Cleared some warnings

21 jobs from rtmu-dev in 1 minute and 44 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
failed #27890
build

01:44

 
  Test
skipped #27891
test:cargo:api
skipped #27893
test:cargo:compiler
skipped #27892
test:cargo:ir
skipped #27894
test:cargo:runtime
skipped #27900
testjit:binops
skipped #27901
testjit:cmpops
skipped #27902
testjit:controlflow
skipped #27903
testjit:convops
skipped #27904
testjit:double
skipped #27905
testjit:memops
skipped #27899
testjit:milestones
skipped #27906
testjit:otherops
skipped #27907
testjit:rpython
skipped #27908
testjit:som
skipped #27898
testmuc:test_binop
skipped #27897
testmuc:test_cmp
skipped #27895
testmuc:test_simple
skipped #27896
testmuc:test_swapstack
 
  Mubench
skipped #27909
mubench
 
  Rustfmt
skipped #27910
rustfmt