these 4 derivations will be built:
  /nix/store/d7psp3pd85nn781fdnwjv7nv57m9bvys-clan-runtime.drv
  /nix/store/wmq62qbfmg2b38967yac2jqndcnflk7p-clan-cli-source.drv
  /nix/store/d0z2si31sa74vn2zzyihcm9fz7j0ss2c-clan-cli.drv
  /nix/store/r8phxpzb2i8jy2xrpf2cwp8jmza5ci7j-nix-shell.drv