[INFO] fetching crate ax-mm 0.5.12...
[INFO] checking ax-mm-0.5.12 against 1.95.0 for pr-155915
[INFO] extracting crate ax-mm 0.5.12 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate ax-mm 0.5.12
[INFO] finished tweaking crates.io crate ax-mm 0.5.12
[INFO] tweaked toml for crates.io crate ax-mm 0.5.12 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ax-mm 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-mm 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 ax-page-table-multiarch v0.8.2
[INFO] [stderr]   Downloaded riscv-types v0.1.0
[INFO] [stderr]   Downloaded ax-page-table-entry v0.8.2
[INFO] [stderr]   Downloaded volatile v0.4.6
[INFO] [stderr]   Downloaded riscv v0.16.0
[INFO] [stderr]   Downloaded ax-config v0.5.9
[INFO] [stderr]   Downloaded bitmaps v3.2.1
[INFO] [stderr]   Downloaded riscv-macros v0.4.0
[INFO] [stderr]   Downloaded ax-kernel-guard v0.3.8
[INFO] [stderr]   Downloaded ax-lazyinit v0.4.6
[INFO] [stderr]   Downloaded bitmap-allocator v0.4.4
[INFO] [stderr]   Downloaded ax-errno v0.4.7
[INFO] [stderr]   Downloaded ax-percpu-macros v0.4.4
[INFO] [stderr]   Downloaded ax-plat-macros v0.3.1
[INFO] [stderr]   Downloaded const-str v1.1.0
[INFO] [stderr]   Downloaded svgbobdoc v0.3.0
[INFO] [stderr]   Downloaded ax-crate-interface v0.5.1
[INFO] [stderr]   Downloaded const_fn v0.4.12
[INFO] [stderr]   Downloaded axbacktrace v0.3.8
[INFO] [stderr]   Downloaded ax-alloc v0.6.0
[INFO] [stderr]   Downloaded ax-kspin v0.3.7
[INFO] [stderr]   Downloaded ax-config-macros v0.4.2
[INFO] [stderr]   Downloaded loongArch64 v0.2.6
[INFO] [stderr]   Downloaded rlsf v0.2.2
[INFO] [stderr]   Downloaded ax-cpu v0.6.0
[INFO] [stderr]   Downloaded aarch64-cpu v11.2.0
[INFO] [stderr]   Downloaded ax-allocator v0.4.4
[INFO] [stderr]   Downloaded ax-config-gen v0.4.2
[INFO] [stderr]   Downloaded tock-registers v0.10.1
[INFO] [stderr]   Downloaded ax-plat v0.5.2
[INFO] [stderr]   Downloaded fdt-parser v0.4.19
[INFO] [stderr]   Downloaded ax-hal v0.5.12
[INFO] [stderr]   Downloaded ax-percpu v0.4.4
[INFO] [stderr]   Downloaded ax-memory-set v0.6.2
[INFO] [stderr]   Downloaded x86_64 v0.15.4
[INFO] [stderr]   Downloaded ax-memory-addr v0.6.2
[INFO] [stderr]   Downloaded x86 v0.52.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6df7a5be691785a9dcd64ab7366988728afc6b94226185a3553fa35b42fdd78b
[INFO] running `Command { std: "docker" "start" "-a" "6df7a5be691785a9dcd64ab7366988728afc6b94226185a3553fa35b42fdd78b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6df7a5be691785a9dcd64ab7366988728afc6b94226185a3553fa35b42fdd78b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6df7a5be691785a9dcd64ab7366988728afc6b94226185a3553fa35b42fdd78b", kill_on_drop: false }`
[INFO] [stdout] 6df7a5be691785a9dcd64ab7366988728afc6b94226185a3553fa35b42fdd78b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f30cd555a64b736ba09da722011303c985b81f267e3f196583872ac5bdcc77ba
[INFO] running `Command { std: "docker" "start" "-a" "f30cd555a64b736ba09da722011303c985b81f267e3f196583872ac5bdcc77ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling colorchoice v1.0.5
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling anstyle-query v1.1.5
[INFO] [stderr]    Compiling clap_lex v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]     Checking ax-memory-addr v0.6.2
[INFO] [stderr]    Compiling const_fn v0.4.12
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling x86 v0.52.0
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]    Compiling ax-config v0.5.9
[INFO] [stderr]    Compiling anstyle-parse v1.0.0
[INFO] [stderr]    Compiling ax-errno v0.4.7
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]     Checking bitflags v2.11.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking spin v0.10.0
[INFO] [stderr]    Compiling ax-percpu v0.4.4
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]     Checking const-default v1.0.0
[INFO] [stderr]     Checking bitmap-allocator v0.4.4
[INFO] [stderr]    Compiling anstream v1.0.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling heapless v0.9.2
[INFO] [stderr]     Checking ax-lazyinit v0.4.6
[INFO] [stderr]     Checking const-str v1.1.0
[INFO] [stderr]     Checking fdt-parser v0.4.19
[INFO] [stderr]     Checking axbacktrace v0.3.8
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]     Checking x86_64 v0.15.4
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]     Checking ax-page-table-entry v0.8.2
[INFO] [stderr]    Compiling svgbobdoc v0.3.0
[INFO] [stderr]    Compiling clap_derive v4.6.0
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling ax-crate-interface v0.5.1
[INFO] [stderr]    Compiling ax-percpu-macros v0.4.4
[INFO] [stderr]    Compiling ax-plat-macros v0.3.1
[INFO] [stderr]     Checking rlsf v0.2.2
[INFO] [stderr]     Checking ax-allocator v0.4.4
[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] [stderr]     Checking ax-kernel-guard v0.3.8
[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" "f30cd555a64b736ba09da722011303c985b81f267e3f196583872ac5bdcc77ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f30cd555a64b736ba09da722011303c985b81f267e3f196583872ac5bdcc77ba", kill_on_drop: false }`
[INFO] [stdout] f30cd555a64b736ba09da722011303c985b81f267e3f196583872ac5bdcc77ba