this derivation will be built:
  /nix/store/w31vnhp8b7ki3nwq53mdif9bzxxq7yz7-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/w31vnhp8b7ki3nwq53mdif9bzxxq7yz7-bcachefs-module-7.0.0-29-generic.drv'...