[INFO] fetching crate ranting_derive 0.2.1...
[INFO] documenting ranting_derive-0.2.1 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate ranting_derive 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate ranting_derive 0.2.1 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 ranting_derive 0.2.1
[INFO] finished tweaking crates.io crate ranting_derive 0.2.1
[INFO] tweaked toml for crates.io crate ranting_derive 0.2.1 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] 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] a58e86ffdcc6bfe330ae95e8358fb0fa1c0a3707dc1d00b72bfa33ff35828c4b
[INFO] running `Command { std: "docker" "start" "-a" "a58e86ffdcc6bfe330ae95e8358fb0fa1c0a3707dc1d00b72bfa33ff35828c4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a58e86ffdcc6bfe330ae95e8358fb0fa1c0a3707dc1d00b72bfa33ff35828c4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a58e86ffdcc6bfe330ae95e8358fb0fa1c0a3707dc1d00b72bfa33ff35828c4b", kill_on_drop: false }`
[INFO] [stdout] a58e86ffdcc6bfe330ae95e8358fb0fa1c0a3707dc1d00b72bfa33ff35828c4b
[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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7434d78ce407f6ffe80212a9e79771af03f489be7ba272c0db18c4393a1d7060
[INFO] running `Command { std: "docker" "start" "-a" "7434d78ce407f6ffe80212a9e79771af03f489be7ba272c0db18c4393a1d7060", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking memchr v2.5.0
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking litrs v0.2.3
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking regex v1.8.1
[INFO] [stderr]     Checking darling_core v0.14.4
[INFO] [stderr]     Checking proc-macro-error v1.0.4
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]     Checking darling v0.14.4
[INFO] [stderr]  Documenting ranting_derive v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(iter_intersperse)]
[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 `ranting_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type proc-macro --crate-name ranting_derive src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3af33bfc2202b48e -L dependency=/opt/rustwide/target/debug/deps --extern darling=/opt/rustwide/target/debug/deps/libdarling-bfb9ff3d3d273c30.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-44ee49cc695a4923.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-0ca4fe4f432b61a2.rmeta --extern litrs=/opt/rustwide/target/debug/deps/liblitrs-ba8ee8e5e07ba9c3.rmeta --extern proc_macro_error=/opt/rustwide/target/debug/deps/libproc_macro_error-1eacebc03c7b7083.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b4428f0723261f03.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-25938768891e3290.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-6511752d3c9cae67.rmeta --extern strum=/opt/rustwide/target/debug/deps/libstrum-4da676464fa3a270.rmeta --extern strum_macros=/opt/rustwide/target/debug/deps/libstrum_macros-a7f4248d615ce4fd.so --extern syn=/opt/rustwide/target/debug/deps/libsyn-6f1c698a86ec4cf2.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-01cbe0bcdfee2364.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.2.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "7434d78ce407f6ffe80212a9e79771af03f489be7ba272c0db18c4393a1d7060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7434d78ce407f6ffe80212a9e79771af03f489be7ba272c0db18c4393a1d7060", kill_on_drop: false }`
[INFO] [stdout] 7434d78ce407f6ffe80212a9e79771af03f489be7ba272c0db18c4393a1d7060
