this derivation will be built:
  /nix/store/2a1k8l4sby39n2b88vgy558ca8dh2f6i-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/2a1k8l4sby39n2b88vgy558ca8dh2f6i-bcachefs-module-7.0.0-31-generic.drv'...