these 21 derivations will be built:
  /nix/store/3887x0w9z8xinkdsnmzjigc649rr00sp-chain-1-root.drv
  /nix/store/lr040sw3y9fwwnkdzhp1ywxg9h0xwl2b-chain-1-link-1.drv
  /nix/store/9kwyxvarpjbsr0lr633jhbvan6clj2xw-chain-1-link-2.drv
  /nix/store/lqy5s8adg0jlzxfvqxrp8dn8plhp94d8-chain-1-link-3.drv
  /nix/store/mdw2ymimb2flhbl4dxwjz8nx6ik9rkg0-chain-1-link-4.drv
  /nix/store/v1is7qjk7qnw8npzi65wb9ikfy0lqqkr-chain-1-link-5.drv
  /nix/store/vhs6l9xpn1li09xv60zhjjicqz7r8rlh-chain-1-link-6.drv
  /nix/store/06zix425w0gx3aihm707aixlj42wpjgp-chain-1-link-7.drv
  /nix/store/g2nicad8x2y5xz4mq21n2wlw207vgckg-chain-1-link-8.drv
  /nix/store/ylym89c0dxjm6nn36m1in2qzsyx0sczd-chain-1-link-9.drv
  /nix/store/8w2g35h2v9p49dkl0sxhxn8y4apapx2p-chain-1-link-10.drv
  /nix/store/g5yic4w3vqf95dh5abz30kii1bwr6076-chain-1-link-11.drv
  /nix/store/9wgihgcxk9dqp02l18dbgj5s57z10cq1-chain-1-link-12.drv
  /nix/store/7pj10lzrh42zrg5i7i30wmqikln4sfpr-chain-1-link-13.drv
  /nix/store/yr00w9byshqdkyvg7cbpzadymmcw7wv3-chain-1-link-14.drv
  /nix/store/1jawik182rmw0vrg4qlfsgyaq7l2qwz6-chain-1-link-15.drv
  /nix/store/2rqxhaw66ckcyayzky9h7cqp823l9zyn-chain-1-link-16.drv
  /nix/store/8rf1vcp6wj8df9ncf8j754x88fclw65s-chain-1-link-17.drv
  /nix/store/j35dkm5g7bgrflpk2kmqdad2jflfsw6z-chain-1-link-18.drv
  /nix/store/xl5hkgiqqr6dxr4650mzargfj7w62bqv-chain-1-link-19.drv
  /nix/store/dgfgigvw0ylhjps41plmsmfwx4rrcg25-chain-1-link-20.drv