precompile error "ci_cache not defined"

[CarloLucibello]

On julia 1.6 rc2:

(@v1.6) pkg> add CUDA#master
    Updating git-repo `https://github.com/JuliaGPU/CUDA.jl.git`
    Updating registry at `~/.julia/registries/General`
   Resolving package versions...
    Updating `~/.julia/environments/v1.6/Project.toml`
  [052768ef] ~ CUDA v2.6.2 ⇒ v2.6.0 `https://github.com/JuliaGPU/CUDA.jl.git#master`
    Updating `~/.julia/environments/v1.6/Manifest.toml`
  [052768ef] ~ CUDA v2.6.2 ⇒ v2.6.0 `https://github.com/JuliaGPU/CUDA.jl.git#master`
  [e6cf234a] + RandomNumbers v1.4.0
Precompiling project...
  Progress [========================================>]  1/1
  ✗ CUDA
0 dependencies successfully precompiled in 22 seconds (136 already precompiled)
1 dependency errored

julia> using CUDA
[ Info: Precompiling CUDA [052768ef-5323-5732-b1bb-66c8b64840ba]
ERROR: LoadError: LoadError: UndefVarError: ci_cache not defined
Stacktrace:
  [1] getproperty(x::Module, f::Symbol)
    @ Base ./Base.jl:26
  [2] top-level scope
    @ ~/.julia/packages/CUDA/aROLw/src/compiler/gpucompiler.jl:43
  [3] include(mod::Module, _path::String)
    @ Base ./Base.jl:386
  [4] include(x::String)
    @ CUDA ~/.julia/packages/CUDA/aROLw/src/CUDA.jl:1
  [5] top-level scope
    @ ~/.julia/packages/CUDA/aROLw/src/CUDA.jl:71
  [6] include
    @ ./Base.jl:386 [inlined]
  [7] include_package_for_output(pkg::Base.PkgId, input::String, depot_path::Vector{String}, dl_load_path::Vector{String}, load_path::Vector{String}, concrete_deps::Vector{Pair{Base.PkgId, UInt64}}, source::Nothing)
    @ Base ./loading.jl:1213
  [8] top-level scope
    @ none:1
  [9] eval
    @ ./boot.jl:360 [inlined]
 [10] eval(x::Expr)
    @ Base.MainInclude ./client.jl:446
 [11] top-level scope
    @ none:1
in expression starting at /home/carlo/.julia/packages/CUDA/aROLw/src/compiler/gpucompiler.jl:43
in expression starting at /home/carlo/.julia/packages/CUDA/aROLw/src/CUDA.jl:1
ERROR: Failed to precompile CUDA [052768ef-5323-5732-b1bb-66c8b64840ba] to /home/carlo/.julia/compiled/v1.6/CUDA/jl_gjVvyH.
Stacktrace:
 [1] error(s::String)
   @ Base ./error.jl:33
 [2] compilecache(pkg::Base.PkgId, path::String, internal_stderr::Base.TTY, internal_stdout::Base.TTY)
   @ Base ./loading.jl:1360
 [3] compilecache(pkg::Base.PkgId, path::String)
   @ Base ./loading.jl:1306
 [4] _require(pkg::Base.PkgId)
   @ Base ./loading.jl:1021
 [5] require(uuidkey::Base.PkgId)
   @ Base ./loading.jl:914
 [6] require(into::Module, mod::Symbol)
   @ Base ./loading.jl:901

[maleadt]

https://juliagpu.github.io/CUDA.jl/dev/installation/overview/#Package-installation

[CarloLucibello]

right, I was missing

pkg> add GPUCompiler#master
pkg> add GPUArrays#master
pkg> add LLVM#master

sorry for the noise