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# error kind ExecutionFailed
# pre-build errors command failed: exit status: 101
# 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" "1325bede5f6608c4e6f2bd1c47ee3ebb131b856769710232e7b2e286ec1f2ccd" "/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: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition [INFO] [stderr] (in the `server_function` library target) [INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Documenting server-function v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] error: let chains are only allowed in Rust 2024 or later [INFO] [stderr] --> src/lib.rs:64:16 [INFO] [stderr] | [INFO] [stderr] 64 | if let TokenTree::Punct(punct1) = token1 && let TokenTree::Punct(punct2) = token2 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: let chains are only allowed in Rust 2024 or later [INFO] [stderr] --> src/lib.rs:64:57 [INFO] [stderr] | [INFO] [stderr] 64 | if let TokenTree::Punct(punct1) = token1 && let TokenTree::Punct(punct2) = token2 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: let chains are only allowed in Rust 2024 or later [INFO] [stderr] --> src/lib.rs:76:21 [INFO] [stderr] | [INFO] [stderr] 76 | else if let TokenTree::Punct(punct) = token1 && let TokenTree::Ident(_) = token2 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: let chains are only allowed in Rust 2024 or later [INFO] [stderr] --> src/lib.rs:76:61 [INFO] [stderr] | [INFO] [stderr] 76 | else if let TokenTree::Punct(punct) = token1 && let TokenTree::Ident(_) = token2 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: Compilation failed, aborting rustdoc [INFO] [stderr] [INFO] [stderr] error: could not document `server-function` [INFO] running `Command { std: "docker" "inspect" "1325bede5f6608c4e6f2bd1c47ee3ebb131b856769710232e7b2e286ec1f2ccd", kill_on_drop: false }`