diff --git a/Cargo.lock b/Cargo.lock
index 60c21cb55119bb586d27ba5822975440f59bf795..9ab3411e3a0e436c19b223de5fda6c3251a388b5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,15 +2,20 @@
 # It is not intended for manual editing.
 [[package]]
 name = "addr2line"
-version = "0.12.1"
+version = "0.15.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "gimli 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gimli 0.24.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "adler"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "adler32"
-version = "1.0.4"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -18,7 +23,7 @@ name = "ansi_term"
 version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -33,7 +38,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "arrayvec"
-version = "0.5.1"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -41,26 +46,28 @@ name = "atty"
 version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "hermit-abi 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hermit-abi 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.97 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "autocfg"
-version = "1.0.0"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "backtrace"
-version = "0.3.48"
+version = "0.3.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "addr2line 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "object 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-demangle 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "addr2line 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.68 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.97 (registry+https://github.com/rust-lang/crates.io-index)",
+ "miniz_oxide 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "object 0.25.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-demangle 0.1.19 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -68,13 +75,13 @@ name = "base64"
 version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "safemem 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "base64"
-version = "0.12.1"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -89,11 +96,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "blake2b_simd"
-version = "0.5.10"
+version = "0.5.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arrayref 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "arrayvec 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arrayvec 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "constant_time_eq 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -103,13 +110,13 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arrayref 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "arrayvec 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "cc 1.0.54 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arrayvec 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.68 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "constant_time_eq 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "crypto-mac 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "digest 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rayon 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rayon 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -119,8 +126,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "block-padding 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generic-array 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -138,17 +145,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "bytecount"
-version = "0.6.0"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "byteorder"
-version = "1.3.4"
+version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "cc"
-version = "1.0.54"
+version = "1.0.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -156,9 +163,14 @@ name = "cfg-if"
 version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "clap"
-version = "2.33.1"
+version = "2.33.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -166,7 +178,7 @@ dependencies = [
  "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-width 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-width 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "vec_map 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -177,61 +189,49 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "crc32fast"
-version = "1.2.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "crossbeam-channel"
-version = "0.4.2"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.8.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "crossbeam-deque"
-version = "0.7.3"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-epoch 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-epoch 0.9.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.8.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "crossbeam-epoch"
-version = "0.8.2"
+version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.8.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "memoffset 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memoffset 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "scopeguard 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "crossbeam-queue"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "crossbeam-utils"
-version = "0.7.2"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -240,7 +240,7 @@ name = "crypto-mac"
 version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generic-array 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "subtle 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -249,12 +249,12 @@ name = "digest"
 version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generic-array 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "either"
-version = "1.5.3"
+version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -262,7 +262,7 @@ name = "failure"
 version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "backtrace 0.3.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace 0.3.60 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure_derive 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -271,21 +271,21 @@ name = "failure_derive"
 version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "synstructure 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.73 (registry+https://github.com/rust-lang/crates.io-index)",
+ "synstructure 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "filetime"
-version = "0.2.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
+version = "0.2.14"
+source = "git+https://github.com/alexcrichton/filetime?rev=d3e6439#d3e643999586981ba78f33e2f6cffd2fb6e982aa"
 dependencies = [
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.57 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.97 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -293,57 +293,62 @@ name = "fixedbitset"
 version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "fuchsia-cprng"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "fuse"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.97 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pkg-config 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "thread-scoped 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "generic-array"
-version = "0.12.3"
+version = "0.12.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "typenum 1.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "typenum 1.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "getrandom"
-version = "0.1.14"
+version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.97 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasi 0.9.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.97 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasi 0.10.2+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "gimli"
-version = "0.21.0"
+version = "0.24.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.13"
+version = "0.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.97 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "httparse"
-version = "1.3.4"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -352,7 +357,7 @@ version = "0.10.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "base64 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "httparse 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "httparse 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "language-tags 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "mime 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -381,13 +386,13 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-normalization 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-bidi 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-normalization 0.1.19 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "index-fixed"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -395,7 +400,7 @@ name = "itertools"
 version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "either 1.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -415,7 +420,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libc"
-version = "0.2.71"
+version = "0.2.97"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -423,8 +428,8 @@ name = "libflate"
 version = "0.1.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "adler32 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "crc32fast 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "adler32 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crc32fast 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rle-decode-fast 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "take_mut 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -434,15 +439,15 @@ name = "log"
 version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.14 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "log"
-version = "0.4.8"
+version = "0.4.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -451,16 +456,16 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "maybe-uninit"
-version = "2.0.0"
+name = "memchr"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "memoffset"
-version = "0.5.4"
+version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -471,13 +476,22 @@ dependencies = [
  "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "miniz_oxide"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "adler 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "num_cpus"
 version = "1.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "hermit-abi 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hermit-abi 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.97 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -487,8 +501,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "object"
-version = "0.19.0"
+version = "0.25.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "memchr 2.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
 name = "opaque-debug"
@@ -507,13 +524,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "pbr"
-version = "1.0.3"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-channel 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-channel 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.97 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -532,7 +549,7 @@ dependencies = [
 
 [[package]]
 name = "pkg-config"
-version = "0.3.17"
+version = "0.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -541,7 +558,7 @@ version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "blake3 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "clap 2.33.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clap 2.33.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "plain 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -555,56 +572,46 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "ppv-lite86"
-version = "0.2.8"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.17"
+version = "1.0.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-xid 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.6"
+version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rand"
-version = "0.3.23"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "rand"
-version = "0.4.6"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getrandom 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.97 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_chacha 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_hc 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rand"
-version = "0.7.3"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "getrandom 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_chacha 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_hc 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.97 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_chacha 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_hc 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -612,29 +619,33 @@ name = "rand_chacha"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "ppv-lite86 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ppv-lite86 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "rand_core"
+name = "rand_chacha"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ppv-lite86 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rand_core"
-version = "0.4.2"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "getrandom 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
 name = "rand_core"
-version = "0.5.1"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "getrandom 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getrandom 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -646,33 +657,34 @@ dependencies = [
 ]
 
 [[package]]
-name = "rayon"
-version = "1.3.0"
+name = "rand_hc"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-deque 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "rayon-core 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "rayon-core"
-version = "1.7.0"
+name = "rayon"
+version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-deque 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-queue 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-deque 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "either 1.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rayon-core 1.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "rdrand"
-version = "0.4.0"
+name = "rayon-core"
+version = "1.9.1"
 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)",
+ "crossbeam-channel 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-deque 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.8.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -681,17 +693,17 @@ version = "0.2.7"
 dependencies = [
  "arg_parser 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.97 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkgar 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.8.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_liner 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_pkgutils 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "redoxfs 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rust-argon2 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.110 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.110 (registry+https://github.com/rust-lang/crates.io-index)",
- "termion 1.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "toml 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redoxfs 0.4.3",
+ "rust-argon2 0.8.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.126 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.126 (registry+https://github.com/rust-lang/crates.io-index)",
+ "termion 1.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "toml 0.5.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -699,10 +711,10 @@ name = "redox_liner"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytecount 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytecount 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "termion 1.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-width 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "termion 1.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-width 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -711,45 +723,47 @@ version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bidir-map 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "clap 2.33.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clap 2.33.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.10.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper-rustls 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "libflate 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "ordermap 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "pbr 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pbr 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "petgraph 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_liner 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.110 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.110 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.126 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.126 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha3 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "tar 0.4.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tar 0.4.35 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "version-compare 0.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "redox_syscall"
-version = "0.1.57"
+version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
 name = "redox_termios"
-version = "0.1.1"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "redox_syscall 0.1.57 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "redoxfs"
-version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
+version = "0.4.3"
 dependencies = [
  "fuse 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.57 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.97 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "uuid 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "uuid 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -757,9 +771,9 @@ name = "ring"
 version = "0.13.5"
 source = "git+https://gitlab.redox-os.org/redox-os/ring.git?branch=redox-unix-0.13.5#e10e9b891589b1d4bf5a5e83e999000734f04d68"
 dependencies = [
- "cc 1.0.54 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.68 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.97 (registry+https://github.com/rust-lang/crates.io-index)",
  "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -770,18 +784,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "rust-argon2"
-version = "0.8.2"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "base64 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "blake2b_simd 0.5.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "base64 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "blake2b_simd 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "constant_time_eq 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.8.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rustc-demangle"
-version = "0.1.16"
+version = "0.1.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -790,7 +804,7 @@ version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "base64 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "ring 0.13.5 (git+https://gitlab.redox-os.org/redox-os/ring.git?branch=redox-unix-0.13.5)",
  "sct 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -818,17 +832,17 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.110"
+version = "1.0.126"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde_derive"
-version = "1.0.110"
+version = "1.0.126"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.73 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -843,17 +857,12 @@ dependencies = [
  "opaque-debug 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "smallvec"
-version = "1.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "sodalite"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "index-fixed 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "index-fixed 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -868,23 +877,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "syn"
-version = "1.0.27"
+version = "1.0.73"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-xid 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "synstructure"
-version = "0.12.3"
+version = "0.12.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
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- "proc-macro2 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
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diff --git a/Cargo.toml b/Cargo.toml
index ec9cd006cc18fac40fff0a8cb82a4af7eae25521..f3e9df2cb29809f1633ce7bf023d0751991d1376 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,9 +25,9 @@ redox_liner = "0.5.1"
 libc = "0.2.70"
 failure = "0.1.8"
 pkgar = "0.1.6"
-rand = "0.7.3"
+rand = "0.8"
 redox_pkgutils = "0.1.6"
-redoxfs = "0.4.1"
+redoxfs = { git = "https://gitlab.redox-os.org/redox-os/redoxfs.git" }
 rust-argon2 = "0.8.2"
 serde = "1.0.110"
 serde_derive = "1.0.110"
@@ -36,3 +36,4 @@ toml = "0.5.6"
 
 [patch.crates-io]
 ring = { git = "https://gitlab.redox-os.org/redox-os/ring.git", branch = "redox-unix-0.13.5" }
+filetime = { git = "https://github.com/alexcrichton/filetime", rev = "2389280" }