[INFO] cloning repository https://github.com/ouyangyipeng/OYOS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ouyangyipeng/OYOS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fouyangyipeng%2FOYOS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fouyangyipeng%2FOYOS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95bcb5d0da747e4e4eab1c00f11f141212fec122
[INFO] testing ouyangyipeng/OYOS against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fouyangyipeng%2FOYOS" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/ouyangyipeng/OYOS
[INFO] finished tweaking git repo https://github.com/ouyangyipeng/OYOS
[INFO] tweaked toml for git repo https://github.com/ouyangyipeng/OYOS written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ouyangyipeng/OYOS on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ouyangyipeng/OYOS 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7f373da1e4049a2ae864cab17ac92a4e0f777ea030259853c7f5588f24c5116
[INFO] running `Command { std: "docker" "start" "-a" "c7f373da1e4049a2ae864cab17ac92a4e0f777ea030259853c7f5588f24c5116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7f373da1e4049a2ae864cab17ac92a4e0f777ea030259853c7f5588f24c5116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7f373da1e4049a2ae864cab17ac92a4e0f777ea030259853c7f5588f24c5116", kill_on_drop: false }`
[INFO] [stdout] c7f373da1e4049a2ae864cab17ac92a4e0f777ea030259853c7f5588f24c5116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94a34da5b6a2ec3d6fca6fe7b11f9ed6a1c3c95815fa34d4dbdc5776a6b40b0d
[INFO] running `Command { std: "docker" "start" "-a" "94a34da5b6a2ec3d6fca6fe7b11f9ed6a1c3c95815fa34d4dbdc5776a6b40b0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling zero v0.1.3
[INFO] [stderr]    Compiling volatile v0.4.6
[INFO] [stderr]    Compiling uguid v2.2.1
[INFO] [stderr]    Compiling x86 v0.52.0
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling raw-cpuid v10.7.0
[INFO] [stderr]    Compiling hex-literal v1.0.0
[INFO] [stderr]    Compiling r-efi v5.2.0
[INFO] [stderr]    Compiling xmas-elf v0.10.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling volatile v0.6.1
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling ucs2 v0.3.3
[INFO] [stderr]    Compiling uefi-raw v0.10.0
[INFO] [stderr]    Compiling spinning_top v0.2.5
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling linked_list_allocator v0.10.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling mu_uefi_runtime_services v2.0.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling x86_64 v0.15.2
[INFO] [stderr]    Compiling syn v2.0.101
[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/x86_64-0.15.2/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] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling embedded-time v0.12.1
[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" "94a34da5b6a2ec3d6fca6fe7b11f9ed6a1c3c95815fa34d4dbdc5776a6b40b0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94a34da5b6a2ec3d6fca6fe7b11f9ed6a1c3c95815fa34d4dbdc5776a6b40b0d", kill_on_drop: false }`
[INFO] [stdout] 94a34da5b6a2ec3d6fca6fe7b11f9ed6a1c3c95815fa34d4dbdc5776a6b40b0d
