[INFO] fetching crate drone-cortex-m-macros 0.11.1...
[INFO] documenting drone-cortex-m-macros-0.11.1 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate drone-cortex-m-macros 0.11.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate drone-cortex-m-macros 0.11.1 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 drone-cortex-m-macros 0.11.1
[INFO] finished tweaking crates.io crate drone-cortex-m-macros 0.11.1
[INFO] tweaked toml for crates.io crate drone-cortex-m-macros 0.11.1 written to /workspace/builds/worker-4-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 drone-macros-core v0.11.1
[INFO] [stderr]   Downloaded drone-config v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6e76fd3dd0d450d23167258e18e8211f306a31c8d3ddbb5e93ecd3eb1445c070
[INFO] running `Command { std: "docker" "start" "-a" "6e76fd3dd0d450d23167258e18e8211f306a31c8d3ddbb5e93ecd3eb1445c070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e76fd3dd0d450d23167258e18e8211f306a31c8d3ddbb5e93ecd3eb1445c070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e76fd3dd0d450d23167258e18e8211f306a31c8d3ddbb5e93ecd3eb1445c070", kill_on_drop: false }`
[INFO] [stdout] 6e76fd3dd0d450d23167258e18e8211f306a31c8d3ddbb5e93ecd3eb1445c070
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52434b1a3e0156198291b4f1eba39c4d6875a0bbf9ee8f31647572f58ca4585c
[INFO] running `Command { std: "docker" "start" "-a" "52434b1a3e0156198291b4f1eba39c4d6875a0bbf9ee8f31647572f58ca4585c", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking anyhow v1.0.71
[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/anyhow-1.0.71/src/lib.rs:214:32
[INFO] [stdout]     |
[INFO] [stdout] 214 | #![cfg_attr(backtrace, feature(error_generic_member_access, provide_any))]
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/anyhow-1.0.71/src/lib.rs:214:61
[INFO] [stdout]     |
[INFO] [stdout] 214 | #![cfg_attr(backtrace, feature(error_generic_member_access, provide_any))]
[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 `anyhow` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "52434b1a3e0156198291b4f1eba39c4d6875a0bbf9ee8f31647572f58ca4585c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52434b1a3e0156198291b4f1eba39c4d6875a0bbf9ee8f31647572f58ca4585c", kill_on_drop: false }`
[INFO] [stdout] 52434b1a3e0156198291b4f1eba39c4d6875a0bbf9ee8f31647572f58ca4585c
