[INFO] fetching crate server_fn_macro 0.3.0-alpha...
[INFO] documenting server_fn_macro-0.3.0-alpha against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate server_fn_macro 0.3.0-alpha into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate server_fn_macro 0.3.0-alpha 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 server_fn_macro 0.3.0-alpha
[INFO] finished tweaking crates.io crate server_fn_macro 0.3.0-alpha
[INFO] tweaked toml for crates.io crate server_fn_macro 0.3.0-alpha written to /workspace/builds/worker-0-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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ba991631080fd8e81099dbba143911b650ed1a400db50fd6d416e06e5d928df3
[INFO] running `Command { std: "docker" "start" "-a" "ba991631080fd8e81099dbba143911b650ed1a400db50fd6d416e06e5d928df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba991631080fd8e81099dbba143911b650ed1a400db50fd6d416e06e5d928df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba991631080fd8e81099dbba143911b650ed1a400db50fd6d416e06e5d928df3", kill_on_drop: false }`
[INFO] [stdout] ba991631080fd8e81099dbba143911b650ed1a400db50fd6d416e06e5d928df3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] aef9a7137dff54500c058cd7a7fcf50a5295233328a7703f6fdbf07f2c3f7aca
[INFO] running `Command { std: "docker" "start" "-a" "aef9a7137dff54500c058cd7a7fcf50a5295233328a7703f6fdbf07f2c3f7aca", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking xxhash-rust v0.8.6
[INFO] [stderr]     Checking quote v1.0.26
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.29
[INFO] [stderr]     Checking const_format v0.2.30
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]     Checking serde v1.0.160
[INFO] [stderr]  Documenting server_fn_macro v0.3.0-alpha (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:46
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(not(feature = "stable"), feature(proc_macro_span))]
[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 `server_fn_macro`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name server_fn_macro src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=bff573aa5beafb68 -L dependency=/opt/rustwide/target/debug/deps --extern const_format=/opt/rustwide/target/debug/deps/libconst_format-286cae6aa77c34ff.rmeta --extern proc_macro_error=/opt/rustwide/target/debug/deps/libproc_macro_error-b88d3503576f4d49.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a4e671e7fcb6e2fd.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-3c5df073fef2eea2.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-88466590763f854e.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-6e315f525cf20243.rmeta --extern xxhash_rust=/opt/rustwide/target/debug/deps/libxxhash_rust-bd284222c7c5256d.rmeta --cap-lints=warn --crate-version 0.3.0-alpha` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "aef9a7137dff54500c058cd7a7fcf50a5295233328a7703f6fdbf07f2c3f7aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aef9a7137dff54500c058cd7a7fcf50a5295233328a7703f6fdbf07f2c3f7aca", kill_on_drop: false }`
[INFO] [stdout] aef9a7137dff54500c058cd7a7fcf50a5295233328a7703f6fdbf07f2c3f7aca
