[INFO] fetching crate ruduino 0.3.2...
[INFO] building ruduino-0.3.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate ruduino 0.3.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ruduino 0.3.2
[INFO] finished tweaking crates.io crate ruduino 0.3.2
[INFO] tweaked toml for crates.io crate ruduino 0.3.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruduino 0.3.2 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ruduino 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e918034afd4eb0c23c2f99a2507d3562cc043ca393fee166c242f5db97fc53e7
[INFO] running `Command { std: "docker" "start" "-a" "e918034afd4eb0c23c2f99a2507d3562cc043ca393fee166c242f5db97fc53e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e918034afd4eb0c23c2f99a2507d3562cc043ca393fee166c242f5db97fc53e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e918034afd4eb0c23c2f99a2507d3562cc043ca393fee166c242f5db97fc53e7", kill_on_drop: false }`
[INFO] [stdout] e918034afd4eb0c23c2f99a2507d3562cc043ca393fee166c242f5db97fc53e7
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29c1beca7ce4b58e4240254575a237fd323305db52b9eafdfa059a35bc89790e
[INFO] running `Command { std: "docker" "start" "-a" "29c1beca7ce4b58e4240254575a237fd323305db52b9eafdfa059a35bc89790e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling avr-std-stub v1.0.2
[INFO] [stderr]    Compiling target-cpu-fetch v0.1.3
[INFO] [stderr]    Compiling target-cpu-macro v0.1.3
[INFO] [stderr]    Compiling xmltree v0.10.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling avr-mcu v0.3.5
[INFO] [stderr]    Compiling ruduino v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling const_env_impl--value v0.1.2
[INFO] [stderr]    Compiling const_env--value v0.1.2
[INFO] [stderr]    Compiling avr-config v1.0.0
[INFO] [stderr]    Compiling avr-config v2.0.1
[INFO] [stderr]    Compiling avr_delay v0.3.1
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/avr_delay-0.3.1/src/lib.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |         unsafe {llvm_asm!("1: sbiw $0,1
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/avr_delay-0.3.1/src/lib.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |     unsafe {llvm_asm!("1: sbiw $0,1
[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-1949cf8c6b5b557f/avr_delay-0.3.1/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![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 `avr_delay` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "29c1beca7ce4b58e4240254575a237fd323305db52b9eafdfa059a35bc89790e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29c1beca7ce4b58e4240254575a237fd323305db52b9eafdfa059a35bc89790e", kill_on_drop: false }`
[INFO] [stdout] 29c1beca7ce4b58e4240254575a237fd323305db52b9eafdfa059a35bc89790e