this derivation will be built:
  /nix/store/7n3mg26wzdgbrxx7y0sn1bygfg7m8hl2-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/7n3mg26wzdgbrxx7y0sn1bygfg7m8hl2-bcachefs-module-7.0.0-27-generic.drv'...