this derivation will be built:
  /nix/store/7y02h6hkc7kq375sarl5g3ia43lsqc4f-nix-shell.drv
this path will be fetched (7.9 MiB download, 24.2 MiB unpacked):
  /nix/store/d5y0b7bb08mfx42n2psxzbmzdxp90fp9-cargo-nextest-0.9.144