this derivation will be built:
  /nix/store/19d99p9r4sp8as2shx07cr5s1lspwqyn-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/19d99p9r4sp8as2shx07cr5s1lspwqyn-bcachefs-module-7.0.0-38-generic.drv'...