$ cargo test -- --test-threads 1
    Finished test [unoptimized + debuginfo] target(s) in 3.10s
     Running unittests src/lib.rs (target/debug/deps/deltachat-e5ef9b9e62bfb452)

running 797 tests
test accounts::tests::test_account_new_add_remove ... ok
test accounts::tests::test_account_new_open ... ok
test accounts::tests::test_account_new_open_conflict ... ok
test accounts::tests::test_accounts_ids_unique_increasing_and_persisted ... ok
test accounts::tests::test_accounts_remove_last ... ok
test accounts::tests::test_accounts_share_translations ... ok
test accounts::tests::test_accounts_sorted ... ok
test accounts::tests::test_encrypted_account ... error: test failed, to rerun pass `--lib`

Caused by:
  process didn't exit successfully: `/home/user/link2xt/deltachat-core-rust/target/debug/deps/deltachat-e5ef9b9e62bfb452 --test-threads 1` (signal: 11, SIGSEGV: invalid memory reference)
deltachat$ cargo test accounts::tests::test_encrypted_account
    Finished test [unoptimized + debuginfo] target(s) in 3.82s
     Running unittests src/lib.rs (target/debug/deps/deltachat-e5ef9b9e62bfb452)

running 1 test
error: test failed, to rerun pass `--lib`

Caused by:
  process didn't exit successfully: `/home/user/link2xt/deltachat-core-rust/target/debug/deps/deltachat-e5ef9b9e62bfb452 'accounts::tests::test_encrypted_account'` (signal: 11, SIGSEGV: invalid memory reference)

cargo test -- \
--skip accounts::tests::test_encrypted_account \
--skip configure::tests::test_no_panic_on_bad_credentials \
--skip context::tests::test_check_passphrase \
--skip context::tests::test_context_change_passphrase \
--skip imex::tests::test_export_and_import_backup \
--skip oauth2::tests::test_get_oauth2_addr \
--skip oauth2::tests::test_get_oauth2_token \
--skip sql::tests::test_check_passphrase \
--skip sql::tests::test_sql_change_passphrase --test-threads 1