On Ubuntu 18.04 with python3.8.0 installed, testing few optional and 
external packages, I obtain:

Using 
--optional=4ti2,cbc,ccache,cryptominisat,database_jones_numfield,debian,dot2tex,e_antic,external,fricas,glucose,latte_int,libnauty,lidia,lrslib,memlimit,normaliz,notedown,pandoc_attributes,pip,pycosat,pynormaliz,rst2ipynb,sage,sage_numerical_backends_coin,sage_spkg

----------------------------------------------------------------------
sage -t --long --warn-long 50.3 --random-seed=0 
src/sage/databases/findstat.py  # 2 doctests failed
sage -t --long --warn-long 50.3 --random-seed=0 
src/sage/interfaces/singular.py  # Killed due to segmentation fault
sage -t --long --warn-long 50.3 --random-seed=0 
src/sage/lfunctions/sympow.py  # 4 doctests failed
sage -t --long --warn-long 50.3 --random-seed=0 
src/sage/schemes/elliptic_curves/ell_rational_field.py  # 2 doctests failed
----------------------------------------------------------------------
External software detected for doctesting: 
ffmpeg,graphviz,imagemagick,internet,latex,octave,pandoc

Retesting failed tests, the singular issue does not reproduce:

----------------------------------------------------------------------
sage -t --long --warn-long 50.9 --random-seed=0 
src/sage/databases/findstat.py  # 2 doctests failed
sage -t --long --warn-long 50.9 --random-seed=0 
src/sage/lfunctions/sympow.py  # 4 doctests failed
sage -t --long --warn-long 50.9 --random-seed=0 
src/sage/schemes/elliptic_curves/ell_rational_field.py  # 2 doctests failed
----------------------------------------------------------------------
External software detected for doctesting: internet

Meta-ticket Follow up at: https://trac.sagemath.org/ticket/25536
The findstat issue already has a positive review at 
https://trac.sagemath.org/ticket/30630
The issues with sympow.py  and ell_rational_field.py are similar 
(RuntimeError: failed to compute analytic rank) and are already tracked at 
https://trac.sagemath.org/ticket/30633. For example:

sage -t --long --warn-long 50.9 --random-seed=0 
src/sage/lfunctions/sympow.py
**********************************************************************
File "src/sage/lfunctions/sympow.py", line 275, in 
sage.lfunctions.sympow.Sympow.analytic_rank
Failed example:
    sympow.analytic_rank(EllipticCurve('11a'))
Exception raised:
    Traceback (most recent call last):
      File 
"/home/slabbe/GitBox/sage/local/lib/python3.8/site-packages/sage/doctest/forker.py",
 
line 720, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File 
"/home/slabbe/GitBox/sage/local/lib/python3.8/site-packages/sage/doctest/forker.py",
 
line 1145, in compile_and_execute
        exec(compiled, globs)
      File "<doctest sage.lfunctions.sympow.Sympow.analytic_rank[0]>", line 
1, in <module>
        sympow.analytic_rank(EllipticCurve('11a'))
      File 
"/home/slabbe/GitBox/sage/local/lib/python3.8/site-packages/sage/lfunctions/sympow.py",
 
line 297, in analytic_rank
        raise RuntimeError("failed to compute analytic rank")
    RuntimeError: failed to compute analytic rank
**********************************************************************

I can reproduce the issue on the command-line:

sage: 
sympow.analytic_rank(EllipticCurve('11a'))                                      
                                       
 
Segmentation fault
---------------------------------------------------------------------------
RuntimeError                              Traceback (most recent call last)
<ipython-input-1-8cf6df7248bc> in <module>
----> 1 sympow.analytic_rank(EllipticCurve('11a'))
~/GitBox/sage/local/lib/python3.8/site-packages/sage/lfunctions/sympow.py 
in analytic_rank(self, E)
    295         if i == -1:
    296             print(self._fix_err(v))
--> 297             raise RuntimeError("failed to compute analytic rank")
    298         j = v.rfind(':')
    299         r = sage.rings.all.Integer(v[i + len(s):j])
RuntimeError: failed to compute analytic rank

Am I alone to have this RuntimeError? 


On Sunday, November 1, 2020 at 2:07:18 AM UTC+1 Volker Braun wrote:

> As always, you can get the latest beta version from the "develop" git 
> branch. Alternatively, the self-contained source tarball is at 
> http://www.sagemath.org/download-latest.html 
>
>
> 2c87dc16f2 (tag: 9.3.beta0, trac/develop) Updated SageMath version to 
> 9.3.beta0
> f1e5538726 Trac #30806: refresh the ring of Schubert polynomials
> a0ed87e05c Trac #30802: build/bin/write-dockerfile.sh: Do not fail with 
> "build/pkgs/SPKG/type: No such file or directory"
> b3742db124 Trac #30799: Add Folder for Manifold Examples
> 5f8941ff4f Trac #30798: fixing low_degree and degree documentation for 
> symbolic expressions
> 2c3627aee1 Trac #30797: Bug in modular sqrt when extend is False and all 
> is True
> d138a96310 Trac #30791: Upgrade: OpenSSL 1.1.1h
> 8697200598 Trac #30785: tox.ini: Add gentoo-python3.9
> 67d812a384 Trac #30783: Sage thinks that I^(2/3) = -1
> 257a9b5677 Trac #30779: Duplicate src/setup.py
> 28037b8f1d Trac #30775: flake8 refresh for species/species.py
> 72383e4929 Trac #30774: use iterators inside call of .join for strings
> b71767ce20 Trac #30771: Repair self-containedness of the wrapped 
> spkg-install scripts for Python packages
> 50dae5f04c Trac #30769: Unify graph backends
> b709eda5b7 Trac #30759: allow double-sided limit from sympy
> 2292d96d02 Trac #30756: flake8 details in matroids
> 96d72df03a Trac #30754: refresh Cfinite sequences
> fa4ad137f1 Trac #30743: fix warnings and breaking conditions for neighbor 
> method
> 4a89f7abd4 Trac #30742: add giac algo for limits
> 3b8797ebf6 Trac #30736: replacing insecure git:// with secure https://
> e11372ba46 Trac #30732: combinat : changes about != empty list
> 9b8169f5d8 Trac #30718: build/pkgs/pynac/dependencies: Remove giac
> fbbb45c16a Trac #30599: Define a new data structure for a list of 
> combinatorial faces
> 7bc03473be Trac #30349: Downgrade broken optional packages to experimental 
> for Sage 9.2
> 7ce6353e30 Trac #30730: More random failures in 
> src/sage/interfaces/psage.py
> 7272e09fe6 Trac #30705: GH Actions: local-macos-nohomebrew - use sudo
> e44f7a099b Trac #30700: enhanced maple parser
> bb2b46a948 Trac #30689: make formatting doctests more lenient (follow-up 
> to #30515)
> 1b34ae5370 Trac #30681: Fast Pfaffian using Faddeev-LeVerrier
> c87746f50b Trac #30679: fix valuation of Puiseux series
> 104a3462e6 Trac #30672: Remove `sage/ext` from `sage_include_directories`
> 0e464c2c5f Trac #30670: full flake8 for lfunctions
> 5c5f9b5aa8 Trac #30669: Remove ambiguous conversions for fqf_orthogonal 
> groups
> 66131e0ced Trac #30667: allow construction of empty signed permutation
> fa3b68ef1d Trac #30665: Optimize edge iterator for graphs
> e124cc1eb0 Trac #30656: build/bin/sage-spkg-info: Fix up /bin/sh-ification
> 08a5f846be Trac #30655: power series sqrt : one bug
> 44d4a4b152 Trac #30652: Use Arb to evaluate polynomials with 
> integer/rational coefficients at balls
> e20c8b5cbb Trac #30636: failing doctest with optional tag octave
> 1f0db5f066 Trac #30598: Define a new data structure for a combinatorial 
> face
> cb017f813b Trac #30460: Star-Insertion
> 96caebb74a Trac #28711: Fix spkg-install of p_group_cohomology
> 08dfeffd34 Trac #28019: If system mpir is found, yasm should not  be built
> 51a5689ea1 Trac #27310: provide translation of multiple diff
> 1bed401ee4 Trac #25825: Move cremona db to features
> f4f4fcbe62 Trac #24483: complex_field.py complex_number.pyx -> 
> complex_mpfr.pyx
> 5c61ed0b14 Trac #23726: Find roots of polynomials in subrings of the base 
> ring by filtering
> c1b3bdd17e Trac #12529: libsingular reduces polynomials incompletely
> e6fc19b4a5 Trac #30734: slackware-minimal: system package fix
> 7a0b954b17 Trac #30729: Fix gap_packages for Xcode 12
> da1da0c8f3 Trac #30720: Fix gap_packages for gcc 10
> 4a57ff3786 Trac #30703: Fix libnauty spkg-configure.m4
> 85cd2df36d Trac #30588: singular: Remove python dependency, configure 
> --without-python (singular only supports python2)
> 9c1eef8986 Trac #30472: Change remaining all-caps SAGE to Sage
> fe238b0991 Trac #29557: Add script package _recommended and generate 
> "recommended system packages" info
> e23d94bf71 Trac #28974: F-strings (PEP 498) are not correctly handled by 
> Sage's preparser
> 480fa62e50 Trac #30803: Upgrade pybind11 to 2.6.0 to fix "critical 
> incompatibility with Python 3.9.0"
> 53285707f0 (tag: 9.2, trac/master) Updated SageMath version to 9.2
>
>

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