these 2 derivations will be built:
  /nix/store/hp58k14d6i91gnrs5cw59n2nz5m903qg-generate-dependency-diagram.drv
  /nix/store/fg9yxnfkkfik1zcxsjl8y34g8xc7m7df-check-dependency-diagram.drv
error: Cannot build '/nix/store/hp58k14d6i91gnrs5cw59n2nz5m903qg-generate-dependency-diagram.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/81d5dchynb5xbr59yp1lzba1vs1ff2ij-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/hp58k14d6i91gnrs5cw59n2nz5m903qg-generate-dependency-diagram.drv
error: Cannot build '/nix/store/fg9yxnfkkfik1zcxsjl8y34g8xc7m7df-check-dependency-diagram.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/c1vnawl7mjri1rpqd7xpbsl5m1xv74w8-check-dependency-diagram