this derivation will be built:
  /nix/store/n551nxflbfilvkx6s5z2p0rpydv2wq2s-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/n551nxflbfilvkx6s5z2p0rpydv2wq2s-bcachefs-module-7.0.0-30-generic.drv'...