this derivation will be built:
  /nix/store/wy60j29i99n61044080kvcgcx6gwidy7-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/wy60j29i99n61044080kvcgcx6gwidy7-bcachefs-module-7.0.0-39-generic.drv'...