this derivation will be built:
  /nix/store/cscxw2qjp8az75k41rxrf9wcjvk74lhn-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/cscxw2qjp8az75k41rxrf9wcjvk74lhn-bcachefs-module-7.0.0-39-generic.drv'...