diff --git a/Cargo.lock b/Cargo.lock
index 02cd179ca0..ff901a6cf4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -267,9 +267,9 @@ checksum = "95e28fa049fda1c330bcf9d723be7663a899c4679724b34c81e9f5a326aab8cd"
 
 [[package]]
 name = "cfg-if"
-version = "0.1.9"
+version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b486ce3ccf7ffd79fdeb678eac06a9e6c09fc88d33836340becb8fffe87c5e33"
+checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
 
 [[package]]
 name = "chrono"
@@ -433,6 +433,16 @@ dependencies = [
  "dirs-sys",
 ]
 
+[[package]]
+name = "dirs-next"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1cbcf9241d9e8d106295bd496bbe2e9cffd5fa098f2a8c9e2bbcbf09773c11a8"
+dependencies = [
+ "cfg-if",
+ "dirs-sys-next",
+]
+
 [[package]]
 name = "dirs-sys"
 version = "0.3.4"
@@ -445,6 +455,17 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "dirs-sys-next"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c60f7b8a8953926148223260454befb50c751d3c50e1c178c4fd1ace4083c9a"
+dependencies = [
+ "libc",
+ "redox_users",
+ "winapi",
+]
+
 [[package]]
 name = "dns-lookup"
 version = "1.0.1"
@@ -791,9 +812,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "lexical"
-version = "4.2.0"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eaad0ee8120fc0cf7df7e8fdbe79bf9d6189351404feb88f4e4a4bb5307bc594"
+checksum = "0afaeae1c07c575338ef6809875bfea8daa9ea8b2ee381ef1f93ba0c6e32f003"
 dependencies = [
  "cfg-if",
  "lexical-core",
@@ -802,12 +823,11 @@ dependencies = [
 
 [[package]]
 name = "lexical-core"
-version = "0.6.7"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f86d66d380c9c5a685aaac7a11818bdfa1f733198dfd9ec09c70b762cd12ad6f"
+checksum = "d7043aa5c05dd34fb73b47acb8c3708eac428de4545ea3682ed2f11293ebd890"
 dependencies = [
  "arrayvec 0.4.12",
- "bitflags",
  "cfg-if",
  "rustc_version",
  "ryu",
@@ -816,9 +836,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.68"
+version = "0.2.71"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dea0c0405123bba743ee3f91f49b1c7cfb684eef0da0a50110f758ccf24cdff0"
+checksum = "9457b06509d27052635f90d6466700c65095fdf75409b3fbdd903e988b886f49"
 
 [[package]]
 name = "libz-sys"
@@ -1524,7 +1544,7 @@ dependencies = [
  "cfg-if",
  "clap",
  "cpython",
- "dirs 2.0.1",
+ "dirs-next",
  "env_logger",
  "flame",
  "flamescope",
@@ -2030,12 +2050,11 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.1.42"
+version = "0.1.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
+checksum = "ca8a50ef2360fbd1eeb0ecd46795a87a19024eb4b53c5dc916ca1fd95fe62438"
 dependencies = [
  "libc",
- "redox_syscall",
  "winapi",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index 894f2b7c16..e30c08da75 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,7 +27,7 @@ clap = "2.33"
 rustpython-compiler = {path = "compiler", version = "0.1.1"}
 rustpython-parser = {path = "parser", version = "0.1.1"}
 rustpython-vm = {path = "vm", version = "0.1.1"}
-dirs = "=2.0.1"
+dirs = { package = "dirs-next", version = "1.0" }
 num-traits = "0.2.8"
 cfg-if = "0.1"
 
@@ -47,10 +47,8 @@ path = "src/main.rs"
 
 [patch.crates-io]
 # REDOX START, Uncommment when you want to compile/check with redoxer
-# time = { git = "https://gitlab.redox-os.org/redox-os/time.git", branch = "redox-unix" }
-# nix = { git = "https://github.com/coolreader18/nix", branch = "add-redox-support" }
 # # following patches are just waiting on a new version to be released to crates.io
-# socket2 = { git = "https://github.com/alexcrichton/socket2-rs", rev = "75fe3f2fe0e3079ad9d4dfb3a19e60bea3f2f055" }
-# rustyline = { git = "https://github.com/kkawakam/rustyline" }
-# libc = { git = "https://github.com/rust-lang/libc" }
+# nix = { git = "https://github.com/nix-rust/nix" }
+# crossbeam-utils = { git = "https://github.com/crossbeam-rs/crossbeam" }
+# socket2 = { git = "https://github.com/alexcrichton/socket2-rs" }
 # REDOX END
diff --git a/compiler/src/compile.rs b/compiler/src/compile.rs
index b2273bfaf1..b7e2f0a323 100644
--- a/compiler/src/compile.rs
+++ b/compiler/src/compile.rs
@@ -2042,7 +2042,7 @@ impl<O: OutputStream> Compiler<O> {
 
         let mut compile_element = |element| {
             self.compile_expression(element).map_err(|e| {
-                if matches!(e.error, CompileErrorType::InvalidStarExpr) {
+                if let CompileErrorType::InvalidStarExpr = e.error {
                     self.error(CompileErrorType::SyntaxError(
                         "iterable unpacking cannot be used in comprehension".to_owned(),
                     ))
diff --git a/scripts/redox/run-redoxer.sh b/scripts/redox/run-redoxer.sh
new file mode 100755
index 0000000000..b239aca72f
--- /dev/null
+++ b/scripts/redox/run-redoxer.sh
@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+set -eo pipefail
+
+cd "$(dirname "$0")"
+cd ../..
+
+DIR=$(mktemp -d)
+
+trap 'cd / && rm -rf "$DIR"' EXIT SIGINT
+
+BUILDTIME_RUSTPYTHONPATH=/root/rustpython-lib redoxer build --release
+
+cp target/x86_64-unknown-redox/release/rustpython -t "$DIR"
+ln -s "$PWD"/Lib "$DIR"/rustpython-lib
+
+redoxer exec -f "$DIR" -- ./rustpython "$@"
diff --git a/vm/Cargo.toml b/vm/Cargo.toml
index 28b0cc435d..e98236ff70 100644
--- a/vm/Cargo.toml
+++ b/vm/Cargo.toml
@@ -101,7 +101,7 @@ crc32fast = "1.2.0"
 adler32 = "1.0.3"
 gethostname = "0.2.0"
 subprocess = "0.2.2"
-socket2 = { version = "0.3", features = ["unix"] }
+socket2 = "0.3"
 rustyline = "6.0"
 openssl = { version = "0.10", features = ["vendored"], optional = true }
 openssl-sys = { version = "0.9", optional = true }
diff --git a/vm/src/lib.rs b/vm/src/lib.rs
index b324f1b58e..97f317acca 100644
--- a/vm/src/lib.rs
+++ b/vm/src/lib.rs
@@ -9,6 +9,10 @@
 #![allow(clippy::wrong_self_convention, clippy::implicit_hasher)]
 #![doc(html_logo_url = "https://raw.githubusercontent.com/RustPython/RustPython/master/logo.png")]
 #![doc(html_root_url = "https://docs.rs/rustpython-vm/")]
+#![cfg_attr(
+    target_os = "redox",
+    feature(matches_macro, proc_macro_hygiene, result_map_or)
+)]
 
 #[cfg(feature = "flame-it")]
 #[macro_use]
diff --git a/vm/src/stdlib/os.rs b/vm/src/stdlib/os.rs
index 644ba374fe..60ee65d437 100644
--- a/vm/src/stdlib/os.rs
+++ b/vm/src/stdlib/os.rs
@@ -1314,10 +1314,18 @@ fn os_urandom(size: usize, vm: &VirtualMachine) -> PyResult<Vec<u8>> {
 #[cfg(any(target_os = "linux", target_os = "openbsd"))]
 type ModeT = u32;
 
+#[cfg(target_os = "redox")]
+type ModeT = i32;
+
 #[cfg(target_os = "macos")]
 type ModeT = u16;
 
-#[cfg(any(target_os = "macos", target_os = "linux", target_os = "openbsd"))]
+#[cfg(any(
+    target_os = "macos",
+    target_os = "linux",
+    target_os = "openbsd",
+    target_os = "redox"
+))]
 fn os_umask(mask: ModeT, _vm: &VirtualMachine) -> PyResult<ModeT> {
     let ret_mask = unsafe { libc::umask(mask) };
     Ok(ret_mask)
@@ -1455,6 +1463,7 @@ fn os_utime(
 
 #[cfg(unix)]
 fn os_sync(_vm: &VirtualMachine) -> PyResult<()> {
+    #[cfg(not(target_os = "redox"))]
     unsafe {
         libc::sync();
     }
diff --git a/vm/src/stdlib/socket.rs b/vm/src/stdlib/socket.rs
index 2e21b92d9b..4bd36275b4 100644
--- a/vm/src/stdlib/socket.rs
+++ b/vm/src/stdlib/socket.rs
@@ -32,7 +32,21 @@ type RawSocket = std::os::unix::io::RawFd;
 type RawSocket = std::os::windows::raw::SOCKET;
 
 #[cfg(unix)]
-use libc as c;
+mod c {
+    pub use libc::*;
+    // https://gitlab.redox-os.org/redox-os/relibc/-/blob/master/src/header/netdb/mod.rs
+    #[cfg(target_os = "redox")]
+    pub const AI_PASSIVE: c_int = 0x01;
+    #[cfg(target_os = "redox")]
+    pub const AI_ALL: c_int = 0x10;
+    // https://gitlab.redox-os.org/redox-os/relibc/-/blob/master/src/header/sys_socket/constants.rs
+    #[cfg(target_os = "redox")]
+    pub const SO_TYPE: c_int = 3;
+    #[cfg(target_os = "redox")]
+    pub const MSG_OOB: c_int = 1;
+    #[cfg(target_os = "redox")]
+    pub const MSG_WAITALL: c_int = 256;
+}
 #[cfg(windows)]
 mod c {
     pub use winapi::shared::ws2def::*;
@@ -667,6 +681,8 @@ pub fn make_module(vm: &VirtualMachine) -> PyObjectRef {
         "SHUT_WR" => ctx.new_int(c::SHUT_WR),
         "SHUT_RDWR" => ctx.new_int(c::SHUT_RDWR),
         "MSG_PEEK" => ctx.new_int(c::MSG_PEEK),
+        "MSG_OOB" => ctx.new_int(c::MSG_OOB),
+        "MSG_WAITALL" => ctx.new_int(c::MSG_WAITALL),
         "IPPROTO_TCP" => ctx.new_int(c::IPPROTO_TCP),
         "IPPROTO_UDP" => ctx.new_int(c::IPPROTO_UDP),
         "IPPROTO_IP" => ctx.new_int(c::IPPROTO_IP),
@@ -674,20 +690,17 @@ pub fn make_module(vm: &VirtualMachine) -> PyObjectRef {
         "IPPROTO_IPV6" => ctx.new_int(c::IPPROTO_IPV6),
         "SOL_SOCKET" => ctx.new_int(c::SOL_SOCKET),
         "SO_REUSEADDR" => ctx.new_int(c::SO_REUSEADDR),
-        "TCP_NODELAY" => ctx.new_int(c::TCP_NODELAY),
-        "SO_BROADCAST" => ctx.new_int(c::SO_BROADCAST),
         "SO_TYPE" => ctx.new_int(c::SO_TYPE),
+        "SO_BROADCAST" => ctx.new_int(c::SO_BROADCAST),
+        "TCP_NODELAY" => ctx.new_int(c::TCP_NODELAY),
+        "AI_ALL" => ctx.new_int(c::AI_ALL),
+        "AI_PASSIVE" => ctx.new_int(c::AI_PASSIVE),
     });
 
     #[cfg(not(target_os = "redox"))]
     extend_module!(vm, module, {
         "getaddrinfo" => ctx.new_function(socket_getaddrinfo),
         "gethostbyaddr" => ctx.new_function(socket_gethostbyaddr),
-        // non-redox constants
-        "MSG_OOB" => ctx.new_int(c::MSG_OOB),
-        "MSG_WAITALL" => ctx.new_int(c::MSG_WAITALL),
-        "AI_ALL" => ctx.new_int(c::AI_ALL),
-        "AI_PASSIVE" => ctx.new_int(c::AI_PASSIVE),
     });
 
     extend_module_platform_specific(vm, &module);