Build failed. If you want to re-trigger a documentation build, you can do it here. You can find more information on docs.rs builds documentation on the builds page.
# error kind ExecutionFailed
# pre-build errors command failed: exit status: 101
# rustc version rustc 1.97.0-nightly (7c3c88f42 2026-05-14)
# docs.rs version docsrs 0.0.0 (e3981f6f5e851656470d52001364bbb946056a06 2026-05-14 )
# build log [INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace-builder/builds/macro_rules_attribute-0.2.2/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace-builder/builds/macro_rules_attribute-0.2.2/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" "-m" "6442450944" "--cpuset-cpus" "14-19" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "sleep" "infinity", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b37b55ae8b8542406207f3f67967c7acdf2a3933bf14c35a0791ac92c0bc590d [INFO] running `Command { std: "docker" "start" "b37b55ae8b8542406207f3f67967c7acdf2a3933bf14c35a0791ac92c0bc590d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-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" "--user" "1001:1001" "b37b55ae8b8542406207f3f67967c7acdf2a3933bf14c35a0791ac92c0bc590d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "better-docs" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"--html-before-content\", \"fix-docsrs-li-details-summary.html\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260514-1.97.0-nightly-7c3c88f42\", \"--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] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Documenting macro_rules_attribute v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] error[E0557]: feature has been removed [INFO] [stderr] --> src/lib.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | feature(doc_auto_cfg), [INFO] [stderr] | ^^^^^^^^^^^^ feature has been removed [INFO] [stderr] | [INFO] [stderr] = note: removed in 1.92.0; see <https://github.com/rust-lang/rust/pull/138907> for more information [INFO] [stderr] = note: merged into `doc_cfg` [INFO] [stderr] [INFO] [stderr] error: Compilation failed, aborting rustdoc [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0557`. [INFO] [stderr] error: could not document `macro_rules_attribute` [INFO] running `Command { std: "docker" "stop" "-t" "1" "b37b55ae8b8542406207f3f67967c7acdf2a3933bf14c35a0791ac92c0bc590d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b37b55ae8b8542406207f3f67967c7acdf2a3933bf14c35a0791ac92c0bc590d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b37b55ae8b8542406207f3f67967c7acdf2a3933bf14c35a0791ac92c0bc590d", kill_on_drop: false }` [INFO] [stdout] b37b55ae8b8542406207f3f67967c7acdf2a3933bf14c35a0791ac92c0bc590d