[boost] Fw: Build failed: smart_ptr 1.0.31-develop

I'm getting a weird error from the CI: https://ci.appveyor.com/project/pdimov/smart-ptr/build/1.0.31-develop C:/projects/boost-root/tools/build/src\build-system.jam:982: in load *** argument error * rule boostcpp.post-build ( ok ? ) * called with: ( ok ok ) * extra argument ok C:/projects/boost-root\boostcpp.jam:513:see definition of rule 'boostcpp.post-build' being called C:\projects\boost-root\tools\build\src/kernel\modules.jam:295: in import C:\projects\boost-root\tools\build\src/kernel/bootstrap.jam:139: in boost-build C:\projects\boost-root\boost-build.jam:17: in module scope Command exited with code 1 This is Submodule path 'tools/build': checked out '32113ca3ddbc637d08e85c44502f3149d37323e0'