following this post I managed to update julia-client. Alla packages are updated but D.E.:
julia> using Pkg
julia> Pkg.update()
Updating registry at `~/.julia/registries/General`
Updating git-repo `https://github.com/JuliaRegistries/General.git`
Installed UnPack ────────────── v1.0.0
Installed Unitful ───────────── v1.2.0
Installed CSTParser ─────────── v2.3.0
Installed DelayDiffEq ───────── v5.24.1
Installed BandedMatrices ────── v0.15.8
Installed DiffEqBase ────────── v6.32.2
Installed OrdinaryDiffEq ────── v5.36.1
Installed LightGraphs ───────── v1.3.3
Installed Parameters ────────── v0.12.1
Installed Compat ────────────── v3.9.1
Installed ArrayLayouts ──────── v0.3.1
Installed DiffEqJump ────────── v6.6.3
Installed RecursiveArrayTools ─ v2.3.2
Installed WebIO ─────────────── v0.8.14
Installed StochasticDiffEq ──── v6.20.0
Installed FillArrays ────────── v0.8.9
Installed ModelingToolkit ───── v2.0.0
Installed JuliaInterpreter ──── v0.7.15
Updating `~/.julia/environments/v1.4/Project.toml`
[aae01518] ↑ BandedMatrices v0.15.7 ⇒ v0.15.8
Updating `~/.julia/environments/v1.4/Manifest.toml`
[4c555306] ↑ ArrayLayouts v0.2.6 ⇒ v0.3.1
[aae01518] ↑ BandedMatrices v0.15.7 ⇒ v0.15.8
[00ebfdb7] ↑ CSTParser v2.2.1 ⇒ v2.3.0
[34da2185] ↑ Compat v3.9.0 ⇒ v3.9.1
[bcd4f6db] ↑ DelayDiffEq v5.23.0 ⇒ v5.24.1
[2b5f629d] ↑ DiffEqBase v6.32.1 ⇒ v6.32.2
[c894b116] ↑ DiffEqJump v6.6.2 ⇒ v6.6.3
[1a297f60] ↑ FillArrays v0.8.8 ⇒ v0.8.9
[59287772] + Formatting v0.4.1
[aa1ae85d] ↑ JuliaInterpreter v0.7.14 ⇒ v0.7.15
[23fbe1c1] ↑ Latexify v0.12.0 ⇒ v0.13.1
[093fc24a] ↑ LightGraphs v1.3.2 ⇒ v1.3.3
[961ee093] ↓ ModelingToolkit v3.1.1 ⇒ v2.0.0
[1dea7af3] ↑ OrdinaryDiffEq v5.35.5 ⇒ v5.36.1
[d96e819e] ↑ Parameters v0.12.0 ⇒ v0.12.1
[731186ca] ↑ RecursiveArrayTools v2.3.1 ⇒ v2.3.2
[789caeaf] ↑ StochasticDiffEq v6.19.2 ⇒ v6.20.0
[3a884ed6] ↑ UnPack v0.1.0 ⇒ v1.0.0
[1986cc42] ↑ Unitful v1.1.0 ⇒ v1.2.0
[0f1e0344] ↑ WebIO v0.8.11 ⇒ v0.8.14
Building WebIO → `~/.julia/packages/WebIO/nTMDV/deps/build.log`
julia> using DifferentialEquations
[ Info: Precompiling DifferentialEquations [0c46a032-eb83-5123-abaf-570d42b7fbaa]
signal (7): Bus error
in expression starting at /home/marongiuluigi/.julia/packages/Sundials_jll/bDgRw/src/Sundials_jll.jl:40
unknown function (ip: 0x7d385373012a)
_ZN4llvm15RuntimeDyldImpl11emitSectionERKNS_6object10ObjectFileERKNS1_10SectionRefEb at /opt/Julia/bin/../lib/julia/libLLVM-8jl.so (unknown line)
_ZN4llvm15RuntimeDyldImpl17findOrEmitSectionERKNS_6object10ObjectFileERKNS1_10SectionRefEbRSt3mapIS5_jSt4lessIS5_ESaISt4pairIS6_jEEE at /opt/Julia/bin/../lib/julia/libLLVM-8jl.so (unknown line)
_ZN4llvm15RuntimeDyldImpl14loadObjectImplERKNS_6object10ObjectFileE at /opt/Julia/bin/../lib/julia/libLLVM-8jl.so (unknown line)
_ZN4llvm14RuntimeDyldELF10loadObjectERKNS_6object10ObjectFileE at /opt/Julia/bin/../lib/julia/libLLVM-8jl.so (unknown line)
_ZN4llvm11RuntimeDyld10loadObjectERKNS_6object10ObjectFileE at /opt/Julia/bin/../lib/julia/libLLVM-8jl.so (unknown line)
finalize at /buildworker/worker/package_linux64/build/usr/include/llvm/ExecutionEngine/Orc/RTDyldObjectLinkingLayer.h:230
emitAndFinalize at /buildworker/worker/package_linux64/build/usr/include/llvm/ExecutionEngine/Orc/RTDyldObjectLinkingLayer.h:440 [inlined]
emitAndFinalize at /buildworker/worker/package_linux64/build/usr/include/llvm/ExecutionEngine/Orc/IRCompileLayer.h:118 [inlined]
addModule at /buildworker/worker/package_linux64/build/src/jitlayers.cpp:498
jl_add_to_ee at /buildworker/worker/package_linux64/build/src/jitlayers.cpp:747 [inlined]
jl_finalize_function at /buildworker/worker/package_linux64/build/src/jitlayers.cpp:755
getAddressForFunction at /buildworker/worker/package_linux64/build/src/codegen.cpp:1414
jl_generate_fptr at /buildworker/worker/package_linux64/build/src/codegen.cpp:1510
jl_compile_method_internal at /buildworker/worker/package_linux64/build/src/gf.c:1912
_jl_invoke at /buildworker/worker/package_linux64/build/src/gf.c:2153 [inlined]
jl_apply_generic at /buildworker/worker/package_linux64/build/src/gf.c:2322
grow_to! at ./dict.jl:143
dict_with_eltype at ./abstractdict.jl:549 [inlined]
Dict at ./dict.jl:128
_jl_invoke at /buildworker/worker/package_linux64/build/src/gf.c:2158 [inlined]
jl_apply_generic at /buildworker/worker/package_linux64/build/src/gf.c:2322
jl_apply at /buildworker/worker/package_linux64/build/src/julia.h:1700 [inlined]
do_call at /buildworker/worker/package_linux64/build/src/interpreter.c:369
eval_value at /buildworker/worker/package_linux64/build/src/interpreter.c:458
eval_stmt_value at /buildworker/worker/package_linux64/build/src/interpreter.c:409 [inlined]
eval_body at /buildworker/worker/package_linux64/build/src/interpreter.c:817
jl_interpret_toplevel_thunk at /buildworker/worker/package_linux64/build/src/interpreter.c:911
jl_toplevel_eval_flex at /buildworker/worker/package_linux64/build/src/toplevel.c:814
jl_eval_module_expr at /buildworker/worker/package_linux64/build/src/toplevel.c:181
jl_toplevel_eval_flex at /buildworker/worker/package_linux64/build/src/toplevel.c:640
jl_parse_eval_all at /buildworker/worker/package_linux64/build/src/ast.c:872
jl_load at /buildworker/worker/package_linux64/build/src/toplevel.c:872
include at ./Base.jl:377
_jl_invoke at /buildworker/worker/package_linux64/build/src/gf.c:2144 [inlined]
jl_apply_generic at /buildworker/worker/package_linux64/build/src/gf.c:2322
jl_apply at /buildworker/worker/package_linux64/build/src/julia.h:1700 [inlined]
do_call at /buildworker/worker/package_linux64/build/src/interpreter.c:369
eval_value at /buildworker/worker/package_linux64/build/src/interpreter.c:458
eval_stmt_value at /buildworker/worker/package_linux64/build/src/interpreter.c:409 [inlined]
eval_body at /buildworker/worker/package_linux64/build/src/interpreter.c:817
eval_body at /buildworker/worker/package_linux64/build/src/interpreter.c:744
jl_interpret_toplevel_thunk at /buildworker/worker/package_linux64/build/src/interpreter.c:911
jl_toplevel_eval_flex at /buildworker/worker/package_linux64/build/src/toplevel.c:814
jl_toplevel_eval_in at /buildworker/worker/package_linux64/build/src/toplevel.c:843
eval at ./boot.jl:331 [inlined]
eval at ./client.jl:449
_jl_invoke at /buildworker/worker/package_linux64/build/src/gf.c:2144 [inlined]
jl_apply_generic at /buildworker/worker/package_linux64/build/src/gf.c:2322
top-level scope at ./none:3
jl_toplevel_eval_flex at /buildworker/worker/package_linux64/build/src/toplevel.c:808
jl_toplevel_eval_flex at /buildworker/worker/package_linux64/build/src/toplevel.c:764
jl_toplevel_eval_in at /buildworker/worker/package_linux64/build/src/toplevel.c:843
eval at ./boot.jl:331
_jl_invoke at /buildworker/worker/package_linux64/build/src/gf.c:2144 [inlined]
jl_apply_generic at /buildworker/worker/package_linux64/build/src/gf.c:2322
exec_options at ./client.jl:264
_start at ./client.jl:484
jfptr__start_2075 at /opt/Julia/lib/julia/sys.so (unknown line)
_jl_invoke at /buildworker/worker/package_linux64/build/src/gf.c:2144 [inlined]
jl_apply_generic at /buildworker/worker/package_linux64/build/src/gf.c:2322
jl_apply at /buildworker/worker/package_linux64/build/ui/../src/julia.h:1700 [inlined]
true_main at /buildworker/worker/package_linux64/build/ui/repl.c:96
main at /buildworker/worker/package_linux64/build/ui/repl.c:217
__libc_start_main at /lib/x86_64-linux-gnu/libc.so.6 (unknown line)
_start at /opt/Julia/bin/julia (unknown line)
Allocations: 830485 (Pool: 830254; Big: 231); GC: 1
ERROR: LoadError: Failed to precompile Sundials [c3572dad-4567-51f8-b174-8c6c989267f4] to /home/marongiuluigi/.julia/compiled/v1.4/Sundials/j8Ppj_dUdWO.ji.
Stacktrace:
[1] error(::String) at ./error.jl:33
[2] compilecache(::Base.PkgId, ::String) at ./loading.jl:1272
[3] _require(::Base.PkgId) at ./loading.jl:1029
[4] require(::Base.PkgId) at ./loading.jl:927
[5] require(::Module, ::Symbol) at ./loading.jl:922
[6] include(::Module, ::String) at ./Base.jl:377
[7] top-level scope at none:2
[8] eval at ./boot.jl:331 [inlined]
[9] eval(::Expr) at ./client.jl:449
[10] top-level scope at ./none:3
in expression starting at /home/marongiuluigi/.julia/packages/DifferentialEquations/xCZD1/src/DifferentialEquations.jl:13
ERROR: Failed to precompile DifferentialEquations [0c46a032-eb83-5123-abaf-570d42b7fbaa] to /home/marongiuluigi/.julia/compiled/v1.4/DifferentialEquations/UQdwS_dUdWO.ji.
Stacktrace:
[1] error(::String) at ./error.jl:33
[2] compilecache(::Base.PkgId, ::String) at ./loading.jl:1272
[3] _require(::Base.PkgId) at ./loading.jl:1029
[4] require(::Base.PkgId) at ./loading.jl:927
[5] require(::Module, ::Symbol) at ./loading.jl:922
julia>