--- a/rust/Cargo.lock	Wed Jan 04 17:18:44 2017 +0800
+++ b/rust/Cargo.lock	Thu Jan 05 23:26:00 2017 +0800
@@ -6,8 +6,10 @@
  "futures 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-serialize 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 0.8.21 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 0.8.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-core 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "toml 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -61,7 +63,7 @@
 
 [[package]]
 name = "libc"
-version = "0.2.18"
+version = "0.2.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -74,7 +76,7 @@
 version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -84,7 +86,7 @@
 dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazycell 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "miow 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.26 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -111,7 +113,7 @@
 dependencies = [
  "cfg-if 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -123,18 +125,23 @@
 dependencies = [
  "bitflags 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "semver 0.1.20 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
+name = "quote"
+version = "0.3.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
 name = "rand"
 version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -178,17 +185,57 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
+name = "serde"
+version = "0.8.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "serde_codegen"
+version = "0.8.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "quote 0.3.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_codegen_internals 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.10.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "serde_codegen_internals"
+version = "0.11.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "syn 0.10.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "serde_derive"
+version = "0.8.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "serde_codegen 0.8.21 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "slab"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
+name = "syn"
+version = "0.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "quote 0.3.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-xid 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "thread-id"
 version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -212,6 +259,20 @@
 ]
 
 [[package]]
+name = "toml"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rustc-serialize 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 0.8.21 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "unicode-xid"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
 name = "utf8-ranges"
 version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -248,13 +309,14 @@
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 "checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
 "checksum lazycell 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ce12306c4739d86ee97c23139f3a34ddf0387bbf181bc7929d287025a8c3ef6b"
-"checksum libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)" = "a51822fc847e7a8101514d1d44e354ba2ffa7d4c194dcab48870740e327cac70"
+"checksum libc 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)" = "9e030dc72013ed68994d1b2cbf36a94dd0e58418ba949c4b0db7eeb70a7a6352"
 "checksum log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "ab83497bf8bf4ed2a74259c1c802351fcd67a65baa86394b6ba73c36f4838054"
 "checksum memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "d8b629fb514376c675b98c1421e80b151d3817ac42d7c667717d282761418d20"
 "checksum mio 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "5b493dc9fd96bd2077f2117f178172b0765db4dfda3ea4d8000401e6d65d3e80"
 "checksum miow 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "3e690c5df6b2f60acd45d56378981e827ff8295562fc8d34f573deb267a59cd1"
 "checksum net2 0.2.26 (registry+https://github.com/rust-lang/crates.io-index)" = "5edf9cb6be97212423aed9413dd4729d62b370b5e1c571750e882cebbbc1e3e2"
 "checksum nix 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a0d95c5fa8b641c10ad0b8887454ebaafa3c92b5cd5350f8fc693adafd178e7b"
+"checksum quote 0.3.10 (registry+https://github.com/rust-lang/crates.io-index)" = "6732e32663c9c271bfc7c1823486b471f18c47a2dbf87c066897b7b51afc83be"
 "checksum rand 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "022e0636ec2519ddae48154b028864bdce4eaf7d35226ab8e65c611be97b189d"
 "checksum regex 0.1.80 (registry+https://github.com/rust-lang/crates.io-index)" = "4fd4ace6a8cf7860714a2c2280d6c1f7e6a413486c13298bbc86fd3da019402f"
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@@ -262,10 +324,17 @@
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