this derivation will be built:
  /nix/store/qmn46glqdwpf5clf6kkjp0cgmnvy2dpl-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/qmn46glqdwpf5clf6kkjp0cgmnvy2dpl-bcachefs-module-7.0.0-28-generic.drv'...