The langtools/test/tools/javac/generics/T5011073.java test is failing on some servers since:
http://hg.openjdk.java.net/jdk9/dev/langtools/rev/a588177cbccf

The cause is difference between the expected output:
T5011073.java:15:9: compiler.err.cant.apply.symbol: kindname.method, f, java.util.Set<java.lang.String>,java.lang.Class<java.lang.String>, java.util.Set<java.lang.Integer>,java.lang.Class, kindname.class, T5011073, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.inconvertible.types: java.util.Set<java.lang.Integer>, java.util.Set<java.lang.String>))
1 error

and the actual output:
T5011073.java:15:9: compiler.err.cant.apply.symbol: kindname.method, f, Set<java.lang.String>,java.lang.Class<java.lang.String>, Set<java.lang.Integer>,java.lang.Class, kindname.class, T5011073, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.inconvertible.types: Set<java.lang.Integer>, Set<java.lang.String>))
1 error

Note the actual output has "Set" instead of "java.util.Set". This does not seem to happen reliably on all test machines.