these 2 derivations will be built:
  /nix/store/qw8a8rxxyqi5b8rl64jp13rdilkanjx9-generate-dependency-diagram.drv
  /nix/store/mknbm011bx43aaia4j1r5b2mfn572myv-check-dependency-diagram.drv
error: Cannot build '/nix/store/qw8a8rxxyqi5b8rl64jp13rdilkanjx9-generate-dependency-diagram.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/m46aii0clza42mxffx1ialknsa6j9dl8-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/qw8a8rxxyqi5b8rl64jp13rdilkanjx9-generate-dependency-diagram.drv
error: Cannot build '/nix/store/mknbm011bx43aaia4j1r5b2mfn572myv-check-dependency-diagram.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/yvfjrjd3f87n25xbzgi0agpii5ql4agg-check-dependency-diagram