this derivation will be built:
  /nix/store/5l3s4qh837pdjri6zgvc2b7ji94y39xn-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/5l3s4qh837pdjri6zgvc2b7ji94y39xn-bcachefs-module-7.0.0-29-generic.drv'...