rust-sciter: compile error on macosx

cargo run --example minimal just output error message:

warning: unused manifest key: badges.appveyor.repository
warning: unused manifest key: package.categories
warning: unused manifest key: package.categories
warning: unused manifest key: package.categories
warning: unused manifest key: package.categories
   Compiling sciter-rs v0.4.16 (file:///Volumes/src/git/rust/rust-sciter)
error: linking with `cc` failed: exit code: 1
  |
  = note: "cc" "-m64" "-L" "/Users/tony/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib" "/Volumes/src/git/rust/rust-sciter/target/debug/examples/minimal-049750bad57ec635.0.o" "-o" "/Volumes/src/git/rust/rust-sciter/target/debug/examples/minimal-049750bad57ec635" "-Wl,-dead_strip" "-nodefaultlibs" "-L" "/Volumes/src/git/rust/rust-sciter/target/debug/deps" "-L" "/Users/tony/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib" "/Volumes/src/git/rust/rust-sciter/target/debug/deps/libsciter-e229de1bcb7d347a.rlib" "/Volumes/src/git/rust/rust-sciter/target/debug/deps/liblazy_static-4345d0db7d7e9b05.rlib" "/Volumes/src/git/rust/rust-sciter/target/debug/deps/libobjc_foundation-cd7bec3c0f31e91a.rlib" "/Volumes/src/git/rust/rust-sciter/target/debug/deps/libblock-81bb5816adb186e4.rlib" "/Volumes/src/git/rust/rust-sciter/target/debug/deps/libobjc_id-f01a1943dfb75bb9.rlib" "/Volumes/src/git/rust/rust-sciter/target/debug/deps/libobjc-2834ac60b01b7699.rlib" "/Volumes/src/git/rust/rust-sciter/target/debug/deps/libmalloc_buf-826d6968858cdff6.rlib" "/Volumes/src/git/rust/rust-sciter/target/debug/deps/liblibc-6451aa7d8103c93e.rlib" "/Users/tony/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib/libstd-f1544d51c14ee547.rlib" "/Users/tony/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib/libpanic_unwind-0973ad751bdffbae.rlib" "/Users/tony/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib/libunwind-30637a1739b412eb.rlib" "/Users/tony/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib/librand-6ce8560490ee791c.rlib" "/Users/tony/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib/libcollections-77c40ab2fac1172e.rlib" "/Users/tony/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib/liballoc-40208fb59386bff5.rlib" "/Users/tony/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib/liballoc_jemalloc-4b56f5c0b7251555.rlib" "/Users/tony/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib/liblibc-cba64299ce12485f.rlib" "/Users/tony/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib/libstd_unicode-a98ebaa82aaee358.rlib" "/Users/tony/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib/libcore-cfc94a4f91ad8df0.rlib" "/Users/tony/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib/libcompiler_builtins-51cf9867f46a760f.rlib" "-l" "sciter-osx-64" "-framework" "Foundation" "-l" "System" "-l" "objc" "-l" "objc" "-l" "objc" "-l" "System" "-l" "pthread" "-l" "c" "-l" "m"
  = note: ld: library not found for -lsciter-osx-64
clang: error: linker command failed with exit code 1 (use -v to see invocation)


error: aborting due to previous error

error: Could not compile `sciter-rs`.

To learn more, run the command again with --verbose.