js.go     | 6 +++---
 main.go   | 4 ++--
 status.go | 3 ++-

diff --git a/js.go b/js.go
index affbecf365ba8ce66a3916a411db085e13427c804ee0781f35c11d029f275b78..f016f01cbf495fda9a6385028f174901fe4be364cc78d02ac54bbe354edbf614 100644
--- a/js.go
+++ b/js.go
@@ -92,7 +92,7 @@ 	}
 
 	JSR, JSW, err = os.Pipe()
 	if err != nil {
-		panic(err)
+		log.Fatalln(err)
 	}
 	for i := uint64(0); i < jobs; i++ {
 		jsRelease("initial fill")
@@ -101,7 +101,7 @@ }
 
 func jsReleaseNoLock() {
 	if n, err := JSW.Write([]byte{0}); err != nil || n != 1 {
-		panic("can not write JSW")
+		log.Fatalln("can not write JSW:", err)
 	}
 }
 
@@ -124,7 +124,7 @@ 		return
 	}
 	trace(CJS, "acquire for %s", ctx)
 	if n, err := JSR.Read([]byte{0}); err != nil || n != 1 {
-		panic("can not read JSR")
+		log.Fatalln("can not read JSR:", err)
 	}
 	jsTokensM.Lock()
 	jsTokens++
diff --git a/main.go b/main.go
index 195c238d6075dcc4e80f418a85e6189b999c3eb018edbea43ca8a3516f9f72c6..2ba9e6da15e77a7ca7a8644a0c31124eb178f1dfd2c38ade0351f2292af60347 100644
--- a/main.go
+++ b/main.go
@@ -96,7 +96,7 @@
 	var err error
 	Cwd, err = os.Getwd()
 	if err != nil {
-		panic(err)
+		log.Fatalln(err)
 	}
 
 	NoColor = os.Getenv(EnvNoColor) != ""
@@ -178,7 +178,7 @@ 	tgts := flag.Args()
 	if BuildUUID == "" {
 		raw := new([16]byte)
 		if _, err = io.ReadFull(rand.Reader, raw[:]); err != nil {
-			panic(err)
+			log.Fatalln(err)
 		}
 		raw[6] = (raw[6] & 0x0F) | uint8(4<<4) // version 4
 		BuildUUID = fmt.Sprintf(
diff --git a/status.go b/status.go
index 6e2af9f56894e2b7e5f8557781076e5b1a44001bf85b1a0d8d55f37422000a00..468059429d261bc2b74c09dbed15e861c7ebdd9bafa135186be25588754f9caa 100644
--- a/status.go
+++ b/status.go
@@ -20,6 +20,7 @@
 import (
 	"flag"
 	"fmt"
+	"log"
 	"os"
 )
 
@@ -57,7 +58,7 @@ 	var r *os.File
 	var err error
 	r, FdStatus, err = os.Pipe()
 	if err != nil {
-		panic(err)
+		log.Fatalln(err)
 	}
 	go func() {
 		running := 0