this derivation will be built:
  /nix/store/rk9x53wjg8xm0vhmgb6b90zsb1w1nl3y-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/rk9x53wjg8xm0vhmgb6b90zsb1w1nl3y-bcachefs-module-7.0.0-30-generic.drv'...