[INFO] fetching crate avr_delay 0.3.2...
[INFO] testing avr_delay-0.3.2 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate avr_delay 0.3.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate avr_delay 0.3.2 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate avr_delay 0.3.2
[INFO] finished tweaking crates.io crate avr_delay 0.3.2
[INFO] tweaked toml for crates.io crate avr_delay 0.3.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate avr_delay 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0de8ab84b815afe12a11ce06b3b93970bbcad30b2b61b0bee6b599c2246c090
[INFO] running `Command { std: "docker" "start" "-a" "e0de8ab84b815afe12a11ce06b3b93970bbcad30b2b61b0bee6b599c2246c090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0de8ab84b815afe12a11ce06b3b93970bbcad30b2b61b0bee6b599c2246c090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0de8ab84b815afe12a11ce06b3b93970bbcad30b2b61b0bee6b599c2246c090", kill_on_drop: false }`
[INFO] [stdout] e0de8ab84b815afe12a11ce06b3b93970bbcad30b2b61b0bee6b599c2246c090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d9551194bb49415f36a00113f83891c7a48d1d1d8d90cd2962b83da0e1e5a64
[INFO] running `Command { std: "docker" "start" "-a" "8d9551194bb49415f36a00113f83891c7a48d1d1d8d90cd2962b83da0e1e5a64", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling const_env_impl--value v0.1.2
[INFO] [stderr]    Compiling const_env--value v0.1.2
[INFO] [stderr]    Compiling avr-config v2.0.1
[INFO] [stderr]    Compiling avr_delay v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't allocate input reg for constraint 'w'
[INFO] [stdout]   --> 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: couldn't allocate input reg for constraint 'w'
[INFO] [stdout]   --> 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: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `avr_delay`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8d9551194bb49415f36a00113f83891c7a48d1d1d8d90cd2962b83da0e1e5a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d9551194bb49415f36a00113f83891c7a48d1d1d8d90cd2962b83da0e1e5a64", kill_on_drop: false }`
[INFO] [stdout] 8d9551194bb49415f36a00113f83891c7a48d1d1d8d90cd2962b83da0e1e5a64