diff --git a/extra/rust/build b/extra/rust/build
index 3397c621..f02d3b3e 100755
--- a/extra/rust/build
+++ b/extra/rust/build
@@ -5,11 +5,11 @@
 # connection requirement per build further enabling checksums
 # and signature verification by KISS.
 {
-    cache_dir=build/cache/2019-08-15
+    cache_dir=build/cache/2019-09-26
     mkdir -p "$cache_dir"
 
-    for tarball in *.tar.gz\#no-extract; do
-        mv -f "$tarball" "$cache_dir/${tarball%%\#no-extract}"
+    for tarball in *.tar.gz\?no-extract; do
+        mv -f "$tarball" "$cache_dir/${tarball%%\?no-extract}"
     done
 }
 
diff --git a/extra/rust/checksums b/extra/rust/checksums
index e60ce06e..6570ccd3 100644
--- a/extra/rust/checksums
+++ b/extra/rust/checksums
@@ -1,5 +1,5 @@
-644263ca7c7106f8ee8fcde6bb16910d246b30668a74be20b8c7e0e9f4a52d80  rustc-1.38.0-src.tar.gz
-fa1d98bf18fb49ff58a70d51ff7924e4d1975f7812dc5217ea31652bf8b7bca4  rust-std-1.37.0-x86_64-unknown-linux-musl.tar.gz#no-extract
-1981b67c0cbcaf37f40ee9576d6d1b9a554019e571fc4c49ee9457cf011e0f75  rustc-1.37.0-x86_64-unknown-linux-musl.tar.gz#no-extract
-cbc10b662b36be72f94803bf3a977051648ccef29d914fede1fa7fff04c784b4  cargo-0.38.0-x86_64-unknown-linux-musl.tar.gz#no-extract
-bdc6fa240226860d613c03d19180b810c389d5fa3a21dfc574e01c1c838b201a  musl-libressl.patch
+b4a1f6b6a93931f270691aba4fc85eee032fecda973e6b9c774cd06857609357  rustc-1.39.0-src.tar.gz
+56b87fdca1f41b634285593cae42fdbd5fe9632ef502336679362b283ed53c22  rust-std-1.38.0-x86_64-unknown-linux-musl.tar.gz?no-extract
+bb0166cbb1d31bcb09d79224e7ac43a80d9448b7199b5392a3852b3ec71840aa  rustc-1.38.0-x86_64-unknown-linux-musl.tar.gz?no-extract
+bbf58bf638c5c4cf86caaa1bfe2835b3856d4ef46447c9942d5e59cc7654c5e4  cargo-0.39.0-x86_64-unknown-linux-musl.tar.gz?no-extract
+122b5d9b83778882bdd64d40fea98982f7d1db510e09fc64a4ece5add4fd99a2  musl-libressl.patch
diff --git a/extra/rust/patches/musl-libressl.patch b/extra/rust/patches/musl-libressl.patch
index dd356185..ed1f2404 100644
--- a/extra/rust/patches/musl-libressl.patch
+++ b/extra/rust/patches/musl-libressl.patch
@@ -1,75 +1,29 @@
 diff --git a/src/bootstrap/compile.rs b/src/bootstrap/compile.rs
-index 4cd793ada..562cf3e05 100644
+index 6ea32edfb..9d6d10f7f 100644
 --- a/src/bootstrap/compile.rs
 +++ b/src/bootstrap/compile.rs
-@@ -115,28 +115,6 @@ impl Step for Std {
- fn copy_third_party_objects(builder: &Builder<'_>, compiler: &Compiler, target: Interned<String>) {
-     let libdir = builder.sysroot_libdir(*compiler, target);
- 
--    // Copies the crt(1,i,n).o startup objects
--    //
--    // Since musl supports fully static linking, we can cross link for it even
--    // with a glibc-targeting toolchain, given we have the appropriate startup
--    // files. As those shipped with glibc won't work, copy the ones provided by
--    // musl so we have them on linux-gnu hosts.
+@@ -122,7 +122,7 @@ fn copy_third_party_objects(builder: &Builder<'_>, compiler: &Compiler, target:
+     // with a glibc-targeting toolchain, given we have the appropriate startup
+     // files. As those shipped with glibc won't work, copy the ones provided by
+     // musl so we have them on linux-gnu hosts.
 -    if target.contains("musl") {
--        for &obj in &["crt1.o", "crti.o", "crtn.o"] {
--            builder.copy(
--                &builder.musl_root(target).unwrap().join("lib").join(obj),
--                &libdir.join(obj),
--            );
--        }
--    } else if target.ends_with("-wasi") {
--        for &obj in &["crt1.o"] {
--            builder.copy(
--                &builder.wasi_root(target).unwrap().join("lib/wasm32-wasi").join(obj),
--                &libdir.join(obj),
--            );
--        }
--    }
--
-     // Copies libunwind.a compiled to be linked wit x86_64-fortanix-unknown-sgx.
-     //
-     // This target needs to be linked to Fortanix's port of llvm's libunwind.
++    if target.contains("noop") {
+         for &obj in &["crt1.o", "crti.o", "crtn.o"] {
+             builder.copy(
+                 &builder.musl_root(target).unwrap().join("lib").join(obj),
 diff --git a/src/bootstrap/sanity.rs b/src/bootstrap/sanity.rs
-index 4e3930c8d..3b1095480 100644
+index bffe748f3..40f9f597f 100644
 --- a/src/bootstrap/sanity.rs
 +++ b/src/bootstrap/sanity.rs
-@@ -187,34 +187,6 @@ pub fn check(build: &mut Build) {
-             }
+@@ -188,7 +188,7 @@ pub fn check(build: &mut Build) {
          }
  
--        // Make sure musl-root is valid
+         // Make sure musl-root is valid
 -        if target.contains("musl") {
--            // If this is a native target (host is also musl) and no musl-root is given,
--            // fall back to the system toolchain in /usr before giving up
--            if build.musl_root(*target).is_none() && build.config.build == *target {
--                let target = build.config.target_config.entry(target.clone())
--                    .or_default();
--                target.musl_root = Some("/usr".into());
--            }
--            match build.musl_root(*target) {
--                Some(root) => {
--                    if fs::metadata(root.join("lib/libc.a")).is_err() {
--                        panic!("couldn't find libc.a in musl dir: {}",
--                               root.join("lib").display());
--                    }
--                    if fs::metadata(root.join("lib/libunwind.a")).is_err() {
--                        panic!("couldn't find libunwind.a in musl dir: {}",
--                               root.join("lib").display());
--                    }
--                }
--                None => {
--                    panic!("when targeting MUSL either the rust.musl-root \
--                            option or the target.$TARGET.musl-root option must \
--                            be specified in config.toml")
--                }
--            }
--        }
--
-         if target.contains("msvc") {
-             // There are three builds of cmake on windows: MSVC, MinGW, and
-             // Cygwin. The Cygwin build does not have generators for Visual
++        if target.contains("noop") {
+             // If this is a native target (host is also musl) and no musl-root is given,
+             // fall back to the system toolchain in /usr before giving up
+             if build.musl_root(*target).is_none() && build.config.build == *target {
 diff --git a/src/librustc_target/spec/linux_musl_base.rs b/src/librustc_target/spec/linux_musl_base.rs
 index e294e6398..17fecb3b2 100644
 --- a/src/librustc_target/spec/linux_musl_base.rs
@@ -84,56 +38,46 @@ index e294e6398..17fecb3b2 100644
      base.crt_static_respected = true;
  
 diff --git a/src/libunwind/build.rs b/src/libunwind/build.rs
-index da31a49dd..dd0b89227 100644
+index f24d957d6..4632212fd 100644
 --- a/src/libunwind/build.rs
 +++ b/src/libunwind/build.rs
-@@ -13,9 +13,7 @@ fn main() {
-         #[cfg(all(not(bootstrap), feature = "llvm-libunwind"))]
+@@ -10,7 +10,7 @@ fn main() {
+         // Build the unwinding from libunwind C/C++ source code.
          llvm_libunwind::compile();
      } else if target.contains("linux") {
 -        if target.contains("musl") {
--            // musl is handled in lib.rs
--        } else if !target.contains("android") {
-+        if !target.contains("android") {
-             println!("cargo:rustc-link-lib=gcc_s");
-         }
-     } else if target.contains("freebsd") {
++        if target.contains("noop") {
+             // linking for musl is handled in lib.rs
+             llvm_libunwind::compile();
+         } else if !target.contains("android") {
 diff --git a/src/libunwind/lib.rs b/src/libunwind/lib.rs
-index 8d9164471..9a6411c60 100644
+index 8d9164471..3adaaf43d 100644
 --- a/src/libunwind/lib.rs
 +++ b/src/libunwind/lib.rs
-@@ -20,11 +20,6 @@ cfg_if::cfg_if! {
+@@ -20,7 +20,7 @@ cfg_if::cfg_if! {
      }
  }
  
 -#[cfg(target_env = "musl")]
--#[link(name = "unwind", kind = "static", cfg(target_feature = "crt-static"))]
--#[link(name = "gcc_s", cfg(not(target_feature = "crt-static")))]
--extern {}
--
- #[cfg(target_os = "redox")]
- #[link(name = "gcc_eh", kind = "static-nobundle", cfg(target_feature = "crt-static"))]
++#[cfg(target_env = "noop")]
+ #[link(name = "unwind", kind = "static", cfg(target_feature = "crt-static"))]
  #[link(name = "gcc_s", cfg(not(target_feature = "crt-static")))]
+ extern {}
 diff --git a/vendor/libc/src/unix/mod.rs b/vendor/libc/src/unix/mod.rs
-index 8295dfc02..c1740ff5d 100644
+index 721d24116..26bf271cd 100644
 --- a/vendor/libc/src/unix/mod.rs
 +++ b/vendor/libc/src/unix/mod.rs
-@@ -296,13 +296,6 @@ cfg_if! {
+@@ -296,7 +296,7 @@ cfg_if! {
      } else if #[cfg(feature = "std")] {
          // cargo build, don't pull in anything extra as the libstd dep
          // already pulls in all libs.
 -    } else if #[cfg(target_env = "musl")] {
--        #[cfg_attr(feature = "rustc-dep-of-std",
--                   link(name = "c", kind = "static",
--                        cfg(target_feature = "crt-static")))]
--        #[cfg_attr(feature = "rustc-dep-of-std",
--                   link(name = "c", cfg(not(target_feature = "crt-static"))))]
--        extern {}
-     } else if #[cfg(target_os = "emscripten")] {
-         #[link(name = "c")]
-         extern {}
++    } else if #[cfg(target_env = "noop")] {
+         #[cfg_attr(feature = "rustc-dep-of-std",
+                    link(name = "c", kind = "static",
+                         cfg(target_feature = "crt-static")))]
 diff --git a/vendor/openssl-sys/build/main.rs b/vendor/openssl-sys/build/main.rs
-index 02b93b90a..ff66ca180 100644
+index 02b93b90a..27deca5fe 100644
 --- a/vendor/openssl-sys/build/main.rs
 +++ b/vendor/openssl-sys/build/main.rs
 @@ -183,27 +183,30 @@ See rust-openssl README for more information:
diff --git a/extra/rust/sources b/extra/rust/sources
index f2f15a83..a1e63232 100644
--- a/extra/rust/sources
+++ b/extra/rust/sources
@@ -1,5 +1,5 @@
-https://static.rust-lang.org/dist/rustc-1.38.0-src.tar.gz
-https://static.rust-lang.org/dist/2019-08-15/rust-std-1.37.0-x86_64-unknown-linux-musl.tar.gz#no-extract
-https://static.rust-lang.org/dist/2019-08-15/rustc-1.37.0-x86_64-unknown-linux-musl.tar.gz#no-extract
-https://static.rust-lang.org/dist/2019-08-15/cargo-0.38.0-x86_64-unknown-linux-musl.tar.gz#no-extract
+https://static.rust-lang.org/dist/rustc-1.39.0-src.tar.gz
+https://static.rust-lang.org/dist/2019-09-26/rust-std-1.38.0-x86_64-unknown-linux-musl.tar.gz?no-extract
+https://static.rust-lang.org/dist/2019-09-26/rustc-1.38.0-x86_64-unknown-linux-musl.tar.gz?no-extract
+https://static.rust-lang.org/dist/2019-09-26/cargo-0.39.0-x86_64-unknown-linux-musl.tar.gz?no-extract
 patches/musl-libressl.patch
diff --git a/extra/rust/version b/extra/rust/version
index 99afb349..07fabd51 100644
--- a/extra/rust/version
+++ b/extra/rust/version
@@ -1 +1 @@
-1.38.0 1
+1.39.0 1