diff --git a/Cargo.nix b/Cargo.nix
index f39cf7a..96fdc5d 100644
--- a/Cargo.nix
+++ b/Cargo.nix
@@ -27,7 +27,7 @@ in
 {
   cargo2nixVersion = "0.8.2";
   workspace = {
-    hoc = rustPackages.unknown.hoc."0.11.7";
+    hoc = rustPackages.unknown.hoc."0.11.8";
   };
   "registry+https://github.com/rust-lang/crates.io-index".actix-codec."0.2.0" = overridableMkRustCrate (profileName: rec {
     name = "actix-codec";
@@ -105,7 +105,7 @@ in
       futures_core = rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-core."0.3.4" { inherit profileName; };
       futures_util = rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-util."0.3.4" { inherit profileName; };
       fxhash = rustPackages."registry+https://github.com/rust-lang/crates.io-index".fxhash."0.2.1" { inherit profileName; };
-      h2 = rustPackages."registry+https://github.com/rust-lang/crates.io-index".h2."0.2.1" { inherit profileName; };
+      h2 = rustPackages."registry+https://github.com/rust-lang/crates.io-index".h2."0.2.4" { inherit profileName; };
       http = rustPackages."registry+https://github.com/rust-lang/crates.io-index".http."0.2.0" { inherit profileName; };
       httparse = rustPackages."registry+https://github.com/rust-lang/crates.io-index".httparse."1.3.4" { inherit profileName; };
       indexmap = rustPackages."registry+https://github.com/rust-lang/crates.io-index".indexmap."1.3.2" { inherit profileName; };
@@ -118,7 +118,7 @@ in
       rand = rustPackages."registry+https://github.com/rust-lang/crates.io-index".rand."0.7.3" { inherit profileName; };
       regex = rustPackages."registry+https://github.com/rust-lang/crates.io-index".regex."1.3.4" { inherit profileName; };
       serde = rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.105" { inherit profileName; };
-      serde_json = rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_json."1.0.48" { inherit profileName; };
+      serde_json = rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_json."1.0.50" { inherit profileName; };
       serde_urlencoded = rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_urlencoded."0.6.1" { inherit profileName; };
       sha1 = rustPackages."registry+https://github.com/rust-lang/crates.io-index".sha1."0.6.0" { inherit profileName; };
       slab = rustPackages."registry+https://github.com/rust-lang/crates.io-index".slab."0.4.2" { inherit profileName; };
@@ -309,7 +309,7 @@ in
       pin_project = rustPackages."registry+https://github.com/rust-lang/crates.io-index".pin-project."0.4.8" { inherit profileName; };
       regex = rustPackages."registry+https://github.com/rust-lang/crates.io-index".regex."1.3.4" { inherit profileName; };
       serde = rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.105" { inherit profileName; };
-      serde_json = rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_json."1.0.48" { inherit profileName; };
+      serde_json = rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_json."1.0.50" { inherit profileName; };
       serde_urlencoded = rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_urlencoded."0.6.1" { inherit profileName; };
       time = rustPackages."registry+https://github.com/rust-lang/crates.io-index".time."0.1.42" { inherit profileName; };
       url = rustPackages."registry+https://github.com/rust-lang/crates.io-index".url."2.1.1" { inherit profileName; };
@@ -445,7 +445,7 @@ in
       percent_encoding = rustPackages."registry+https://github.com/rust-lang/crates.io-index".percent-encoding."2.1.0" { inherit profileName; };
       rand = rustPackages."registry+https://github.com/rust-lang/crates.io-index".rand."0.7.3" { inherit profileName; };
       serde = rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.105" { inherit profileName; };
-      serde_json = rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_json."1.0.48" { inherit profileName; };
+      serde_json = rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_json."1.0.50" { inherit profileName; };
       serde_urlencoded = rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_urlencoded."0.6.1" { inherit profileName; };
     };
   });
@@ -1077,11 +1077,11 @@ in
     };
   });
   
-  "registry+https://github.com/rust-lang/crates.io-index".git2."0.13.0" = overridableMkRustCrate (profileName: rec {
+  "registry+https://github.com/rust-lang/crates.io-index".git2."0.13.1" = overridableMkRustCrate (profileName: rec {
     name = "git2";
-    version = "0.13.0";
+    version = "0.13.1";
     registry = "registry+https://github.com/rust-lang/crates.io-index";
-    src = fetchCratesIo { inherit name version; sha256 = "b7da16ceafe24cedd9ba02c4463a2b506b6493baf4317c79c5acb553134a3c15"; };
+    src = fetchCratesIo { inherit name version; sha256 = "ef222034f2069cfc5af01ce423574d3d9a3925bd4052912a14e5bcfd7ca9e47a"; };
     features = builtins.concatLists [
       [ "default" ]
       [ "https" ]
@@ -1093,7 +1093,7 @@ in
     dependencies = {
       bitflags = rustPackages."registry+https://github.com/rust-lang/crates.io-index".bitflags."1.2.1" { inherit profileName; };
       libc = rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.66" { inherit profileName; };
-      libgit2_sys = rustPackages."registry+https://github.com/rust-lang/crates.io-index".libgit2-sys."0.12.0+0.99.0" { inherit profileName; };
+      libgit2_sys = rustPackages."registry+https://github.com/rust-lang/crates.io-index".libgit2-sys."0.12.2+1.0.0" { inherit profileName; };
       log = rustPackages."registry+https://github.com/rust-lang/crates.io-index".log."0.4.8" { inherit profileName; };
       ${ if hostPlatform.isUnix && !(hostPlatform.parsed.kernel.name == "darwin") then "openssl_probe" else null } = rustPackages."registry+https://github.com/rust-lang/crates.io-index".openssl-probe."0.1.2" { inherit profileName; };
       ${ if hostPlatform.isUnix && !(hostPlatform.parsed.kernel.name == "darwin") then "openssl_sys" else null } = rustPackages."registry+https://github.com/rust-lang/crates.io-index".openssl-sys."0.9.54" { inherit profileName; };
@@ -1101,11 +1101,11 @@ in
     };
   });
   
-  "registry+https://github.com/rust-lang/crates.io-index".h2."0.2.1" = overridableMkRustCrate (profileName: rec {
+  "registry+https://github.com/rust-lang/crates.io-index".h2."0.2.4" = overridableMkRustCrate (profileName: rec {
     name = "h2";
-    version = "0.2.1";
+    version = "0.2.4";
     registry = "registry+https://github.com/rust-lang/crates.io-index";
-    src = fetchCratesIo { inherit name version; sha256 = "b9433d71e471c1736fd5a61b671fc0b148d7a2992f666c958d03cd8feb3b88d1"; };
+    src = fetchCratesIo { inherit name version; sha256 = "377038bf3c89d18d6ca1431e7a5027194fbd724ca10592b9487ede5e8e144f42"; };
     dependencies = {
       bytes = rustPackages."registry+https://github.com/rust-lang/crates.io-index".bytes."0.5.4" { inherit profileName; };
       fnv = rustPackages."registry+https://github.com/rust-lang/crates.io-index".fnv."1.0.6" { inherit profileName; };
@@ -1117,7 +1117,7 @@ in
       log = rustPackages."registry+https://github.com/rust-lang/crates.io-index".log."0.4.8" { inherit profileName; };
       slab = rustPackages."registry+https://github.com/rust-lang/crates.io-index".slab."0.4.2" { inherit profileName; };
       tokio = rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio."0.2.11" { inherit profileName; };
-      tokio_util = rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio-util."0.2.0" { inherit profileName; };
+      tokio_util = rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio-util."0.3.1" { inherit profileName; };
     };
   });
   
@@ -1144,9 +1144,9 @@ in
     };
   });
   
-  "unknown".hoc."0.11.7" = overridableMkRustCrate (profileName: rec {
+  "unknown".hoc."0.11.8" = overridableMkRustCrate (profileName: rec {
     name = "hoc";
-    version = "0.11.7";
+    version = "0.11.8";
     registry = "unknown";
     src = fetchCrateLocal ./.;
     dependencies = {
@@ -1155,16 +1155,16 @@ in
       badge = rustPackages."registry+https://github.com/rust-lang/crates.io-index".badge."0.2.0" { inherit profileName; };
       bytes = rustPackages."registry+https://github.com/rust-lang/crates.io-index".bytes."0.5.4" { inherit profileName; };
       futures = rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures."0.3.4" { inherit profileName; };
-      git2 = rustPackages."registry+https://github.com/rust-lang/crates.io-index".git2."0.13.0" { inherit profileName; };
+      git2 = rustPackages."registry+https://github.com/rust-lang/crates.io-index".git2."0.13.1" { inherit profileName; };
       lazy_static = rustPackages."registry+https://github.com/rust-lang/crates.io-index".lazy_static."1.4.0" { inherit profileName; };
       log = rustPackages."registry+https://github.com/rust-lang/crates.io-index".log."0.4.8" { inherit profileName; };
       log4rs = rustPackages."registry+https://github.com/rust-lang/crates.io-index".log4rs."0.11.0" { inherit profileName; };
       number_prefix = rustPackages."registry+https://github.com/rust-lang/crates.io-index".number_prefix."0.3.0" { inherit profileName; };
       openssl_probe = rustPackages."registry+https://github.com/rust-lang/crates.io-index".openssl-probe."0.1.2" { inherit profileName; };
-      reqwest = rustPackages."registry+https://github.com/rust-lang/crates.io-index".reqwest."0.10.3" { inherit profileName; };
+      reqwest = rustPackages."registry+https://github.com/rust-lang/crates.io-index".reqwest."0.10.4" { inherit profileName; };
       serde = rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.105" { inherit profileName; };
       serde_derive = buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_derive."1.0.105" { profileName = "__noProfile"; };
-      serde_json = rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_json."1.0.48" { inherit profileName; };
+      serde_json = rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_json."1.0.50" { inherit profileName; };
       structopt = rustPackages."registry+https://github.com/rust-lang/crates.io-index".structopt."0.3.12" { inherit profileName; };
     };
     buildDependencies = {
@@ -1228,11 +1228,11 @@ in
     };
   });
   
-  "registry+https://github.com/rust-lang/crates.io-index".hyper."0.13.2" = overridableMkRustCrate (profileName: rec {
+  "registry+https://github.com/rust-lang/crates.io-index".hyper."0.13.4" = overridableMkRustCrate (profileName: rec {
     name = "hyper";
-    version = "0.13.2";
+    version = "0.13.4";
     registry = "registry+https://github.com/rust-lang/crates.io-index";
-    src = fetchCratesIo { inherit name version; sha256 = "fa1c527bbc634be72aa7ba31e4e4def9bbb020f5416916279b7c705cd838893e"; };
+    src = fetchCratesIo { inherit name version; sha256 = "ed6081100e960d9d74734659ffc9cc91daf1c0fc7aceb8eaa94ee1a3f5046f2e"; };
     features = builtins.concatLists [
       [ "net2" ]
       [ "tcp" ]
@@ -1242,7 +1242,7 @@ in
       futures_channel = rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-channel."0.3.4" { inherit profileName; };
       futures_core = rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-core."0.3.4" { inherit profileName; };
       futures_util = rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-util."0.3.4" { inherit profileName; };
-      h2 = rustPackages."registry+https://github.com/rust-lang/crates.io-index".h2."0.2.1" { inherit profileName; };
+      h2 = rustPackages."registry+https://github.com/rust-lang/crates.io-index".h2."0.2.4" { inherit profileName; };
       http = rustPackages."registry+https://github.com/rust-lang/crates.io-index".http."0.2.0" { inherit profileName; };
       http_body = rustPackages."registry+https://github.com/rust-lang/crates.io-index".http-body."0.3.1" { inherit profileName; };
       httparse = rustPackages."registry+https://github.com/rust-lang/crates.io-index".httparse."1.3.4" { inherit profileName; };
@@ -1264,7 +1264,7 @@ in
     src = fetchCratesIo { inherit name version; sha256 = "3adcd308402b9553630734e9c36b77a7e48b3821251ca2493e8cd596763aafaa"; };
     dependencies = {
       bytes = rustPackages."registry+https://github.com/rust-lang/crates.io-index".bytes."0.5.4" { inherit profileName; };
-      hyper = rustPackages."registry+https://github.com/rust-lang/crates.io-index".hyper."0.13.2" { inherit profileName; };
+      hyper = rustPackages."registry+https://github.com/rust-lang/crates.io-index".hyper."0.13.4" { inherit profileName; };
       native_tls = rustPackages."registry+https://github.com/rust-lang/crates.io-index".native-tls."0.2.3" { inherit profileName; };
       tokio = rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio."0.2.11" { inherit profileName; };
       tokio_tls = rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio-tls."0.3.0" { inherit profileName; };
@@ -1423,11 +1423,11 @@ in
     ];
   });
   
-  "registry+https://github.com/rust-lang/crates.io-index".libgit2-sys."0.12.0+0.99.0" = overridableMkRustCrate (profileName: rec {
+  "registry+https://github.com/rust-lang/crates.io-index".libgit2-sys."0.12.2+1.0.0" = overridableMkRustCrate (profileName: rec {
     name = "libgit2-sys";
-    version = "0.12.0+0.99.0";
+    version = "0.12.2+1.0.0";
     registry = "registry+https://github.com/rust-lang/crates.io-index";
-    src = fetchCratesIo { inherit name version; sha256 = "05dff41ac39e7b653f5f1550886cf00ba52f8e7f57210b633cdeedb3de5b236c"; };
+    src = fetchCratesIo { inherit name version; sha256 = "a12c878ccc1a49ff71e264233a66d2114cdcc7fdc44c0ebe2b54075240831238"; };
     features = builtins.concatLists [
       [ "https" ]
       [ "libssh2-sys" ]
@@ -1570,7 +1570,7 @@ in
       serde = rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.105" { inherit profileName; };
       serde_value = rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde-value."0.6.0" { inherit profileName; };
       serde_derive = buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_derive."1.0.105" { profileName = "__noProfile"; };
-      serde_json = rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_json."1.0.48" { inherit profileName; };
+      serde_json = rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_json."1.0.50" { inherit profileName; };
       serde_yaml = rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_yaml."0.8.11" { inherit profileName; };
       thread_id = rustPackages."registry+https://github.com/rust-lang/crates.io-index".thread-id."3.3.0" { inherit profileName; };
       typemap = rustPackages."registry+https://github.com/rust-lang/crates.io-index".typemap."0.3.3" { inherit profileName; };
@@ -2206,11 +2206,11 @@ in
     };
   });
   
-  "registry+https://github.com/rust-lang/crates.io-index".reqwest."0.10.3" = overridableMkRustCrate (profileName: rec {
+  "registry+https://github.com/rust-lang/crates.io-index".reqwest."0.10.4" = overridableMkRustCrate (profileName: rec {
     name = "reqwest";
-    version = "0.10.3";
+    version = "0.10.4";
     registry = "registry+https://github.com/rust-lang/crates.io-index";
-    src = fetchCratesIo { inherit name version; sha256 = "a9f62f24514117d09a8fc74b803d3d65faa27cea1c7378fb12b0d002913f3831"; };
+    src = fetchCratesIo { inherit name version; sha256 = "02b81e49ddec5109a9dcfc5f2a317ff53377c915e9ae9d4f2fb50914b85614e2"; };
     features = builtins.concatLists [
       [ "__tls" ]
       [ "default" ]
@@ -2227,7 +2227,7 @@ in
       ${ if !(hostPlatform.parsed.cpu.name == "wasm32") then "futures_util" else null } = rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-util."0.3.4" { inherit profileName; };
       http = rustPackages."registry+https://github.com/rust-lang/crates.io-index".http."0.2.0" { inherit profileName; };
       ${ if !(hostPlatform.parsed.cpu.name == "wasm32") then "http_body" else null } = rustPackages."registry+https://github.com/rust-lang/crates.io-index".http-body."0.3.1" { inherit profileName; };
-      ${ if !(hostPlatform.parsed.cpu.name == "wasm32") then "hyper" else null } = rustPackages."registry+https://github.com/rust-lang/crates.io-index".hyper."0.13.2" { inherit profileName; };
+      ${ if !(hostPlatform.parsed.cpu.name == "wasm32") then "hyper" else null } = rustPackages."registry+https://github.com/rust-lang/crates.io-index".hyper."0.13.4" { inherit profileName; };
       ${ if !(hostPlatform.parsed.cpu.name == "wasm32") then "hyper_tls" else null } = rustPackages."registry+https://github.com/rust-lang/crates.io-index".hyper-tls."0.4.1" { inherit profileName; };
       ${ if hostPlatform.parsed.cpu.name == "wasm32" then "js_sys" else null } = rustPackages."registry+https://github.com/rust-lang/crates.io-index".js-sys."0.3.35" { inherit profileName; };
       ${ if !(hostPlatform.parsed.cpu.name == "wasm32") then "lazy_static" else null } = rustPackages."registry+https://github.com/rust-lang/crates.io-index".lazy_static."1.4.0" { inherit profileName; };
@@ -2441,11 +2441,11 @@ in
     };
   });
   
-  "registry+https://github.com/rust-lang/crates.io-index".serde_json."1.0.48" = overridableMkRustCrate (profileName: rec {
+  "registry+https://github.com/rust-lang/crates.io-index".serde_json."1.0.50" = overridableMkRustCrate (profileName: rec {
     name = "serde_json";
-    version = "1.0.48";
+    version = "1.0.50";
     registry = "registry+https://github.com/rust-lang/crates.io-index";
-    src = fetchCratesIo { inherit name version; sha256 = "9371ade75d4c2d6cb154141b9752cf3781ec9c05e0e5cf35060e1e70ee7b9c25"; };
+    src = fetchCratesIo { inherit name version; sha256 = "78a7a12c167809363ec3bd7329fc0a3369056996de43c4b37ef3cd54a6ce4867"; };
     features = builtins.concatLists [
       [ "default" ]
       [ "std" ]
@@ -2789,6 +2789,24 @@ in
     version = "0.2.0";
     registry = "registry+https://github.com/rust-lang/crates.io-index";
     src = fetchCratesIo { inherit name version; sha256 = "571da51182ec208780505a32528fc5512a8fe1443ab960b3f2f3ef093cd16930"; };
+    features = builtins.concatLists [
+      [ "codec" ]
+    ];
+    dependencies = {
+      bytes = rustPackages."registry+https://github.com/rust-lang/crates.io-index".bytes."0.5.4" { inherit profileName; };
+      futures_core = rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-core."0.3.4" { inherit profileName; };
+      futures_sink = rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-sink."0.3.4" { inherit profileName; };
+      log = rustPackages."registry+https://github.com/rust-lang/crates.io-index".log."0.4.8" { inherit profileName; };
+      pin_project_lite = rustPackages."registry+https://github.com/rust-lang/crates.io-index".pin-project-lite."0.1.4" { inherit profileName; };
+      tokio = rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio."0.2.11" { inherit profileName; };
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".tokio-util."0.3.1" = overridableMkRustCrate (profileName: rec {
+    name = "tokio-util";
+    version = "0.3.1";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "be8242891f2b6cbef26a2d7e8605133c2c554cd35b3e4948ea892d6d68436499"; };
     features = builtins.concatLists [
       [ "codec" ]
       [ "default" ]
@@ -3064,7 +3082,7 @@ in
     dependencies = {
       cfg_if = rustPackages."registry+https://github.com/rust-lang/crates.io-index".cfg-if."0.1.10" { inherit profileName; };
       serde = rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.105" { inherit profileName; };
-      serde_json = rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_json."1.0.48" { inherit profileName; };
+      serde_json = rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_json."1.0.50" { inherit profileName; };
       wasm_bindgen_macro = buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".wasm-bindgen-macro."0.2.58" { profileName = "__noProfile"; };
     };
   });