this derivation will be built:
  /nix/store/b9pgixhlcnkjpbyd6r7a830ba0bw1xz3-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/b9pgixhlcnkjpbyd6r7a830ba0bw1xz3-bcachefs-module-7.0.0-31-generic.drv'...