> Is the intention to make rust 1.76.0 the default rustc in noble (== 'rustc'), or to introduce it as an additional rustc-1.76 package?
It will be made default, and then LP: #2054748 will transition this package to rustc-1.76 instead of rustc.
> what rebuild testing has been done on the reverse-dependencies
Performing rebuild testing is currently very difficult because many micro-packages synchronized from Debian haven't yet formed a stable dependency tree. Many test failures suggest incomplete sync or incomplete work from Debian.
> Is the intention to make rust 1.76.0 the default rustc in noble (== 'rustc'), or to introduce it as an additional rustc-1.76 package?
It will be made default, and then LP: #2054748 will transition this package to rustc-1.76 instead of rustc.
> what rebuild testing has been done on the reverse- dependencies
Performing rebuild testing is currently very difficult because many micro-packages synchronized from Debian haven't yet formed a stable dependency tree. Many test failures suggest incomplete sync or incomplete work from Debian.