Fails to precompile on master

[MikeInnes]

julia> versioninfo()
Julia Version 1.1.0-DEV.614
Commit 099979931c* (2018-11-04 18:43 UTC)
Platform Info:
  OS: macOS (x86_64-apple-darwin18.0.0)
  CPU: Intel(R) Core(TM) i5-8259U CPU @ 2.30GHz
  WORD_SIZE: 64
  LIBM: libopenlibm
  LLVM: libLLVM-6.0.1 (ORCJIT, skylake)

julia> using Tokenize
[ Info: Precompiling Tokenize [0796e94c-ce3b-5d07-9a54-7f471281c624]
ERROR: Failed to precompile Tokenize [0796e94c-ce3b-5d07-9a54-7f471281c624] to /Users/mike/.julia/compiled/v1.1/Tokenize/7Oi97.ji.
Stacktrace:
 [1] error(::String) at ./error.jl:33
 [2] macro expansion at ./logging.jl:311 [inlined]
 [3] compilecache(::Base.PkgId, ::String) at ./loading.jl:1184
 [4] _require(::Base.PkgId) at ./logging.jl:309
 [5] require(::Base.PkgId) at ./loading.jl:858
 [6] macro expansion at ./logging.jl:309 [inlined]
 [7] require(::Module, ::Symbol) at ./loading.jl:840

[KristofferC]

JuliaLang/julia#29903