Don't include regex in the binary, remove regex_crate module

Cargo.lock

@@ -703,9 +703,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "17392a012ea30ef05a610aa97dfb49496e71c9f676b27879922ea5bdf60d9d3f"
 dependencies = [
  "atty",
- "humantime",
  "log",
- "regex",
  "termcolor",
 ]
 
@@ -915,12 +913,6 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "79296f72d53a89096cbc9a88c9547ee8dfe793388674620e2207593d370550ac"
 
-[[package]]
-name = "humantime"
-version = "2.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
-
 [[package]]
 name = "indexmap"
 version = "1.6.2"
@@ -2069,7 +2061,6 @@ dependencies = [
  "puruspe",
  "rand 0.8.3",
  "rand_core 0.6.2",
- "regex",
  "result-like",
  "rustc_version_runtime",
  "rustpython-ast",

Cargo.toml

@@ -9,6 +9,7 @@ license = "MIT"
 include = ["LICENSE", "Cargo.toml", "src/**/*.rs"]
 
 [workspace]
+resolver = "2"
 members = [
     ".", "ast", "bytecode", "common", "compiler", "compiler/porcelain",
     "derive", "jit", "parser", "vm", "vm/pylib-crate", "wasm/lib",
@@ -26,7 +27,7 @@ ssl = ["rustpython-vm/ssl"]
 
 [dependencies]
 log = "0.4"
-env_logger = "0.8.3"
+env_logger = { version = "0.8", default-features = false, features = ["atty", "termcolor"] }
 clap = "2.33"
 rustpython-compiler = { path = "compiler/porcelain", version = "0.1.1" }
 rustpython-parser = { path = "parser", version = "0.1.1" }

vm/Cargo.toml

@@ -52,7 +52,6 @@ rustpython-bytecode = { path = "../bytecode", version = "0.1.2" }
 rustpython-jit = { path = "../jit", optional = true, version = "0.1.2" }
 rustpython-pylib = { path = "pylib-crate", optional = true, version = "0.1.0" }
 serde = { version = "1.0.66", features = ["derive"] }
-regex = "1"
 rustc_version_runtime = "0.2.0"
 puruspe = "0.1"
 caseless = "0.2.1"

vm/src/stdlib/mod.rs

@@ -26,7 +26,8 @@ mod operator;
 mod platform;
 pub(crate) mod pystruct;
 mod random;
-mod re;
+// TODO: maybe make this an extension module, if we ever get those
+// mod re;
 #[cfg(not(target_arch = "wasm32"))]
 pub mod socket;
 mod sre;
@@ -113,7 +114,6 @@ pub fn get_module_inits() -> StdlibMap {
             "math" => math::make_module,
             "_operator" => operator::make_module,
             "_platform" => platform::make_module,
-            "regex_crate" => re::make_module,
             "_random" => random::make_module,
             "_sre" => sre::make_module,
             "_string" => string::make_module,