[INFO] fetching crate edge-net 0.2.0...
[INFO] testing edge-net-0.2.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate edge-net 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate edge-net 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] started tweaking crates.io crate edge-net 0.2.0
[INFO] finished tweaking crates.io crate edge-net 0.2.0
[INFO] tweaked toml for crates.io crate edge-net 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate edge-net 0.2.0 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-process v1.6.0
[INFO] [stderr]   Downloaded async-io v1.12.0
[INFO] [stderr]   Downloaded simple_logger v2.3.0
[INFO] [stderr]   Downloaded no-std-net v0.5.0
[INFO] [stderr]   Downloaded polling v2.5.2
[INFO] [stderr]   Downloaded embedded-svc v0.24.0
[INFO] [stderr]   Downloaded enumset_derive v0.6.1
[INFO] [stderr]   Downloaded atomic-polyfill v1.0.1
[INFO] [stderr]   Downloaded defmt-parser v0.3.1
[INFO] [stderr]   Downloaded embassy-futures v0.1.0
[INFO] [stderr]   Downloaded defmt-macros v0.3.3
[INFO] [stderr]   Downloaded defmt v0.3.2
[INFO] [stderr]   Downloaded embedded-io v0.3.1
[INFO] [stderr]   Downloaded async-net v1.7.0
[INFO] [stderr]   Downloaded blocking v1.3.0
[INFO] [stderr]   Downloaded embassy-sync v0.1.0
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded embedded-nal v0.6.0
[INFO] [stderr]   Downloaded serde_derive v1.0.150
[INFO] [stderr]   Downloaded smol v1.3.0
[INFO] [stderr]   Downloaded enumset v1.0.12
[INFO] [stderr]   Downloaded domain v0.7.1
[INFO] [stderr]   Downloaded embedded-nal-async v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] cde2f946848a462c8adb5c18bda1d8f48188de23d139703f9966a2a4099576c1
[INFO] running `Command { std: "docker" "start" "-a" "cde2f946848a462c8adb5c18bda1d8f48188de23d139703f9966a2a4099576c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cde2f946848a462c8adb5c18bda1d8f48188de23d139703f9966a2a4099576c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cde2f946848a462c8adb5c18bda1d8f48188de23d139703f9966a2a4099576c1", kill_on_drop: false }`
[INFO] [stdout] cde2f946848a462c8adb5c18bda1d8f48188de23d139703f9966a2a4099576c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 047bd3984c49be3f072656a4a5e640b7293e1ca2568f9336724fd1e31db3e5f8
[INFO] running `Command { std: "docker" "start" "-a" "047bd3984c49be3f072656a4a5e640b7293e1ca2568f9336724fd1e31db3e5f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling polling v2.5.2
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling atomic-polyfill v1.0.1
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling spin v0.9.4
[INFO] [stderr]    Compiling async-io v1.12.0
[INFO] [stderr]    Compiling no-std-net v0.5.0
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling embedded-io v0.3.1
[INFO] [stderr]    Compiling embassy-sync v0.1.0
[INFO] [stderr]    Compiling critical-section v1.1.1
[INFO] [stderr]    Compiling nb v1.0.0
[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] [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" "047bd3984c49be3f072656a4a5e640b7293e1ca2568f9336724fd1e31db3e5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "047bd3984c49be3f072656a4a5e640b7293e1ca2568f9336724fd1e31db3e5f8", kill_on_drop: false }`
[INFO] [stdout] 047bd3984c49be3f072656a4a5e640b7293e1ca2568f9336724fd1e31db3e5f8
