# rustc version rustc 1.98.0-nightly (d1fc603d1 2026-05-26)
# docs.rs version docsrs 0.0.0 (f16e33f3e6ac9fc9e4413728c5dd1b2ba1c6b799 2026-05-23 )
# build log [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "DOCS_RS=1" "-w" "/opt/rustwide/workdir" "--user" "1001:1001" "4f72dcb6b03e43184b21b7c650d433cf9f61273d978889cb11ce79996d12fa41" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260526-1.98.0-nightly-d1fc603d1\", \"--static-root-path\", \"/-/rustdoc.static/\", \"--cap-lints\", \"warn\", \"--extern-html-root-takes-precedence\"]" "--offline" "-Zunstable-options" "--config=doc.extern-map.registries.crates-io=\"https://docs.rs/{pkg_name}/{version}/x86_64-unknown-linux-gnu\"" "-Zrustdoc-scrape-examples" "-j6", kill_on_drop: false }` [INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Documenting proc-macro-hack v0.5.20+deprecated (/opt/rustwide/workdir) [INFO] [stderr] warning: unexpected `cfg` condition name: `need_proc_macro_hack` [INFO] [stderr] --> src/lib.rs:267:45 [INFO] [stderr] | [INFO] [stderr] 267 | if args.only_hack_old_rustc && cfg!(not(need_proc_macro_hack)) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: expected names are: `docsrs`, `feature`, and `test` and 32 more [INFO] [stderr] = help: consider using a Cargo feature instead [INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stderr] [lints.rust] [INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(need_proc_macro_hack)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(need_proc_macro_hack)");` to the top of the `build.rs` [INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration [INFO] [stderr] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `proc-macro-hack` (lib doc) generated 1 warning [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] [stderr] Generated /opt/rustwide/target/doc/proc_macro_hack/index.html [INFO] running `Command { std: "docker" "inspect" "4f72dcb6b03e43184b21b7c650d433cf9f61273d978889cb11ce79996d12fa41", kill_on_drop: false }`