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.
# rustc version
rustc 1.91.0-nightly (a65b04d7c 2025-08-02)# docs.rs version
docsrs 0.6.0 (e18d034e 2025-07-29)# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace/builds/htmlm-0.5.0/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/htmlm-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20250802-1.91.0-nightly-a65b04d7c\", \"--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] 34c7ce2d0a706d240d68b345df0a17ab0cabcb2722196f356757e4114e3af6f5
[INFO] running `Command { std: "docker" "start" "-a" "34c7ce2d0a706d240d68b345df0a17ab0cabcb2722196f356757e4114e3af6f5", kill_on_drop: false }`
[INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op
[INFO] [stderr] Compiling htmlm-macro v0.3.0
[INFO] [stderr] error: let chains are only allowed in Rust 2024 or later
[INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/htmlm-macro-0.3.0/src/lib.rs:262:20
[INFO] [stderr] |
[INFO] [stderr] 262 | if let proc_macro::TokenTree::Group(g) = &t
[INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]
[INFO] [stderr] error: could not compile `htmlm-macro` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "34c7ce2d0a706d240d68b345df0a17ab0cabcb2722196f356757e4114e3af6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34c7ce2d0a706d240d68b345df0a17ab0cabcb2722196f356757e4114e3af6f5", kill_on_drop: false }`
[INFO] [stdout] 34c7ce2d0a706d240d68b345df0a17ab0cabcb2722196f356757e4114e3af6f5