Bug 17147 – package build fails without useful info after upgrade to v2.073.0

After upgrade to v2.073.0 "dub test" for package fails without any useful info: Performing "unittest" build using dmd for x86_64. requests 0.4.0+commit.1.g99f7172: building configuration "requests-test-std"... /Library/D/dmd/src/phobos/std/typecons.d(740,39): Error: template std.algorithm.mutation.swap cannot deduce function from argument types !(Tuple!(_Response delegate(const(App), ref HTTPD_Request, RequestArgs), RequestArgs))(Tuple!(_Response delegate(const(App), ref HTTPD_Request, RequestArgs), "handler", RequestArgs, "args"), Tuple!(_Response delegate(const(App), ref HTTPD_Request, RequestArgs), "handler", RequestArgs, "args")), candidates are: /Library/D/dmd/src/phobos/std/algorithm/mutation.d(2359,6): std.algorithm.mutation.swap(T)(ref T lhs, ref T rhs) if (isBlitAssignable!T && !is(typeof(lhs.proxySwap(rhs)))) /Library/D/dmd/src/phobos/std/algorithm/mutation.d(2575,6): std.algorithm.mutation.swap(T)(ref T lhs, ref T rhs) if (is(typeof(lhs.proxySwap(rhs)))) Compiling httpbin server dmd failed with exit code 1. I don't see line where template instantiation fails. Info: package source: https://github.com/ikod/dlang-requests $ dmd --version DMD64 D Compiler v2.073.0 Copyright (c) 1999-2016 by Digital Mars written by Walter Bright Thanks!

Fixed with 2.073.1