these 2 derivations will be built:
  /nix/store/zfzmh661rmczvf33l4hana0k95vqy3pk-vhs.drv
  /nix/store/0ivamqfb79zaa1v8yhqryjp0ydlak4dv-docs.drv
building '/nix/store/zfzmh661rmczvf33l4hana0k95vqy3pk-vhs.drv'
building '/nix/store/0ivamqfb79zaa1v8yhqryjp0ydlak4dv-docs.drv'
docs> Running phase: unpackPhase
docs> unpacking source archive /nix/store/157a1i9gxfsz5lh1mj9qy7jpn55aqz8r-source
docs> source root is source
docs> Running phase: patchPhase
docs> Running phase: updateAutotoolsGnuConfigScriptsPhase
docs> Running phase: configurePhase
docs> no configure script, doing nothing
docs> Running phase: buildPhase
docs> INFO    -  Cleaning site directory
docs> INFO    -  Building documentation to directory: /build/source/docs/out
docs> WARNING -  The following pages exist in the docs directory, but are not included in the "nav" configuration:
docs>   - index.md
docs> WARNING -  Doc file 'reference/stdin-spec.md' contains an absolute link '/reference/formatter-spec', it was left as is. Did you mean 'formatter-spec.md'?
docs> INFO    -  Documentation built in 3.04 seconds
docs> Running phase: installPhase
docs> Running phase: fixupPhase
docs> shrinking RPATHs of ELF executables and libraries in /nix/store/sgcljx8i9gna6x470jmpqzvhg0i0s9wy-docs
docs> checking for references to /build/ in /nix/store/sgcljx8i9gna6x470jmpqzvhg0i0s9wy-docs...
docs> patching script interpreter paths in /nix/store/sgcljx8i9gna6x470jmpqzvhg0i0s9wy-docs

upload niks3: ok