[INFO] fetching crate drone-stm32-map-svd 0.14.0...
[INFO] documenting drone-stm32-map-svd-0.14.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate drone-stm32-map-svd 0.14.0 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate drone-stm32-map-svd 0.14.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate drone-stm32-map-svd 0.14.0
[INFO] finished tweaking crates.io crate drone-stm32-map-svd 0.14.0
[INFO] tweaked toml for crates.io crate drone-stm32-map-svd 0.14.0 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded drone-svd v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42f414f26f7ed301d59d819273538ada97c58287d0ba23a912be9322f29e112b
[INFO] running `Command { std: "docker" "start" "-a" "42f414f26f7ed301d59d819273538ada97c58287d0ba23a912be9322f29e112b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42f414f26f7ed301d59d819273538ada97c58287d0ba23a912be9322f29e112b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42f414f26f7ed301d59d819273538ada97c58287d0ba23a912be9322f29e112b", kill_on_drop: false }`
[INFO] [stdout] 42f414f26f7ed301d59d819273538ada97c58287d0ba23a912be9322f29e112b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d47c7b6f08619bc5f14ea55052d86c4a438e0702794c78679cb6104de3a52472
[INFO] running `Command { std: "docker" "start" "-a" "d47c7b6f08619bc5f14ea55052d86c4a438e0702794c78679cb6104de3a52472", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking serde-xml-rs v0.4.1
[INFO] [stderr]     Checking drone-svd v0.14.0
[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/drone-svd-0.14.0/src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(bool_to_option)]
[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/drone-svd-0.14.0/src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(cell_update)]
[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/drone-svd-0.14.0/src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(generator_trait)]
[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/drone-svd-0.14.0/src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![feature(generators)]
[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/drone-svd-0.14.0/src/lib.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(bool_to_option)]
[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/drone-svd-0.14.0/src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(cell_update)]
[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/drone-svd-0.14.0/src/lib.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(generator_trait)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `drone-svd` due to 8 previous errors
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d47c7b6f08619bc5f14ea55052d86c4a438e0702794c78679cb6104de3a52472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d47c7b6f08619bc5f14ea55052d86c4a438e0702794c78679cb6104de3a52472", kill_on_drop: false }`
[INFO] [stdout] d47c7b6f08619bc5f14ea55052d86c4a438e0702794c78679cb6104de3a52472