[INFO] fetching crate ruspiro-mailbox 0.4.1...
[INFO] testing ruspiro-mailbox-0.4.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate ruspiro-mailbox 0.4.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate ruspiro-mailbox 0.4.1
[INFO] finished tweaking crates.io crate ruspiro-mailbox 0.4.1
[INFO] tweaked toml for crates.io crate ruspiro-mailbox 0.4.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruspiro-mailbox 0.4.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07881e13a67fbf35014a4bd7e90a670f122b0cf7a6ba0de4243477469f6fdee9
[INFO] running `Command { std: "docker" "start" "-a" "07881e13a67fbf35014a4bd7e90a670f122b0cf7a6ba0de4243477469f6fdee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07881e13a67fbf35014a4bd7e90a670f122b0cf7a6ba0de4243477469f6fdee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07881e13a67fbf35014a4bd7e90a670f122b0cf7a6ba0de4243477469f6fdee9", kill_on_drop: false }`
[INFO] [stdout] 07881e13a67fbf35014a4bd7e90a670f122b0cf7a6ba0de4243477469f6fdee9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b46bcb38fc9d57efd023b835247b40cbd0b8ee04aabdc6ca038870e0f563079
[INFO] running `Command { std: "docker" "start" "-a" "0b46bcb38fc9d57efd023b835247b40cbd0b8ee04aabdc6ca038870e0f563079", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruspiro-register v0.5.5
[INFO] [stderr]    Compiling ruspiro-cache v0.4.1
[INFO] [stderr]    Compiling ruspiro-error v0.1.1
[INFO] [stderr]    Compiling ruspiro-arch-aarch64 v0.1.7
[INFO] [stderr]    Compiling ruspiro-mmio-register v0.1.4
[INFO] [stdout] error[E0635]: unknown feature `llvm_asm`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ruspiro-cache` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "0b46bcb38fc9d57efd023b835247b40cbd0b8ee04aabdc6ca038870e0f563079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b46bcb38fc9d57efd023b835247b40cbd0b8ee04aabdc6ca038870e0f563079", kill_on_drop: false }`
[INFO] [stdout] 0b46bcb38fc9d57efd023b835247b40cbd0b8ee04aabdc6ca038870e0f563079