this derivation will be built:
  /nix/store/jhx7mxh7558bahwf2idlf8rw4vy4mmcj-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/jhx7mxh7558bahwf2idlf8rw4vy4mmcj-bcachefs-module-7.0.0-29-generic.drv'...