this derivation will be built:
  /nix/store/p5k9g355z4bn5s2zss73jrz6vlwvzm3a-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/p5k9g355z4bn5s2zss73jrz6vlwvzm3a-bcachefs-module-7.0.0-39-generic.drv'...