this derivation will be built:
  /nix/store/6blavnh0q6zjv40mkmhdl7kw1dfnvz6q-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/6blavnh0q6zjv40mkmhdl7kw1dfnvz6q-bcachefs-module-7.0.0-29-generic.drv'...