[INFO] fetching crate drone-stm32-svd 0.8.3...
[INFO] documenting drone-stm32-svd-0.8.3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate drone-stm32-svd 0.8.3 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate drone-stm32-svd 0.8.3 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate drone-stm32-svd 0.8.3
[INFO] finished tweaking crates.io crate drone-stm32-svd 0.8.3
[INFO] tweaked toml for crates.io crate drone-stm32-svd 0.8.3 written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63d03f5d61c9954152b21fa3788b6af24d45343d2421b81b8eccd6c771be7a80
[INFO] running `Command { std: "docker" "start" "-a" "63d03f5d61c9954152b21fa3788b6af24d45343d2421b81b8eccd6c771be7a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63d03f5d61c9954152b21fa3788b6af24d45343d2421b81b8eccd6c771be7a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d03f5d61c9954152b21fa3788b6af24d45343d2421b81b8eccd6c771be7a80", kill_on_drop: false }`
[INFO] [stdout] 63d03f5d61c9954152b21fa3788b6af24d45343d2421b81b8eccd6c771be7a80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ca55e72ad82226f21d08c4060a90e027ed5af187ab93e2f213c07dcdaa97f8c
[INFO] running `Command { std: "docker" "start" "-a" "6ca55e72ad82226f21d08c4060a90e027ed5af187ab93e2f213c07dcdaa97f8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking xml-rs v0.3.6
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking serde-xml-rs v0.2.1
[INFO] [stderr]     Checking drone-mirror-failure v0.1.2
[INFO] [stderr]  Documenting drone-stm32-svd v0.8.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(range_contains)]
[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 document `drone-stm32-svd`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name drone_stm32_svd src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d8ccc73b67b0b9a7 -L dependency=/opt/rustwide/target/debug/deps --extern drone_mirror_failure=/opt/rustwide/target/debug/deps/libdrone_mirror_failure-d39b268b950a3d0f.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-dbdb529db862b224.rmeta --extern serde_xml_rs=/opt/rustwide/target/debug/deps/libserde_xml_rs-9b50c83a10544fe2.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-864a219f4e4f97f4.so --cap-lints=warn --crate-version 0.8.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6ca55e72ad82226f21d08c4060a90e027ed5af187ab93e2f213c07dcdaa97f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ca55e72ad82226f21d08c4060a90e027ed5af187ab93e2f213c07dcdaa97f8c", kill_on_drop: false }`
[INFO] [stdout] 6ca55e72ad82226f21d08c4060a90e027ed5af187ab93e2f213c07dcdaa97f8c