anchor.diff:  
     rust-tools-nvim = buildVimPluginFrom2Nix {
       pname = "rust-tools-nvim";
  -    version = "2021-05-10";
  +    version = "2021-05-16";
       src = fetchFromGitHub {
         owner = "simrat39";
         repo = "rust-tools.nvim";
  -      rev = "2de94fc88d6382e5f0b61f1c619c8919fd45aea3";
  -      sha256 = "14fg0qs1y2xszpdsnp8gcynqj9fx5c47ckbpgr48hv5df8xncasf";
  +      rev = "6f92ba636c06069592c64f85888b452da7e81cfd";
  +      sha256 = "1ng259hs6l6q17hc3y2iyd7v9xm6mkfg0jbpwgrbk4pf2clpn2aa";
       };
       meta.homepage = "https://github.com/simrat39/rust-tools.nvim/";
     };
  
positive.code: 
    nvim-treesitter = buildVimPluginFrom2Nix {
      pname = "nvim-treesitter";
      version = "2021-05-11";
      src = fetchFromGitHub {
        owner = "nvim-treesitter";
        repo = "nvim-treesitter";
        rev = "efbb1c66d27eb5b4bfbcc1f59d3384e0641c8214";
        sha256 = "1sfc7890v4lgc7r4a5k922qbnc1lpjp3i8sj1jqqxd4a73x1nsvm";
      };
      meta.homepage = "https://github.com/nvim-treesitter/nvim-treesitter/";
    };
  
negative.code: 
    nvim-dap-virtual-text = buildVimPluginFrom2Nix {
      pname = "nvim-dap-virtual-text";
      version = "2021-05-16";
      src = fetchFromGitHub {
        owner = "theHamsta";
        repo = "nvim-dap-virtual-text";
        rev = "29a79b7c15e7e15a416bcaa0efddfe67928b7bdd";
        sha256 = "0wl9dl83cx2hlik7yx6kknb7spsaqlzri2kybf3xcna44mqfq688";
      };
      meta.homepage = "https://github.com/theHamsta/nvim-dap-virtual-text/";
    };
  