this derivation will be built:
  /nix/store/jjg3f16vvx8vnnf5m4309zqf91p9m2xq-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/jjg3f16vvx8vnnf5m4309zqf91p9m2xq-bcachefs-module-7.0.0-29-generic.drv'...