this derivation will be built:
  /nix/store/pw1pghy40sbsm318sf67k9iir55fgwsn-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/pw1pghy40sbsm318sf67k9iir55fgwsn-bcachefs-module-7.0.0-39-generic.drv'...