[INFO] fetching crate castle_macro 0.20.2...
[INFO] documenting castle_macro-0.20.2 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate castle_macro 0.20.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate castle_macro 0.20.2 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 castle_macro 0.20.2
[INFO] finished tweaking crates.io crate castle_macro 0.20.2
[INFO] tweaked toml for crates.io crate castle_macro 0.20.2 written to /workspace/builds/worker-3-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 async-recursion v1.0.4
[INFO] [stderr]   Downloaded byte v0.2.6
[INFO] [stderr]   Downloaded castle_shared_parser v0.20.2
[INFO] [stderr]   Downloaded fast-float v0.2.0
[INFO] [stderr]   Downloaded unzip-n v0.1.2
[INFO] [stderr]   Downloaded castle_input_cursor v0.20.2
[INFO] [stderr]   Downloaded castle_tokenizer v0.20.2
[INFO] [stderr]   Downloaded castle_types v0.20.2
[INFO] [stderr]   Downloaded castle_schema_parser v0.20.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 32a0cf602d83ecef18c3f97fd70b9ea4713ebe1be1b8b0f73ee25134e14471cb
[INFO] running `Command { std: "docker" "start" "-a" "32a0cf602d83ecef18c3f97fd70b9ea4713ebe1be1b8b0f73ee25134e14471cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32a0cf602d83ecef18c3f97fd70b9ea4713ebe1be1b8b0f73ee25134e14471cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32a0cf602d83ecef18c3f97fd70b9ea4713ebe1be1b8b0f73ee25134e14471cb", kill_on_drop: false }`
[INFO] [stdout] 32a0cf602d83ecef18c3f97fd70b9ea4713ebe1be1b8b0f73ee25134e14471cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5a2848d0731da8f686d0def16696ab7ebb9ca34939a21f7ec40d0cbef6112f6d
[INFO] running `Command { std: "docker" "start" "-a" "5a2848d0731da8f686d0def16696ab7ebb9ca34939a21f7ec40d0cbef6112f6d", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking anyhow v1.0.71
[INFO] [stderr]     Checking byte v0.2.6
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling async-recursion v1.0.4
[INFO] [stderr]    Compiling unzip-n v0.1.2
[INFO] [stderr]     Checking rmp v0.8.11
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking serde_json v1.0.96
[INFO] [stderr]     Checking rmp-serde v1.1.1
[INFO] [stderr]     Checking castle_input_cursor v0.20.2
[INFO] [stderr]     Checking uuid v1.3.2
[INFO] [stderr]     Checking castle_types v0.20.2
[INFO] [stderr]     Checking castle_tokenizer v0.20.2
[INFO] [stderr]     Checking castle_shared_parser v0.20.2
[INFO] [stderr]     Checking castle_schema_parser v0.20.2
[INFO] [stderr]  Documenting castle_macro v0.20.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_diagnostic)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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(drain_filter)]
[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 document `castle_macro`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type proc-macro --crate-name castle_macro src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d3d5a541fb6c917b -L dependency=/opt/rustwide/target/debug/deps --extern castle_schema_parser=/opt/rustwide/target/debug/deps/libcastle_schema_parser-21d642d7ca3ef3fe.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b4428f0723261f03.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-25938768891e3290.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-72effca52e7ddeb7.rmeta --extern unzip_n=/opt/rustwide/target/debug/deps/libunzip_n-b09db6386a0bfa40.so --extern proc_macro --cap-lints=warn --crate-version 0.20.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "5a2848d0731da8f686d0def16696ab7ebb9ca34939a21f7ec40d0cbef6112f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a2848d0731da8f686d0def16696ab7ebb9ca34939a21f7ec40d0cbef6112f6d", kill_on_drop: false }`
[INFO] [stdout] 5a2848d0731da8f686d0def16696ab7ebb9ca34939a21f7ec40d0cbef6112f6d
