Listing i686-w64-mingw32-gcc as a compiler stopped working.
Travis tries to print version before installing it.
$ i686-w64-mingw32-gcc --version
/home/travis/build.sh: line 201: i686-w64-mingw32-gcc: command not found
The command "i686-w64-mingw32-gcc --version" failed and exited with 127 during setup.