On Sat, Jun 22, 2019 at 07:52:40PM +0200, Paul Gevers wrote: > Hi Ximin, > > On 22-06-2019 11:57, Ximin Luo wrote: > > Paul Gevers: > >> On 21-06-2019 07:38, Ximin Luo wrote: > >>> rustc 1.34.2 was unblocked in bug #930661 but the bug requestor forgot to > >>> file > >>> the corresponding unblock request for cargo version 0.35.0-1. This is the > >>> recommended version of cargo that goes with that rust version. > >> > >> How strong is this recommendation? It is too late in the freeze to take > >> new upstream releases that aren't targeted fixes for important or higher > >> bugs. > >> > > > > Strong in that upstream does not officially support any other > > combination and doesn't even talk about it as being possible. It's > > only a quirk of the Debian packaging situation that sometimes the > > versions are mismatched in unstable, because we de-synchronise rustc > > vs cargo releases. Upstream always releases them in sync. I don't > > think we should desync them for a stable release. > And is the security team aware of this (in CC)? We are doing this to > support Firefox security builds.
Rust 1.34 is needed for Firefox ESR68 and if Cargo 0.35 should complement that, then let's do that. Cheers, Moritz