddy_system_allocator v0.12.0
[INFO] [stderr]   Downloaded rd-block v0.1.1
[INFO] [stderr]   Downloaded rd-net v0.1.0
[INFO] [stderr]   Downloaded kasm-aarch64 v0.2.0
[INFO] [stderr]   Downloaded rdif-block v0.7.0
[INFO] [stderr]   Downloaded rlsf v0.2.2
[INFO] [stderr]   Downloaded ax-page-table-multiarch v0.8.2
[INFO] [stderr]   Downloaded core_detect v1.0.0
[INFO] [stderr]   Downloaded rdif-pcie v0.2.0
[INFO] [stderr]   Downloaded rdif-eth v0.2.0
[INFO] [stderr]   Downloaded rdif-clk v0.5.0
[INFO] [stderr]   Downloaded rdif-intc v0.14.0
[INFO] [stderr]   Downloaded kernutil v0.2.0
[INFO] [stderr]   Downloaded svgbobdoc v0.3.0
[INFO] [stderr]   Downloaded mmio-api v0.2.1
[INFO] [stderr]   Downloaded ax-driver-input v0.3.6
[INFO] [stderr]   Downloaded somehal v0.6.6
[INFO] [stderr]   Downloaded ax-driver-display v0.3.6
[INFO] [stderr]   Downloaded ax-memory-addr v0.6.2
[INFO] [stderr]   Downloaded axbacktrace v0.3.8
[INFO] [stderr]   Downloaded ax-config v0.5.9
[INFO] [stderr]   Downloaded rdrive-macros v0.4.1
[INFO] [stderr]   Downloaded numeric-enum-macro v0.2.0
[INFO] [stderr]   Downloaded ax-driver-net v0.3.6
[INFO] [stderr]   Downloaded lenient_semver_parser v0.4.2
[INFO] [stderr]   Downloaded x86 v0.52.0
[INFO] [stderr]   Downloaded fxmac_rs v0.4.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 157f8edcb68d68a45f7494c5a5f059d040e2593fc34e6044c367f619f91e371b
[INFO] running `Command { std: "docker" "start" "-a" "157f8edcb68d68a45f7494c5a5f059d040e2593fc34e6044c367f619f91e371b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "157f8edcb68d68a45f7494c5a5f059d040e2593fc34e6044c367f619f91e371b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "157f8edcb68d68a45f7494c5a5f059d040e2593fc34e6044c367f619f91e371b", kill_on_drop: false }`
[INFO] [stdout] 157f8edcb68d68a45f7494c5a5f059d040e2593fc34e6044c367f619f91e371b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 33d2acc53ad0919478936abed63031b24645157fbb78e3057009c15c77c9fd3c
[INFO] running `Command { std: "docker" "start" "-a" "33d2acc53ad0919478936abed63031b24645157fbb78e3057009c15c77c9fd3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling clap_lex v1.1.0
[INFO] [stderr]    Compiling anstream v1.0.0
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]     Checking bit_field v0.10.3
[INFO] [stderr]    Compiling clap_derive v4.6.0
[INFO] [stderr]    Compiling ax-config v0.5.9
[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]     Checking spin v0.10.0
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling ax-percpu v0.4.4
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling ax-percpu-macros v0.4.4
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling ax-crate-interface v0.5.1
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]     Checking ax-memory-addr v0.6.2
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]     Checking ax-kernel-guard v0.3.8
[INFO] [stderr]     Checking x86_64 v0.15.4
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling heapless v0.9.2
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking ax-kspin v0.3.7
[INFO] [stderr]     Checking axbacktrace v0.3.8
[INFO] [stderr]    Compiling enumn v0.1.14
[INFO] [stderr]    Compiling ax-plat-macros v0.3.1
[INFO] [stderr]     Checking ax-lazyinit v0.4.6
[INFO] [stderr]     Checking const-str v1.1.0
[INFO] [stderr]     Checking ax-page-table-entry v0.8.2
[INFO] [stderr]    Compiling ax-driver v0.5.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking fdt-parser v0.4.19
[INFO] [stderr]     Checking ax-driver-base v0.3.6
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking ax-plat v0.5.2
[INFO] [stderr]     Checking ax-cpu v0.6.0
[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/ax-cpu-0.6.0/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(extern_item_impls)]
[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 `ax-cpu` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "33d2acc53ad0919478936abed63031b24645157fbb78e3057009c15c77c9fd3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d2acc53ad0919478936abed63031b24645157fbb78e3057009c15c77c9fd3c", kill_on_drop: false }`
[INFO] [stdout] 33d2acc53ad0919478936abed63031b24645157fbb78e3057009c15c77c9fd3c