protocols/dcutr: Disable libp2p-core default features (#2836)

Author: elenaf9

protocols/dcutr/CHANGELOG.md

@@ -1,3 +1,9 @@
+# 0.5.1
+
+- Make default features of `libp2p-core` optional. See [PR 2836].
+
+[PR 2836]: https://github.com/libp2p/rust-libp2p/pull/2836/
+
 # 0.5.0
 
 - Update to `libp2p-swarm` `v0.38.0`.

protocols/dcutr/Cargo.toml

@@ -3,7 +3,7 @@ name = "libp2p-dcutr"
 edition = "2021"
 rust-version = "1.56.1"
 description = "Direct connection upgrade through relay"
-version = "0.5.0"
+version = "0.5.1"
 authors = ["Max Inden <[email protected]>"]
 license = "MIT"
 repository = "https://github.com/libp2p/rust-libp2p"
@@ -17,7 +17,7 @@ either = "1.6.0"
 futures = "0.3.1"
 futures-timer = "3.0"
 instant = "0.1.11"
-libp2p-core = { version = "0.35.0", path = "../../core" }
+libp2p-core = { version = "0.35.0", path = "../../core", default-features = false }
 libp2p-swarm = { version = "0.38.0", path = "../../swarm" }
 log = "0.4"
 prost-codec = { version = "0.2", path = "../../misc/prost-codec" }