[INFO] fetching crate avr-device 0.3.1...
[INFO] testing avr-device-0.3.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate avr-device 0.3.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate avr-device 0.3.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate avr-device 0.3.1
[INFO] finished tweaking crates.io crate avr-device 0.3.1
[INFO] tweaked toml for crates.io crate avr-device 0.3.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded avr-device-macros v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c5306778642ac6a0fc3e4c5fda40d4d1685bd98a398f69f891cc2f3ac28a01cb
[INFO] running `Command { std: "docker" "start" "-a" "c5306778642ac6a0fc3e4c5fda40d4d1685bd98a398f69f891cc2f3ac28a01cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5306778642ac6a0fc3e4c5fda40d4d1685bd98a398f69f891cc2f3ac28a01cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5306778642ac6a0fc3e4c5fda40d4d1685bd98a398f69f891cc2f3ac28a01cb", kill_on_drop: false }`
[INFO] [stdout] c5306778642ac6a0fc3e4c5fda40d4d1685bd98a398f69f891cc2f3ac28a01cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35e06f17db2acc0c68bd9021aee200867bf6c6cecfec883dca674f8aa4c68dec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "35e06f17db2acc0c68bd9021aee200867bf6c6cecfec883dca674f8aa4c68dec", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling avr-device v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: This crate requires you to specify your target chip as a feature.
[INFO] [stdout] 
[INFO] [stdout]     Please select one of the following:
[INFO] [stdout] 
[INFO] [stdout]     * atmega1280
[INFO] [stdout]     * atmega168
[INFO] [stdout]     * atmega2560
[INFO] [stdout]     * atmega328p
[INFO] [stdout]     * atmega328pb
[INFO] [stdout]     * atmega32u4
[INFO] [stdout]     * atmega4809
[INFO] [stdout]     * atmega48p
[INFO] [stdout]     * atmega64
[INFO] [stdout]     * atmega644
[INFO] [stdout]     * atmega8
[INFO] [stdout]     * atmega8u2
[INFO] [stdout]     * attiny84
[INFO] [stdout]     * attiny841
[INFO] [stdout]     * attiny85
[INFO] [stdout]     * attiny861
[INFO] [stdout]     * attiny88
[INFO] [stdout]     
[INFO] [stdout]    --> src/lib.rs:88:1
[INFO] [stdout]     |
[INFO] [stdout] 88  | / compile_error!(
[INFO] [stdout] 89  | |     "This crate requires you to specify your target chip as a feature.
[INFO] [stdout] 90  | |
[INFO] [stdout] 91  | |     Please select one of the following:
[INFO] [stdout] ...   |
[INFO] [stdout] 110 | |     "
[INFO] [stdout] 111 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | #![feature(llvm_asm)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `avr-device` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "35e06f17db2acc0c68bd9021aee200867bf6c6cecfec883dca674f8aa4c68dec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e06f17db2acc0c68bd9021aee200867bf6c6cecfec883dca674f8aa4c68dec", kill_on_drop: false }`
[INFO] [stdout] 35e06f17db2acc0c68bd9021aee200867bf6c6cecfec883dca674f8aa4c68dec