this derivation will be built:
  /nix/store/vdsd471yf2wpn1alfj126zi2s56nzmwq-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/vdsd471yf2wpn1alfj126zi2s56nzmwq-bcachefs-module-7.0.0-27-generic.drv'...