[INFO] fetching crate ruspiro-boot 0.5.4...
[INFO] documenting ruspiro-boot-0.5.4 against beta-2023-07-23 for beta-1.72-rustdoc-1
[INFO] extracting crate ruspiro-boot 0.5.4 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate ruspiro-boot 0.5.4 on toolchain beta-2023-07-23
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-07-23" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate ruspiro-boot 0.5.4
[INFO] finished tweaking crates.io crate ruspiro-boot 0.5.4
[INFO] tweaked toml for crates.io crate ruspiro-boot 0.5.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-07-23" "generate-lockfile" "--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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-07-23" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-07-23" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a75ef934b0069f6348c1f712139e08c5f99c6d743e0f4fec4b577d8c3ca05c4e
[INFO] running `Command { std: "docker" "start" "-a" "a75ef934b0069f6348c1f712139e08c5f99c6d743e0f4fec4b577d8c3ca05c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a75ef934b0069f6348c1f712139e08c5f99c6d743e0f4fec4b577d8c3ca05c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a75ef934b0069f6348c1f712139e08c5f99c6d743e0f4fec4b577d8c3ca05c4e", kill_on_drop: false }`
[INFO] [stdout] a75ef934b0069f6348c1f712139e08c5f99c6d743e0f4fec4b577d8c3ca05c4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-07-23" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 537aaab62a5764793160024241d0ac11b582f539aef05d9b71709fa57fa2723e
[INFO] running `Command { std: "docker" "start" "-a" "537aaab62a5764793160024241d0ac11b582f539aef05d9b71709fa57fa2723e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruspiro-cache v0.4.1
[INFO] [stderr]     Checking ruspiro-register v0.5.5
[INFO] [stderr]    Compiling ruspiro-boot v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ruspiro-arch-aarch64 v0.1.7
[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-6f17d22bba15001f/ruspiro-cache-0.4.1/src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(llvm_asm, core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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-6f17d22bba15001f/ruspiro-cache-0.4.1/src/lib.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(llvm_asm, core_intrinsics)]
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `llvm_asm`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ruspiro-cache-0.4.1/src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(llvm_asm, core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ruspiro-cache` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "537aaab62a5764793160024241d0ac11b582f539aef05d9b71709fa57fa2723e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "537aaab62a5764793160024241d0ac11b582f539aef05d9b71709fa57fa2723e", kill_on_drop: false }`
[INFO] [stdout] 537aaab62a5764793160024241d0ac11b582f539aef05d9b71709fa57fa2723e