[INFO] fetching crate ruspiro-i2c 0.4.0...
[INFO] checking ruspiro-i2c-0.4.0 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate ruspiro-i2c 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate ruspiro-i2c 0.4.0 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate ruspiro-i2c 0.4.0
[INFO] finished tweaking crates.io crate ruspiro-i2c 0.4.0
[INFO] tweaked toml for crates.io crate ruspiro-i2c 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding ruspiro-timer v0.5.2 (available: v0.6.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ruspiro-interrupt v0.4.3
[INFO] [stderr]   Downloaded ruspiro-register v0.5.5
[INFO] [stderr]   Downloaded ruspiro-interrupt-macros v0.3.2
[INFO] [stderr]   Downloaded ruspiro-lock v0.4.3
[INFO] [stderr]   Downloaded ruspiro-mmio-register v0.1.4
[INFO] [stderr]   Downloaded ruspiro-singleton v0.4.3
[INFO] [stderr]   Downloaded ruspiro-timer v0.5.2
[INFO] [stderr]   Downloaded ruspiro-channel v0.1.1
[INFO] [stderr]   Downloaded ruspiro-arch-aarch64 v0.1.7
[INFO] [stderr]   Downloaded ruspiro-gpio v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2ba1d5584687670ca8f7bdd0a625ba703a70db1b9f219fb82e46e8ba4b0f899
[INFO] running `Command { std: "docker" "start" "-a" "c2ba1d5584687670ca8f7bdd0a625ba703a70db1b9f219fb82e46e8ba4b0f899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2ba1d5584687670ca8f7bdd0a625ba703a70db1b9f219fb82e46e8ba4b0f899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2ba1d5584687670ca8f7bdd0a625ba703a70db1b9f219fb82e46e8ba4b0f899", kill_on_drop: false }`
[INFO] [stdout] c2ba1d5584687670ca8f7bdd0a625ba703a70db1b9f219fb82e46e8ba4b0f899
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fafae75adb806565f758fa03aa7c6bd74d790b586dbed210fe01619d03c5f70
[INFO] running `Command { std: "docker" "start" "-a" "0fafae75adb806565f758fa03aa7c6bd74d790b586dbed210fe01619d03c5f70", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]     Checking ruspiro-register v0.5.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling ruspiro-interrupt v0.4.3
[INFO] [stderr]     Checking ruspiro-lock v0.4.3
[INFO] [stderr]     Checking ruspiro-singleton v0.4.3
[INFO] [stderr]     Checking ruspiro-arch-aarch64 v0.1.7
[INFO] [stderr]     Checking ruspiro-mmio-register v0.1.4
[INFO] [stderr]     Checking ruspiro-channel v0.1.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling ruspiro-interrupt-macros v0.3.2
[INFO] [stdout] error[E0635]: unknown feature `llvm_asm`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ruspiro-interrupt-0.4.3/src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(llvm_asm)]
[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-interrupt` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "0fafae75adb806565f758fa03aa7c6bd74d790b586dbed210fe01619d03c5f70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fafae75adb806565f758fa03aa7c6bd74d790b586dbed210fe01619d03c5f70", kill_on_drop: false }`
[INFO] [stdout] 0fafae75adb806565f758fa03aa7c6bd74d790b586dbed210fe01619d03c5f70
