this derivation will be built:
  /nix/store/k8np1hcp0x144azkqrhj3j73p8mnc7wr-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/k8np1hcp0x144azkqrhj3j73p8mnc7wr-bcachefs-module-7.0.0-39-generic.drv'...