these 2 derivations will be built:
  /nix/store/w1xw2ab5q1q9sfbp7xzb6kgcjc9w5s3l-cargo-vendor-dir.drv
  /nix/store/il45sfrhh62kkfnn2c6q7m1fvqjmcnlh-nixfmt-wasm-0.5.2.drv