fix minimal version compilation

.github/workflows/ci.yml

@@ -52,7 +52,7 @@ jobs:
     steps:
     - uses: actions/checkout@v1
 
-    - name: Install toolchain
+    - name: Install nightly toolchain
       uses: dtolnay/rust-toolchain@nightly
 
     - name: Generate Cargo.lock with minimal versions
@@ -63,7 +63,10 @@ jobs:
         # multistream-select 0.13 depends on log 0.4, however it can only
         # compile with log 0.4.4 and above. When multistream-select 0.14
         # is released, this will not be needed.
-        cargo update -p log --precise 0.4.4
+        cargo +nightly update -p log --precise 0.4.4
+
+    - name: Install 1.73.0 toolchain
+      uses: dtolnay/rust-toolchain@stable
 
     - name: Set up cargo cache
       uses: actions/cache@v3
@@ -80,7 +83,7 @@ jobs:
           cargo-
 
     - name: Run tests
-      run: cargo test --locked
+      run: cargo +1.73.0 test --locked
 
 
   unused-deps:

Cargo.toml

@@ -15,7 +15,7 @@ fnv = "1.0.5"
 futures = "0.3"
 futures-timer = "3"
 libp2p-core = "0.41"
-libp2p-identity = "0.2.8"
+libp2p-identity = "0.2"
 libp2p-swarm = "0.44"
 multihash-codetable = "0.1"
 quick-protobuf = "0.8"