On Wed, Jan 13, 2021 at 01:57:06PM -0500, Leo Famulari wrote: > On Wed, Jan 13, 2021 at 02:22:23PM +0100, Wiktor Żelazny wrote: > > These attempts were either ignored by guix or resulted in > > > > guix time-machine: error: got unexpected path `Backtrace:' from substituter > > I don't think this error is related to time-machine and unstable source > code. It appears to be . Hi Leo, Yeah, there may be a connection. Is --no-substitutes a way to avoid this error? WŻ