Test with defmt-trace

.github/workflows/test.yml

@@ -73,9 +73,9 @@ jobs:
         include:
           # defmt doesn't support 1.40
           - rust: stable
-            features: defmt medium-ip medium-ethernet proto-ipv6 proto-ipv6 proto-igmp proto-dhcpv4 socket-raw socket-udp socket-tcp socket-icmp async
+            features: defmt defmt-trace medium-ip medium-ethernet proto-ipv6 proto-ipv6 proto-igmp proto-dhcpv4 socket-raw socket-udp socket-tcp socket-icmp async
           - rust: nightly
-            features: defmt medium-ip medium-ethernet proto-ipv6 proto-ipv6 proto-igmp proto-dhcpv4 socket-raw socket-udp socket-tcp socket-icmp async
+            features: defmt defmt-trace medium-ip medium-ethernet proto-ipv6 proto-ipv6 proto-igmp proto-dhcpv4 socket-raw socket-udp socket-tcp socket-icmp async
 
     steps:
       - uses: actions/checkout@v2