filled MC benchmark table more and fixed some rust issues

benchmarks/model_checking/README.md

...ain/resources/de/hhu/stups/codegenerator/RustTemplate.stg

...test/java/de/hhu/stups/codegenerator/rust/TestOthers.java

src/test/java/de/hhu/stups/codegenerator/rust/TestRS.java

...st/resources/de/hhu/stups/codegenerator/StringLaws_MC.out

...st/resources/de/hhu/stups/codegenerator/SubsetLaws_MC.out

...ources/de/hhu/stups/codegenerator/SubstitutionLaws_MC.out

...resources/de/hhu/stups/codegenerator/TautologiesPL_MC.out

src/test/resources/de/hhu/stups/codegenerator/tictac_MC.out