I might be jumping to conclusion a bit but at first glance it looks like a variant of:
I think they started to pop up in 1.9 because that’s when we tightened the criteria for invalidation (i.e. more easily invalid)
and the solution is to play with JULIA_CPU_TARGET `compilecache` failed when `@everywhere using` from remote machines · Issue #48217 · JuliaLang/julia · GitHub