[INFO] fetching crate rak811-at-driver 0.2.0...
[INFO] testing rak811-at-driver-0.2.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate rak811-at-driver 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate rak811-at-driver 0.2.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate rak811-at-driver 0.2.0
[INFO] finished tweaking crates.io crate rak811-at-driver 0.2.0
[INFO] tweaked toml for crates.io crate rak811-at-driver 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atomic-polyfill v1.0.2
[INFO] [stderr]   Downloaded embedded-hal-async v0.2.0-alpha.1
[INFO] [stderr]   Downloaded embassy-time v0.1.1
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.10
[INFO] [stderr]   Downloaded embedded-io v0.4.0
[INFO] [stderr]   Downloaded embassy-futures v0.1.0
[INFO] [stderr]   Downloaded moveslice v2.0.1
[INFO] [stderr]   Downloaded arrayvec v0.6.1
[INFO] [stderr]   Downloaded embassy-sync v0.1.0
[INFO] [stderr]   Downloaded nom v6.2.2
[INFO] [stderr]   Downloaded embedded-nal-async v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49afde7924e262274b35cfbc11d20de72c3943c6ccb84d8ceda85976682b1795
[INFO] running `Command { std: "docker" "start" "-a" "49afde7924e262274b35cfbc11d20de72c3943c6ccb84d8ceda85976682b1795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49afde7924e262274b35cfbc11d20de72c3943c6ccb84d8ceda85976682b1795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49afde7924e262274b35cfbc11d20de72c3943c6ccb84d8ceda85976682b1795", kill_on_drop: false }`
[INFO] [stdout] 49afde7924e262274b35cfbc11d20de72c3943c6ccb84d8ceda85976682b1795
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c16fa543ef970d893b47bc41b5e902bf5e8dd034311c099dec209ebff4553674
[INFO] running `Command { std: "docker" "start" "-a" "c16fa543ef970d893b47bc41b5e902bf5e8dd034311c099dec209ebff4553674", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling atomic-polyfill v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling critical-section v1.1.1
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embassy-sync v0.1.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling no-std-net v0.5.0
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling embedded-io v0.3.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/embedded-io-0.3.1/src/lib.rs:2:32
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "async", feature(type_alias_impl_trait))]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling nom v6.2.2
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `embedded-io` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c16fa543ef970d893b47bc41b5e902bf5e8dd034311c099dec209ebff4553674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16fa543ef970d893b47bc41b5e902bf5e8dd034311c099dec209ebff4553674", kill_on_drop: false }`
[INFO] [stdout] c16fa543ef970d893b47bc41b5e902bf5e8dd034311c099dec209ebff4553674
