Specified some crate versions to solve compile error on newer toolchains

21 jobs from master in 7 minutes and 13 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build
passed #27424
build

04:02

 
  Test
passed #27425
test:cargo:api

00:03

failed #27427
test:cargo:compiler

00:02

passed #27426
test:cargo:ir

00:01

passed #27428
test:cargo:runtime

00:00

failed #27434
testjit:binops

00:00

failed #27435
testjit:cmpops

00:00

failed #27436
testjit:controlflow

00:00

failed #27437
testjit:convops

00:01

failed #27438
testjit:double

00:00

failed #27439
testjit:memops

00:00

failed #27433
testjit:milestones

00:01

failed #27440
testjit:otherops

00:00

failed #27441
testjit:rpython

00:24

failed #27442
testjit:som

00:28

failed #27432
testmuc:test_binop

00:30

failed #27431
testmuc:test_cmp

00:30

failed #27429
testmuc:test_simple

00:32

failed #27430
testmuc:test_swapstack

00:30

 
  Mubench
skipped #27443
mubench
 
  Rustfmt
skipped #27444
rustfmt