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# rustc version
rustc 1.88.0-nightly (191df20fc 2025-04-18)# docs.rs version
docsrs 0.6.0 (ee9a3fe6 2025-03-28)# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace-builder/builds/range-reader-0.2.0/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace-builder/builds/range-reader-0.2.0/source:/opt/rustwide/workdir:ro,Z" "-v" "/home/cratesfyi/workspace-builder/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/home/cratesfyi/workspace-builder/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "DOCS_RS=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "6442450944" "--cpus" "6" "--user" "1001:1001" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20250418-1.88.0-nightly-191df20fc\", \"--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" "--target" "x86_64-unknown-linux-gnu", kill_on_drop: false }`
[INFO] [stdout] a3543d4e9311243dc26ce7a9a24de664589e729d79e5b866364a59dd38739133
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a3543d4e9311243dc26ce7a9a24de664589e729d79e5b866364a59dd38739133", kill_on_drop: false }`
[INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op
[INFO] [stderr] Documenting range-reader v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0658]: `#[doc(cfg)]` is experimental
[INFO] [stderr] --> src/lib.rs:13:20
[INFO] [stderr] |
[INFO] [stderr] 13 | #[cfg_attr(docsrs, doc(cfg(feature = "sync")))]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = note: see issue #43781 <https://github.com/rust-lang/rust/issues/43781> for more information
[INFO] [stderr] = help: add `#![feature(doc_cfg)]` to the crate attributes to enable
[INFO] [stderr] = note: this compiler was built on 2025-04-18; consider upgrading it if it is out of date
[INFO] [stderr]
[INFO] [stderr] error[E0658]: `#[doc(cfg)]` is experimental
[INFO] [stderr] --> src/lib.rs:16:20
[INFO] [stderr] |
[INFO] [stderr] 16 | #[cfg_attr(docsrs, doc(cfg(feature = "sync")))]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = note: see issue #43781 <https://github.com/rust-lang/rust/issues/43781> for more information
[INFO] [stderr] = help: add `#![feature(doc_cfg)]` to the crate attributes to enable
[INFO] [stderr] = note: this compiler was built on 2025-04-18; consider upgrading it if it is out of date
[INFO] [stderr]
[INFO] [stderr] error[E0658]: `#[doc(cfg)]` is experimental
[INFO] [stderr] --> src/lib.rs:19:20
[INFO] [stderr] |
[INFO] [stderr] 19 | #[cfg_attr(docsrs, doc(cfg(feature = "async")))]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = note: see issue #43781 <https://github.com/rust-lang/rust/issues/43781> for more information
[INFO] [stderr] = help: add `#![feature(doc_cfg)]` to the crate attributes to enable
[INFO] [stderr] = note: this compiler was built on 2025-04-18; consider upgrading it if it is out of date
[INFO] [stderr]
[INFO] [stderr] error[E0658]: `#[doc(cfg)]` is experimental
[INFO] [stderr] --> src/lib.rs:22:20
[INFO] [stderr] |
[INFO] [stderr] 22 | #[cfg_attr(docsrs, doc(cfg(feature = "async")))]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = note: see issue #43781 <https://github.com/rust-lang/rust/issues/43781> for more information
[INFO] [stderr] = help: add `#![feature(doc_cfg)]` to the crate attributes to enable
[INFO] [stderr] = note: this compiler was built on 2025-04-18; consider upgrading it if it is out of date
[INFO] [stderr]
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not document `range-reader`
[INFO] running `Command { std: "docker" "inspect" "a3543d4e9311243dc26ce7a9a24de664589e729d79e5b866364a59dd38739133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3543d4e9311243dc26ce7a9a24de664589e729d79e5b866364a59dd38739133", kill_on_drop: false }`
[INFO] [stdout] a3543d4e9311243dc26ce7a9a24de664589e729d79e5b866364a59dd38739133