this derivation will be built:
  /nix/store/llq6hg0ny0473amy4yrx8iqj4d692x4q-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/llq6hg0ny0473amy4yrx8iqj4d692x4q-bcachefs-module-7.0.0-28-generic.drv'...