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# rustc version
rustc 1.93.0-nightly (0df64c578 2025-11-17)# docs.rs version
docsrs 0.6.0 (2f0353e5 2025-11-17 )# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace/builds/cpp_oop-0.1.9/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/cpp_oop-0.1.9/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20251117-1.93.0-nightly-0df64c578\", \"--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] e1ec1ec746231273166269c199c8d0217606f66fb63d19233dbc2d555be5a5e7
[INFO] running `Command { std: "docker" "start" "-a" "e1ec1ec746231273166269c199c8d0217606f66fb63d19233dbc2d555be5a5e7", kill_on_drop: false }`
[INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op
[INFO] [stderr] Compiling cpp_oop_macros v0.1.9
[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/cpp_oop_macros-0.1.9/src/handlers/generators.rs:323:29
[INFO] [stderr] |
[INFO] [stderr] 323 | let const_body = if let Some(first_arg) = inputs.first()
[INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]
[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/cpp_oop_macros-0.1.9/src/handlers/generators.rs:324:16
[INFO] [stderr] |
[INFO] [stderr] 324 | && let Type::Reference(ty) = &first_arg.ty
[INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]
[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/cpp_oop_macros-0.1.9/src/handlers/generators.rs:438:29
[INFO] [stderr] |
[INFO] [stderr] 438 | let const_body = if let Some(FnArg::Receiver(first_arg)) = inputs.first()
[INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]
[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/cpp_oop_macros-0.1.9/src/handlers/generators.rs:439:16
[INFO] [stderr] |
[INFO] [stderr] 439 | && let Type::Reference(ty) = &*first_arg.ty
[INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]
[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/cpp_oop_macros-0.1.9/src/handlers/generators.rs:605:8
[INFO] [stderr] |
[INFO] [stderr] 605 | if let Some(BaseImplProps {
[INFO] [stderr] | ________^
[INFO] [stderr] 606 | | fns,
[INFO] [stderr] 607 | | base_vtable_name,
[INFO] [stderr] 608 | | ..
[INFO] [stderr] 609 | | }) = impl_bases_inner.first()
[INFO] [stderr] | |_________________________________^
[INFO] [stderr]
[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/cpp_oop_macros-0.1.9/src/handlers/parsers.rs:279:40
[INFO] [stderr] |
[INFO] [stderr] 279 | ... && let FnArg::Typed(arg) = arg
[INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]
[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/cpp_oop_macros-0.1.9/src/handlers/parsers.rs:280:40
[INFO] [stderr] |
[INFO] [stderr] 280 | ... && let Type::Reference(ty) = &*arg.ty
[INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]
[INFO] [stderr] error: could not compile `cpp_oop_macros` (lib) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "e1ec1ec746231273166269c199c8d0217606f66fb63d19233dbc2d555be5a5e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ec1ec746231273166269c199c8d0217606f66fb63d19233dbc2d555be5a5e7", kill_on_drop: false }`
[INFO] [stdout] e1ec1ec746231273166269c199c8d0217606f66fb63d19233dbc2d555be5a5e7