Adjust cargo workspace hack to miri/cargo interactions

Author: oli-obk

Cargo.lock

@@ -2260,8 +2260,10 @@ dependencies = [
 name = "rustc-workspace-hack"
 version = "1.0.0"
 dependencies = [
+ "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.82 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",

src/tools/rustc-workspace-hack/Cargo.toml

@@ -50,12 +50,15 @@ features = [
 ]
 
 [dependencies]
-curl-sys = { version = "0.4.13", optional = true }
+curl-sys = { version = "0.4.13", features = ["http2", "libnghttp2-sys"], optional = true }
 parking_lot = { version = "0.6", features = ['nightly'] }
 rand = { version = "0.5.5", features = ["i128_support"] }
 serde = { version = "1.0.82", features = ['derive'] }
 serde_json = { version = "1.0.31", features = ["raw_value"] }
 smallvec = { version = "0.6", features = ['union'] }
+scopeguard = { version = "0.3.3", features = ["use_std", "default"]}
+byteorder = { version = "1.2.7", features = ["i128"]}
+
 
 [target.'cfg(not(windows))'.dependencies]
 openssl = { version = "0.10.12", optional = true }