After upgrading my gcc, g++ and gfortran to 9, I managed to build and test 
with a bunch of optional and external packages. I get the following list of 
failures.

Using --optional=build,debian,external,glucose,pip,sage,sage_spkg
Features to be detected: 
4ti2,benzene,bliss,buckygen,conway_polynomials,cplex,csdp,database_cremona_ellcurve,database_cremona_mini_ellcurve,database_cubic_hecke,database_jones_numfield,database_knotinfo,dvipng,ffmpeg,gfan,graphviz,gurobi,imagemagick,internet,jupymake,kenzo,latex,latex_package_tkz_graph,latte_int,lrslib,lualatex,macaulay2,magma,maple,mathematica,matlab,mcqd,meataxe,msolve,nauty,octave,palp,pandoc,pdf2svg,pdflatex,pdftocairo,phitigra,plantri,polytopes_db,polytopes_db_4d,pynormaliz,python_igraph,rubiks,sage.combinat,sage.geometry.polyhedron,sage.graphs,sage.groups,sage.misc.cython,sage.plot,sage.rings.number_field,sage.rings.padics,sage.rings.real_double,sage.symbolic,sage_numerical_backends_coin,sagemath_doc_html,scilab,sphinx,tdlib,xelatex

[...]

----------------------------------------------------------------------
sage -t --long --random-seed=238569406710112349020221354198250099405 
src/doc/en/reference/sat/index.rst  # Killed due to abort
sage -t --long --random-seed=238569406710112349020221354198250099405 
src/sage/combinat/designs/ext_rep.py  # 1 doctest failed
sage -t --long --random-seed=238569406710112349020221354198250099405 
src/sage/crypto/mq/sr.py  # Killed due to abort
sage -t --long --random-seed=238569406710112349020221354198250099405 
src/sage/databases/findstat.py  # 2 doctests failed
sage -t --long --random-seed=238569406710112349020221354198250099405 
src/sage/databases/oeis.py  # 5 doctests failed
sage -t --long --random-seed=238569406710112349020221354198250099405 
src/sage/graphs/isgci.py  # 1 doctest failed
sage -t --long --random-seed=238569406710112349020221354198250099405 
src/sage/interfaces/octave.py  # 2 doctests failed
sage -t --long --random-seed=238569406710112349020221354198250099405 
src/sage/misc/latex.py  # 1 doctest failed
sage -t --long --random-seed=238569406710112349020221354198250099405 
src/sage/repl/interpreter.py  # 1 doctest failed
sage -t --long --random-seed=238569406710112349020221354198250099405 
src/sage/rings/polynomial/multi_polynomial_sequence.py  # Killed due to 
abort
sage -t --long --random-seed=238569406710112349020221354198250099405 
src/sage/rings/polynomial/pbori/PyPolyBoRi.py  # Killed due to abort
sage -t --long --random-seed=238569406710112349020221354198250099405 
src/sage/rings/polynomial/pbori/fglm.py  # Killed due to abort
sage -t --long --random-seed=238569406710112349020221354198250099405 
src/sage/rings/polynomial/pbori/pbori.pyx  # Killed due to abort
sage -t --long --random-seed=238569406710112349020221354198250099405 
src/sage/rings/polynomial/polynomial_ring_constructor.py  # Killed due to 
abort
sage -t --long --random-seed=238569406710112349020221354198250099405 
src/sage/sat/boolean_polynomials.py  # Killed due to abort
sage -t --long --random-seed=238569406710112349020221354198250099405 
src/sage/sat/solvers/dimacs.py  # Killed due to abort
sage -t --long --random-seed=238569406710112349020221354198250099405 
src/sage/tests/cmdline.py  # 1 doctest failed
----------------------------------------------------------------------
Features detected for doctesting: 
dvipng,ffmpeg,gfan,graphviz,imagemagick,internet,latex,latex_package_tkz_graph,lualatex,nauty,octave,palp,pandoc,pdf2svg,pdflatex,pdftocairo,sage.combinat,sage.geometry.polyhedron,sage.graphs,sage.groups,sage.misc.cython,sage.plot,sage.rings.number_field,sage.rings.padics,sage.rings.real_double,sage.symbolic,sagemath_doc_html,sphinx,xelatex

Failures include the following ones.
If I create a ticket to any of these, I will add them to 
https://trac.sagemath.org/ticket/25536

Doctest failures are copied below.

sage -t --long --random-seed=146716362555914503705358181125292828790 
src/sage/repl/interpreter.py
**********************************************************************
File "src/sage/repl/interpreter.py", line 662, in 
sage.repl.interpreter.get_test_shell
Failed example:
    out + err
Expected:
    ''
Got:
    '\x1b[0 q'
**********************************************************************
1 item had failures:
   1 of  10 in sage.repl.interpreter.get_test_shell
    3 macaulay2 tests not run
    7 not tested tests not run
    2 r tests not run
    0 tests not run because we ran out of time
    [137 tests, 1 failure, 3.25 s]
sage -t --long --random-seed=146716362555914503705358181125292828790 
src/sage/combinat/designs/ext_rep.py
**********************************************************************
File "src/sage/combinat/designs/ext_rep.py", line 555, in 
sage.combinat.designs.ext_rep.open_extrep_url
Failed example:
    s = 
ext_rep.designs_from_XML_url("http://designtheory.org/database/v-b-k/v3-b6-k2.icgsa.txt.bz2";)
 
# optional - internet
Exception raised:
    Traceback (most recent call last):
      File "/home/slabbe/GitBox/sage/src/sage/doctest/forker.py", line 695, 
in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/home/slabbe/GitBox/sage/src/sage/doctest/forker.py", line 
1093, in compile_and_execute
        exec(compiled, globs)
      File "<doctest sage.combinat.designs.ext_rep.open_extrep_url[7]>", 
line 1, in <module>
        s = 
ext_rep.designs_from_XML_url("http://designtheory.org/database/v-b-k/v3-b6-k2.icgsa.txt.bz2";)
 
# optional - internet
      File "/home/slabbe/GitBox/sage/src/sage/combinat/designs/ext_rep.py", 
line 1059, in designs_from_XML_url
        s = open_extrep_url(url)
      File "/home/slabbe/GitBox/sage/src/sage/combinat/designs/ext_rep.py", 
line 558, in open_extrep_url
        f = urlopen(url)
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/urllib/request.py",
 
line 216, in urlopen
        return opener.open(url, data, timeout)
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/urllib/request.py",
 
line 525, in open
        response = meth(req, response)
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/urllib/request.py",
 
line 634, in http_response
        response = self.parent.error(
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/urllib/request.py",
 
line 557, in error
        result = self._call_chain(*args)
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/urllib/request.py",
 
line 496, in _call_chain
        result = func(*args)
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/urllib/request.py",
 
line 749, in http_error_302
        return self.parent.open(new, timeout=req.timeout)
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/urllib/request.py",
 
line 519, in open
        response = self._open(req, data)
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/urllib/request.py",
 
line 536, in _open
        result = self._call_chain(self.handle_open, protocol, protocol +
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/urllib/request.py",
 
line 496, in _call_chain
        result = func(*args)
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/urllib/request.py",
 
line 1377, in http_open
        return self.do_open(http.client.HTTPConnection, req)
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/urllib/request.py",
 
line 1352, in do_open
        r = h.getresponse()
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/http/client.py",
 
line 1374, in getresponse
        response.begin()
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/http/client.py",
 
line 318, in begin
        version, status, reason = self._read_status()
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/http/client.py",
 
line 279, in _read_status
        line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1")
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/socket.py",
 
line 705, in readinto
        return self._sock.recv_into(b)
    ConnectionResetError: [Errno 104] Connection reset by peer
**********************************************************************
1 item had failures:
   1 of   9 in sage.combinat.designs.ext_rep.open_extrep_url
    0 tests not run because we ran out of time
    [102 tests, 1 failure, 18.64 s]
sage -t --long --random-seed=146716362555914503705358181125292828790 
src/sage/databases/findstat.py
**********************************************************************
File "src/sage/databases/findstat.py", line 1045, in 
sage.databases.findstat.?
Failed example:
    findstat("graphs", lambda g: g.diameter() if g.is_connected() else 
None, max_values=100, depth=0) # optional -- internet
Expected:
    0: St000259 (quality [100, 100])
Got:
    doctest:warning
      File "/home/slabbe/GitBox/sage/src/bin/sage-runtests", line 154, in 
<module>
        err = DC.run()
      File "/home/slabbe/GitBox/sage/src/sage/doctest/control.py", line 
1384, in run
        self.run_doctests()
      File "/home/slabbe/GitBox/sage/src/sage/doctest/control.py", line 
1059, in run_doctests
        self.dispatcher.dispatch()
      File "/home/slabbe/GitBox/sage/src/sage/doctest/forker.py", line 
2021, in dispatch
        self.parallel_dispatch()
      File "/home/slabbe/GitBox/sage/src/sage/doctest/forker.py", line 
1916, in parallel_dispatch
        w.start()  # This might take some time
      File "/home/slabbe/GitBox/sage/src/sage/doctest/forker.py", line 
2190, in start
        super().start()
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/process.py",
 
line 121, in start
        self._popen = self._Popen(self)
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/context.py",
 
line 224, in _Popen
        return _default_context.get_context().Process._Popen(process_obj)
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/context.py",
 
line 277, in _Popen
        return Popen(process_obj)
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/popen_fork.py",
 
line 19, in __init__
        self._launch(process_obj)
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/popen_fork.py",
 
line 71, in _launch
        code = process_obj._bootstrap(parent_sentinel=child_r)
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/process.py",
 
line 315, in _bootstrap
        self.run()
      File "/home/slabbe/GitBox/sage/src/sage/doctest/forker.py", line 
2162, in run
        task(self.options, self.outtmpfile, msgpipe, self.result_queue)
      File "/home/slabbe/GitBox/sage/src/sage/doctest/forker.py", line 
2492, in __call__
        doctests, extras = self._run(runner, options, results)
      File "/home/slabbe/GitBox/sage/src/sage/doctest/forker.py", line 
2544, in _run
        result = runner.run(test)
      File "/home/slabbe/GitBox/sage/src/sage/doctest/forker.py", line 866, 
in run
        return self._run(test, compileflags, out)
      File "/home/slabbe/GitBox/sage/src/sage/doctest/forker.py", line 695, 
in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/home/slabbe/GitBox/sage/src/sage/doctest/forker.py", line 
1093, in compile_and_execute
        exec(compiled, globs)
      File "<doctest sage.databases.findstat.?[18]>", line 1, in <module>
        findstat("graphs", lambda g: g.diameter() if g.is_connected() else 
None, max_values=Integer(100), depth=Integer(0)) # optional -- internet
      File "/home/slabbe/GitBox/sage/src/sage/databases/findstat.py", line 
1119, in findstat
        return FindStatStatisticQuery(data=data, domain=domain, depth=depth,
      File "/home/slabbe/GitBox/sage/src/sage/databases/findstat.py", line 
2592, in __init__
        "Data": _data_to_str(self._first_terms, domain)}
      File "/home/slabbe/GitBox/sage/src/sage/databases/findstat.py", line 
559, in _data_to_str
        return "\n".join("\n".join(to_str_dom(element) for element in 
elements)
      File "/home/slabbe/GitBox/sage/src/sage/databases/findstat.py", line 
559, in <genexpr>
        return "\n".join("\n".join(to_str_dom(element) for element in 
elements)
      File "/home/slabbe/GitBox/sage/src/sage/databases/findstat.py", line 
559, in <genexpr>
        return "\n".join("\n".join(to_str_dom(element) for element in 
elements)
      File "/home/slabbe/GitBox/sage/src/sage/databases/findstat.py", line 
4548, in <lambda>
        lambda X: str((sorted(X.edges(labels=False)), X.num_verts())),
      File "/home/slabbe/GitBox/sage/src/sage/graphs/generic_graph.py", 
line 12259, in edges
        deprecation(27408, "parameter 'sort' will be set to False by 
default in the future")
      File "/home/slabbe/GitBox/sage/src/sage/misc/superseded.py", line 99, 
in deprecation
        warning(trac_number, message, DeprecationWarning, stacklevel)
      File "/home/slabbe/GitBox/sage/src/sage/misc/superseded.py", line 
180, in warning
        warn(message, warning_class, stacklevel)
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/warnings.py",
 
line 109, in _showwarnmsg
        sw(msg.message, msg.category, msg.filename, msg.lineno,
    :
    DeprecationWarning: parameter 'sort' will be set to False by default in 
the future
    See https://trac.sagemath.org/27408 for details.
    0: St000259 (quality [100, 100])
**********************************************************************
File "src/sage/databases/findstat.py", line 4770, in 
sage.databases.findstat.FindStatCollections._element_constructor_
Failed example:
    cc.first_terms(lambda x: x.edges(labels=False)).list()        # 
optional -- internet
Expected:
    [(Graph on 3 vertices, []),
     (Graph on 3 vertices, [(0, 2)]),
     (Graph on 3 vertices, [(0, 2), (1, 2)]),
     (Graph on 3 vertices, [(0, 1), (0, 2), (1, 2)])]
Got:
    doctest:warning
      File "/home/slabbe/GitBox/sage/src/bin/sage-runtests", line 154, in 
<module>
        err = DC.run()
      File "/home/slabbe/GitBox/sage/src/sage/doctest/control.py", line 
1384, in run
        self.run_doctests()
      File "/home/slabbe/GitBox/sage/src/sage/doctest/control.py", line 
1059, in run_doctests
        self.dispatcher.dispatch()
      File "/home/slabbe/GitBox/sage/src/sage/doctest/forker.py", line 
2021, in dispatch
        self.parallel_dispatch()
      File "/home/slabbe/GitBox/sage/src/sage/doctest/forker.py", line 
1916, in parallel_dispatch
        w.start()  # This might take some time
      File "/home/slabbe/GitBox/sage/src/sage/doctest/forker.py", line 
2190, in start
        super().start()
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/process.py",
 
line 121, in start
        self._popen = self._Popen(self)
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/context.py",
 
line 224, in _Popen
        return _default_context.get_context().Process._Popen(process_obj)
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/context.py",
 
line 277, in _Popen
        return Popen(process_obj)
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/popen_fork.py",
 
line 19, in __init__
        self._launch(process_obj)
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/popen_fork.py",
 
line 71, in _launch
        code = process_obj._bootstrap(parent_sentinel=child_r)
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/process.py",
 
line 315, in _bootstrap
        self.run()
      File "/home/slabbe/GitBox/sage/src/sage/doctest/forker.py", line 
2162, in run
        task(self.options, self.outtmpfile, msgpipe, self.result_queue)
      File "/home/slabbe/GitBox/sage/src/sage/doctest/forker.py", line 
2492, in __call__
        doctests, extras = self._run(runner, options, results)
      File "/home/slabbe/GitBox/sage/src/sage/doctest/forker.py", line 
2544, in _run
        result = runner.run(test)
      File "/home/slabbe/GitBox/sage/src/sage/doctest/forker.py", line 866, 
in run
        return self._run(test, compileflags, out)
      File "/home/slabbe/GitBox/sage/src/sage/doctest/forker.py", line 695, 
in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/home/slabbe/GitBox/sage/src/sage/doctest/forker.py", line 
1093, in compile_and_execute
        exec(compiled, globs)
      File "<doctest 
sage.databases.findstat.FindStatCollections._element_constructor_[9]>", 
line 1, in <module>
        cc.first_terms(lambda x: x.edges(labels=False)).list()        # 
optional -- internet
      File "/home/slabbe/GitBox/sage/src/sage/databases/findstat.py", line 
4341, in <genexpr>
        return lazy_list(((x, function(x)) for x in g))
      File "<doctest 
sage.databases.findstat.FindStatCollections._element_constructor_[9]>", 
line 1, in <lambda>
        cc.first_terms(lambda x: x.edges(labels=False)).list()        # 
optional -- internet
      File "/home/slabbe/GitBox/sage/src/sage/graphs/generic_graph.py", 
line 12259, in edges
        deprecation(27408, "parameter 'sort' will be set to False by 
default in the future")
      File "/home/slabbe/GitBox/sage/src/sage/misc/superseded.py", line 99, 
in deprecation
        warning(trac_number, message, DeprecationWarning, stacklevel)
      File "/home/slabbe/GitBox/sage/src/sage/misc/superseded.py", line 
180, in warning
        warn(message, warning_class, stacklevel)
      File 
"/home/slabbe/GitBox/sage/local/var/lib/sage/venv-python3.10.5/lib/python3.10/warnings.py",
 
line 109, in _showwarnmsg
        sw(msg.message, msg.category, msg.filename, msg.lineno,
    :
    DeprecationWarning: parameter 'sort' will be set to False by default in 
the future
    See https://trac.sagemath.org/27408 for details.
    [(Graph on 3 vertices, []),
     (Graph on 3 vertices, [(0, 2)]),
     (Graph on 3 vertices, [(0, 2), (1, 2)]),
     (Graph on 3 vertices, [(0, 1), (0, 2), (1, 2)])]
**********************************************************************
2 items had failures:
   1 of  42 in sage.databases.findstat.?
   1 of  12 in 
sage.databases.findstat.FindStatCollections._element_constructor_
    11 webbrowser tests not run
    0 tests not run because we ran out of time
    [423 tests, 2 failures, 47.29 s]
sage -t --long --random-seed=146716362555914503705358181125292828790 
src/sage/tests/cmdline.py
**********************************************************************
File "src/sage/tests/cmdline.py", line 593, in 
sage.tests.cmdline.test_executable
Failed example:
    err  # optional - internet
Expected:
    ''
Got:
    '/home/slabbe/GitBox/sage/src/sage/misc/package.py:119: UserWarning: 
failed to fetch the version of pkg=\'ore_algebra\' at 
https://pypi.org/pypi/ore_algebra/json\n  warnings.warn("failed to fetch 
the version of pkg={!r} at {}".format(pkg, 
url))\n/home/slabbe/GitBox/sage/src/sage/misc/package.py:119: UserWarning: 
failed to fetch the version of pkg=\'auditwheel_or_delocate\' at 
https://pypi.org/pypi/auditwheel_or_delocate/json\n  warnings.warn("failed 
to fetch the version of pkg={!r} at {}".format(pkg, url))\n'
**********************************************************************
1 item had failures:
   1 of 230 in sage.tests.cmdline.test_executable
    1 test not run due to known bugs
    3 gdb tests not run
    4 r tests not run
    15 rst2ipynb tests not run
    0 tests not run because we ran out of time
    [229 tests, 1 failure, 44.35 s]



sage -t --long --random-seed=146716362555914503705358181125292828790 
src/sage/databases/oeis.py
**********************************************************************
File "src/sage/databases/oeis.py", line 31, in sage.databases.oeis
Failed example:
    search = oeis([3, 7, 15, 1], max_results=4) ; search  # optional -- 
internet
Expected:
    0: A001203: Simple continued fraction expansion of Pi.
    1: A240698: Partial sums of divisors of n, cf. A027750.
    2: A082495: a(n) = (2^n - 1) mod n.
    3: A165416: Irregular array read by rows: The n-th row contains those 
distinct positive integers that each, when written in binary, occurs as a 
substring in binary n.
Got:
    0: A001203: Simple continued fraction expansion of Pi.
    1: A165416: Irregular array read by rows: The n-th row contains those 
distinct positive integers that each, when written in binary, occurs as a 
substring in binary n.
    2: A240698: Partial sums of divisors of n, cf. A027750.
    3: A246674: Run Length Transform of A000225.
**********************************************************************
File "src/sage/databases/oeis.py", line 37, in sage.databases.oeis
Failed example:
    [u.id() for u in search]                      # optional -- internet
Expected:
    ['A001203', 'A240698', 'A082495', 'A165416']
Got:
    ['A001203', 'A165416', 'A240698', 'A246674']
**********************************************************************
File "src/sage/databases/oeis.py", line 352, in sage.databases.oeis.OEIS
Failed example:
    oeis('prime gap factorization', max_results=4) # optional --internet
Expected:
    0: A073491: Numbers having no prime gaps in their factorization.
    1: A073485: Product of any number of consecutive primes; squarefree 
numbers with no gaps in their prime factorization.
    2: A073490: Number of prime gaps in factorization of n.
    3: A073492: Numbers having at least one prime gap in their 
factorization.
Got:
    0: A073491: Numbers having no prime gaps in their factorization.
    1: A286470: a(n) = maximal gap between indices of successive primes in 
the prime factorization of n.
    2: A073492: Numbers having at least one prime gap in their 
factorization.
    3: A073485: Product of any number of consecutive primes; squarefree 
numbers with no gaps in their prime factorization.
**********************************************************************
File "src/sage/databases/oeis.py", line 493, in 
sage.databases.oeis.OEIS.find_by_description
Failed example:
    prime_gaps = _[2] ; prime_gaps        # optional -- internet
Expected:
    A073490: Number of prime gaps in factorization of n.
Got:
    A073492: Numbers having at least one prime gap in their factorization.
**********************************************************************
File "src/sage/databases/oeis.py", line 538, in 
sage.databases.oeis.OEIS.find_by_subsequence
Failed example:
    oeis.find_by_subsequence([2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 
377])  # optional -- internet
Expected:
    0: A000045: Fibonacci numbers: F(n) = F(n-1) + F(n-2) with F(0) = 0 and 
F(1) = 1.
    1: A212804: Expansion of (1 - x)/(1 - x - x^2).
    2: A020695: Pisot sequence E(2,3).
Got:
    0: A000045: Fibonacci numbers: F(n) = F(n-1) + F(n-2) with F(0) = 0 and 
F(1) = 1.
    1: A212804: Expansion of (1 - x)/(1 - x - x^2).
    2: A324969: Number of unlabeled rooted identity trees with n vertices 
whose non-leaf terminal subtrees are all different.
**********************************************************************
4 items had failures:
   2 of  26 in sage.databases.oeis
   1 of  20 in sage.databases.oeis.OEIS
   1 of   5 in sage.databases.oeis.OEIS.find_by_description
   1 of   3 in sage.databases.oeis.OEIS.find_by_subsequence
    5 webbrowser tests not run
    0 tests not run because we ran out of time
    [289 tests, 5 failures, 30.48 s]


sage -t --long --random-seed=146716362555914503705358181125292828790 
src/sage/misc/latex.py
**********************************************************************
File "src/sage/misc/latex.py", line 1859, in sage.misc.latex.?
Failed example:
    with NamedTemporaryFile(mode="w+t", suffix=".tex") as f:  # optional - 
latex latex_package_tkz_graph
        _ = f.write(_latex_file_(g))
        f.flush()
        _run_latex_(file, engine="pdflatex")
Exception raised:
    Traceback (most recent call last):
      File "/home/slabbe/GitBox/sage/src/sage/doctest/forker.py", line 695, 
in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/home/slabbe/GitBox/sage/src/sage/doctest/forker.py", line 
1093, in compile_and_execute
        exec(compiled, globs)
      File "<doctest sage.misc.latex.?[4]>", line 4, in <module>
        _run_latex_(file, engine="pdflatex")
    NameError: name 'file' is not defined
**********************************************************************
1 item had failures:
   1 of  19 in sage.misc.latex.?
    3 not tested tests not run
    0 tests not run because we ran out of time
    [257 tests, 1 failure, 2.29 s]
sage -t --long --random-seed=146716362555914503705358181125292828790 
src/sage/graphs/isgci.py
**********************************************************************
File "src/sage/graphs/isgci.py", line 871, in 
sage.graphs.isgci.GraphClasses.update_db
Failed example:
    graph_classes.update_db()  # optional - internet
Expected nothing
Got:
    Database downloaded
**********************************************************************
1 item had failures:
   1 of   2 in sage.graphs.isgci.GraphClasses.update_db
    0 tests not run because we ran out of time
    [87 tests, 1 failure, 3.07 s]
sage -t --long --random-seed=146716362555914503705358181125292828790 
src/sage/interfaces/octave.py
**********************************************************************
File "src/sage/interfaces/octave.py", line 159, in 
sage.interfaces.octave.Octave
Failed example:
    octave.eval("a = [ 1, 1, 2; 3, 5, 8; 13, 21, 33 ]")    # optional - 
octave
Expected:
    'a =\n\n 1 1 2\n 3 5 8\n 13 21 33\n'
Got:
    'a =\n\n 1 1 2\n 3 5 8\n 13 21 33\n\n'
**********************************************************************
File "src/sage/interfaces/octave.py", line 161, in 
sage.interfaces.octave.Octave
Failed example:
    octave.eval("b = [ 1; 3; 13]")                         # optional - 
octave
Expected:
    'b =\n\n 1\n 3\n 13\n'
Got:
    'b =\n\n 1\n 3\n 13\n\n'
**********************************************************************
1 item had failures:
   2 of   8 in sage.interfaces.octave.Octave
    3 not tested tests not run
    0 tests not run because we ran out of time
    [132 tests, 2 failures, 1.18 s]

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