diff --git a/Cargo.lock b/Cargo.lock
index 8f4800815053f86edf283e040e7395d0e13a9ef2..4e7300c5db011b2bb94e384f2f699dff102c6dd6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -459,6 +459,7 @@ dependencies = [
  "dup-crypto 0.6.0",
  "durs-module 0.1.0-a0.1",
  "durs-network-documents 0.3.1",
+ "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.86 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.86 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -494,6 +495,7 @@ dependencies = [
  "durs-message 0.1.0-a0.1",
  "durs-module 0.1.0-a0.1",
  "durs-network 0.1.0-a0.1",
+ "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.86 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.86 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -513,6 +515,7 @@ dependencies = [
  "durs-module 0.1.0-a0.1",
  "durs-network 0.1.0-a0.1",
  "durs-network-documents 0.3.1",
+ "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.86 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.86 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -548,7 +551,9 @@ dependencies = [
  "durs-network 0.1.0-a0.1",
  "durs-network-documents 0.3.1",
  "durs-ws2p-messages 0.1.0-a0.1",
+ "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "maplit 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.86 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.86 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -588,7 +593,9 @@ dependencies = [
  "durs-network 0.1.0-a0.1",
  "durs-network-documents 0.3.1",
  "durs-wot 0.8.0-a0.9",
+ "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "maplit 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.86 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)",