diff --git a/docs/serving/samples/cloudevents/cloudevents-rust/Cargo.lock b/docs/serving/samples/cloudevents/cloudevents-rust/Cargo.lock
index 7fd88f265..78a5b29d7 100644
--- a/docs/serving/samples/cloudevents/cloudevents-rust/Cargo.lock
+++ b/docs/serving/samples/cloudevents/cloudevents-rust/Cargo.lock
@@ -16,18 +16,34 @@ dependencies = [
 ]
 
 [[package]]
-name = "actix-connect"
-version = "1.0.2"
+name = "actix-codec"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c95cc9569221e9802bf4c377f6c18b90ef10227d787611decf79fd47d2a8e76c"
+checksum = "78d1833b3838dbe990df0f1f87baf640cf6146e898166afe401839d1b001e570"
 dependencies = [
- "actix-codec",
+ "bitflags",
+ "bytes",
+ "futures-core",
+ "futures-sink",
+ "log",
+ "pin-project",
+ "tokio",
+ "tokio-util 0.3.1",
+]
+
+[[package]]
+name = "actix-connect"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "177837a10863f15ba8d3ae3ec12fac1099099529ed20083a27fdfe247381d0dc"
+dependencies = [
+ "actix-codec 0.3.0",
  "actix-rt",
  "actix-service",
- "actix-utils",
+ "actix-utils 2.0.0",
  "derive_more",
  "either",
- "futures",
+ "futures-util",
  "http",
  "log",
  "trust-dns-proto",
@@ -36,26 +52,25 @@ dependencies = [
 
 [[package]]
 name = "actix-http"
-version = "1.0.1"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c16664cc4fdea8030837ad5a845eb231fb93fc3c5c171edfefb52fad92ce9019"
+checksum = "05dd80ba8f27c4a34357c07e338c8f5c38f8520e6d626ca1727d8fecc41b0cab"
 dependencies = [
- "actix-codec",
+ "actix-codec 0.3.0",
  "actix-connect",
  "actix-rt",
  "actix-service",
  "actix-threadpool",
- "actix-utils",
- "base64 0.11.0",
+ "actix-utils 2.0.0",
+ "base64 0.12.1",
  "bitflags",
  "brotli2",
  "bytes",
- "chrono",
+ "cookie",
  "copyless",
  "derive_more",
  "either",
  "encoding_rs",
- "failure",
  "flate2",
  "futures-channel",
  "futures-core",
@@ -65,6 +80,7 @@ dependencies = [
  "http",
  "httparse",
  "indexmap",
+ "itoa",
  "language-tags",
  "lazy_static",
  "log",
@@ -76,9 +92,9 @@ dependencies = [
  "serde",
  "serde_json",
  "serde_urlencoded",
- "sha1",
+ "sha-1",
  "slab",
- "time",
+ "time 0.2.22",
 ]
 
 [[package]]
@@ -125,10 +141,10 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6d74b464215a473c973a2d7d03a69cc10f4ce1f4b38a7659c5193dc5c675630"
 dependencies = [
- "actix-codec",
+ "actix-codec 0.2.0",
  "actix-rt",
  "actix-service",
- "actix-utils",
+ "actix-utils 1.0.6",
  "futures-channel",
  "futures-util",
  "log",
@@ -141,9 +157,9 @@ dependencies = [
 
 [[package]]
 name = "actix-service"
-version = "1.0.5"
+version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3e4fc95dfa7e24171b2d0bb46b85f8ab0e8499e4e3caec691fc4ea65c287564"
+checksum = "0052435d581b5be835d11f4eb3bce417c8af18d87ddf8ace99f8e67e595882bb"
 dependencies = [
  "futures-util",
  "pin-project",
@@ -180,18 +196,14 @@ dependencies = [
 
 [[package]]
 name = "actix-tls"
-version = "1.0.0"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a4e5b4faaf105e9a6d389c606c298dcdb033061b00d532af9df56ff3a54995a8"
+checksum = "24789b7d7361cf5503a504ebe1c10806896f61e96eca9a7350e23001aca715fb"
 dependencies = [
- "actix-codec",
- "actix-rt",
+ "actix-codec 0.3.0",
  "actix-service",
- "actix-utils",
- "derive_more",
- "either",
- "futures",
- "log",
+ "actix-utils 2.0.0",
+ "futures-util",
 ]
 
 [[package]]
@@ -200,7 +212,7 @@ version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fcf8f5631bf01adec2267808f00e228b761c60c0584cc9fa0b5364f41d147f4e"
 dependencies = [
- "actix-codec",
+ "actix-codec 0.2.0",
  "actix-rt",
  "actix-service",
  "bitflags",
@@ -213,12 +225,32 @@ dependencies = [
 ]
 
 [[package]]
-name = "actix-web"
+name = "actix-utils"
 version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3158e822461040822f0dbf1735b9c2ce1f95f93b651d7a7aded00b1efbb1f635"
+checksum = "2e9022dec56632d1d7979e59af14f0597a28a830a9c1c7fec8b2327eb9f16b5a"
 dependencies = [
- "actix-codec",
+ "actix-codec 0.3.0",
+ "actix-rt",
+ "actix-service",
+ "bitflags",
+ "bytes",
+ "either",
+ "futures-channel",
+ "futures-sink",
+ "futures-util",
+ "log",
+ "pin-project",
+ "slab",
+]
+
+[[package]]
+name = "actix-web"
+version = "3.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1b12fe25e11cd9ed2ef2e428427eb6178a1b363f3f7f0dab8278572f11b2da1"
+dependencies = [
+ "actix-codec 0.3.0",
  "actix-http",
  "actix-macros",
  "actix-router",
@@ -228,31 +260,34 @@ dependencies = [
  "actix-testing",
  "actix-threadpool",
  "actix-tls",
- "actix-utils",
+ "actix-utils 2.0.0",
  "actix-web-codegen",
  "awc",
  "bytes",
  "derive_more",
  "encoding_rs",
- "futures",
+ "futures-channel",
+ "futures-core",
+ "futures-util",
  "fxhash",
  "log",
  "mime",
- "net2",
  "pin-project",
  "regex",
  "serde",
  "serde_json",
  "serde_urlencoded",
- "time",
+ "socket2",
+ "time 0.2.22",
+ "tinyvec",
  "url",
 ]
 
 [[package]]
 name = "actix-web-codegen"
-version = "0.2.1"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f00371942083469785f7e28c540164af1913ee7c96a4534acb9cea92c39f057"
+checksum = "750ca8fb60bbdc79491991650ba5d2ae7cd75f3fc00ead51390cfe9efda0d4d8"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -319,15 +354,15 @@ checksum = "f8aac770f1885fd7e387acedd76065302551364496e46b3dd00860b2f8359b9d"
 
 [[package]]
 name = "awc"
-version = "1.0.1"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7601d4d1d7ef2335d6597a41b5fe069f6ab799b85f53565ab390e7b7065aac5"
+checksum = "150e00c06683ab44c5f97d033950e5d87a7a042d06d77f5eecb443cbd23d0575"
 dependencies = [
- "actix-codec",
+ "actix-codec 0.3.0",
  "actix-http",
  "actix-rt",
  "actix-service",
- "base64 0.11.0",
+ "base64 0.12.1",
  "bytes",
  "derive_more",
  "futures-core",
@@ -353,6 +388,12 @@ dependencies = [
  "rustc-demangle",
 ]
 
+[[package]]
+name = "base-x"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b20b618342cf9891c292c4f5ac2cde7287cc5c87e87e9c769d617793607dec1"
+
 [[package]]
 name = "base64"
 version = "0.11.0"
@@ -371,6 +412,15 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
+[[package]]
+name = "block-buffer"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "brotli-sys"
 version = "0.3.2"
@@ -439,7 +489,7 @@ dependencies = [
  "num-integer",
  "num-traits",
  "serde",
- "time",
+ "time 0.1.43",
 ]
 
 [[package]]
@@ -453,13 +503,13 @@ dependencies = [
 
 [[package]]
 name = "cloudevents-sdk"
-version = "0.2.0"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c814591b300c224c5705c7579a4c80d68aa3472c0d9f0da8c20a74ce40b4bed"
+checksum = "def892ec210149befc5c0665267042c7a4c8a560c04b17a0652e6f1506e25328"
 dependencies = [
  "base64 0.12.1",
  "chrono",
- "delegate",
+ "delegate-attr",
  "hostname",
  "serde",
  "serde-value",
@@ -472,9 +522,9 @@ dependencies = [
 
 [[package]]
 name = "cloudevents-sdk-actix-web"
-version = "0.2.0"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d0b874f8f39a3c09b9d114c4d8e9976e23e95c1a9bce7842eca3b54ca13b413"
+checksum = "1484783cb71407780c5718096cbde4d860099d971a4564f674cadc780749c1df"
 dependencies = [
  "actix-rt",
  "actix-web",
@@ -487,9 +537,9 @@ dependencies = [
 
 [[package]]
 name = "cloudevents-sdk-reqwest"
-version = "0.2.0"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99cd21a76c14f95331e162fcf6bbafb13d02c5fd5098c1c3e0424f9dddac929c"
+checksum = "da53165fffcc2054d0b320046d561555d9597dd42fd1a6ec37d0eed84b828665"
 dependencies = [
  "async-trait",
  "bytes",
@@ -498,6 +548,23 @@ dependencies = [
  "reqwest",
 ]
 
+[[package]]
+name = "const_fn"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce90df4c658c62f12d78f7508cf92f9173e5184a539c10bfe54a3107b3ffd0f2"
+
+[[package]]
+name = "cookie"
+version = "0.14.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1373a16a4937bc34efec7b391f9c1500c30b8478a701a4f44c9165cc0475a6e0"
+dependencies = [
+ "percent-encoding",
+ "time 0.2.22",
+ "version_check",
+]
+
 [[package]]
 name = "copyless"
 version = "0.1.4"
@@ -520,6 +587,12 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b3a71ab494c0b5b860bdc8407ae08978052417070c2ced38573a9157ad75b8ac"
 
+[[package]]
+name = "cpuid-bool"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8aebca1129a03dc6dc2b127edd729435bbc4a37e1d5f4d7513165089ceb02634"
+
 [[package]]
 name = "crc32fast"
 version = "1.2.0"
@@ -539,10 +612,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "delegate"
-version = "0.4.2"
+name = "delegate-attr"
+version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ff92cdb050ffc6acaa14d0904a021ddb46602259bc9d18bd667e871d2c70670f"
+checksum = "ee7e7ea0dba407429d816e8e38dda1a467cd74737722f2ccc8eae60429a1a3ab"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -560,6 +633,21 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "digest"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
+dependencies = [
+ "generic-array",
+]
+
+[[package]]
+name = "discard"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "212d0f5754cb6769937f4501cc0e67f4f4483c8d2c3e1e922ee9edbe4ab4c7c0"
+
 [[package]]
 name = "doc-comment"
 version = "0.3.3"
@@ -612,28 +700,6 @@ dependencies = [
  "termcolor",
 ]
 
-[[package]]
-name = "failure"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d32e9bd16cc02eae7db7ef620b392808b89f6a5e16bb3497d159c6b92a0f4f86"
-dependencies = [
- "backtrace",
- "failure_derive",
-]
-
-[[package]]
-name = "failure_derive"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa4da3c766cd7a0db8242e326e9e4e081edd567072893ed320008189715366a4"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "synstructure",
-]
-
 [[package]]
 name = "flate2"
 version = "1.0.14"
@@ -772,6 +838,16 @@ dependencies = [
  "byteorder",
 ]
 
+[[package]]
+name = "generic-array"
+version = "0.14.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "501466ecc8a30d1d3b7fc9229b122b2ce8ed6e9d9223f1138d4babb253e51817"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.1.14"
@@ -892,7 +968,7 @@ dependencies = [
  "log",
  "net2",
  "pin-project",
- "time",
+ "time 0.1.43",
  "tokio",
  "tower-service",
  "want",
@@ -1186,6 +1262,12 @@ version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b631f7e854af39a1739f401cf34a8a013dfe09eac4fa4dba91e9768bd28168d"
 
+[[package]]
+name = "opaque-debug"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
+
 [[package]]
 name = "openssl-probe"
 version = "0.1.2"
@@ -1395,7 +1477,7 @@ dependencies = [
  "rustls",
  "serde",
  "serde_urlencoded",
- "time",
+ "time 0.1.43",
  "tokio",
  "tokio-rustls",
  "url",
@@ -1437,6 +1519,15 @@ version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4c691c0e608126e00913e33f0ccf3727d5fc84573623b8d65b2df340b5201783"
 
+[[package]]
+name = "rustc_version"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
+dependencies = [
+ "semver",
+]
+
 [[package]]
 name = "rustls"
 version = "0.17.0"
@@ -1517,6 +1608,21 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "semver"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
+dependencies = [
+ "semver-parser",
+]
+
+[[package]]
+name = "semver-parser"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
+
 [[package]]
 name = "serde"
 version = "1.0.110"
@@ -1570,6 +1676,19 @@ dependencies = [
  "url",
 ]
 
+[[package]]
+name = "sha-1"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "170a36ea86c864a3f16dd2687712dd6646f7019f301e57537c7f4dc9f5916770"
+dependencies = [
+ "block-buffer",
+ "cfg-if",
+ "cpuid-bool",
+ "digest",
+ "opaque-debug",
+]
+
 [[package]]
 name = "sha1"
 version = "0.6.0"
@@ -1637,6 +1756,61 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 
+[[package]]
+name = "standback"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47e4b8c631c998468961a9ea159f064c5c8499b95b5e4a34b77849d45949d540"
+
+[[package]]
+name = "stdweb"
+version = "0.4.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d022496b16281348b52d0e30ae99e01a73d737b2f45d38fed4edf79f9325a1d5"
+dependencies = [
+ "discard",
+ "rustc_version",
+ "stdweb-derive",
+ "stdweb-internal-macros",
+ "stdweb-internal-runtime",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "stdweb-derive"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c87a60a40fccc84bef0652345bbbbbe20a605bf5d0ce81719fc476f5c03b50ef"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "serde",
+ "serde_derive",
+ "syn",
+]
+
+[[package]]
+name = "stdweb-internal-macros"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "58fa5ff6ad0d98d1ffa8cb115892b6e69d67799f6763e162a1c9db421dc22e11"
+dependencies = [
+ "base-x",
+ "proc-macro2",
+ "quote",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "sha1",
+ "syn",
+]
+
+[[package]]
+name = "stdweb-internal-runtime"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "213701ba3370744dcd1a12960caa4843b3d68b4d1c0a5d575e0d65b2ee9d16c0"
+
 [[package]]
 name = "syn"
 version = "1.0.22"
@@ -1648,18 +1822,6 @@ dependencies = [
  "unicode-xid",
 ]
 
-[[package]]
-name = "synstructure"
-version = "0.12.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "67656ea1dc1b41b1451851562ea232ec2e5a80242139f7e679ceccfb5d61f545"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "unicode-xid",
-]
-
 [[package]]
 name = "termcolor"
 version = "1.1.0"
@@ -1669,6 +1831,26 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "thiserror"
+version = "1.0.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "318234ffa22e0920fe9a40d7b8369b5f649d490980cf7aadcf1eb91594869b42"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cae2447b6282786c3493999f40a9be2a6ad20cb8bd268b0a0dbf5a065535c0ab"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "thread_local"
 version = "1.0.1"
@@ -1697,6 +1879,59 @@ dependencies = [
  "winapi 0.3.8",
 ]
 
+[[package]]
+name = "time"
+version = "0.2.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "55b7151c9065e80917fbf285d9a5d1432f60db41d170ccafc749a136b41a93af"
+dependencies = [
+ "const_fn",
+ "libc",
+ "standback",
+ "stdweb",
+ "time-macros",
+ "version_check",
+ "winapi 0.3.8",
+]
+
+[[package]]
+name = "time-macros"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "957e9c6e26f12cb6d0dd7fc776bb67a706312e7299aed74c8dd5b17ebb27e2f1"
+dependencies = [
+ "proc-macro-hack",
+ "time-macros-impl",
+]
+
+[[package]]
+name = "time-macros-impl"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5c3be1edfad6027c69f5491cf4cb310d1a71ecd6af742788c6ff8bced86b8fa"
+dependencies = [
+ "proc-macro-hack",
+ "proc-macro2",
+ "quote",
+ "standback",
+ "syn",
+]
+
+[[package]]
+name = "tinyvec"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b78a366903f506d2ad52ca8dc552102ffdd3e937ba8a227f024dc1d1eae28575"
+dependencies = [
+ "tinyvec_macros",
+]
+
+[[package]]
+name = "tinyvec_macros"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
+
 [[package]]
 name = "tokio"
 version = "0.2.21"
@@ -1766,32 +2001,32 @@ checksum = "e987b6bf443f4b5b3b6f38704195592cca41c5bb7aedd3c3693c7081f8289860"
 
 [[package]]
 name = "trust-dns-proto"
-version = "0.18.0-alpha.2"
+version = "0.19.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a7f3a2ab8a919f5eca52a468866a67ed7d3efa265d48a652a9a3452272b413f"
+checksum = "cdd7061ba6f4d4d9721afedffbfd403f20f39a4301fee1b70d6fcd09cca69f28"
 dependencies = [
  "async-trait",
+ "backtrace",
  "enum-as-inner",
- "failure",
  "futures",
  "idna",
  "lazy_static",
  "log",
  "rand",
  "smallvec",
- "socket2",
+ "thiserror",
  "tokio",
  "url",
 ]
 
 [[package]]
 name = "trust-dns-resolver"
-version = "0.18.0-alpha.2"
+version = "0.19.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f90b1502b226f8b2514c6d5b37bafa8c200d7ca4102d57dc36ee0f3b7a04a2f"
+checksum = "0f23cdfdc3d8300b3c50c9e84302d3bd6d860fb9529af84ace6cf9665f181b77"
 dependencies = [
+ "backtrace",
  "cfg-if",
- "failure",
  "futures",
  "ipconfig",
  "lazy_static",
@@ -1799,6 +2034,7 @@ dependencies = [
  "lru-cache",
  "resolv-conf",
  "smallvec",
+ "thiserror",
  "tokio",
  "trust-dns-proto",
 ]
@@ -1809,6 +2045,12 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e604eb7b43c06650e854be16a2a03155743d3752dd1c943f6829e26b7a36e382"
 
+[[package]]
+name = "typenum"
+version = "1.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "373c8a200f9e67a0c95e62a4f52fbf80c23b4381c05a17845531982fa99e6b33"
+
 [[package]]
 name = "unicase"
 version = "2.6.0"
diff --git a/docs/serving/samples/cloudevents/cloudevents-rust/Cargo.toml b/docs/serving/samples/cloudevents/cloudevents-rust/Cargo.toml
index 80770cac7..0c26535e3 100644
--- a/docs/serving/samples/cloudevents/cloudevents-rust/Cargo.toml
+++ b/docs/serving/samples/cloudevents/cloudevents-rust/Cargo.toml
@@ -21,11 +21,11 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-cloudevents-sdk = "0.2.0"
-cloudevents-sdk-actix-web = "0.2.0"
-cloudevents-sdk-reqwest = "0.2.0"
+cloudevents-sdk = "0.3.0"
+cloudevents-sdk-actix-web = "0.3.0"
+cloudevents-sdk-reqwest = "0.3.0"
 reqwest = { version = "0.10.4", default-features = false, features = ["rustls-tls"] }
-actix-web = "2"
+actix-web = "^3"
 actix-rt = "1"
 serde_json = "^1.0"
 url = "^2.1"
diff --git a/docs/serving/samples/cloudevents/cloudevents-rust/src/main.rs b/docs/serving/samples/cloudevents/cloudevents-rust/src/main.rs
index 1dc9f26fa..c3ead4abd 100644
--- a/docs/serving/samples/cloudevents/cloudevents-rust/src/main.rs
+++ b/docs/serving/samples/cloudevents/cloudevents-rust/src/main.rs
@@ -21,7 +21,7 @@ use actix_web::dev::HttpResponseBuilder;
 use actix_web::http::StatusCode;
 use actix_web::{post, web, App, HttpRequest, HttpResponse, HttpServer};
 use cloudevents::{EventBuilder, EventBuilderV10};
-use cloudevents_sdk_actix_web::{RequestExt, HttpResponseBuilderExt};
+use cloudevents_sdk_actix_web::{HttpRequestExt, HttpResponseBuilderExt};
 use cloudevents_sdk_reqwest::RequestBuilderExt;
 
 #[post("/")]
@@ -29,8 +29,8 @@ async fn reply_event(
     req: HttpRequest,
     payload: web::Payload,
 ) -> Result<HttpResponse, actix_web::Error> {
-    let request_event = req.into_event(payload).await?;
-    info!("Received Event: {:?}", request_event);
+    let request_event = req.to_event(payload).await?;
+    info!("{}", request_event);
 
     // Build response event cloning the original event and setting the new type and source
     let response_event = EventBuilderV10::from(request_event)
@@ -53,8 +53,8 @@ async fn forward_event(
 ) -> Result<HttpResponse, actix_web::Error> {
     let sink_url: &str = &sink_url;
 
-    let request_event = req.into_event(payload).await?;
-    info!("Received Event: {:?}", request_event);
+    let request_event = req.to_event(payload).await?;
+    info!("{}", request_event);
 
     // Build response event cloning the original event and setting the new type and source
     let forward_event = EventBuilderV10::from(request_event)