fix: "only once" tasks should be recovered and retried on worker crash

Typo in the docs

go.mod

@@ -1,7 +1,6 @@
 module github.com/hibiken/asynq
 
 go 1.22
-toolchain go1.23.7
 
 require (
 	github.com/google/go-cmp v0.6.0
@@ -10,7 +9,7 @@ require (
 	github.com/robfig/cron/v3 v3.0.1
 	github.com/spf13/cast v1.7.0
 	go.uber.org/goleak v1.3.0
-	golang.org/x/sys v0.31.0
+	golang.org/x/sys v0.27.0
 	golang.org/x/time v0.8.0
 	google.golang.org/protobuf v1.35.2
 )

go.sum

@@ -32,8 +32,8 @@ github.com/stretchr/testify v1.8.0 h1:pSgiaMZlXftHpm5L7V1+rVB+AZJydKsMxsQBIJw4PK
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
-golang.org/x/sys v0.31.0 h1:ioabZlmFYtWhL+TRYpcnNlLwhyxaM9kWTDEmfnprqik=
-golang.org/x/sys v0.31.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+golang.org/x/sys v0.27.0 h1:wBqf8DvsY9Y/2P8gAfPDEYNuS30J4lPHJxXSb/nJZ+s=
+golang.org/x/sys v0.27.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/time v0.8.0 h1:9i3RxcPv3PZnitoVGMPDKZSq1xW1gK1Xy3ArNOGZfEg=
 golang.org/x/time v0.8.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
 google.golang.org/protobuf v1.35.2 h1:8Ar7bF+apOIoThw1EdZl0p1oWvMqTHmpA2fRTyZO8io=

recoverer.go

@@ -95,7 +95,7 @@ func (r *recoverer) recoverLeaseExpiredTasks() {
 		return
 	}
 	for _, msg := range msgs {
-		if msg.Retried >= msg.Retry {
+		if msg.Retried >= msg.Retry && msg.Retry > 0 {
 			r.archive(msg, ErrLeaseExpired)
 		} else {
 			r.retry(msg, ErrLeaseExpired)

server.go

@@ -174,16 +174,15 @@ type Config struct {
 	//     })
 	//
 	//     ErrorHandler: asynq.ErrorHandlerFunc(reportError)
-
+	//
 	//    we can also handle panic error like:
 	//     func reportError(ctx context, task *asynq.Task, err error) {
-	//         if asynq.IsPanic(err) {
+	//         if asynq.IsPanicError(err) {
 	//	          errorReportingService.Notify(err)
 	// 	       }
 	//     })
 	//
 	//     ErrorHandler: asynq.ErrorHandlerFunc(reportError)
-
 	ErrorHandler ErrorHandler
 
 	// Logger specifies the logger used by the server instance.