these 2 derivations will be built:
  /nix/store/gcag0h6jp9lssf8arvxcsxhxwnznj6i0-generate-dependency-diagram.drv
  /nix/store/xj1ns2s0mnapn71nj6yxxpf67ycrnr62-check-dependency-diagram.drv
error: Cannot build '/nix/store/xj1ns2s0mnapn71nj6yxxpf67ycrnr62-check-dependency-diagram.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/djg7c76wdqqrh7shsymkrr6nj9z8njfi-check-dependency-diagram
       Last 13 log lines:
       > tribuchet: building on jamie
       > --- /nix/store/wl5r05fgfjafv82yj6jskzxixdxwlk7g-harmonia-store-structure.md	1970-01-01 00:00:01.000000000 +0000
       > +++ /nix/store/y6x26wvziiywm8hbq4i0a76i99vyc1jk-generate-dependency-diagram	1970-01-01 00:00:01.000000000 +0000
       > @@ -129,6 +129,7 @@
       >      protocol --> store-aterm
       >      protocol --> store-build-result
       >      protocol --> store-path-info
       > +    store-gc --> store-db
       >      daemon --> protocol
       >      daemon --> store-db
       >      store-remote --> protocol
       > Dependency diagram is out of date. Update with:
       >   cp /nix/store/y6x26wvziiywm8hbq4i0a76i99vyc1jk-generate-dependency-diagram docs/architecture/harmonia-store-structure.md
       For full logs, run:
         nix log /nix/store/xj1ns2s0mnapn71nj6yxxpf67ycrnr62-check-dependency-diagram.drv