diff --git a/.gitignore b/.gitignore
index b8e0ab33c3..c15ce30e5b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,6 @@ node_modules
 
 # third party deps
 /third_party/
+
+# RLS generated files
+/target/
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000000..646a36e710
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,80 @@
+[[package]]
+name = "cfg-if"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "deno"
+version = "0.0.0"
+dependencies = [
+ "libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "idna"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "matches 0.1.6 (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 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "libc"
+version = "0.2.42"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "log"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "matches"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "percent-encoding"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "unicode-bidi"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "matches 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "unicode-normalization"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "url"
+version = "1.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "idna 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "matches 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[metadata]
+"checksum cfg-if 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "efe5c877e17a9c717a0bf3613b2709f723202c4e4675cc8f12926ded29bcb17e"
+"checksum idna 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "38f09e0f0b1fb55fdee1f17470ad800da77af5186a1a76c026b679358b7e844e"
+"checksum libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)" = "b685088df2b950fccadf07a7187c8ef846a959c142338a48f9dc0b94517eb5f1"
+"checksum log 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "61bd98ae7f7b754bc53dca7d44b604f733c6bba044ea6f41bc8d89272d8161d2"
+"checksum matches 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "100aabe6b8ff4e4a7e32c1c13523379802df0772b82466207ac25b013f193376"
+"checksum percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "31010dd2e1ac33d5b46a5b413495239882813e0369f8ed8a5e266f173602f831"
+"checksum unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "49f2bd0c6468a8230e1db229cff8029217cf623c767ea5d60bfbd42729ea54d5"
+"checksum unicode-normalization 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "6a0180bc61fc5a987082bfa111f4cc95c4caff7f9799f3e46df09163a937aa25"
+"checksum url 1.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2a321979c09843d272956e73700d12c4e7d3d92b2ee112b31548aef0d4efc5a6"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000000..89fd4a71ab
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,11 @@
+ # Dummy package info required by `cargo fetch`
+ # Called from tools/build_third_party.py
+ # Should not be called with `cargo build`
+[package]
+name = "deno"
+version = "0.0.0"
+
+[dependencies]
+url = "1.7.1"
+libc = "0.2.42"
+log = "0.4.3"
\ No newline at end of file
diff --git a/build_extra/rust/BUILD.gn b/build_extra/rust/BUILD.gn
index b036326606..bf90b85f1a 100644
--- a/build_extra/rust/BUILD.gn
+++ b/build_extra/rust/BUILD.gn
@@ -17,12 +17,14 @@ rust_staticlib("stdlib") {
 crates = "//third_party/rust_crates"
 
 rust_component("libc") {
-  source_root = "$crates/libc/src/lib.rs"
+  source_root =
+      "$crates/registry/src/github.com-1ecc6299db9ec823/libc-0.2.42/src/lib.rs"
   cfg = [ "feature=\"use_std\"" ]
 }
 
 rust_component("url") {
-  source_root = "$crates/url/src/lib.rs"
+  source_root =
+      "$crates/registry/src/github.com-1ecc6299db9ec823/url-1.7.1/src/lib.rs"
   extern = [
     ":matches",
     ":idna",
@@ -31,15 +33,17 @@ rust_component("url") {
 }
 
 rust_component("percent_encoding") {
-  source_root = "$crates/url/percent_encoding/lib.rs"
+  source_root = "$crates/registry/src/github.com-1ecc6299db9ec823/percent-encoding-1.0.1/lib.rs"
 }
 
 rust_component("matches") {
-  source_root = "$crates/rust-std-candidates/matches/lib.rs"
+  source_root =
+      "$crates/registry/src/github.com-1ecc6299db9ec823/matches-0.1.6/lib.rs"
 }
 
 rust_component("idna") {
-  source_root = "$crates/url/idna/src/lib.rs"
+  source_root =
+      "$crates/registry/src/github.com-1ecc6299db9ec823/idna-0.1.5/src/lib.rs"
   extern = [
     ":matches",
     ":unicode_bidi",
@@ -48,19 +52,21 @@ rust_component("idna") {
 }
 
 rust_component("unicode_bidi") {
-  source_root = "$crates/unicode-bidi/src/lib.rs"
+  source_root = "$crates/registry/src/github.com-1ecc6299db9ec823/unicode-bidi-0.3.4/src/lib.rs"
   extern = [ ":matches" ]
 }
 
 rust_component("unicode_normalization") {
-  source_root = "$crates/unicode-normalization/src/lib.rs"
+  source_root = "$crates/registry/src/github.com-1ecc6299db9ec823/unicode-normalization-0.1.7/src/lib.rs"
 }
 
 rust_component("log") {
-  source_root = "$crates/log/src/lib.rs"
+  source_root =
+      "$crates/registry/src/github.com-1ecc6299db9ec823/log-0.4.3/src/lib.rs"
   extern = [ ":cfg_if" ]
 }
 
 rust_component("cfg_if") {
-  source_root = "$crates/cfg_if/src/lib.rs"
+  source_root =
+      "$crates/registry/src/github.com-1ecc6299db9ec823/cfg-if-0.1.4/src/lib.rs"
 }
diff --git a/gclient_config.py b/gclient_config.py
index 01d799b2e1..32bfcc425f 100644
--- a/gclient_config.py
+++ b/gclient_config.py
@@ -34,39 +34,4 @@ solutions = [{
     'https://github.com/rw/flatbuffers.git@2018-02--rust',
     'name':
     'flatbuffers'
-}, {
-    'url':
-    'https://github.com/rust-lang/libc.git@8a85d662b90c14d458bc4ae9521a05564e20d7ae',
-    'name':
-    'rust_crates/libc'
-}, {
-    'url':
-    'https://github.com/servo/rust-url.git@fbe5e50316105482dcd53d2dabb148c445a5f4cd',
-    'name':
-    'rust_crates/url'
-}, {
-    # Needed for url.
-    'url':
-    'https://github.com/SimonSapin/rust-std-candidates.git@88a017b79ea146d6fde389c96982fc7518ba98bf',
-    'name':
-    'rust_crates/rust-std-candidates'
-}, {
-    # Needed for url.
-    'url':
-    'https://github.com/servo/unicode-bidi.git@32c81729db0ac90289ebeca9e0d4886f264e724d',
-    'name':
-    'rust_crates/unicode-bidi'
-}, {
-    # Needed for url.
-    'url':
-    'https://github.com/behnam/rust-unicode-normalization.git@3898e77b110246cb7243bf29b896c58d8975304a',
-    'name':
-    'rust_crates/unicode-normalization'
-}, {
-    'url': 'https://github.com/rust-lang-nursery/log.git@0.4.2',
-    'name': 'rust_crates/log'
-}, {
-    # Needed for log.
-    'url': 'https://github.com/alexcrichton/cfg-if.git@0.1.4',
-    'name': 'rust_crates/cfg_if'
 }]
diff --git a/tools/build_third_party.py b/tools/build_third_party.py
index d1ae16ccff..e46c8ddd1f 100755
--- a/tools/build_third_party.py
+++ b/tools/build_third_party.py
@@ -29,3 +29,5 @@ remove_and_symlink(join("v8", "third_party", "llvm-build"), "llvm-build")
 remove_and_symlink(join("v8", "third_party", "markupsafe"), "markupsafe")
 run(["gclient", "sync", "--shallow", "--no-history"])
 run(["yarn"])
+run(["cargo", "fetch", "--manifest-path=../Cargo.toml"],
+    envs={'CARGO_HOME': third_party_path + '/rust_crates'})
diff --git a/tools/util.py b/tools/util.py
index 6874f80009..8b8628aba3 100644
--- a/tools/util.py
+++ b/tools/util.py
@@ -4,10 +4,12 @@ import os
 import subprocess
 
 
-def run(args, quiet=False):
+def run(args, quiet=False, envs={}):
     if not quiet:
         print " ".join(args)
     env = os.environ.copy()
+    for key in envs.keys():
+        env[key] = envs[key]
     if os.name == "nt":
         # Run through shell to make .bat/.cmd files work.
         args = ["cmd", "/c"] + args