Downgrade to bbolt v1.3.3

BBolt v1.3.4 can cause crashes on Go 1.14. etcd-io/bbolt#187

go.mod

@@ -27,11 +27,12 @@ require (
 	github.com/pkg/errors v0.8.1
 	github.com/uber/jaeger-client-go v2.20.1+incompatible
 	github.com/uber/jaeger-lib v2.2.0+incompatible
-	go.etcd.io/bbolt v1.3.4
+	go.etcd.io/bbolt v1.3.3
 	go.opencensus.io v0.22.2 // indirect
 	go.uber.org/atomic v1.5.0 // indirect
 	golang.org/x/net v0.0.0-20191109021931-daa7c04131f5 // indirect
 	golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e // indirect
+	golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5 // indirect
 	golang.org/x/tools v0.0.0-20191109212701-97ad0ed33101 // indirect
 	google.golang.org/api v0.10.0 // indirect
 	google.golang.org/appengine v1.6.2 // indirect

go.sum

@@ -213,8 +213,6 @@ github.com/uber/jaeger-lib v2.2.0+incompatible h1:MxZXOiR2JuoANZ3J6DE/U0kSFv/eJ/
 github.com/uber/jaeger-lib v2.2.0+incompatible/go.mod h1:ComeNDZlWwrWnDv8aPp0Ba6+uUTzImX/AauajbLI56U=
 go.etcd.io/bbolt v1.3.3 h1:MUGmc65QhB3pIlaQ5bB4LwqSj6GIonVJXpZiaKNyaKk=
 go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
-go.etcd.io/bbolt v1.3.4 h1:hi1bXHMVrlQh6WwxAy+qZCV/SYIlqo+Ushwdpa4tAKg=
-go.etcd.io/bbolt v1.3.4/go.mod h1:G5EMThwa9y8QZGBClrRx5EY+Yw9kAhnjy3bSjsnlVTQ=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
 go.opencensus.io v0.22.2 h1:75k/FF0Q2YM8QYo07VPddOLBslDt1MZOdEslOHvmzAs=