Running documenter locally no longer seems to populate the build directory

General Usage
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1

I just tried to build a local version of the docs for a package using a method that I believe has succeeded in the past. I start julia (v1.6.2) in the docs subdirectory, Pkd.add the parent directory, Pkg.update() then include("make.jl"). It seems to go through all the steps but the build directory remains empty. Any hints on what I might be doing wrong?

    Updating git-repo `/home/bates/.julia/dev/MixedModels`
   Installed OffsetArrays ─ v1.10.3
   Installed Documenter ─── v0.27.3
    Updating `~/.julia/dev/MixedModels/docs/Project.toml`
  [6e4b80f9] ↑ BenchmarkTools v0.5.0 ⇒ v1.1.0
  [a93c6f00] ↑ DataFrames v0.22.7 ⇒ v1.2.0
  [e30172f5] ↑ Documenter v0.26.3 ⇒ v0.27.3
  [ff71e718] ~ MixedModels v4.0.0 `..#pa/release-4.0` ⇒ v4.0.0 `..#pa/release-4.0`
    Updating `~/.julia/dev/MixedModels/docs/Manifest.toml`
  [6e4b80f9] ↑ BenchmarkTools v0.5.0 ⇒ v1.1.0
  [324d7699] ↑ CategoricalArrays v0.9.7 ⇒ v0.10.0
  [a93c6f00] ↑ DataFrames v0.22.7 ⇒ v1.2.0
  [e30172f5] ↑ Documenter v0.26.3 ⇒ v0.27.3
  [b5f81e59] ↑ IOCapture v0.1.1 ⇒ v0.2.2
  [e1d29d7a] ↑ Missings v0.4.5 ⇒ v1.0.0
  [ff71e718] ~ MixedModels v4.0.0 `..#pa/release-4.0` ⇒ v4.0.0 `..#pa/release-4.0`
  [6fe1bfb0] ↑ OffsetArrays v1.10.2 ⇒ v1.10.3
  [08abe8d2] ↑ PrettyTables v0.11.1 ⇒ v1.1.0
  [a2af1166] ↑ SortingAlgorithms v0.3.1 ⇒ v1.0.1
Precompiling project...
  7 dependencies successfully precompiled in 15 seconds (106 already precompiled)

julia> include("make.jl")
[ Info: Precompiling MixedModels [ff71e718-51f3-5ec2-a782-8ffcbfa3c316]
[ Info: SetupBuildDirectory: setting up build directory.
[ Info: Doctest: running doctests.
[ Info: ExpandTemplates: expanding markdown templates.
┌ Warning: Model has not been fit
└ @ MixedModels ~/.julia/packages/MixedModels/SlgCc/src/generalizedlinearmixedmodel.jl:669
[ Info: CrossReferences: building cross-references.
[ Info: CheckDocument: running document checks.
[ Info: Populate: populating indices.
[ Info: RenderDocument: rendering document.
[ Info: HTMLWriter: rendering HTML pages.
┌ Warning: Documenter could not auto-detect the building environment Skipping deployment.
└ @ Documenter ~/.julia/packages/Documenter/4JDQo/src/deployconfig.jl:75