I maybe will not dig into why, as I'm mostly using 1.6, I thought you liked to know what users can expect (and maybe it's about me having lots of packages so I get downgrades sometimes, if I recall when installing Queryverse):
julia> @time using Queryverse
[ Info: Precompiling Queryverse [612083be-0b0f-5412-89c1-4e7c75506a58]
ERROR: LoadError: LoadError: LoadError: Cannot read stream serialized with a newer version of Julia.
Got data version 12 > current version 10
Stacktrace:
[1] error(::String) at ./error.jl:33
[2] readheader(::Serialization.Serializer{IOStream}) at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.5/Serialization/src/Serialization.jl:715
[3] handle_deserialize(::Serialization.Serializer{IOStream}, ::Int32) at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.5/Serialization/src/Serialization.jl:878
[4] deserialize(::Serialization.Serializer{IOStream}) at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.5/Serialization/src/Serialization.jl:773
[5] deserialize at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.5/Serialization/src/Serialization.jl:760 [inlined]
[6] open(::typeof(Serialization.deserialize), ::String, ::Vararg{String,N} where N; kwargs::Base.Iterators.Pairs{Union{},Union{},Tuple{},NamedTuple{(),Tuple{}}}) at ./io.jl:325
[7] open at ./io.jl:323 [inlined]
[8] (::TimeZones.var"#3#4"{String})() at /home/pharaldsson_sym/.julia/packages/TimeZones/v0mfN/src/types/timezone.jl:50
[9] get!(::TimeZones.var"#3#4"{String}, ::Dict{String,Tuple{Dates.TimeZone,TimeZones.Class}}, ::String) at ./dict.jl:450
[10] Dates.TimeZone(::String, ::TimeZones.Class) at /home/pharaldsson_sym/.julia/packages/TimeZones/v0mfN/src/types/timezone.jl:46 (repeats 2 times)
[11] @tz_str(::LineNumberNode, ::Module, ::Any) at /home/pharaldsson_sym/.julia/packages/TimeZones/v0mfN/src/types/timezone.jl:86
[12] include(::Function, ::Module, ::String) at ./Base.jl:380
[13] include at ./Base.jl:368 [inlined]
[14] include(::String) at /home/pharaldsson_sym/.julia/packages/Intervals/T6hJb/src/Intervals.jl:1
[15] top-level scope at /home/pharaldsson_sym/.julia/packages/Intervals/T6hJb/src/Intervals.jl:28
[16] include(::Function, ::Module, ::String) at ./Base.jl:380
[17] include(::Module, ::String) at ./Base.jl:368
[18] top-level scope at none:2
[19] eval at ./boot.jl:331 [inlined]
[20] eval(::Expr) at ./client.jl:467
[21] top-level scope at ./none:3
in expression starting at /home/pharaldsson_sym/.julia/packages/Intervals/T6hJb/src/interval.jl:153
in expression starting at /home/pharaldsson_sym/.julia/packages/Intervals/T6hJb/src/interval.jl:152
in expression starting at /home/pharaldsson_sym/.julia/packages/Intervals/T6hJb/src/Intervals.jl:28
ERROR: LoadError: Failed to precompile Intervals [d8418881-c3e1-53bb-8760-2df7ec849ed5] to /home/pharaldsson_sym/.julia/compiled/v1.5/Intervals/ihXRn_ZZkGX.ji.
Stacktrace:
[1] error(::String) at ./error.jl:33
[2] compilecache(::Base.PkgId, ::String) at ./loading.jl:1305
[3] _require(::Base.PkgId) at ./loading.jl:1030
[4] require(::Base.PkgId) at ./loading.jl:928
[5] require(::Module, ::Symbol) at ./loading.jl:923
[6] include(::Function, ::Module, ::String) at ./Base.jl:380
[7] include(::Module, ::String) at ./Base.jl:368
[8] top-level scope at none:2
[9] eval at ./boot.jl:331 [inlined]
[10] eval(::Expr) at ./client.jl:467
[11] top-level scope at ./none:3
in expression starting at /home/pharaldsson_sym/.julia/packages/Polynomials/nqKiM/src/Polynomials.jl:4
ERROR: LoadError: Failed to precompile Polynomials [f27b6e38-b328-58d1-80ce-0feddd5e7a45] to /home/pharaldsson_sym/.julia/compiled/v1.5/Polynomials/OaK78_ZZkGX.ji.
Stacktrace:
[1] error(::String) at ./error.jl:33
[2] compilecache(::Base.PkgId, ::String) at ./loading.jl:1305
[3] _require(::Base.PkgId) at ./loading.jl:1030
[4] require(::Base.PkgId) at ./loading.jl:928
[5] require(::Module, ::Symbol) at ./loading.jl:923
[6] include(::Function, ::Module, ::String) at ./Base.jl:380
[7] include(::Module, ::String) at ./Base.jl:368
[8] top-level scope at none:2
[9] eval at ./boot.jl:331 [inlined]
[10] eval(::Expr) at ./client.jl:467
[11] top-level scope at ./none:3
in expression starting at /home/pharaldsson_sym/.julia/packages/DoubleFloats/s9LZK/src/DoubleFloats.jl:44
ERROR: LoadError: Failed to precompile DoubleFloats [497a8b3b-efae-58df-a0af-a86822472b78] to /home/pharaldsson_sym/.julia/compiled/v1.5/DoubleFloats/KzTCm_ZZkGX.ji.
Stacktrace:
[1] error(::String) at ./error.jl:33
[2] compilecache(::Base.PkgId, ::String) at ./loading.jl:1305
[3] _require(::Base.PkgId) at ./loading.jl:1030
[4] require(::Base.PkgId) at ./loading.jl:928
[5] require(::Module, ::Symbol) at ./loading.jl:923
[6] include(::Function, ::Module, ::String) at ./Base.jl:380
[7] include(::Module, ::String) at ./Base.jl:368
[8] top-level scope at none:2
[9] eval at ./boot.jl:331 [inlined]
[10] eval(::Expr) at ./client.jl:467
[11] top-level scope at ./none:3
in expression starting at /home/pharaldsson_sym/.julia/packages/TextParse/EETm2/src/TextParse.jl:3
ERROR: LoadError: Failed to precompile TextParse [e0df1984-e451-5cb5-8b61-797a481e67e3] to /home/pharaldsson_sym/.julia/compiled/v1.5/TextParse/Ry2K3_ZZkGX.ji.
Stacktrace:
[1] error(::String) at ./error.jl:33
[2] compilecache(::Base.PkgId, ::String) at ./loading.jl:1305
[3] _require(::Base.PkgId) at ./loading.jl:1030
[4] require(::Base.PkgId) at ./loading.jl:928
[5] require(::Module, ::Symbol) at ./loading.jl:923
[6] include(::Function, ::Module, ::String) at ./Base.jl:380
[7] include(::Module, ::String) at ./Base.jl:368
[8] top-level scope at none:2
[9] eval at ./boot.jl:331 [inlined]
[10] eval(::Expr) at ./client.jl:467
[11] top-level scope at ./none:3
in expression starting at /home/pharaldsson_sym/.julia/packages/CSVFiles/C68zw/src/CSVFiles.jl:3
ERROR: LoadError: Failed to precompile CSVFiles [5d742f6a-9f54-50ce-8119-2520741973ca] to /home/pharaldsson_sym/.julia/compiled/v1.5/CSVFiles/kq3Uy_ZZkGX.ji.
Stacktrace:
[1] error(::String) at ./error.jl:33
[2] compilecache(::Base.PkgId, ::String) at ./loading.jl:1305
[3] _require(::Base.PkgId) at ./loading.jl:1030
[4] require(::Base.PkgId) at ./loading.jl:928
[5] require(::Module, ::Symbol) at ./loading.jl:923
[6] include(::Function, ::Module, ::String) at ./Base.jl:380
[7] include(::Module, ::String) at ./Base.jl:368
[8] top-level scope at none:2
[9] eval at ./boot.jl:331 [inlined]
[10] eval(::Expr) at ./client.jl:467
[11] top-level scope at ./none:3
in expression starting at /home/pharaldsson_sym/.julia/packages/Queryverse/hqsvz/src/Queryverse.jl:13
ERROR: Failed to precompile Queryverse [612083be-0b0f-5412-89c1-4e7c75506a58] to /home/pharaldsson_sym/.julia/compiled/v1.5/Queryverse/hLJnW_ZZkGX.ji.
Stacktrace:
[1] error(::String) at ./error.jl:33
[2] compilecache(::Base.PkgId, ::String) at ./loading.jl:1305
[3] _require(::Base.PkgId) at ./loading.jl:1030
[4] require(::Base.PkgId) at ./loading.jl:928
[5] require(::Module, ::Symbol) at ./loading.jl:923
[6] top-level scope at timing.jl:174
Also, FYI: https://discourse.julialang.org/t/parallel-loading-of-packages-to-help-e-g-queryverse-vegalite-time-to-first-plot/45700
I maybe will not dig into why, as I'm mostly using 1.6, I thought you liked to know what users can expect (and maybe it's about me having lots of packages so I get downgrades sometimes, if I recall when installing Queryverse):