these 2 derivations will be built:
  /nix/store/0virnbilbfk5a7qqsk6qmygfajl0bga2-generate-dependency-diagram.drv
  /nix/store/nqqaikh635y1vh7c4j6w1s74b238mg4a-check-dependency-diagram.drv
error: Cannot build '/nix/store/0virnbilbfk5a7qqsk6qmygfajl0bga2-generate-dependency-diagram.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/9zxpg0gywshbnianp7m6h9l53rq1rbl2-generate-dependency-diagram
       Last 2 log lines:
       > tribuchet: building on jamie
       > Store crate(s) not categorized: store-gc. Add to STORE_PURE or STORE_IMPURE in /nix/store/i36v84nbskp43x17qcnkjavis3pdsx52-dependency-diagram.py.
       For full logs, run:
         nix log /nix/store/0virnbilbfk5a7qqsk6qmygfajl0bga2-generate-dependency-diagram.drv
error: Cannot build '/nix/store/nqqaikh635y1vh7c4j6w1s74b238mg4a-check-dependency-diagram.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/j58a0wagb485jzb6rrhykv5gcsv8sm17-check-dependency-diagram