this derivation will be built:
  /nix/store/2jdgxl3zbyqg9n3wd18lax8bplns6kff-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/2jdgxl3zbyqg9n3wd18lax8bplns6kff-bcachefs-module-7.0.0-38-generic.drv'...