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# rustc version rustc 1.95.0-nightly (0a3cd3b6b 2026-01-18)
# docs.rs version docsrs 0.1.0 (70ee01e6 2026-01-16 )
# build log [INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace/builds/optimizely-0.5.0/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/optimizely-0.5.0/source:/opt/rustwide/workdir:ro,Z" "-v" "/home/cratesfyi/workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/home/cratesfyi/workspace/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260118-1.95.0-nightly-0a3cd3b6b\", \"--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: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] eceff3a3defabe6b85d52d987b0868257cfc44455cefaf90c2fb1efc04831b3b [INFO] running `Command { std: "docker" "start" "-a" "eceff3a3defabe6b85d52d987b0868257cfc44455cefaf90c2fb1efc04831b3b", kill_on_drop: false }` [INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Documenting optimizely v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0557]: feature has been removed [INFO] [stderr] --> src/lib.rs:2:38 [INFO] [stderr] | [INFO] [stderr] 2 | #![cfg_attr(docsrs, feature(doc_cfg, 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 `optimizely` [INFO] running `Command { std: "docker" "inspect" "eceff3a3defabe6b85d52d987b0868257cfc44455cefaf90c2fb1efc04831b3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eceff3a3defabe6b85d52d987b0868257cfc44455cefaf90c2fb1efc04831b3b", kill_on_drop: false }` [INFO] [stdout] eceff3a3defabe6b85d52d987b0868257cfc44455cefaf90c2fb1efc04831b3b