these 2 derivations will be built:
  /nix/store/gh26y8i7q4j49j1kljqwmls1x9bdp3sn-generate-dependency-diagram.drv
  /nix/store/4ai4d008l4q2fn69lv7d4gh6nmvjj975-check-dependency-diagram.drv
error: Cannot build '/nix/store/gh26y8i7q4j49j1kljqwmls1x9bdp3sn-generate-dependency-diagram.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/nydzg6m4x2cq3iqkm5hyxrrzi9ag5pjf-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/gh26y8i7q4j49j1kljqwmls1x9bdp3sn-generate-dependency-diagram.drv
error: Cannot build '/nix/store/4ai4d008l4q2fn69lv7d4gh6nmvjj975-check-dependency-diagram.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/6ni68zhgzvrr4dfjixy6mikwcaarj0mp-check-dependency-diagram