this derivation will be built:
  /nix/store/7mbasr6v1p7qciy4ivvv4k0pj8339hp7-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/7mbasr6v1p7qciy4ivvv4k0pj8339hp7-bcachefs-module-7.0.0-39-generic.drv'...