this derivation will be built:
  /nix/store/x6qrxy2sdjkhngc80kxx0y10gy4grgp4-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/x6qrxy2sdjkhngc80kxx0y10gy4grgp4-bcachefs-module-7.0.0-29-generic.drv'...