Rust failure 9.0-stable amd64

[Mike Pumford <mpumford%mudcovered.org.uk@localhost>]

Getting:
cargo:warning=../rustllvm/PassWrapper.cpp: In function 'void 
LLVMTimeTraceProfilerInitialize()':
cargo:warning=../rustllvm/PassWrapper.cpp:71:31: error: too few 
arguments to function 'void llvm::timeTraceProfilerInitialize(unsigned 
int, llvm::StringRef)'
cargo:warning=   timeTraceProfilerInitialize();
cargo:warning=                               ^
cargo:warning=In file included from ../rustllvm/PassWrapper.cpp:34:0:

Mike