diff --git a/Cargo.lock b/Cargo.lock
index 51df37c924f7db439e651563d668994e72079d4d..d61d94efd247ba47bad5407c8fbfabb963183883 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -136,6 +136,14 @@ dependencies = [
  "unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "cloudabi"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "constant_time_eq"
 version = "0.1.3"
@@ -300,15 +308,6 @@ dependencies = [
  "crc32fast 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "liner"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "termion 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "liner"
 version = "0.4.4"
@@ -420,11 +419,6 @@ dependencies = [
  "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "quote"
-version = "0.3.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "quote"
 version = "0.6.12"
@@ -454,6 +448,33 @@ dependencies = [
  "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "rand"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.54 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_hc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_isaac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_jitter 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_os 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_pcg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rand_core"
 version = "0.3.1"
@@ -467,6 +488,62 @@ name = "rand_core"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "rand_hc"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rand_isaac"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rand_jitter"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.54 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rand_os"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.54 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rand_pcg"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rand_xorshift"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rdrand"
 version = "0.4.0"
@@ -477,20 +554,20 @@ dependencies = [
 
 [[package]]
 name = "redox_installer"
-version = "0.2.2"
+version = "0.2.3"
 dependencies = [
  "arg_parser 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "argon2rs 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.54 (registry+https://github.com/rust-lang/crates.io-index)",
- "liner 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.3.23 (registry+https://github.com/rust-lang/crates.io-index)",
+ "liner 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_pkgutils 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "redoxfs 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 0.8.23 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 0.8.23 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.91 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.91 (registry+https://github.com/rust-lang/crates.io-index)",
  "termion 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "toml 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "toml 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -588,42 +665,11 @@ dependencies = [
  "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "serde"
-version = "0.8.23"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "serde"
 version = "1.0.91"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "serde_codegen"
-version = "0.8.23"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "quote 0.3.15 (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 0.10.8 (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 0.10.8 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "serde_derive"
-version = "0.8.23"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "serde_codegen 0.8.23 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "serde_derive"
 version = "1.0.91"
@@ -651,15 +697,6 @@ name = "smallvec"
 version = "0.6.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "syn"
-version = "0.10.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "syn"
 version = "0.15.34"
@@ -728,15 +765,15 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.2.1"
+version = "0.4.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 0.8.23 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.91 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "toml"
-version = "0.4.10"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "serde 1.0.91 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -786,11 +823,6 @@ name = "unicode-width"
 version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "unicode-xid"
-version = "0.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "unicode-xid"
 version = "0.1.0"
@@ -904,6 +936,7 @@ dependencies = [
 "checksum cc 1.0.36 (registry+https://github.com/rust-lang/crates.io-index)" = "a0c56216487bb80eec9c4516337b2588a4f2a2290d72a1416d930e4dcdb0c90d"
 "checksum cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "11d43355396e872eefb45ce6342e4374ed7bc2b3a502d1b28e36d6e23c05d1f4"
 "checksum clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5067f5bb2d80ef5d68b4c87db81601f0b75bca627bc2ef76b141d7b846a3c6d9"
+"checksum cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
 "checksum constant_time_eq 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "8ff012e225ce166d4422e0e78419d901719760f62ae2b7969ca6b564d1b54a9e"
 "checksum crc32fast 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ba125de2af0df55319f41944744ad91c71113bf74a4646efff39afe1f6842db1"
 "checksum digest 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "05f47366984d3ad862010e22c7ce81a7dbcaebbdfb37241a620f8b6596ee135c"
@@ -924,7 +957,6 @@ dependencies = [
 "checksum lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bc5729f27f159ddd61f4df6228e827e86643d4d3e7c32183cb30a1c08f604a14"
 "checksum libc 0.2.54 (registry+https://github.com/rust-lang/crates.io-index)" = "c6785aa7dd976f5fbf3b71cfd9cd49d7f783c1ff565a858d71031c6c313aa5c6"
 "checksum libflate 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)" = "c52384aeb22d0ce82a10d8ddf35f7fb4717d1b23eac5b94cd38d2050fb53766a"
-"checksum liner 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "f9e406164c25b420480023985bdf65cef366855666ad4cb12cd3eaee82dcb399"
 "checksum liner 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "e21c5e49e5d73f18124fd3c751a0823f754c5ae7193cb9e8aa467b03b161241c"
 "checksum log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "e19e8d5c34a3e0e2223db8e060f9e8264aeeb5c5fc64a4ee9965c062211c024b"
 "checksum log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c84ec4b527950aa83a329754b01dbe3f58361d1c5efacd1f6d68c494d08a17c6"
@@ -941,12 +973,19 @@ dependencies = [
 "checksum petgraph 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)" = "9c3659d1ee90221741f65dd128d9998311b0e40c5d3c23a62445938214abce4f"
 "checksum pkg-config 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)" = "676e8eb2b1b4c9043511a9b7bea0915320d7e502b0a079fb03f9635a5252b18c"
 "checksum proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)" = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
-"checksum quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e920b65c65f10b2ae65c831a81a073a89edd28c7cce89475bff467ab4167a"
 "checksum quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)" = "faf4799c5d274f3868a4aae320a0a182cbd2baee377b378f080e16a23e9d80db"
 "checksum rand 0.3.23 (registry+https://github.com/rust-lang/crates.io-index)" = "64ac302d8f83c0c1974bf758f6b041c6c8ada916fbb44a609158ca8b064cc76c"
 "checksum rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "552840b97013b1a26992c11eac34bdd778e464601a4c2054b5f0bff7c6761293"
+"checksum rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "6d71dacdc3c88c1fde3885a3be3fbab9f35724e6ce99467f7d9c5026132184ca"
+"checksum rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "556d3a1ca6600bfcbab7c7c91ccb085ac7fbbcd70e008a98742e7847f4f7bcef"
 "checksum rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
 "checksum rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d0e7a549d590831370895ab7ba4ea0c1b6b011d106b5ff2da6eee112615e6dc0"
+"checksum rand_hc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7b40677c7be09ae76218dc623efbf7b18e34bced3f38883af07bb75630a21bc4"
+"checksum rand_isaac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ded997c9d5f13925be2a6fd7e66bf1872597f759fd9dd93513dd7e92e5a5ee08"
+"checksum rand_jitter 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "1166d5c91dc97b88d1decc3285bb0a99ed84b05cfd0bc2341bdf2d43fc41e39b"
+"checksum rand_os 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7b75f676a1e053fc562eafbb47838d67c84801e38fc1ba459e8f180deabd5071"
+"checksum rand_pcg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "abf9b09b01790cfe0364f52bf32995ea3c39f4d2dd011eac241d2914146d0b44"
+"checksum rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cbf7e9e623549b0e21f6e97cf8ecf247c1a8fd2e8a992ae265314300b2455d5c"
 "checksum rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
 "checksum redox_pkgutils 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9fef74980c8aff7e3b1bd11ec90eb0fc021543f64ccfe615a4de1d798ff5fe4d"
 "checksum redox_syscall 0.1.54 (registry+https://github.com/rust-lang/crates.io-index)" = "12229c14a0f65c4f1cb046a3b52047cdd9da1f4b30f8a39c5063c8bae515e252"
@@ -958,15 +997,10 @@ dependencies = [
 "checksum safemem 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8dca453248a96cb0749e36ccdfe2b0b4e54a61bfef89fb97ec621eb8e0a93dd9"
 "checksum scoped_threadpool 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "1d51f5df5af43ab3f1360b429fa5e0152ac5ce8c0bd6485cae490332e96846a8"
 "checksum sct 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "cb8f61f9e6eadd062a71c380043d28036304a4706b3c4dd001ff3387ed00745a"
-"checksum serde 0.8.23 (registry+https://github.com/rust-lang/crates.io-index)" = "9dad3f759919b92c3068c696c15c3d17238234498bbdcc80f2c469606f948ac8"
 "checksum serde 1.0.91 (registry+https://github.com/rust-lang/crates.io-index)" = "a72e9b96fa45ce22a4bc23da3858dfccfd60acd28a25bcd328a98fdd6bea43fd"
-"checksum serde_codegen 0.8.23 (registry+https://github.com/rust-lang/crates.io-index)" = "a4c5d8a33087d8984f9535daa62a6498a08f6476050b00ab9339dd847e4c25cc"
-"checksum serde_codegen_internals 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)" = "afad7924a009f859f380e4a2e3a509a845c2ac66435fcead74a4d983b21ae806"
-"checksum serde_derive 0.8.23 (registry+https://github.com/rust-lang/crates.io-index)" = "ce44e5f4264b39e9d29c875357b7cc3ebdfb967bb9e22bfb5e44ffa400af5306"
 "checksum serde_derive 1.0.91 (registry+https://github.com/rust-lang/crates.io-index)" = "101b495b109a3e3ca8c4cbe44cf62391527cdfb6ba15821c5ce80bcd5ea23f9f"
 "checksum sha3 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dd26bc0e7a2e3a7c959bc494caf58b72ee0c71d67704e9520f736ca7e4853ecf"
 "checksum smallvec 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)" = "c4488ae950c49d403731982257768f48fada354a5203fe81f9bb6f43ca9002be"
-"checksum syn 0.10.8 (registry+https://github.com/rust-lang/crates.io-index)" = "58fd09df59565db3399efbba34ba8a2fec1307511ebd245d0061ff9d42691673"
 "checksum syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)" = "a1393e4a97a19c01e900df2aec855a29f71cf02c402e2f443b8d2747c25c5dbe"
 "checksum synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "73687139bf99285483c96ac0add482c3776528beac1d97d444f6e91f203a2015"
 "checksum tar 0.4.25 (registry+https://github.com/rust-lang/crates.io-index)" = "7201214ded95b34e3bc00c9557b6dcec34fd1af428d343143f5db67c661762f0"
@@ -974,8 +1008,8 @@ dependencies = [
 "checksum textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
 "checksum thread-scoped 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "bcbb6aa301e5d3b0b5ef639c9a9c7e2f1c944f177b460c04dc24c69b1fa2bd99"
 "checksum time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)" = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
-"checksum toml 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "736b60249cb25337bc196faa43ee12c705e426f3d55c214d73a4e7be06f92cb4"
 "checksum toml 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "758664fc71a3a69038656bee8b6be6477d2a6c315a6b81f7081f591bffa4111f"
+"checksum toml 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "87c5890a989fa47ecdc7bcb4c63a77a82c18f306714104b1decfd722db17b39e"
 "checksum traitobject 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "efd1f82c56340fdf16f2a953d7bda4f8fdffba13d93b00844c25572110b26079"
 "checksum typeable 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1410f6f91f21d1612654e7cc69193b0334f909dcf2c790c4826254fbb86f8887"
 "checksum typenum 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "612d636f949607bdf9b123b4a6f6d966dedf3ff669f7f045890d3a4a73948169"
@@ -983,7 +1017,6 @@ dependencies = [
 "checksum unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "49f2bd0c6468a8230e1db229cff8029217cf623c767ea5d60bfbd42729ea54d5"
 "checksum unicode-normalization 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "141339a08b982d942be2ca06ff8b076563cbe223d1befd5450716790d44e2426"
 "checksum unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "882386231c45df4700b275c7ff55b6f3698780a650026380e72dabe76fa46526"
-"checksum unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8c1f860d7d29cf02cb2f3f359fd35991af3d30bac52c57d265a3c461074cb4dc"
 "checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
 "checksum untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "55cd1f4b4e96b46aeb8d4855db4a7a9bd96eeeb5c6a1ab54593328761642ce2f"
 "checksum url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dd4e7c0d531266369519a4aa4f399d748bd37043b00bde1e4ff1f60a120b355a"
diff --git a/Cargo.toml b/Cargo.toml
index 3475a25d2e7fddcbcf27020046a3cbff4c156b12..8472bcd3211f8eb320eef9e03f05b738108075e0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "redox_installer"
-version = "0.2.2"
+version = "0.2.3"
 description = "A Redox filesystem builder"
 license = "MIT"
 authors = ["Jeremy Soller <jackpot51@gmail.com>"]
@@ -15,15 +15,15 @@ name = "redox_installer"
 path = "src/lib.rs"
 
 [dependencies]
-arg_parser = "0.1"
-argon2rs = { version = "0.2", default-features = false }
-liner = "0.1"
-libc = "0.2"
-failure = "0.1"
-rand = "0.3"
-redox_pkgutils = "0.1"
-redoxfs = "0.3"
-serde = "0.8"
-serde_derive = "0.8"
-termion = "1.5.1"
-toml = { version = "0.2", default-features = false, features = ["serde"] }
+arg_parser = "0.1.0"
+argon2rs = { version = "0.2.5", default-features = false }
+liner = "0.4.4"
+libc = "0.2.54"
+failure = "0.1.5"
+rand = "0.6.5"
+redox_pkgutils = "0.1.2"
+redoxfs = "0.3.3"
+serde = "1.0.91"
+serde_derive = "1.0.91"
+termion = "1.5.2"
+toml = "0.5.0"
diff --git a/src/bin/installer.rs b/src/bin/installer.rs
index 81ff268dd092d34991870ec6236c17f676530ace..f0d9011537c444df516423f4d5e80eb275a657aa 100644
--- a/src/bin/installer.rs
+++ b/src/bin/installer.rs
@@ -28,24 +28,12 @@ fn main() {
                 let mut config_data = String::new();
                 match config_file.read_to_string(&mut config_data) {
                     Ok(_) => {
-                        let mut parser = toml::Parser::new(&config_data);
-                        match parser.parse() {
-                            Some(parsed) => {
-                                let mut decoder = toml::Decoder::new(toml::Value::Table(parsed));
-                                match serde::Deserialize::deserialize(&mut decoder) {
-                                    Ok(config) => {
-                                        config
-                                    },
-                                    Err(err) => {
-                                        writeln!(stderr, "installer: {}: failed to decode: {}", path, err).unwrap();
-                                        process::exit(1);
-                                    }
-                                }
+                        match toml::from_str(&config_data) {
+                            Ok(config) => {
+                                config
                             },
-                            None => {
-                                for error in parser.errors {
-                                    writeln!(stderr, "installer: {}: failed to parse: {}", path, error).unwrap();
-                                }
+                            Err(err) => {
+                                writeln!(stderr, "installer: {}: failed to decode: {}", path, err).unwrap();
                                 process::exit(1);
                             }
                         }
diff --git a/src/lib.rs b/src/lib.rs
index 2144ba653cf35f6d26c0b515dcad396eddb909b4..a9c87dd43148044b62c0252a90c7b918fcdbb8e0 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -18,7 +18,7 @@ use config::file::FileConfig;
 use argon2rs::verifier::Encoded;
 use argon2rs::{Argon2, Variant};
 use failure::{Error, err_msg};
-use rand::{OsRng, Rng};
+use rand::{RngCore, rngs::OsRng};
 use termion::input::TermRead;
 use pkgutils::{Repo, Package};