There was a build failure on a slow machine that timed out trying to reconnect to a replica set:
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] Recreating replica set from config {
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] "_id" : "backup_restore_stop_start",
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] "version" : 3,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] "term" : 1,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] "protocolVersion" : NumberLong(1),
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] "writeConcernMajorityJournalDefault" : true,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] "members" : [
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] {
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] "_id" : 0,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] "host" : "macos-1014-137.macstadium.build.10gen.cc:20270",
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] "arbiterOnly" : false,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] "buildIndexes" : true,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] "hidden" : false,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] "priority" : 1,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] "tags" : {
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0]
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] },
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] "slaveDelay" : NumberLong(0),
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] "votes" : 1
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] },
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] {
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] "_id" : 1,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] "host" : "macos-1014-137.macstadium.build.10gen.cc:20271",
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] "arbiterOnly" : false,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] "buildIndexes" : true,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] "hidden" : false,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] "priority" : 1,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0] "tags" : {
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.121-0400 sh79139| [WaitForReplication:job0]
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] },
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "slaveDelay" : NumberLong(0),
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "votes" : 1
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] },
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] {
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "_id" : 2,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "host" : "macos-1014-137.macstadium.build.10gen.cc:20272",
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "arbiterOnly" : false,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "buildIndexes" : true,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "hidden" : false,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "priority" : 1,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "tags" : {
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0]
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] },
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "slaveDelay" : NumberLong(0),
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "votes" : 1
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] }
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] ],
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "settings" : {
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "chainingAllowed" : true,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "heartbeatIntervalMillis" : 2000,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "heartbeatTimeoutSecs" : 10,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "electionTimeoutMillis" : 60000,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "catchUpTimeoutMillis" : -1,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "catchUpTakeoverDelayMillis" : 30000,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "getLastErrorModes" : {
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0]
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] },
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "getLastErrorDefaults" : {
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "w" : 1,
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "wtimeout" : 0
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] },
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "replicaSetId" : ObjectId("616e79d72ca9e8fc78add28b")
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] }
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] }
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] Network error occurred and the call will be retried: {
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "error" : "Error: couldn't connect to server macos-1014-137.macstadium.build.10gen.cc:20271, connection attempt failed: SocketException: Error connecting to macos-1014-137.macstadium.build.10gen.cc:20271 (207.254.77.156:20271) :: caused by :: Connection refused",
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] "stack" : "_constructFromExistingSeedNode/self.nodes<@src/mongo/shell/replsettest.js:3299:24\n_constructFromExistingSeedNode@src/mongo/shell/replsettest.js:3298:22\nReplSetTest/<@src/mongo/shell/replsettest.js:3313:13\nretryOnNetworkError@src/mongo/shell/utils.js:57:20\nReplSetTest@src/mongo/shell/replsettest.js:3309:9\n@(shell eval):1:1369\n"
[js_test:backup_restore_stop_start] 2021-10-19T03:56:22.122-0400 sh79139| [WaitForReplication:job0] }
Increasing this parameter to a higher value would give the slow machine more time that it needed.