[INFO] fetching crate ruspiro-i2c 0.4.0...
[INFO] testing ruspiro-i2c-0.4.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate ruspiro-i2c 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruspiro-i2c 0.4.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ruspiro-singleton v0.4.3
[INFO] [stderr]   Downloaded ruspiro-arch-aarch64 v0.1.7
[INFO] [stderr]   Downloaded ruspiro-register v0.5.5
[INFO] [stderr]   Downloaded ruspiro-timer v0.5.2
[INFO] [stderr]   Downloaded ruspiro-channel v0.1.1
[INFO] [stderr]   Downloaded ruspiro-interrupt-macros v0.3.2
[INFO] [stderr]   Downloaded ruspiro-gpio v0.4.3
[INFO] [stderr]   Downloaded ruspiro-mmio-register v0.1.4
[INFO] [stderr]   Downloaded ruspiro-lock v0.4.3
[INFO] [stderr]   Downloaded ruspiro-interrupt v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a8b496791f599f34545a539d54128077b1fa11b717698e6fc631b7b1f2aaa0b
[INFO] running `Command { std: "docker" "start" "-a" "4a8b496791f599f34545a539d54128077b1fa11b717698e6fc631b7b1f2aaa0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a8b496791f599f34545a539d54128077b1fa11b717698e6fc631b7b1f2aaa0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a8b496791f599f34545a539d54128077b1fa11b717698e6fc631b7b1f2aaa0b", kill_on_drop: false }`
[INFO] [stdout] 4a8b496791f599f34545a539d54128077b1fa11b717698e6fc631b7b1f2aaa0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f382d7c20afdac7db8e8d1228e345a29915ac073b8a8ae0cb6e2ec651b3b27b4
[INFO] running `Command { std: "docker" "start" "-a" "f382d7c20afdac7db8e8d1228e345a29915ac073b8a8ae0cb6e2ec651b3b27b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling 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]    Compiling ruspiro-lock v0.4.3
[INFO] [stderr]    Compiling ruspiro-singleton v0.4.3
[INFO] [stderr]    Compiling ruspiro-arch-aarch64 v0.1.7
[INFO] [stderr]    Compiling ruspiro-mmio-register v0.1.4
[INFO] [stderr]    Compiling ruspiro-channel v0.1.1
[INFO] [stderr]    Compiling quote v1.0.42
[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-1949cf8c6b5b557f/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] [stderr] error: could not compile `ruspiro-interrupt` (lib) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f382d7c20afdac7db8e8d1228e345a29915ac073b8a8ae0cb6e2ec651b3b27b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f382d7c20afdac7db8e8d1228e345a29915ac073b8a8ae0cb6e2ec651b3b27b4", kill_on_drop: false }`
[INFO] [stdout] f382d7c20afdac7db8e8d1228e345a29915ac073b8a8ae0cb6e2ec651b3b27b4