Package evaluation to test AbstractDifferentiation on Julia 1.12.4 (422f456051*) started at 2026-01-29T00:23:01.344 ################################################################################ # Set-up # Installing PkgEval dependencies (TestEnv)... Activating project at `~/.julia/environments/v1.12` Set-up completed after 8.14s ################################################################################ # Installation # Installing AbstractDifferentiation... Resolving package versions... Updating `~/.julia/environments/v1.12/Project.toml` [c29ec348] + AbstractDifferentiation v0.6.2 Updating `~/.julia/environments/v1.12/Manifest.toml` [c29ec348] + AbstractDifferentiation v0.6.2 [e2ba6199] + ExprTools v0.1.10 [ae029012] + Requires v1.3.1 [56f22d72] + Artifacts v1.11.0 [8f399da3] + Libdl v1.11.0 [37e2e46d] + LinearAlgebra v1.12.0 [9a3f8284] + Random v1.11.0 [ea8e919c] + SHA v0.7.0 [cf7118a7] + UUIDs v1.11.0 [e66e0078] + CompilerSupportLibraries_jll v1.3.0+1 [4536629a] + OpenBLAS_jll v0.3.29+0 [8e850b90] + libblastrampoline_jll v5.15.0+0 Installation completed after 4.41s ################################################################################ # Precompilation # Precompiling PkgEval dependencies... Precompiling package dependencies... Precompiling packages... 2038.8 ms ✓ AbstractDifferentiation → AbstractDifferentiationFiniteDifferencesExt 20168.0 ms ✓ NNlib 85051.0 ms ✓ Zygote 63245.2 ms ✓ AbstractDifferentiation → AbstractDifferentiationReverseDiffExt 33640.6 ms ✓ NNlib → NNlibForwardDiffExt 2794.2 ms ✓ NNlib → NNlibSpecialFunctionsExt 4745.1 ms ✓ AbstractDifferentiation → AbstractDifferentiationZygoteExt 21169.1 ms ✓ Tracker 7817.3 ms ✓ AbstractDifferentiation → AbstractDifferentiationTrackerExt 63364.2 ms ✓ Zygote → ZygoteTrackerExt 10 dependencies successfully precompiled in 305 seconds. 140 already precompiled. Precompilation completed after 323.32s ################################################################################ # Testing # Testing AbstractDifferentiation Status `/tmp/jl_riLPIx/Project.toml` [c29ec348] AbstractDifferentiation v0.6.2 [d360d2e6] ChainRulesCore v1.26.0 [163ba53b] DiffResults v1.1.0 [e30172f5] Documenter v1.16.1 [e2ba6199] ExprTools v0.1.10 [26cc04aa] FiniteDifferences v0.12.33 ⌅ [f6369f11] ForwardDiff v0.10.39 [ae029012] Requires v1.3.1 [37e2e3b7] ReverseDiff v1.16.2 [9f7883ad] Tracker v0.2.38 ⌅ [e88e6eb3] Zygote v0.6.77 [37e2e46d] LinearAlgebra v1.12.0 [9a3f8284] Random v1.11.0 [8dfed614] Test v1.11.0 Status `/tmp/jl_riLPIx/Manifest.toml` [a4c015fc] ANSIColoredPrinters v0.0.1 [c29ec348] AbstractDifferentiation v0.6.2 [621f4979] AbstractFFTs v1.5.0 [1520ce14] AbstractTrees v0.4.5 [79e6a3ab] Adapt v4.4.0 [a9b6321e] Atomix v1.1.2 [fa961155] CEnum v0.5.0 [082447d4] ChainRules v1.72.6 [d360d2e6] ChainRulesCore v1.26.0 [944b1d66] CodecZlib v0.7.8 [bbf7d656] CommonSubexpressions v0.3.1 [34da2185] Compat v4.18.1 [187b0558] ConstructionBase v1.6.0 [9a962f9c] DataAPI v1.16.0 [e2d170a0] DataValueInterfaces v1.0.0 [163ba53b] DiffResults v1.1.0 [b552c78f] DiffRules v1.15.1 [ffbed154] DocStringExtensions v0.9.5 [e30172f5] Documenter v1.16.1 [e2ba6199] ExprTools v0.1.10 [1a297f60] FillArrays v1.16.0 [26cc04aa] FiniteDifferences v0.12.33 ⌅ [f6369f11] ForwardDiff v0.10.39 [069b7b12] FunctionWrappers v1.1.3 [d9f16b24] Functors v0.5.2 [0c68f7d7] GPUArrays v11.3.4 [46192b85] GPUArraysCore v0.2.0 [d7ba0133] Git v1.5.0 [076d061b] HashArrayMappedTries v0.2.0 [b5f81e59] IOCapture v1.0.0 [7869d1d1] IRTools v0.4.15 [92d709cd] IrrationalConstants v0.2.6 [82899510] IteratorInterfaceExtensions v1.0.0 [692b3bcd] JLLWrappers v1.7.1 [682c06a0] JSON v1.4.0 [63c18a36] KernelAbstractions v0.9.39 [929cbde3] LLVM v9.4.4 [0e77f7df] LazilyInitializedFields v1.3.0 [2ab3a3ac] LogExpFunctions v0.3.29 [1914dd2f] MacroTools v0.5.16 [d0879d2d] MarkdownAST v0.1.2 ⌃ [872c559c] NNlib v0.9.31 [77ba4419] NaNMath v1.1.3 [3bd65402] Optimisers v0.4.7 [bac558e1] OrderedCollections v1.8.1 [69de0a69] Parsers v2.8.3 [aea7be01] PrecompileTools v1.3.3 [21216c6a] Preferences v1.5.1 [c1ae055f] RealDot v0.1.0 [189a3867] Reexport v1.2.2 [2792f1a3] RegistryInstances v0.1.0 [ae029012] Requires v1.3.1 [37e2e3b7] ReverseDiff v1.16.2 [708f8203] Richardson v1.4.2 [7e506255] ScopedValues v1.5.0 [dc90abb0] SparseInverseSubset v0.1.2 [276daf66] SpecialFunctions v2.6.1 [90137ffa] StaticArrays v1.9.16 [1e83bf80] StaticArraysCore v1.4.4 [10745b16] Statistics v1.11.1 [09ab397b] StructArrays v0.7.2 [ec057cc2] StructUtils v2.6.2 [3783bdb8] TableTraits v1.0.1 [bd369af6] Tables v1.12.1 [9f7883ad] Tracker v0.2.38 [3bb67fe8] TranscodingStreams v0.11.3 [013be700] UnsafeAtomics v0.3.0 ⌅ [e88e6eb3] Zygote v0.6.77 [700de1a5] ZygoteRules v0.2.7 [2e619515] Expat_jll v2.7.3+0 [020c3dae] Git_LFS_jll v3.7.0+0 [f8c6e375] Git_jll v2.52.0+0 [dad2f222] LLVMExtra_jll v0.0.38+0 [94ce4f54] Libiconv_jll v1.18.0+0 [9bd350c2] OpenSSH_jll v10.2.1+0 [efe28fd5] OpenSpecFun_jll v0.5.6+0 [0dad84c5] ArgTools v1.1.2 [56f22d72] Artifacts v1.11.0 [2a0f44e3] Base64 v1.11.0 [ade2ca70] Dates v1.11.0 [8ba89e20] Distributed v1.11.0 [f43a241f] Downloads v1.7.0 [7b1f6079] FileWatching v1.11.0 [b77e0a4c] InteractiveUtils v1.11.0 [ac6e5ff7] JuliaSyntaxHighlighting v1.12.0 [4af54fe1] LazyArtifacts v1.11.0 [b27032c2] LibCURL v0.6.4 [76f85450] LibGit2 v1.11.0 [8f399da3] Libdl v1.11.0 [37e2e46d] LinearAlgebra v1.12.0 [56ddb016] Logging v1.11.0 [d6f4376e] Markdown v1.11.0 [ca575930] NetworkOptions v1.3.0 [44cfe95a] Pkg v1.12.1 [de0858da] Printf v1.11.0 [3fa0cd96] REPL v1.11.0 [9a3f8284] Random v1.11.0 [ea8e919c] SHA v0.7.0 [9e88b42a] Serialization v1.11.0 [6462fe0b] Sockets v1.11.0 [2f01184e] SparseArrays v1.12.0 [f489334b] StyledStrings v1.11.0 [4607b0f0] SuiteSparse [fa267f1f] TOML v1.0.3 [a4e569a6] Tar v1.10.0 [8dfed614] Test v1.11.0 [cf7118a7] UUIDs v1.11.0 [4ec0a83e] Unicode v1.11.0 [e66e0078] CompilerSupportLibraries_jll v1.3.0+1 [deac9b47] LibCURL_jll v8.15.0+0 [e37daf67] LibGit2_jll v1.9.0+0 [29816b5a] LibSSH2_jll v1.11.3+1 [14a3606d] MozillaCACerts_jll v2025.11.4 [4536629a] OpenBLAS_jll v0.3.29+0 [05823500] OpenLibm_jll v0.8.7+0 [458c3c95] OpenSSL_jll v3.5.4+0 [efcefdf7] PCRE2_jll v10.44.0+1 [bea87d4a] SuiteSparse_jll v7.8.3+2 [83775a58] Zlib_jll v1.3.1+2 [8e850b90] libblastrampoline_jll v5.15.0+0 [8e850ede] nghttp2_jll v1.64.0+1 [3f19e933] p7zip_jll v17.7.0+0 Info Packages marked with ⌃ and ⌅ have new versions available. Those with ⌃ may be upgradable, but those with ⌅ are restricted by compatibility constraints from upgrading. Testing Running tests... ┌ Warning: Unable to determine HTML(edit_link = ...) from remote HEAD branch, defaulting to "master". │ Calling `git remote` failed with an exception. Set JULIA_DEBUG=Documenter to see the error. │ Unless this is due to a configuration error, the relevant variable should be set explicitly. └ @ Documenter ~/.julia/packages/Documenter/xvqbW/src/utilities/utilities.jl:680 [ Info: SetupBuildDirectory: setting up build directory. [ Info: Doctest: running doctests. ┌ Error: doctest failure in ../docs/src/user_guide.md:21-30 │ │ ```jldoctest │ julia> import AbstractDifferentiation as AD, Zygote │ │ julia> backend = AD.ZygoteBackend(); │ │ julia> f(x) = log(sum(exp, x)); │ │ julia> AD.gradient(backend, f, collect(1:3)) │ ([0.09003057317038046, 0.2447284710547977, 0.665240955774822],) │ ``` │ │ Subexpression: │ │ import AbstractDifferentiation as AD, Zygote │ │ Evaluated output: │ │ Precompiling packages... │ 21249.9 ms ✓ StaticArrays │ 1554.9 ms ✓ OpenSpecFun_jll │ 4290.9 ms ✓ LazyArtifacts │ 4480.5 ms ✓ StaticArrays → StaticArraysChainRulesCoreExt │ 1437.1 ms ✓ StaticArrays → StaticArraysStatisticsExt │ 1465.4 ms ✓ FillArrays → FillArraysStaticArraysExt │ 1462.9 ms ✓ ConstructionBase → ConstructionBaseStaticArraysExt │ 1396.3 ms ✓ Adapt → AdaptStaticArraysExt │ 4441.7 ms ✓ StructArrays → StructArraysStaticArraysExt │ 7361.4 ms ✓ SpecialFunctions │ 5145.6 ms ✓ LLVMExtra_jll │ 12113.4 ms ✓ KernelAbstractions │ 4510.2 ms ✓ SpecialFunctions → SpecialFunctionsChainRulesCoreExt │ 12082.2 ms ✓ ForwardDiff │ 16062.6 ms ✓ LLVM │ 2924.9 ms ✓ KernelAbstractions → SparseArraysExt │ 2363.6 ms ✓ KernelAbstractions → LinearAlgebraExt │ 2493.4 ms ✓ StructArrays → StructArraysGPUArraysCoreExt │ 4170.0 ms ✓ ForwardDiff → ForwardDiffStaticArraysExt │ 5430.4 ms ✓ UnsafeAtomics → UnsafeAtomicsLLVM │ 17001.5 ms ✓ GPUArrays │ 76271.8 ms ✓ Zygote │ 22 dependencies successfully precompiled in 210 seconds. 84 already precompiled. │ Precompiling packages... │ 858.8 ms ✓ StructUtils → StructUtilsTablesExt │ 1 dependency successfully precompiled in 1 seconds. 11 already precompiled. │ Precompiling packages... │ 6729.3 ms ✓ AbstractDifferentiation → AbstractDifferentiationForwardDiffExt │ 1 dependency successfully precompiled in 7 seconds. 24 already precompiled. │ Precompiling packages... │ 4199.5 ms ✓ StructArrays → StructArraysStaticArraysExt │ 2436.0 ms ✓ StructArrays → StructArraysGPUArraysCoreExt │ 4616.3 ms ✓ AbstractDifferentiation → AbstractDifferentiationZygoteExt │ 3 dependencies successfully precompiled in 12 seconds. 108 already precompiled. │ │ Expected output: │ │ │ │ diff = │ Warning: Diff output requires color. │ Precompiling packages... │ 21249.9 ms ✓ StaticArrays │ 1554.9 ms ✓ OpenSpecFun_jll │ 4290.9 ms ✓ LazyArtifacts │ 4480.5 ms ✓ StaticArrays → StaticArraysChainRulesCoreExt │ 1437.1 ms ✓ StaticArrays → StaticArraysStatisticsExt │ 1465.4 ms ✓ FillArrays → FillArraysStaticArraysExt │ 1462.9 ms ✓ ConstructionBase → ConstructionBaseStaticArraysExt │ 1396.3 ms ✓ Adapt → AdaptStaticArraysExt │ 4441.7 ms ✓ StructArrays → StructArraysStaticArraysExt │ 7361.4 ms ✓ SpecialFunctions │ 5145.6 ms ✓ LLVMExtra_jll │ 12113.4 ms ✓ KernelAbstractions │ 4510.2 ms ✓ SpecialFunctions → SpecialFunctionsChainRulesCoreExt │ 12082.2 ms ✓ ForwardDiff │ 16062.6 ms ✓ LLVM │ 2924.9 ms ✓ KernelAbstractions → SparseArraysExt │ 2363.6 ms ✓ KernelAbstractions → LinearAlgebraExt │ 2493.4 ms ✓ StructArrays → StructArraysGPUArraysCoreExt │ 4170.0 ms ✓ ForwardDiff → ForwardDiffStaticArraysExt │ 5430.4 ms ✓ UnsafeAtomics → UnsafeAtomicsLLVM │ 17001.5 ms ✓ GPUArrays │ 76271.8 ms ✓ Zygote │ 22 dependencies successfully precompiled in 210 seconds. 84 already precompiled. │ Precompiling packages... │ 858.8 ms ✓ StructUtils → StructUtilsTablesExt │ 1 dependency successfully precompiled in 1 seconds. 11 already precompiled. │ Precompiling packages... │ 6729.3 ms ✓ AbstractDifferentiation → AbstractDifferentiationForwardDiffExt │ 1 dependency successfully precompiled in 7 seconds. 24 already precompiled. │ Precompiling packages... │ 4199.5 ms ✓ StructArrays → StructArraysStaticArraysExt │ 2436.0 ms ✓ StructArrays → StructArraysGPUArraysCoreExt │ 4616.3 ms ✓ AbstractDifferentiation → AbstractDifferentiationZygoteExt │ 3 dependencies successfully precompiled in 12 seconds. 108 already precompiled. └ @ Documenter ~/.julia/packages/AbstractDifferentiation/RGmzD/docs/src/user_guide.md:21 ┌ Error: Doctesting failed │ exception = │ `makedocs` encountered a doctest error. Terminating build │ Stacktrace: │ [1] error(s::String) │ @ Base ./error.jl:44 │ [2] runner(::Type{Documenter.Builder.Doctest}, doc::Documenter.Document) │ @ Documenter ~/.julia/packages/Documenter/xvqbW/src/builder_pipeline.jl:213 │ [3] dispatch(::Type{Documenter.Builder.DocumentPipeline}, x::Documenter.Document) │ @ Documenter.Selectors ~/.julia/packages/Documenter/xvqbW/src/utilities/Selectors.jl:170 │ [4] #89 │ @ ~/.julia/packages/Documenter/xvqbW/src/makedocs.jl:283 [inlined] │ [5] withenv(::Documenter.var"#89#90"{Documenter.Document}, ::Pair{String, Nothing}, ::Vararg{Pair{String, Nothing}}) │ @ Base ./env.jl:265 │ [6] #87 │ @ ~/.julia/packages/Documenter/xvqbW/src/makedocs.jl:282 [inlined] │ [7] cd(f::Documenter.var"#87#88"{Documenter.Document}, dir::String) │ @ Base.Filesystem ./file.jl:112 │ [8] makedocs(; debug::Bool, format::Documenter.HTMLWriter.HTML, kwargs::@Kwargs{root::String, source::String, sitename::String, doctest::Symbol, modules::Vector{Module}, doctestfilters::Vector{Regex}, remotes::Nothing, plugins::Vector{Documenter.Plugin}}) │ @ Documenter ~/.julia/packages/Documenter/xvqbW/src/makedocs.jl:281 │ [9] (::Documenter.var"#all_doctests#141"{Bool, Vector{Regex}, Vector{Documenter.Plugin}, Vector{Module}})() │ @ Documenter ~/.julia/packages/Documenter/xvqbW/src/doctest.jl:85 │ [10] macro expansion │ @ ~/.julia/packages/Documenter/xvqbW/src/doctest.jl:110 [inlined] │ [11] macro expansion │ @ /opt/julia/share/julia/stdlib/v1.12/Test/src/Test.jl:677 [inlined] │ [12] macro expansion │ @ ~/.julia/packages/Documenter/xvqbW/src/doctest.jl:110 [inlined] │ [13] macro expansion │ @ /opt/julia/share/julia/stdlib/v1.12/Test/src/Test.jl:1776 [inlined] │ [14] doctest(source::String, modules::Vector{Module}; fix::Bool, testset::String, doctestfilters::Vector{Regex}, plugins::Vector{Documenter.Plugin}) │ @ Documenter ~/.julia/packages/Documenter/xvqbW/src/doctest.jl:110 │ [15] doctest │ @ ~/.julia/packages/Documenter/xvqbW/src/doctest.jl:69 [inlined] │ [16] doctest(package::Module; manual::Bool, testset::Nothing, kwargs::@Kwargs{}) │ @ Documenter ~/.julia/packages/Documenter/xvqbW/src/doctest.jl:37 │ [17] doctest(package::Module) │ @ Documenter ~/.julia/packages/Documenter/xvqbW/src/doctest.jl:20 │ [18] top-level scope │ @ ~/.julia/packages/AbstractDifferentiation/RGmzD/test/runtests.jl:6 │ [19] macro expansion │ @ /opt/julia/share/julia/stdlib/v1.12/Test/src/Test.jl:1776 [inlined] │ [20] macro expansion │ @ ~/.julia/packages/AbstractDifferentiation/RGmzD/test/runtests.jl:6 [inlined] │ [21] include(mapexpr::Function, mod::Module, _path::String) │ @ Base ./Base.jl:307 │ [22] top-level scope │ @ none:6 │ [23] eval(m::Module, e::Any) │ @ Core ./boot.jl:489 │ [24] exec_options(opts::Base.JLOptions) │ @ Base ./client.jl:283 │ [25] _start() │ @ Base ./client.jl:550 └ @ Documenter ~/.julia/packages/Documenter/xvqbW/src/doctest.jl:99 Doctests: AbstractDifferentiation: Test Failed at /home/pkgeval/.julia/packages/Documenter/xvqbW/src/doctest.jl:110 Expression: all_doctests() Stacktrace: [1] macro expansion @ /opt/julia/share/julia/stdlib/v1.12/Test/src/Test.jl:680 [inlined] [2] macro expansion @ ~/.julia/packages/Documenter/xvqbW/src/doctest.jl:110 [inlined] [3] macro expansion @ /opt/julia/share/julia/stdlib/v1.12/Test/src/Test.jl:1776 [inlined] [4] doctest(source::String, modules::Vector{Module}; fix::Bool, testset::String, doctestfilters::Vector{Regex}, plugins::Vector{Documenter.Plugin}) @ Documenter ~/.julia/packages/Documenter/xvqbW/src/doctest.jl:110 Precompiling packages... 5564.7 ms ✓ FiniteDifferences 1 dependency successfully precompiled in 6 seconds. 18 already precompiled. Precompiling packages... 2013.6 ms ✓ AbstractDifferentiation → AbstractDifferentiationFiniteDifferencesExt 1 dependency successfully precompiled in 2 seconds. 23 already precompiled. Precompiling packages... 51272.4 ms ✓ ReverseDiff 1 dependency successfully precompiled in 51 seconds. 33 already precompiled. Precompiling packages... 10019.9 ms ✓ AbstractDifferentiation → AbstractDifferentiationReverseDiffExt 1 dependency successfully precompiled in 10 seconds. 39 already precompiled. Precompiling packages... 15370.1 ms ✓ NNlib 2971.6 ms ✓ NNlib → NNlibForwardDiffExt 2654.9 ms ✓ NNlib → NNlibSpecialFunctionsExt 19618.9 ms ✓ Tracker 4 dependencies successfully precompiled in 41 seconds. 54 already precompiled. Precompiling packages... 8400.4 ms ✓ AbstractDifferentiation → AbstractDifferentiationTrackerExt 1 dependency successfully precompiled in 9 seconds. 62 already precompiled. Precompiling packages... 8143.6 ms ✓ Zygote → ZygoteTrackerExt 1 dependency successfully precompiled in 9 seconds. 113 already precompiled. Test Summary: | Pass Fail Total Time AbstractDifferentiation.jl | 2096 1 2097 29m49.8s Doctests: AbstractDifferentiation | 1 1 5m27.5s defaults | 922 922 12m10.8s ForwardDiffBackend | 352 352 3m06.5s ReverseDiffBackend | 175 175 45.8s FiniteDifferencesBackend | 351 351 1m50.4s TrackerBackend | 139 139 46.2s ReverseRuleConfigBackend(ZygoteRuleConfig()) | 157 157 2m08.3s RNG of the outermost testset: Xoshiro(0x40affd3e366e09b4, 0x9461f86c739e690d, 0x7877668327b24cb3, 0xc5431a3535c258da, 0xbd009e87d0153250) ERROR: LoadError: Some tests did not pass: 2096 passed, 1 failed, 0 errored, 0 broken. in expression starting at /home/pkgeval/.julia/packages/AbstractDifferentiation/RGmzD/test/runtests.jl:5 Testing failed after 1809.98s ERROR: LoadError: Package AbstractDifferentiation errored during testing Stacktrace: [1] pkgerror(msg::String) @ Pkg.Types /opt/julia/share/julia/stdlib/v1.12/Pkg/src/Types.jl:68 [2] test(ctx::Pkg.Types.Context, pkgs::Vector{PackageSpec}; coverage::Bool, julia_args::Cmd, test_args::Cmd, test_fn::Nothing, force_latest_compatible_version::Bool, allow_earlier_backwards_compatible_versions::Bool, allow_reresolve::Bool) @ Pkg.Operations /opt/julia/share/julia/stdlib/v1.12/Pkg/src/Operations.jl:2535 [3] test @ /opt/julia/share/julia/stdlib/v1.12/Pkg/src/Operations.jl:2384 [inlined] [4] test(ctx::Pkg.Types.Context, pkgs::Vector{PackageSpec}; coverage::Bool, test_fn::Nothing, julia_args::Cmd, test_args::Cmd, force_latest_compatible_version::Bool, allow_earlier_backwards_compatible_versions::Bool, allow_reresolve::Bool, kwargs::@Kwargs{io::IOContext{IO}}) @ Pkg.API /opt/julia/share/julia/stdlib/v1.12/Pkg/src/API.jl:538 [5] test(pkgs::Vector{PackageSpec}; io::IOContext{IO}, kwargs::@Kwargs{julia_args::Cmd}) @ Pkg.API /opt/julia/share/julia/stdlib/v1.12/Pkg/src/API.jl:169 [6] test(pkgs::Vector{String}; kwargs::@Kwargs{julia_args::Cmd}) @ Pkg.API /opt/julia/share/julia/stdlib/v1.12/Pkg/src/API.jl:157 [7] test @ /opt/julia/share/julia/stdlib/v1.12/Pkg/src/API.jl:157 [inlined] [8] #test#81 @ /opt/julia/share/julia/stdlib/v1.12/Pkg/src/API.jl:156 [inlined] [9] top-level scope @ /PkgEval.jl/scripts/evaluate.jl:223 [10] include(mod::Module, _path::String) @ Base ./Base.jl:306 [11] exec_options(opts::Base.JLOptions) @ Base ./client.jl:317 [12] _start() @ Base ./client.jl:550 in expression starting at /PkgEval.jl/scripts/evaluate.jl:214 PkgEval failed after 2164.32s: package has test failures