this derivation will be built:
  /nix/store/ksljfiyp98m4z0ql1qyj9wadniqywwd3-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/ksljfiyp98m4z0ql1qyj9wadniqywwd3-bcachefs-module-7.0.0-30-generic.drv'...