ATOMS system is broken in Scilab 6 on disco

[Norbert]

Steps to reproduce:
1. Install Ubuntu 19.04 from daily iso
2. Install Scilab with `sudo apt install scilab`
3. Launch Scilab from terminal with `scilab`
4. Try to update ATOMS cache from scilab's console with `atomsSystemUpdate()`

Expected results:
* ATOMS system is updated successfully

Actual results:
* ATOMS system is not updated, got errors:

Startup execution:
  loading initial environment

-->atomsSystemUpdate()
Scanning repository http://atoms.scilab.org/6.0 ... Done

at line 265 of function atomsDESCRIPTIONget ( /usr/share/scilab/modules/atoms/macros/atoms_internals/atomsDESCRIPTIONget.sci line 284 )
at line 16 of function atomsSystemUpdate ( /usr/share/scilab/modules/atoms/macros/atomsSystemUpdate.sci line 33 )

atomsDESCRIPTIONget: save ('/home/user/.Scilab/scilab-6.0.1/.atoms/packages') has failed.

HDF5-DIAG: Error detected in HDF5 (1.10.4) thread 139786582997504:
  #000: ../../../src/H5G.c line 548 in H5Gget_info(): invalid argument
    major: Invalid arguments to routine
    minor: Bad value
HDF5-DIAG: Error detected in HDF5 (1.10.4) thread 139786582997504:
  #000: ../../../src/H5G.c line 299 in H5Gcreate2(): not a location
    major: Invalid arguments to routine
    minor: Inappropriate type
  #001: ../../../src/H5Gloc.c line 246 in H5G_loc(): invalid object ID
    major: Invalid arguments to routine
    minor: Bad value
HDF5-DIAG: Error detected in HDF5 (1.10.4) thread 139786582997504:
  #000: ../../../src/H5A.c line 263 in H5Acreate2(): not a location
    major: Invalid arguments to routine
    minor: Inappropriate type
  #001: ../../../src/H5Gloc.c line 246 in H5G_loc(): invalid object ID
    major: Invalid arguments to routine
    minor: Bad value
HDF5-DIAG: Error detected in HDF5 (1.10.4) thread 139786582997504:
  #000: ../../../src/H5D.c line 119 in H5Dcreate2(): not a location ID
    major: Invalid arguments to routine
    minor: Inappropriate type
  #001: ../../../src/H5Gloc.c line 246 in H5G_loc(): invalid object ID
    major: Invalid arguments to routine
    minor: Bad value
HDF5-DIAG: Error detected in HDF5 (1.10.4) thread 139786582997504:
  #000: ../../../src/H5F.c line 664 in H5Fclose(): not a file ID
    major: File accessibilty
    minor: Inappropriate type

ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: scilab 6.0.1-7build2
ProcVersionSignature: Ubuntu 4.19.0-13.14-generic 4.19.20
Uname: Linux 4.19.0-13-generic x86_64
ApportVersion: 2.20.10-0ubuntu23
Architecture: amd64
CurrentDesktop: MATE
Date: Sun Mar 10 18:37:14 2019
InstallationDate: Installed on 2019-01-28 (41 days ago)
InstallationMedia: Ubuntu-MATE 19.04 "Disco Dingo" - Alpha amd64 (20190128)
PackageArchitecture: all
SourcePackage: scilab
UpgradeStatus: No upgrade log present (probably fresh install)