minor error fix

21 jobs from master in 7 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build
canceled #28605
build

00:07

 
  Test
canceled #28606
test:cargo:api

canceled #28608
test:cargo:compiler

canceled #28607
test:cargo:ir

canceled #28609
test:cargo:runtime

canceled #28615
allowed to fail
testjit:binops

canceled #28616
allowed to fail
testjit:cmpops

canceled #28617
allowed to fail
testjit:controlflow

canceled #28618
allowed to fail
testjit:convops

canceled #28619
allowed to fail
testjit:double

canceled #28620
allowed to fail
testjit:memops

canceled #28614
allowed to fail
testjit:milestones

canceled #28621
allowed to fail
testjit:otherops

canceled #28622
allowed to fail
testjit:rpython

canceled #28623
allowed to fail
testjit:som

canceled #28613
allowed to fail
testmuc:test_binop

canceled #28612
allowed to fail
testmuc:test_cmp

canceled #28610
allowed to fail
testmuc:test_simple

canceled #28611
allowed to fail
testmuc:test_swapstack

 
  Mubench
canceled #28624
mubench

 
  Rustfmt
canceled #28625
rustfmt