these 3 derivations will be built:
  /nix/store/0m7hxcwi9m1c9370frsjrzvlyb8bb6ll-cc-1.2.67.drv
  /nix/store/bwzcfjj3bnlfkqipknklq6319wabf1ph-cargo-vendor-dir.drv
  /nix/store/56795xzl3rn1dlmnifgwwgv43f5r2lyb-nix-ld-riscv64-unknown-linux-gnu.drv