pin all alpha dependencies (#19)

tonic-examples/Cargo.toml

@@ -54,7 +54,7 @@ tokio = "=0.2.0-alpha.6"
 futures-preview = { version = "=0.3.0-alpha.19", default-features = false, features = ["alloc"]}
 async-stream = "0.1.2"
 http = "0.1"
-tower = "0.3.0-alpha.2"
+tower = "=0.3.0-alpha.2"
 
 # Required for routeguide
 serde = { version = "1.0", features = ["derive"] }

tonic-interop/Cargo.toml

@@ -22,8 +22,8 @@ http = "0.1"
 futures-core-preview = "=0.3.0-alpha.19"
 futures-util-preview = "=0.3.0-alpha.19"
 async-stream = "0.1.2"
-tower = "0.3.0-alpha.2"
-http-body = "0.2.0-alpha.2"
+tower = "=0.3.0-alpha.2"
+http-body = "=0.2.0-alpha.2"
 
 console = "0.7"
 structopt = "0.2"

tonic/Cargo.toml

@@ -49,7 +49,7 @@ percent-encoding = "1.0.1"
 tower-service = "=0.3.0-alpha.2"
 tokio-codec = "=0.2.0-alpha.6"
 async-stream = "0.1.2"
-http-body = "0.2.0-alpha.3"
+http-body = "=0.2.0-alpha.2"
 pin-project = "^0.4"
 
 # prost
@@ -60,7 +60,7 @@ prost-derive = { version = "0.5", optional = true }
 async-trait = { version = "0.1.13", optional = true }
 
 # transport
-hyper = { version = "0.13.0-alpha.3", features = ["unstable-stream"], optional = true }
+hyper = { version = "=0.13.0-alpha.3", features = ["unstable-stream"], optional = true }
 tokio = { version = "=0.2.0-alpha.6", default-features = false, features = ["tcp"], optional = true }
 tower = { version = "=0.3.0-alpha.2", optional = true}
 tower-make = "=0.3.0-alpha.2a"
@@ -73,4 +73,4 @@ tokio-openssl = { version = "=0.4.0-alpha.6", optional = true }
 openssl1 = { package = "openssl", version = "0.10", optional = true }
 
 # rustls
-tokio-rustls = { version = "0.12.0-alpha.4", optional = true }
+tokio-rustls = { version = "=0.12.0-alpha.4", optional = true }