cargo-c @0.7.3 +universal: error: the lock file ... needs to be updated but --frozen was passed to prevent this

[ryandesign (Ryan Carsten Schmidt)]

Building cargo-c with the +universal variant fails:

:debug:build system:  cd "/opt/local/var/macports/build/_Users_rschmidt_macports_macports-ports-svn-trunk-new_devel_cargo-c/cargo-c/work/cargo-c-0.7.3-x86_64" && /opt/local/bin/cargo build --release --frozen -v -j8 
:info:build error: the lock file /opt/local/var/macports/build/_Users_rschmidt_macports_macports-ports-svn-trunk-new_devel_cargo-c/cargo-c/work/cargo-c-0.7.3-x86_64/Cargo.lock needs to be updated but --frozen was passed to prevent this
:info:build If you want to try to generate the lock file without accessing the network, use the --offline flag.

[MarcusCalhoun-Lopez (Marcus Calhoun-Lopez)]

In 514a87e316ac87b54f323f504b3ff81e2a2f9af1/macports-ports (master):

cargo-c: recognize supported architectures

cargo-c can only be built on architectures supported by Rust.
Fixes #62613