diff --git a/Cargo.lock b/Cargo.lock
index f5506c4b10..2ddad053fc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -50,7 +50,7 @@ version = "0.7.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8716408b8bc624ed7f65d223ddb9ac2d044c0547b6fa4b0d554f3a9540496ada"
 dependencies = [
- "memchr 2.3.3",
+ "memchr",
 ]
 
 [[package]]
@@ -284,6 +284,18 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
+[[package]]
+name = "bitvec"
+version = "0.19.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8942c8d352ae1838c9dda0b0ca2ab657696ef2232a20147cf1b30ae1a9cb4321"
+dependencies = [
+ "funty",
+ "radium",
+ "tap",
+ "wyz",
+]
+
 [[package]]
 name = "blake2b_simd"
 version = "0.5.10"
@@ -411,7 +423,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "31accafdb70df7871592c058eca3985b71104e15ac32f64706022c58867da931"
 dependencies = [
  "lazy_static",
- "memchr 2.3.3",
+ "memchr",
  "regex-automata",
  "serde",
 ]
@@ -667,7 +679,7 @@ dependencies = [
  "ascii",
  "byteorder",
  "either",
- "memchr 2.3.3",
+ "memchr",
  "unreachable",
 ]
 
@@ -943,7 +955,7 @@ version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b2466559f260f48ad25fe6317b3c8dac77b5bdb5763ac7d9d6103530663bc90"
 dependencies = [
- "memchr 2.3.3",
+ "memchr",
 ]
 
 [[package]]
@@ -1383,6 +1395,12 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
 
+[[package]]
+name = "funty"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fed34cd105917e91daa4da6b3728c47b068749d6a62c59811f06ed2ac71d9da7"
+
 [[package]]
 name = "futures"
 version = "0.1.29"
@@ -1477,7 +1495,7 @@ dependencies = [
  "futures-macro",
  "futures-sink",
  "futures-task",
- "memchr 2.3.3",
+ "memchr",
  "pin-project-lite 0.2.4",
  "pin-utils",
  "proc-macro-hack",
@@ -2200,6 +2218,19 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b294d6fa9ee409a054354afc4352b0b9ef7ca222c69b8812cbea9e7d2bf3783f"
 
+[[package]]
+name = "lexical-core"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6607c62aa161d23d17a9072cc5da0be67cdfc89d3afb1e8d9c842bebc2525ffe"
+dependencies = [
+ "arrayvec",
+ "bitflags",
+ "cfg-if 1.0.0",
+ "ryu",
+ "static_assertions",
+]
+
 [[package]]
 name = "libc"
 version = "0.2.81"
@@ -2316,15 +2347,6 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
 
-[[package]]
-name = "memchr"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "148fab2e51b4f1cfc66da2a7c32981d1d3c083a803978268bb11fe4b86925e7a"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "memchr"
 version = "2.3.3"
@@ -2534,22 +2556,26 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "nom"
-version = "3.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05aec50c70fd288702bcd93284a8444607f3292dbdf2a30de5ea5dcdbe72287b"
-dependencies = [
- "memchr 1.0.2",
-]
-
 [[package]]
 name = "nom"
 version = "5.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b471253da97532da4b61552249c521e01e736071f71c1a4f7ebbfbf0a06aad6"
 dependencies = [
- "memchr 2.3.3",
+ "memchr",
+ "version_check 0.9.2",
+]
+
+[[package]]
+name = "nom"
+version = "6.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7413f999671bd4745a7b624bd370a569fb6bc574b23c83a3c5ed2e453f3d5e2"
+dependencies = [
+ "bitvec",
+ "funty",
+ "lexical-core",
+ "memchr",
  "version_check 0.9.2",
 ]
 
@@ -3138,6 +3164,12 @@ dependencies = [
  "proc-macro2 1.0.24",
 ]
 
+[[package]]
+name = "radium"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "941ba9d78d8e2f7ce474c015eea4d9c6d25b6a3327f9832ee29a4de27f91bbb8"
+
 [[package]]
 name = "rand"
 version = "0.4.6"
@@ -3448,7 +3480,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "957056ecddbeba1b26965114e191d2e8589ce74db242b6ea25fc4062427a5c19"
 dependencies = [
  "aho-corasick",
- "memchr 2.3.3",
+ "memchr",
  "regex-syntax",
 ]
 
@@ -5853,19 +5885,25 @@ dependencies = [
 
 [[package]]
 name = "systemstat"
-version = "0.1.5"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2078da8d09c6202bffd5e075946e65bfad5ce2cfa161edb15c5f014a8440adee"
+checksum = "c31c241679f72241744c20d064a4db7feeb2caa214a8d6e2d4243b8c674a29a5"
 dependencies = [
  "bytesize",
  "chrono",
  "lazy_static",
  "libc",
- "nom 3.2.1",
+ "nom 6.1.2",
  "time 0.1.43",
  "winapi 0.3.8",
 ]
 
+[[package]]
+name = "tap"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
+
 [[package]]
 name = "tar"
 version = "0.4.28"
@@ -6129,7 +6167,7 @@ dependencies = [
  "iovec",
  "lazy_static",
  "libc",
- "memchr 2.3.3",
+ "memchr",
  "mio 0.6.22",
  "mio-named-pipes",
  "mio-uds",
@@ -6150,7 +6188,7 @@ dependencies = [
  "autocfg 1.0.0",
  "bytes 1.0.1",
  "libc",
- "memchr 2.3.3",
+ "memchr",
  "mio 0.7.6",
  "num_cpus",
  "once_cell",
@@ -7010,6 +7048,12 @@ dependencies = [
  "winapi-build",
 ]
 
+[[package]]
+name = "wyz"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85e60b0d1b5f99db2556934e21937020776a5d31520bf169e851ac44e6420214"
+
 [[package]]
 name = "xattr"
 version = "0.2.2"
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 69673d1908..365382ad2b 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -92,7 +92,7 @@ num_cpus = "1.13.0"
 reqwest = { version = "0.11.2", default-features = false, features = ["blocking", "rustls-tls", "json"] }
 serial_test = "0.4.0"
 symlink = "0.1.0"
-systemstat = "0.1.5"
+systemstat = "0.1.7"
 
 [build-dependencies]
 rustc_version = "0.2"