[INFO] fetching crate ruspiro-mailbox 0.4.1...
[INFO] checking ruspiro-mailbox-0.4.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate ruspiro-mailbox 0.4.1 into /workspace/builds/worker-3-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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruspiro-mailbox 0.4.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f90a3f2a2fb85661ba74d2df4b57734e8e687c01b9e659e36d593936bb21c69
[INFO] running `Command { std: "docker" "start" "-a" "8f90a3f2a2fb85661ba74d2df4b57734e8e687c01b9e659e36d593936bb21c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f90a3f2a2fb85661ba74d2df4b57734e8e687c01b9e659e36d593936bb21c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f90a3f2a2fb85661ba74d2df4b57734e8e687c01b9e659e36d593936bb21c69", kill_on_drop: false }`
[INFO] [stdout] 8f90a3f2a2fb85661ba74d2df4b57734e8e687c01b9e659e36d593936bb21c69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49798a739d81787009e75fb49685dfd085fa42419f542ceb6c39d048ecd0f965
[INFO] running `Command { std: "docker" "start" "-a" "49798a739d81787009e75fb49685dfd085fa42419f542ceb6c39d048ecd0f965", kill_on_drop: false }`
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]     Checking ruspiro-register v0.5.5
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking ruspiro-error v0.1.1
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]     Checking ruspiro-arch-aarch64 v0.1.7
[INFO] [stderr]     Checking ruspiro-mmio-register v0.1.4
[INFO] [stderr]    Compiling ruspiro-cache v0.4.1
[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" "49798a739d81787009e75fb49685dfd085fa42419f542ceb6c39d048ecd0f965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49798a739d81787009e75fb49685dfd085fa42419f542ceb6c39d048ecd0f965", kill_on_drop: false }`
[INFO] [stdout] 49798a739d81787009e75fb49685dfd085fa42419f542ceb6c39d048ecd0f965