Here's the full backtrace from Rhythmbox on-launch crash:
(lldb) bt
* thread #1, name = 'rhythmbox', stop reason = signal SIGSEGV: invalid address (fault address: 0x0)
  * frame #0: 0x0000000801a5290c libc.so.7`strcmp + 60
    frame #1: 0x00000008023ce9ad libcrypto.so.9`lh_insert + 381
    frame #2: 0x00000008022ebb8e libcrypto.so.9`OBJ_NAME_add + 174
    frame #3: 0x0000000803a2fc4d libcrypto.so.111`___lldb_unnamed_symbol1669$$libcrypto.so.111 + 749
    frame #4: 0x0000000803a2f579 libcrypto.so.111`___lldb_unnamed_symbol1658$$libcrypto.so.111 + 9
    frame #5: 0x000000080105ce28 libthr.so.3`_pthread_once + 216
    frame #6: 0x0000000803a2ec29 libcrypto.so.111`CRYPTO_THREAD_run_once + 9
    frame #7: 0x0000000803a2f027 libcrypto.so.111`OPENSSL_init_crypto + 327
    frame #8: 0x0000000809c490b7 _hashlib.so`PyInit__hashlib + 39
    frame #9: 0x0000000808e4222d libpython3.6m.so.1.0`_PyImport_LoadDynamicModuleWithSpec + 589
    frame #10: 0x0000000808e41d11 libpython3.6m.so.1.0`___lldb_unnamed_symbol1486$$libpython3.6m.so.1.0 + 369
    frame #11: 0x0000000808da149d libpython3.6m.so.1.0`PyCFunction_Call + 205
    frame #12: 0x0000000808e20fa7 libpython3.6m.so.1.0`_PyEval_EvalFrameDefault + 28695
    frame #13: 0x0000000808e24113 libpython3.6m.so.1.0`___lldb_unnamed_symbol1415$$libpython3.6m.so.1.0 + 2083
    frame #14: 0x0000000808e2499e libpython3.6m.so.1.0`___lldb_unnamed_symbol1416$$libpython3.6m.so.1.0 + 398
    frame #15: 0x0000000808e23804 libpython3.6m.so.1.0`___lldb_unnamed_symbol1414$$libpython3.6m.so.1.0 + 452
    frame #16: 0x0000000808e20bc8 libpython3.6m.so.1.0`_PyEval_EvalFrameDefault + 27704
    frame #17: 0x0000000808e24a20 libpython3.6m.so.1.0`___lldb_unnamed_symbol1416$$libpython3.6m.so.1.0 + 528
    frame #18: 0x0000000808e23804 libpython3.6m.so.1.0`___lldb_unnamed_symbol1414$$libpython3.6m.so.1.0 + 452
    frame #19: 0x0000000808e20bc8 libpython3.6m.so.1.0`_PyEval_EvalFrameDefault + 27704
    frame #20: 0x0000000808e24a20 libpython3.6m.so.1.0`___lldb_unnamed_symbol1416$$libpython3.6m.so.1.0 + 528
    frame #21: 0x0000000808e23804 libpython3.6m.so.1.0`___lldb_unnamed_symbol1414$$libpython3.6m.so.1.0 + 452
    frame #22: 0x0000000808e20bc8 libpython3.6m.so.1.0`_PyEval_EvalFrameDefault + 27704
    frame #23: 0x0000000808e24a20 libpython3.6m.so.1.0`___lldb_unnamed_symbol1416$$libpython3.6m.so.1.0 + 528
    frame #24: 0x0000000808e23804 libpython3.6m.so.1.0`___lldb_unnamed_symbol1414$$libpython3.6m.so.1.0 + 452
    frame #25: 0x0000000808e20bc8 libpython3.6m.so.1.0`_PyEval_EvalFrameDefault + 27704
    frame #26: 0x0000000808e24a20 libpython3.6m.so.1.0`___lldb_unnamed_symbol1416$$libpython3.6m.so.1.0 + 528
    frame #27: 0x0000000808e23804 libpython3.6m.so.1.0`___lldb_unnamed_symbol1414$$libpython3.6m.so.1.0 + 452
    frame #28: 0x0000000808e20bc8 libpython3.6m.so.1.0`_PyEval_EvalFrameDefault + 27704
    frame #29: 0x0000000808e24e1a libpython3.6m.so.1.0`_PyFunction_FastCallDict + 826
    frame #30: 0x0000000808d55e5f libpython3.6m.so.1.0`_PyObject_FastCallDict + 191
    frame #31: 0x0000000808d570f3 libpython3.6m.so.1.0`_PyObject_CallMethodIdObjArgs + 739
    frame #32: 0x0000000808e40ba9 libpython3.6m.so.1.0`PyImport_ImportModuleLevelObject + 985
    frame #33: 0x0000000808e1f6a6 libpython3.6m.so.1.0`_PyEval_EvalFrameDefault + 22294
    frame #34: 0x0000000808e24113 libpython3.6m.so.1.0`___lldb_unnamed_symbol1415$$libpython3.6m.so.1.0 + 2083
    frame #35: 0x0000000808e19ee3 libpython3.6m.so.1.0`PyEval_EvalCode + 51
    frame #36: 0x0000000808e173c9 libpython3.6m.so.1.0`___lldb_unnamed_symbol1378$$libpython3.6m.so.1.0 + 585
    frame #37: 0x0000000808da149d libpython3.6m.so.1.0`PyCFunction_Call + 205
    frame #38: 0x0000000808e20fa7 libpython3.6m.so.1.0`_PyEval_EvalFrameDefault + 28695
    frame #39: 0x0000000808e24113 libpython3.6m.so.1.0`___lldb_unnamed_symbol1415$$libpython3.6m.so.1.0 + 2083
    frame #40: 0x0000000808e2499e libpython3.6m.so.1.0`___lldb_unnamed_symbol1416$$libpython3.6m.so.1.0 + 398
    frame #41: 0x0000000808e23804 libpython3.6m.so.1.0`___lldb_unnamed_symbol1414$$libpython3.6m.so.1.0 + 452
    frame #42: 0x0000000808e20bc8 libpython3.6m.so.1.0`_PyEval_EvalFrameDefault + 27704
    frame #43: 0x0000000808e24a20 libpython3.6m.so.1.0`___lldb_unnamed_symbol1416$$libpython3.6m.so.1.0 + 528
    frame #44: 0x0000000808e23804 libpython3.6m.so.1.0`___lldb_unnamed_symbol1414$$libpython3.6m.so.1.0 + 452
    frame #45: 0x0000000808e20bc8 libpython3.6m.so.1.0`_PyEval_EvalFrameDefault + 27704
    frame #46: 0x0000000808e24a20 libpython3.6m.so.1.0`___lldb_unnamed_symbol1416$$libpython3.6m.so.1.0 + 528
    frame #47: 0x0000000808e23804 libpython3.6m.so.1.0`___lldb_unnamed_symbol1414$$libpython3.6m.so.1.0 + 452
    frame #48: 0x0000000808e20bc8 libpython3.6m.so.1.0`_PyEval_EvalFrameDefault + 27704
    frame #49: 0x0000000808e24a20 libpython3.6m.so.1.0`___lldb_unnamed_symbol1416$$libpython3.6m.so.1.0 + 528
    frame #50: 0x0000000808e23804 libpython3.6m.so.1.0`___lldb_unnamed_symbol1414$$libpython3.6m.so.1.0 + 452
    frame #51: 0x0000000808e20bc8 libpython3.6m.so.1.0`_PyEval_EvalFrameDefault + 27704
    frame #52: 0x0000000808e24e1a libpython3.6m.so.1.0`_PyFunction_FastCallDict + 826
    frame #53: 0x0000000808d55e5f libpython3.6m.so.1.0`_PyObject_FastCallDict + 191
    frame #54: 0x0000000808d570f3 libpython3.6m.so.1.0`_PyObject_CallMethodIdObjArgs + 739
    frame #55: 0x0000000808e40ba9 libpython3.6m.so.1.0`PyImport_ImportModuleLevelObject + 985
    frame #56: 0x0000000808e1f6a6 libpython3.6m.so.1.0`_PyEval_EvalFrameDefault + 22294
    frame #57: 0x0000000808e24113 libpython3.6m.so.1.0`___lldb_unnamed_symbol1415$$libpython3.6m.so.1.0 + 2083
    frame #58: 0x0000000808e19ee3 libpython3.6m.so.1.0`PyEval_EvalCode + 51
    frame #59: 0x0000000808e173c9 libpython3.6m.so.1.0`___lldb_unnamed_symbol1378$$libpython3.6m.so.1.0 + 585
    frame #60: 0x0000000808da149d libpython3.6m.so.1.0`PyCFunction_Call + 205
    frame #61: 0x0000000808e20fa7 libpython3.6m.so.1.0`_PyEval_EvalFrameDefault + 28695
    frame #62: 0x0000000808e24113 libpython3.6m.so.1.0`___lldb_unnamed_symbol1415$$libpython3.6m.so.1.0 + 2083
    frame #63: 0x0000000808e2499e libpython3.6m.so.1.0`___lldb_unnamed_symbol1416$$libpython3.6m.so.1.0 + 398
    frame #64: 0x0000000808e23804 libpython3.6m.so.1.0`___lldb_unnamed_symbol1414$$libpython3.6m.so.1.0 + 452
    frame #65: 0x0000000808e20bc8 libpython3.6m.so.1.0`_PyEval_EvalFrameDefault + 27704
    frame #66: 0x0000000808e24a20 libpython3.6m.so.1.0`___lldb_unnamed_symbol1416$$libpython3.6m.so.1.0 + 528
    frame #67: 0x0000000808e23804 libpython3.6m.so.1.0`___lldb_unnamed_symbol1414$$libpython3.6m.so.1.0 + 452
    frame #68: 0x0000000808e20bc8 libpython3.6m.so.1.0`_PyEval_EvalFrameDefault + 27704
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    frame #71: 0x0000000808e20bc8 libpython3.6m.so.1.0`_PyEval_EvalFrameDefault + 27704
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    frame #74: 0x0000000808e20bc8 libpython3.6m.so.1.0`_PyEval_EvalFrameDefault + 27704
    frame #75: 0x0000000808e24e1a libpython3.6m.so.1.0`_PyFunction_FastCallDict + 826
    frame #76: 0x0000000808d55e5f libpython3.6m.so.1.0`_PyObject_FastCallDict + 191
    frame #77: 0x0000000808d570f3 libpython3.6m.so.1.0`_PyObject_CallMethodIdObjArgs + 739
    frame #78: 0x0000000808e40ba9 libpython3.6m.so.1.0`PyImport_ImportModuleLevelObject + 985
    frame #79: 0x0000000808e1f6a6 libpython3.6m.so.1.0`_PyEval_EvalFrameDefault + 22294
    frame #80: 0x0000000808e24113 libpython3.6m.so.1.0`___lldb_unnamed_symbol1415$$libpython3.6m.so.1.0 + 2083
    frame #81: 0x0000000808e19ee3 libpython3.6m.so.1.0`PyEval_EvalCode + 51
    frame #82: 0x0000000808e173c9 libpython3.6m.so.1.0`___lldb_unnamed_symbol1378$$libpython3.6m.so.1.0 + 585
    frame #83: 0x0000000808da149d libpython3.6m.so.1.0`PyCFunction_Call + 205
    frame #84: 0x0000000808e20fa7 libpython3.6m.so.1.0`_PyEval_EvalFrameDefault + 28695
    frame #85: 0x0000000808e24113 libpython3.6m.so.1.0`___lldb_unnamed_symbol1415$$libpython3.6m.so.1.0 + 2083
    frame #86: 0x0000000808e2499e libpython3.6m.so.1.0`___lldb_unnamed_symbol1416$$libpython3.6m.so.1.0 + 398
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    frame #88: 0x0000000808e20bc8 libpython3.6m.so.1.0`_PyEval_EvalFrameDefault + 27704
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    frame #91: 0x0000000808e20bc8 libpython3.6m.so.1.0`_PyEval_EvalFrameDefault + 27704
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    frame #98: 0x0000000808e24e1a libpython3.6m.so.1.0`_PyFunction_FastCallDict + 826
    frame #99: 0x0000000808d55e5f libpython3.6m.so.1.0`_PyObject_FastCallDict + 191
    frame #100: 0x0000000808d570f3 libpython3.6m.so.1.0`_PyObject_CallMethodIdObjArgs + 739
    frame #101: 0x0000000808e40ba9 libpython3.6m.so.1.0`PyImport_ImportModuleLevelObject + 985
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    frame #104: 0x0000000808e19ee3 libpython3.6m.so.1.0`PyEval_EvalCode + 51
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    frame #106: 0x0000000808da149d libpython3.6m.so.1.0`PyCFunction_Call + 205
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