diff --git a/client.go b/client.go
index 1e0a3b4d..a247b3c4 100644
--- a/client.go
+++ b/client.go
@@ -34,7 +34,7 @@ import (
 	pp "github.com/anacrolix/torrent/peer_protocol"
 	"github.com/anacrolix/torrent/storage"
 	"github.com/davecgh/go-spew/spew"
-	"github.com/dustin/go-humanize"
+	humanize "github.com/dustin/go-humanize"
 	"github.com/google/btree"
 	"golang.org/x/time/rate"
 )
@@ -151,7 +151,7 @@ func (cl *Client) WriteStatus(_w io.Writer) {
 	}
 }
 
-const debugLogValue = "debug"
+const debugLogValue = log.Debug
 
 func (cl *Client) debugLogFilter(m *log.Msg) bool {
 	if !cl.config.Debug {
@@ -200,7 +200,7 @@ func NewClient(cfg *ClientConfig) (cl *Client, err error) {
 		storageImpl = storage.NewFile(cfg.DataDir)
 		cl.onClose = append(cl.onClose, func() {
 			if err := storageImpl.Close(); err != nil {
-				log.Printf("error closing default storage: %s", err)
+				cl.logger.Printf("error closing default storage: %s", err)
 			}
 		})
 	}
@@ -319,9 +319,9 @@ func (cl *Client) newDhtServer(conn net.PacketConn) (s *dht.Server, err error) {
 		go func() {
 			ts, err := s.Bootstrap()
 			if err != nil {
-				log.Printf("error bootstrapping dht: %s", err)
+				cl.logger.Printf("error bootstrapping dht: %s", err)
 			}
-			log.Printf("%s: dht bootstrap: %#v", s, ts)
+			log.Str("completed bootstrap").AddValues(s, ts).Log(cl.logger)
 		}()
 	}
 	return
@@ -433,7 +433,7 @@ func (cl *Client) acceptConnections(l net.Listener) {
 			return
 		}
 		if err != nil {
-			log.Printf("error accepting connection: %s", err)
+			cl.logger.Printf("error accepting connection: %s", err)
 			continue
 		}
 		go func() {
@@ -668,7 +668,7 @@ func (cl *Client) outgoingConnection(t *Torrent, addr IpPort, ps peerSource) {
 	cl.noLongerHalfOpen(t, addr.String())
 	if err != nil {
 		if cl.config.Debug {
-			log.Printf("error establishing outgoing connection: %s", err)
+			cl.logger.Printf("error establishing outgoing connection: %s", err)
 		}
 		return
 	}
@@ -845,7 +845,7 @@ func (cl *Client) runHandshookConn(c *connection, t *Torrent) {
 	cl.sendInitialMessages(c, t)
 	err := c.mainReadLoop()
 	if err != nil && cl.config.Debug {
-		log.Printf("error during connection main read loop: %s", err)
+		cl.logger.Printf("error during connection main read loop: %s", err)
 	}
 }
 
@@ -1160,7 +1160,7 @@ func (cl *Client) AddDHTNodes(nodes []string) {
 		hmp := missinggo.SplitHostMaybePort(n)
 		ip := net.ParseIP(hmp.Host)
 		if ip == nil {
-			log.Printf("won't add DHT node with bad IP: %q", hmp.Host)
+			cl.logger.Printf("won't add DHT node with bad IP: %q", hmp.Host)
 			continue
 		}
 		ni := krpc.NodeInfo{
diff --git a/connection.go b/connection.go
index 21f1fdc2..2352009c 100644
--- a/connection.go
+++ b/connection.go
@@ -1193,7 +1193,7 @@ func (c *connection) onReadExtendedMsg(id pp.ExtensionNumber, payload []byte) (e
 	case pp.HandshakeExtendedID:
 		var d pp.ExtendedHandshakeMessage
 		if err := bencode.Unmarshal(payload, &d); err != nil {
-			log.Printf("error parsing extended handshake message %q: %s", payload, err)
+			c.t.logger.Printf("error parsing extended handshake message %q: %s", payload, err)
 			return errors.Wrap(err, "unmarshalling extended handshake payload")
 		}
 		if d.Reqq != 0 {
@@ -1335,7 +1335,7 @@ func (c *connection) receiveChunk(msg *pp.Message) error {
 	piece.decrementPendingWrites()
 
 	if err != nil {
-		log.Printf("%s (%s): error writing chunk %v: %s", t, t.infoHash, req, err)
+		c.t.logger.Printf("%s (%s): error writing chunk %v: %s", t, t.infoHash, req, err)
 		t.pendRequest(req)
 		t.updatePieceCompletion(pieceIndex(msg.Index))
 		return nil
diff --git a/go.mod b/go.mod
index 9361a9a2..b2739b7b 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ require (
 	github.com/anacrolix/dht v0.0.0-20181129074040-b09db78595aa
 	github.com/anacrolix/envpprof v0.0.0-20180404065416-323002cec2fa
 	github.com/anacrolix/go-libutp v0.0.0-20180808010927-aebbeb60ea05
-	github.com/anacrolix/log v0.0.0-20180808012509-286fcf906b48
+	github.com/anacrolix/log v0.2.0
 	github.com/anacrolix/missinggo v0.0.0-20181129073415-3237bf955fed
 	github.com/anacrolix/sync v0.0.0-20180808010631-44578de4e778
 	github.com/anacrolix/tagflag v0.0.0-20180803105420-3a8ff5428f76
diff --git a/go.sum b/go.sum
index bbb6a698..54f7186b 100644
--- a/go.sum
+++ b/go.sum
@@ -17,8 +17,8 @@ github.com/anacrolix/go-libutp v0.0.0-20180808010927-aebbeb60ea05 h1:Zoniih3jyqt
 github.com/anacrolix/go-libutp v0.0.0-20180808010927-aebbeb60ea05/go.mod h1:POY/GPlrFKRxnOKH1sGAB+NBWMoP+sI+hHJxgcgWbWw=
 github.com/anacrolix/log v0.0.0-20180412014343-2323884b361d h1:G8ITVMWuQL4adKRC3A6aBOo0YFJYcmpS3JFQd+rZrn0=
 github.com/anacrolix/log v0.0.0-20180412014343-2323884b361d/go.mod h1:sf/7c2aTldL6sRQj/4UKyjgVZBu2+M2z9wf7MmwPiew=
-github.com/anacrolix/log v0.0.0-20180808012509-286fcf906b48 h1:aHwCj9Q6sjQOq5sC8Bzylt7GCAvt+D5MPEpkD6TeXxU=
-github.com/anacrolix/log v0.0.0-20180808012509-286fcf906b48/go.mod h1:sf/7c2aTldL6sRQj/4UKyjgVZBu2+M2z9wf7MmwPiew=
+github.com/anacrolix/log v0.2.0 h1:LzaW6XTEk2zcmLZkcZPkJ2mDdnZkOdOTeBH7Kt81ouU=
+github.com/anacrolix/log v0.2.0/go.mod h1:sf/7c2aTldL6sRQj/4UKyjgVZBu2+M2z9wf7MmwPiew=
 github.com/anacrolix/missinggo v0.0.0-20180522035225-b4a5853e62ff/go.mod h1:b0p+7cn+rWMIphK1gDH2hrDuwGOcbB6V4VXeSsEfHVk=
 github.com/anacrolix/missinggo v0.0.0-20180621131740-7fc7cfea16ea/go.mod h1:kwGiTUTZ0+p4vAz3VbAI5a30t2YbvemcmspjKwrAz5s=
 github.com/anacrolix/missinggo v0.0.0-20180725070939-60ef2fbf63df/go.mod h1:kwGiTUTZ0+p4vAz3VbAI5a30t2YbvemcmspjKwrAz5s=
diff --git a/torrent.go b/torrent.go
index b376ba59..f90b265f 100644
--- a/torrent.go
+++ b/torrent.go
@@ -268,7 +268,7 @@ func (t *Torrent) saveMetadataPiece(index int, data []byte) {
 		return
 	}
 	if index >= len(t.metadataCompletedChunks) {
-		log.Printf("%s: ignoring metadata piece %d", t, index)
+		t.logger.Printf("%s: ignoring metadata piece %d", t, index)
 		return
 	}
 	copy(t.metadataBytes[(1<<14)*index:], data)
@@ -366,7 +366,7 @@ func (t *Torrent) setInfo(info *metainfo.Info) error {
 func (t *Torrent) onSetInfo() {
 	for conn := range t.conns {
 		if err := conn.setNumPieces(t.numPieces()); err != nil {
-			log.Printf("closing connection: %s", err)
+			t.logger.Printf("closing connection: %s", err)
 			conn.Close()
 		}
 	}
@@ -374,7 +374,7 @@ func (t *Torrent) onSetInfo() {
 		t.updatePieceCompletion(pieceIndex(i))
 		p := &t.pieces[i]
 		if !p.storageCompletionOk {
-			// log.Printf("piece %s completion unknown, queueing check", p)
+			// t.logger.Printf("piece %s completion unknown, queueing check", p)
 			t.queuePieceCheck(pieceIndex(i))
 		}
 	}
@@ -744,7 +744,7 @@ func (t *Torrent) hashPiece(piece pieceIndex) (ret metainfo.Hash) {
 		return
 	}
 	if err != io.ErrUnexpectedEOF && !os.IsNotExist(err) {
-		log.Printf("unexpected error hashing piece with %T: %s", t.storage.TorrentImpl, err)
+		t.logger.Printf("unexpected error hashing piece with %T: %s", t.storage.TorrentImpl, err)
 	}
 	return
 }
@@ -802,7 +802,7 @@ func (t *Torrent) wantPieceIndex(index pieceIndex) bool {
 	if t.pendingPieces.Contains(bitmap.BitIndex(index)) {
 		return true
 	}
-	// log.Printf("piece %d not pending", index)
+	// t.logger.Printf("piece %d not pending", index)
 	return !t.forReaderOffsetPieces(func(begin, end pieceIndex) bool {
 		return index < begin || index >= end
 	})
@@ -900,7 +900,7 @@ func (t *Torrent) maybeNewConns() {
 }
 
 func (t *Torrent) piecePriorityChanged(piece pieceIndex) {
-	// log.Printf("piece %d priority changed", piece)
+	// t.logger.Printf("piece %d priority changed", piece)
 	for c := range t.conns {
 		if c.updatePiecePriority(piece) {
 			// log.Print("conn piece priority changed")
@@ -914,7 +914,7 @@ func (t *Torrent) piecePriorityChanged(piece pieceIndex) {
 func (t *Torrent) updatePiecePriority(piece pieceIndex) {
 	p := &t.pieces[piece]
 	newPrio := p.uncachedPriority()
-	// log.Printf("torrent %p: piece %d: uncached priority: %v", t, piece, newPrio)
+	// t.logger.Printf("torrent %p: piece %d: uncached priority: %v", t, piece, newPrio)
 	if newPrio == PiecePriorityNone {
 		if !t.pendingPieces.Remove(bitmap.BitIndex(piece)) {
 			return
@@ -1062,8 +1062,8 @@ func (t *Torrent) updatePieceCompletion(piece pieceIndex) {
 	p.storageCompletionOk = pcu.Ok
 	t.completedPieces.Set(bitmap.BitIndex(piece), pcu.Complete)
 	t.tickleReaders()
-	// log.Printf("piece %d uncached completion: %v", piece, pcu.Complete)
-	// log.Printf("piece %d changed: %v", piece, changed)
+	// t.logger.Printf("piece %d uncached completion: %v", piece, pcu.Complete)
+	// t.logger.Printf("piece %d changed: %v", piece, changed)
 	if changed {
 		t.pieceCompletionChanged(piece)
 	}
@@ -1099,7 +1099,7 @@ func (t *Torrent) maybeCompleteMetadata() error {
 		return fmt.Errorf("error setting info bytes: %s", err)
 	}
 	if t.cl.config.Debug {
-		log.Printf("%s: got metadata from peers", t)
+		t.logger.Printf("%s: got metadata from peers", t)
 	}
 	return nil
 }
@@ -1247,9 +1247,11 @@ func (t *Torrent) startScrapingTracker(_url string) {
 	}
 	u, err := url.Parse(_url)
 	if err != nil {
-		log.Str("error parsing tracker url").AddValues("url", _url).Log(t.logger)
-		// TODO: Handle urls with leading '*', some kind of silly uTorrent
-		// convention?
+		// URLs with a leading '*' appear to be a uTorrent convention to
+		// disable trackers.
+		if _url[0] != '*' {
+			log.Str("error parsing tracker url").AddValues("url", _url).Log(t.logger)
+		}
 		return
 	}
 	if u.Scheme == "udp" {
@@ -1383,7 +1385,7 @@ func (t *Torrent) dhtAnnouncer(s *dht.Server) {
 			if err == nil {
 				t.numDHTAnnounces++
 			} else {
-				log.Printf("error announcing %q to DHT: %s", t, err)
+				t.logger.Printf("error announcing %q to DHT: %s", t, err)
 			}
 		}()
 		select {
@@ -1539,7 +1541,7 @@ func (t *Torrent) pieceHashed(piece pieceIndex, correct bool) {
 		if correct {
 			pieceHashedCorrect.Add(1)
 		} else {
-			log.Printf("%s: piece %d (%s) failed hash: %d connections contributed", t, piece, p.hash, len(touchers))
+			log.Fmsg("piece failed hash: %d connections contributed", len(touchers)).AddValue(t, p).Log(t.logger)
 			pieceHashedNotCorrect.Add(1)
 		}
 	}
@@ -1554,7 +1556,7 @@ func (t *Torrent) pieceHashed(piece pieceIndex, correct bool) {
 		}
 		err := p.Storage().MarkComplete()
 		if err != nil {
-			log.Printf("%T: error marking piece complete %d: %s", t.storage, piece, err)
+			t.logger.Printf("%T: error marking piece complete %d: %s", t.storage, piece, err)
 		}
 	} else {
 		if len(touchers) != 0 {
@@ -1567,7 +1569,7 @@ func (t *Torrent) pieceHashed(piece pieceIndex, correct bool) {
 			}
 			slices.Sort(touchers, connLessTrusted)
 			if t.cl.config.Debug {
-				log.Printf("dropping first corresponding conn from trust: %v", func() (ret []int64) {
+				t.logger.Printf("dropping first corresponding conn from trust: %v", func() (ret []int64) {
 					for _, c := range touchers {
 						ret = append(ret, c.netGoodPiecesDirtied())
 					}
@@ -1605,7 +1607,7 @@ func (t *Torrent) onIncompletePiece(piece pieceIndex) {
 		t.pendAllChunkSpecs(piece)
 	}
 	if !t.wantPieceIndex(piece) {
-		// log.Printf("piece %d incomplete and unwanted", piece)
+		// t.logger.Printf("piece %d incomplete and unwanted", piece)
 		return
 	}
 	// We could drop any connections that we told we have a piece that we