[dependencies]
curl-sys = { version = "0.4.13", features = ["http2", "libnghttp2-sys"], optional = true }
-crossbeam-utils = { version = "0.6.5", features = ["nightly"] }
+crossbeam-utils = { version = "0.7.2", features = ["nightly"] }
serde = { version = "1.0.82", features = ['derive'] }
serde_json = { version = "1.0.31", features = ["raw_value"] }
smallvec-0_6 = { package = "smallvec", version = "0.6", features = ['union', 'may_dangle'] }