diff --git a/Cargo.lock b/Cargo.lock
index e6f28f0b28..0b19915a09 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5,9 +5,14 @@ dependencies = [
  "netutils 0.1.0 (git+https://github.com/redox-os/netutils.git)",
  "rand 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_event 0.1.0 (git+https://github.com/redox-os/event.git)",
- "redox_syscall 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.30 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "arg_parser"
+version = "0.1.0"
+source = "git+https://github.com/redox-os/arg-parser.git#1b6a9505a1e9c39af1836ecbee293a987619a539"
+
 [[package]]
 name = "base64"
 version = "0.5.2"
@@ -67,6 +72,11 @@ name = "either"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "extra"
+version = "0.1.0"
+source = "git+https://github.com/redox-os/libextra.git#402932084acd5fef4812945887ceaaa2ddd5f264"
+
 [[package]]
 name = "futures"
 version = "0.1.14"
@@ -74,7 +84,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "gcc"
-version = "0.3.51"
+version = "0.3.52"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -182,14 +192,17 @@ dependencies = [
 [[package]]
 name = "netutils"
 version = "0.1.0"
-source = "git+https://github.com/redox-os/netutils.git#47c0003ae18d23ff63cebe75e22bdc0bdbc069d7"
+source = "git+https://github.com/redox-os/netutils.git#a09e97dbe67e1e8d194da7c9900e1e5b2111cded"
 dependencies = [
+ "arg_parser 0.1.0 (git+https://github.com/redox-os/arg-parser.git)",
+ "extra 0.1.0 (git+https://github.com/redox-os/libextra.git)",
  "hyper 0.10.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper-rustls 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "ntpclient 0.0.1 (git+https://github.com/willem66745/ntpclient-rust)",
+ "pbr 1.0.0 (git+https://github.com/a8m/pb)",
  "redox_event 0.1.0 (git+https://github.com/redox-os/event.git)",
- "redox_syscall 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "termion 1.5.0 (git+https://github.com/redox-os/termion.git?branch=redox_termios)",
 ]
 
@@ -210,6 +223,18 @@ dependencies = [
  "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "pbr"
+version = "1.0.0"
+source = "git+https://github.com/a8m/pb#e9369ed2b94df4f554fe79c2643de41f7338475f"
+dependencies = [
+ "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
+ "termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "percent-encoding"
 version = "1.0.0"
@@ -250,12 +275,12 @@ name = "redox_event"
 version = "0.1.0"
 source = "git+https://github.com/redox-os/event.git#42d552e4765efbfb4ec39ce174900d3f48548a70"
 dependencies = [
- "redox_syscall 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.30 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "redox_syscall"
-version = "0.1.29"
+version = "0.1.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -263,7 +288,7 @@ name = "redox_termios"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "redox_syscall 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.30 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -271,7 +296,7 @@ name = "ring"
 version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "gcc 0.3.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gcc 0.3.52 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -307,7 +332,17 @@ version = "1.5.0"
 source = "git+https://github.com/redox-os/termion.git?branch=redox_termios#18e589b9d92e8f93ae75475389e234bbe5deb109"
 dependencies = [
  "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "termion"
+version = "1.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -318,7 +353,7 @@ 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 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -403,6 +438,7 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [metadata]
+"checksum arg_parser 0.1.0 (git+https://github.com/redox-os/arg-parser.git)" = "<none>"
 "checksum base64 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "30e93c03064e7590d0466209155251b90c22e37fab1daf2771582598b5827557"
 "checksum base64 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "96434f987501f0ed4eb336a411e0631ecd1afa11574fe148587adc4ff96143c9"
 "checksum bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "aad18937a628ec6abcd26d1489012cc0e18c21798210f491af69ded9b881106d"
@@ -412,8 +448,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum conv 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "78ff10625fd0ac447827aa30ea8b861fead473bb60aeb73af6c1c58caf0d1299"
 "checksum custom_derive 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "ef8ae57c4978a2acd8b869ce6b9ca1dfe817bff704c220209fdef2c0b75a01b9"
 "checksum either 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "18785c1ba806c258137c937e44ada9ee7e69a37e3c72077542cd2f069d78562a"
+"checksum extra 0.1.0 (git+https://github.com/redox-os/libextra.git)" = "<none>"
 "checksum futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)" = "4b63a4792d4f8f686defe3b39b92127fea6344de5d38202b2ee5a11bbbf29d6a"
-"checksum gcc 0.3.51 (registry+https://github.com/rust-lang/crates.io-index)" = "120d07f202dcc3f72859422563522b66fe6463a4c513df062874daad05f85f0a"
+"checksum gcc 0.3.52 (registry+https://github.com/rust-lang/crates.io-index)" = "1b7d19683108136d21d32723077e69cd5df2bfd6d102c74a01d743cf2b65cf97"
 "checksum httparse 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "af2f2dd97457e8fb1ae7c5a420db346af389926e36f43768b96f101546b04a07"
 "checksum hyper 0.10.12 (registry+https://github.com/rust-lang/crates.io-index)" = "0f01e4a20f5dfa5278d7762b7bdb7cab96e24378b9eca3889fbd4b5e94dc7063"
 "checksum hyper-rustls 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "04535774f79684c99528944ebdb89756c945c027e55ce52faa245879d836c8fb"
@@ -430,18 +467,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum netutils 0.1.0 (git+https://github.com/redox-os/netutils.git)" = "<none>"
 "checksum ntpclient 0.0.1 (git+https://github.com/willem66745/ntpclient-rust)" = "<none>"
 "checksum num_cpus 1.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "aec53c34f2d0247c5ca5d32cca1478762f301740468ee9ee6dcb7a0dd7a0c584"
+"checksum pbr 1.0.0 (git+https://github.com/a8m/pb)" = "<none>"
 "checksum percent-encoding 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "de154f638187706bde41d9b4738748933d64e6b37bdbffc0b47a97d16a6ae356"
 "checksum rand 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)" = "eb250fd207a4729c976794d03db689c9be1d634ab5a1c9da9492a13d8fecbcdf"
 "checksum rayon 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a77c51c07654ddd93f6cb543c7a849863b03abc7e82591afda6dc8ad4ac3ac4a"
 "checksum rayon-core 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7febc28567082c345f10cddc3612c6ea020fc3297a1977d472cf9fdb73e6e493"
 "checksum redox_event 0.1.0 (git+https://github.com/redox-os/event.git)" = "<none>"
-"checksum redox_syscall 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)" = "3c9309631a35303bffb47e397198e3668cb544fe8834cd3da2a744441e70e524"
+"checksum redox_syscall 0.1.30 (registry+https://github.com/rust-lang/crates.io-index)" = "8312fba776a49cf390b7b62f3135f9b294d8617f7a7592cfd0ac2492b658cd7b"
 "checksum redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
 "checksum ring 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1f2a6dc7fc06a05e6de183c5b97058582e9da2de0c136eafe49609769c507724"
 "checksum rustls 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "17727f4b991294da2c84d75a43c003151ff58072212768800f66c56ee46dca43"
 "checksum safemem 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e27a8b19b835f7aea908818e871f5cc3a5a186550c30773be987e155e8163d8f"
 "checksum scopeguard 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c79eb2c3ac4bc2507cda80e7f3ac5b88bd8eae4c0914d5663e6a8933994be918"
 "checksum termion 1.5.0 (git+https://github.com/redox-os/termion.git?branch=redox_termios)" = "<none>"
+"checksum termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "689a3bdfaab439fd92bc87df5c4c78417d3cbe537487274e9b0b2dce76e92096"
 "checksum time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)" = "d5d788d3aa77bc0ef3e9621256885555368b47bd495c13dd2e7413c89f845520"
 "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"