== Tests result: FAILURE then FAILURE ==

396 tests OK.

2 tests failed:
    test_embed test_tabnanny

27 tests skipped:
    test_bz2 test_curses test_dbm_gnu test_dbm_ndbm test_devpoll
    test_gdb test_idle test_ioctl test_kqueue test_lzma test_msilib
    test_ossaudiodev test_readline test_smtpnet test_ssl
    test_startfile test_tcl test_tix test_tk test_ttk_guionly
    test_ttk_textonly test_turtle test_winconsoleio test_winreg
    test_winsound test_zipfile64 test_zoneinfo

2 re-run tests:
    test_embed test_tabnanny

Total duration: 10 min 58 sec
Tests result: FAILURE then FAILURE
make: *** [Makefile:1199: test] Error 2

What system, what errors (copy-paste failure blocks)?

I had the same error
I ran the make test command with >&log 
But I don't know where to look for the log file

I found lastlog and attached it !

A 300 KB file of unknown type that has to be downloaded and opened with an unknown program is pretty useless.  Please state system/OS, exact Python release, command run, and copy-paste the errors here on the web page.

I do not see test_embed or test_tabnanny errors on Windows or Mac.  Are you 2 on *nix?

For test_embed, all tests are skipped for me because _testembed.exe does not exist.  I am guessing that this is normal since the first line of the file says 
# Run the tests in Programs/_testembed.c (tests for the CPython embedding APIs)
This suggests that it should never fail when running the test suite normally.  Victor?

Try to run directly the two failing tests in verbose mode, copy/paste the output into a file and attach the file here:

python -m test test_embed test_tabnanny -v

My system crashed completely. I reinstalled Ubuntu. Sorry I couldn't help
more ... :(
___________________________________________

MARTIN BERBEL, Tony
GSM: +32 (0) 477 / 33.12.48

------------------------------

Le mer. 10 févr. 2021 à 04:06, Tony Martin Berbel <report@bugs.python.org>
a écrit :

>
> Tony Martin Berbel <wingarmac@gmail.com> added the comment:
>
> I had the same error
> I ran the make test command with >&log
> But I don't know where to look for the log file
>
> ----------
> nosy: +wingarmac
>
> _______________________________________
> Python tracker <report@bugs.python.org>
> <https://bugs.python.org/issue43001>
> _______________________________________
>

Ok, I close the issue.

python 3.8.9 also show compile problems
my system: Linux Mint 20.1 Cinnamon (Cinnamon 4.8.6)
kernel 5.8.0-48-generic
$uname -a
Linux home 5.8.0-48-generic #54~20.04.1-Ubuntu SMP Sat Mar 20 13:40:25 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux

I tried to execute problem code from tabnanny in PyCharm - that's ok
from test.support import (captured_stderr, captured_stdout, script_helper, findfile, unlink)


def validate_cmd(self, *args, stdout="", stderr="", partial=False):
    """Common function to assert the behaviour of command line interface."""
    _, out, err = script_helper.assert_python_ok('-m', 'tabnanny', *args)
    # Note: The `splitlines()` will solve the problem of CRLF(\r) added
    # by OS Windows.
    out = out.decode('ascii')
    err = err.decode('ascii')
    if partial:
        for std, output in ((stdout, out), (stderr, err)):
            _output = output.splitlines()
            for _std in std.splitlines():
                with self.subTest(std=_std, output=_output):
                    self.assertIn(_std, _output)
    else:
        self.assertListEqual(out.splitlines(), stdout.splitlines())
        self.assertListEqual(err.splitlines(), stderr.splitlines())

    def test_command_usage(self):
        path = findfile('~/Загрузки/Python-3.8.9/Lib/test/tabnanny.py')
        stderr = f"Usage: {path} [-v] file_or_directory ..."

        self.validate_cmd(stderr=stderr)

Duplicate of bpo-44031.