diff --git a/.github/workflows/edenscm-hg_linux.yml b/.github/workflows/edenscm-hg_linux.yml
new file mode 100644
index 0000000000..5f97ad85e8
--- /dev/null
+++ b/.github/workflows/edenscm-hg_linux.yml
@@ -0,0 +1,147 @@
+# This file was @generated by getdeps.py
+
+name: EdenSCM HG Linux
+
+on:
+  push:
+    branches:
+    - master
+  pull_request:
+    branches:
+    - master
+
+jobs:
+  build:
+    runs-on: ubuntu-18.04
+    steps:
+    - uses: actions/checkout@v1
+    - name: Install Rust Stable
+      uses: actions-rs/toolchain@v1
+      with:
+        toolchain: stable
+        default: true
+        profile: minimal
+    - name: Install Python 2.7
+      uses: actions/setup-python@v2
+      with:
+        python-version: '2.7'
+    - name: Install system deps
+      run: sudo python3 build/fbcode_builder/getdeps.py --allow-system-packages install-system-deps --recursive eden_scm
+    - name: Fetch fb303-source
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests fb303-source
+    - name: Fetch fbthrift-source
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests fbthrift-source
+    - name: Fetch openssl
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests openssl
+    - name: Fetch boost
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests boost
+    - name: Fetch ninja
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests ninja
+    - name: Fetch cmake
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests cmake
+    - name: Fetch fmt
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests fmt
+    - name: Fetch googletest
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests googletest
+    - name: Fetch python-six
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests python-six
+    - name: Fetch zstd
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests zstd
+    - name: Fetch double-conversion
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests double-conversion
+    - name: Fetch gflags
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests gflags
+    - name: Fetch glog
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests glog
+    - name: Fetch libevent
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests libevent
+    - name: Fetch lz4
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests lz4
+    - name: Fetch snappy
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests snappy
+    - name: Fetch folly
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests folly
+    - name: Fetch autoconf
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests autoconf
+    - name: Fetch automake
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests automake
+    - name: Fetch libtool
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests libtool
+    - name: Fetch bison
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests bison
+    - name: Fetch libsodium
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests libsodium
+    - name: Fetch fizz
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests fizz
+    - name: Fetch flex
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests flex
+    - name: Fetch wangle
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests wangle
+    - name: Fetch fbthrift
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests fbthrift
+    - name: Fetch rust-shed
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests rust-shed
+    - name: Build fb303-source
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests fb303-source
+    - name: Build fbthrift-source
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests fbthrift-source
+    - name: Build openssl
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests openssl
+    - name: Build boost
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests boost
+    - name: Build ninja
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests ninja
+    - name: Build cmake
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests cmake
+    - name: Build fmt
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests fmt
+    - name: Build googletest
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests googletest
+    - name: Build python-six
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests python-six
+    - name: Build zstd
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests zstd
+    - name: Build double-conversion
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests double-conversion
+    - name: Build gflags
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests gflags
+    - name: Build glog
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests glog
+    - name: Build libevent
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests libevent
+    - name: Build lz4
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests lz4
+    - name: Build snappy
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests snappy
+    - name: Build folly
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests folly
+    - name: Build autoconf
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests autoconf
+    - name: Build automake
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests automake
+    - name: Build libtool
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests libtool
+    - name: Build bison
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests bison
+    - name: Build libsodium
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests libsodium
+    - name: Build fizz
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests fizz
+    - name: Build flex
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests flex
+    - name: Build wangle
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests wangle
+    - name: Build fbthrift
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests fbthrift
+    - name: Build rust-shed
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests rust-shed
+    - name: Build eden_scm
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --src-dir=. eden_scm  --project-install-prefix eden_scm:/usr/local
+    - name: Copy artifacts
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fixup-dyn-deps --strip --src-dir=. eden_scm _artifacts/linux  --project-install-prefix eden_scm:/usr/local --final-install-prefix /usr/local
+    - uses: actions/upload-artifact@master
+      with:
+        name: eden_scm
+        path: _artifacts
+    - name: Test eden_scm
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages test --src-dir=. eden_scm  --project-install-prefix eden_scm:/usr/local
diff --git a/.github/workflows/edenscm-hg_mac.yml b/.github/workflows/edenscm-hg_mac.yml
new file mode 100644
index 0000000000..4d5e48e060
--- /dev/null
+++ b/.github/workflows/edenscm-hg_mac.yml
@@ -0,0 +1,149 @@
+# This file was @generated by getdeps.py
+
+name: EdenSCM HG Mac
+
+on:
+  push:
+    branches:
+    - master
+  pull_request:
+    branches:
+    - master
+
+jobs:
+  build:
+    runs-on: macOS-latest
+    env:
+      DEVELOPER_DIR: /Applications/Xcode_10.3.app/Contents/Developer
+    steps:
+    - uses: actions/checkout@v1
+    - name: Install Rust Stable
+      uses: actions-rs/toolchain@v1
+      with:
+        toolchain: stable
+        default: true
+        profile: minimal
+    - name: Install Python 2.7
+      uses: actions/setup-python@v2
+      with:
+        python-version: '2.7'
+    - name: Install system deps
+      run: sudo python3 build/fbcode_builder/getdeps.py --allow-system-packages install-system-deps --recursive eden_scm
+    - name: Fetch fb303-source
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests fb303-source
+    - name: Fetch fbthrift-source
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests fbthrift-source
+    - name: Fetch openssl
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests openssl
+    - name: Fetch boost
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests boost
+    - name: Fetch ninja
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests ninja
+    - name: Fetch cmake
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests cmake
+    - name: Fetch fmt
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests fmt
+    - name: Fetch googletest
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests googletest
+    - name: Fetch python-six
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests python-six
+    - name: Fetch zstd
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests zstd
+    - name: Fetch double-conversion
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests double-conversion
+    - name: Fetch gflags
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests gflags
+    - name: Fetch glog
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests glog
+    - name: Fetch libevent
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests libevent
+    - name: Fetch lz4
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests lz4
+    - name: Fetch snappy
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests snappy
+    - name: Fetch folly
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests folly
+    - name: Fetch autoconf
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests autoconf
+    - name: Fetch automake
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests automake
+    - name: Fetch libtool
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests libtool
+    - name: Fetch bison
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests bison
+    - name: Fetch libsodium
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests libsodium
+    - name: Fetch fizz
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests fizz
+    - name: Fetch flex
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests flex
+    - name: Fetch wangle
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests wangle
+    - name: Fetch fbthrift
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests fbthrift
+    - name: Fetch rust-shed
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fetch --no-tests rust-shed
+    - name: Build fb303-source
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests fb303-source
+    - name: Build fbthrift-source
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests fbthrift-source
+    - name: Build openssl
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests openssl
+    - name: Build boost
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests boost
+    - name: Build ninja
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests ninja
+    - name: Build cmake
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests cmake
+    - name: Build fmt
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests fmt
+    - name: Build googletest
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests googletest
+    - name: Build python-six
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests python-six
+    - name: Build zstd
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests zstd
+    - name: Build double-conversion
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests double-conversion
+    - name: Build gflags
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests gflags
+    - name: Build glog
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests glog
+    - name: Build libevent
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests libevent
+    - name: Build lz4
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests lz4
+    - name: Build snappy
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests snappy
+    - name: Build folly
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests folly
+    - name: Build autoconf
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests autoconf
+    - name: Build automake
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests automake
+    - name: Build libtool
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests libtool
+    - name: Build bison
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests bison
+    - name: Build libsodium
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests libsodium
+    - name: Build fizz
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests fizz
+    - name: Build flex
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests flex
+    - name: Build wangle
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests wangle
+    - name: Build fbthrift
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests fbthrift
+    - name: Build rust-shed
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --no-tests rust-shed
+    - name: Build eden_scm
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --src-dir=. eden_scm  --project-install-prefix eden_scm:/usr/local
+    - name: Copy artifacts
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fixup-dyn-deps --src-dir=. eden_scm _artifacts/mac  --project-install-prefix eden_scm:/usr/local --final-install-prefix /usr/local
+    - uses: actions/upload-artifact@master
+      with:
+        name: eden_scm
+        path: _artifacts
+    - name: Test eden_scm
+      run: python3 build/fbcode_builder/getdeps.py --allow-system-packages test --src-dir=. eden_scm  --project-install-prefix eden_scm:/usr/local
diff --git a/build/fbcode_builder/getdeps/builder.py b/build/fbcode_builder/getdeps/builder.py
index 1560375f6a..25c70b0027 100644
--- a/build/fbcode_builder/getdeps/builder.py
+++ b/build/fbcode_builder/getdeps/builder.py
@@ -990,7 +990,6 @@ class CargoBuilder(BuilderBase):
     def run_cargo(self, install_dirs, operation, args=None):
         args = args or []
         env = self._compute_env(install_dirs)
-        self.add_openssl_to_env(env, install_dirs)
         # Enable using nightly features with stable compiler
         env["RUSTC_BOOTSTRAP"] = "1"
         env["LIBZ_SYS_STATIC"] = "1"
@@ -1002,17 +1001,6 @@ class CargoBuilder(BuilderBase):
         ] + args
         self._run_cmd(cmd, cwd=self.workspace_dir(), env=env)
 
-    def add_openssl_to_env(self, env, install_dirs):
-        openssl_candidates = [d for d in install_dirs if "openssl" in d]
-        if len(openssl_candidates) > 1:
-            raise Exception(
-                "Found more than one candidate for openssl directory: {}.".format(
-                    openssl_candidates
-                )
-            )
-        elif len(openssl_candidates) == 1:
-            env["OPENSSL_DIR"] = openssl_candidates[0]
-
     def build_source_dir(self):
         return os.path.join(self.build_dir, "source")
 
diff --git a/build/fbcode_builder/getdeps/buildopts.py b/build/fbcode_builder/getdeps/buildopts.py
index 0d6a1b3079..9bc7e0cdbf 100644
--- a/build/fbcode_builder/getdeps/buildopts.py
+++ b/build/fbcode_builder/getdeps/buildopts.py
@@ -184,6 +184,9 @@ class BuildOptions(object):
         else:
             env = Env()
 
+        env["GETDEPS_BUILD_DIR"] = os.path.join(self.scratch_dir, "build")
+        env["GETDEPS_INSTALL_DIR"] = self.install_dir
+
         if self.fbsource_dir:
             env["YARN_YARN_OFFLINE_MIRROR"] = os.path.join(
                 self.fbsource_dir, "xplat/third-party/yarn/offline-mirror"
@@ -247,16 +250,28 @@ class BuildOptions(object):
             # If rustc is present in the `bin` directory, set RUSTC to prevent
             # cargo uses the rustc installed in the system.
             if self.is_windows():
+                cargo_path = os.path.join(bindir, "cargo.bat")
                 rustc_path = os.path.join(bindir, "rustc.bat")
                 rustdoc_path = os.path.join(bindir, "rustdoc.bat")
             else:
+                cargo_path = os.path.join(bindir, "cargo")
                 rustc_path = os.path.join(bindir, "rustc")
                 rustdoc_path = os.path.join(bindir, "rustdoc")
 
             if os.path.isfile(rustc_path):
+                env["CARGO_BIN"] = cargo_path
                 env["RUSTC"] = rustc_path
                 env["RUSTDOC"] = rustdoc_path
 
+            if self.is_windows():
+                libcrypto = os.path.join(d, "lib/libcrypto.lib")
+            else:
+                libcrypto = os.path.join(d, "lib/libcrypto.so")
+            openssl_include = os.path.join(d, "include/openssl")
+            if os.path.isfile(libcrypto) and os.path.isdir(openssl_include):
+                # This must be the openssl library, let Rust know about it
+                env["OPENSSL_DIR"] = d
+
         return env
 
 
diff --git a/build/fbcode_builder/getdeps/runcmd.py b/build/fbcode_builder/getdeps/runcmd.py
index 89cfe395bc..b479a09e3f 100644
--- a/build/fbcode_builder/getdeps/runcmd.py
+++ b/build/fbcode_builder/getdeps/runcmd.py
@@ -24,13 +24,13 @@ class RunCommandError(Exception):
     pass
 
 
-def _print_env_diff(env):
+def _print_env_diff(env, log_fn):
     current_keys = set(os.environ.keys())
     wanted_env = set(env.keys())
 
     unset_keys = current_keys.difference(wanted_env)
     for k in sorted(unset_keys):
-        print("+ unset %s" % k)
+        log_fn("+ unset %s\n" % k)
 
     added_keys = wanted_env.difference(current_keys)
     for k in wanted_env.intersection(current_keys):
@@ -39,11 +39,11 @@ def _print_env_diff(env):
 
     for k in sorted(added_keys):
         if ("PATH" in k) and (os.pathsep in env[k]):
-            print("+ %s=\\" % k)
+            log_fn("+ %s=\\\n" % k)
             for elem in env[k].split(os.pathsep):
-                print("+      %s%s\\" % (shellquote(elem), os.pathsep))
+                log_fn("+      %s%s\\\n" % (shellquote(elem), os.pathsep))
         else:
-            print("+ %s=%s \\" % (k, shellquote(env[k])))
+            log_fn("+ %s=%s \\\n" % (k, shellquote(env[k])))
 
 
 def run_cmd(cmd, env=None, cwd=None, allow_fail=False, log_file=None):
@@ -76,7 +76,7 @@ def _run_cmd(cmd, env, cwd, allow_fail, log_fn):
 
     if env:
         assert isinstance(env, Env)
-        _print_env_diff(env)
+        _print_env_diff(env, log_fn)
 
         # Convert from our Env type to a regular dict.
         # This is needed because python3 looks up b'PATH' and 'PATH'
diff --git a/build/fbcode_builder/manifests/eden_scm b/build/fbcode_builder/manifests/eden_scm
index a6e687cc71..225e3723e3 100644
--- a/build/fbcode_builder/manifests/eden_scm
+++ b/build/fbcode_builder/manifests/eden_scm
@@ -43,8 +43,10 @@ fbcode/fboss/common = common
 \.pyc$
 
 [dependencies]
-fb303
+fb303-source
 fbthrift
+fbthrift-source
+openssl
 rust-shed
 
 [dependencies.fb=on]
diff --git a/build/fbcode_builder/manifests/fb303-source b/build/fbcode_builder/manifests/fb303-source
new file mode 100644
index 0000000000..ea160c5001
--- /dev/null
+++ b/build/fbcode_builder/manifests/fb303-source
@@ -0,0 +1,15 @@
+[manifest]
+name = fb303-source
+fbsource_path = fbcode/fb303
+shipit_project = fb303
+shipit_fbcode_builder = false
+
+[git]
+repo_url = https://github.com/facebook/fb303.git
+
+[build]
+builder = nop
+
+[shipit.pathmap]
+fbcode/fb303/github = .
+fbcode/fb303 = fb303
diff --git a/build/fbcode_builder/manifests/fbthrift-rust b/build/fbcode_builder/manifests/fbthrift-source
similarity index 94%
rename from build/fbcode_builder/manifests/fbthrift-rust
rename to build/fbcode_builder/manifests/fbthrift-source
index 95141a8967..72cfc3f107 100644
--- a/build/fbcode_builder/manifests/fbthrift-rust
+++ b/build/fbcode_builder/manifests/fbthrift-source
@@ -1,5 +1,5 @@
 [manifest]
-name = fbthrift-rust
+name = fbthrift-source
 fbsource_path = fbcode/thrift
 shipit_project = fbthrift
 shipit_fbcode_builder = true
diff --git a/build/fbcode_builder/manifests/mononoke b/build/fbcode_builder/manifests/mononoke
index 8ee8e5210b..9103a34289 100644
--- a/build/fbcode_builder/manifests/mononoke
+++ b/build/fbcode_builder/manifests/mononoke
@@ -36,7 +36,7 @@ tools/rust/ossconfigs = .
 ^fbcode/configerator/structs/scm/mononoke/(?!public_autocargo).+/Cargo\.toml$
 
 [dependencies]
-fbthrift-rust
+fbthrift-source
 rust-shed
 
 [dependencies.fb=on]
diff --git a/eden/scm/Makefile b/eden/scm/Makefile
index 40ce997987..d30249f5cb 100644
--- a/eden/scm/Makefile
+++ b/eden/scm/Makefile
@@ -100,25 +100,16 @@ build:
 wheel:
 	FORCE_SETUPTOOLS=1 $(PYTHON) setup.py $(PURE) bdist_wheel $(COMPILERFLAG)
 
-getdepshelper:
-ifeq ($(OS),Windows_NT)
-	mkdir ../../../../build/eden_scm
-	mklink ../../../../build/eden_scm build
-	mklink ../fbthrift/thrift ../../thrift
-	nklink ../fb303/fb303 ../../fb303
-	mkdir ../../common/rust
-	mklink ../../../rust-shed/shed ../../common/rust/shed
-else
-	mkdir -p ../../../../build/eden_scm
-	ln -sf ../../../../build/eden_scm build
-	ln -sf ../fbthrift/thrift ../../thrift
-	ln -sf ../fb303/fb303 ../../fb303
+getdepsbuild:
+	mkdir -p $(GETDEPS_BUILD_DIR)/eden_scm
+	ln -sf $(GETDEPS_BUILD_DIR)/eden_scm build
+	ln -sf $(GETDEPS_INSTALL_DIR)/fbthrift-source/thrift ../../thrift
+	ln -sf $(GETDEPS_INSTALL_DIR)/fb303-source/fb303 ../../fb303
 	mkdir -p ../../common/rust
-	ln -sf ../../../rust-shed/shed ../../common/rust/shed
-endif
-
-getdepsbuild: export GETDEPS_BUILD=1
-getdepsbuild: getdepshelper build
+	ln -sf $(GETDEPS_INSTALL_DIR)/rust-shed/shed ../../common/rust/shed
+	GETDEPS_BUILD=1 \
+		THRIFT="$(GETDEPS_INSTALL_DIR)/fbthrift/bin/thrift1" \
+		$(PYTHON) setup.py $(PURE) build $(COMPILERFLAG)
 
 cleanbutpackages:
 	-$(PYTHON) setup.py clean --all # ignore errors from this command
@@ -145,9 +136,8 @@ install: build
 install-home: build
 	$(PYTHON) setup.py $(PURE) install --home="$(HOME)" --prefix="" --force
 
-install-getdeps: export GETDEPS_BUILD=1
 install-getdeps: getdepsbuild
-	$(PYTHON) setup.py $(PURE) install --root="$(DESTDIR)/" --prefix="$(PREFIX)" --force
+	GETDEPS_BUILD=1 $(PYTHON) setup.py $(PURE) install --root="$(DESTDIR)/" --prefix="$(PREFIX)" --force
 
 check: tests
 
@@ -188,4 +178,4 @@ i18n/hg.pot: $(PYFILES) $(DOCFILES) i18n/posplit i18n/hggettext
 
 # Packaging targets
 
-.PHONY: help all local local3 build cleanbutpackages clean install install-home install-getdeps getdepsbuild getdepshelper
+.PHONY: help all local local3 build cleanbutpackages clean install install-home install-getdeps getdepsbuild
diff --git a/eden/scm/distutils_rust/__init__.py b/eden/scm/distutils_rust/__init__.py
index b1eaededbf..62567e3db1 100644
--- a/eden/scm/distutils_rust/__init__.py
+++ b/eden/scm/distutils_rust/__init__.py
@@ -401,7 +401,7 @@ replace-with = "vendored-sources"
             return os.environ.get("RUST_VENDORED_CRATES_DIR")
 
         def rust_binary_paths(self):
-            return {"cargo": "cargo"}
+            return {"cargo": os.environ.get("CARGO_BIN", "cargo")}
 
 
 class InstallRustExt(distutils.command.install_scripts.install_scripts):
diff --git a/eden/scm/setup.py b/eden/scm/setup.py
index cdba3c359a..440e095829 100644
--- a/eden/scm/setup.py
+++ b/eden/scm/setup.py
@@ -779,7 +779,7 @@ class thriftasset(asset):
             thriftfile = pjoin(thriftdir, thriftdest)
             subprocess.check_call(
                 [
-                    "../../../../installed/fbthrift/bin/thrift1",
+                    os.environ["THRIFT"],
                     "-I",
                     thriftdir,
                     "-gen",
diff --git a/eden/scm/setup3.py b/eden/scm/setup3.py
index cdd618d31d..bda88ab0bb 100644
--- a/eden/scm/setup3.py
+++ b/eden/scm/setup3.py
@@ -717,7 +717,7 @@ class thriftasset(asset):
             thriftfile = pjoin(thriftdir, thriftdest)
             subprocess.check_call(
                 [
-                    "../../../../installed/fbthrift/bin/thrift1",
+                    os.environ["THRIFT"],
                     "-I",
                     thriftdir,
                     "-gen",