this derivation will be built:
  /nix/store/dsxq0ly8h87cnlr4rbm00c2y3dsim5f7-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/dsxq0ly8h87cnlr4rbm00c2y3dsim5f7-bcachefs-module-7.0.0-39-generic.drv'...