this derivation will be built:
  /nix/store/4v5m8di73rgisnpgiv05xzbma33pxxgf-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/4v5m8di73rgisnpgiv05xzbma33pxxgf-bcachefs-module-7.0.0-38-generic.drv'...