diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 9c6b35cabb0..db053b09600 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -9,7 +9,7 @@ on:
 env:
   wasmpackVersion: 0.8.1
   nodeVersion: 14.16.1
-  rustToolchain: nightly-2021-05-12
+  rustToolchain: nightly-2021-10-29
 
 jobs:
   check:
@@ -50,6 +50,7 @@ jobs:
         uses: actions-rs/cargo@v1.0.1
         with:
           command: check
+          args: --all-targets
 
   lint:
     name: Rust Lint
diff --git a/Cargo.lock b/Cargo.lock
index a2165bb0e2b..c27ab9c5da5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "Inflector"
 version = "0.11.4"
@@ -58,6 +60,15 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "approx"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f2a05fd1bd10b2527e20a2cd32d8873d115b8b39fe219ee25f42a8aca6ba278"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "ast"
 version = "0.1.0"
@@ -96,7 +107,7 @@ dependencies = [
  "cfg-if 1.0.0",
  "libc",
  "miniz_oxide",
- "object",
+ "object 0.21.1",
  "rustc-demangle",
 ]
 
@@ -184,6 +195,17 @@ dependencies = [
  "vec_map",
 ]
 
+[[package]]
+name = "colored"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b3616f750b84d8f0de8a58bda93e08e2a81ad3f523089b05f1dffecab48c6cbd"
+dependencies = [
+ "atty",
+ "lazy_static",
+ "winapi",
+]
+
 [[package]]
 name = "combine"
 version = "4.5.2"
@@ -194,6 +216,16 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "console_error_panic_hook"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a06aeb73f470f66dcdbf7223caeebb85984942f22f1adb2a088cf9668146bbbc"
+dependencies = [
+ "cfg-if 1.0.0",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "const_fn"
 version = "0.4.5"
@@ -347,13 +379,32 @@ version = "1.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1056f553da426e9c025a662efa48b52e62e0a3a7648aa2d15aeaaf7f0d329357"
 
+[[package]]
+name = "enso-automata"
+version = "0.2.0"
+dependencies = [
+ "enso-prelude 0.2.6",
+]
+
 [[package]]
 name = "enso-automata"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f9b028792f442d36cdd2df02a29ef988c219a9ebce952015bb1c2bcb5942d261"
 dependencies = [
- "enso-prelude",
+ "enso-prelude 0.2.0",
+]
+
+[[package]]
+name = "enso-data"
+version = "0.2.0"
+dependencies = [
+ "criterion",
+ "enso-prelude 0.2.6",
+ "itertools 0.9.0",
+ "rustversion",
+ "serde",
+ "typenum",
 ]
 
 [[package]]
@@ -362,7 +413,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39dba144366e08671b102fd6feca76be1623e05816a3ba43ab05b2aaa45a625a"
 dependencies = [
- "enso-prelude",
+ "enso-prelude 0.2.0",
  "rustversion",
  "serde",
  "typenum",
@@ -374,11 +425,11 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b9c223330c46c505fed7c47894a22930eeacaa71fd914787754ee55baf8dd9a"
 dependencies = [
- "enso-automata",
- "enso-lazy-reader",
- "enso-logger",
- "enso-macro-utils",
- "enso-prelude",
+ "enso-automata 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "enso-lazy-reader 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "enso-logger 0.3.0",
+ "enso-macro-utils 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "enso-prelude 0.2.0",
  "itertools 0.8.2",
  "nonempty",
  "proc-macro2 1.0.26",
@@ -388,13 +439,48 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "enso-flexer"
+version = "0.2.1"
+dependencies = [
+ "enso-automata 0.2.0",
+ "enso-lazy-reader 0.2.0",
+ "enso-logger 0.3.1",
+ "enso-macro-utils 0.2.0",
+ "enso-prelude 0.2.6",
+ "itertools 0.8.2",
+ "nonempty",
+ "proc-macro2 1.0.26",
+ "quote 1.0.8",
+ "syn 1.0.72",
+ "unicode-segmentation",
+ "wasm-bindgen",
+ "wasm-bindgen-test",
+]
+
+[[package]]
+name = "enso-generics"
+version = "0.2.0"
+dependencies = [
+ "nalgebra 0.21.1",
+ "serde",
+]
+
+[[package]]
+name = "enso-lazy-reader"
+version = "0.2.0"
+dependencies = [
+ "enso-prelude 0.2.6",
+ "itertools 0.8.2",
+]
+
 [[package]]
 name = "enso-lazy-reader"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6b8cd22a53732103872eef4f1acbec0920ced09efb336fb06740a898d9762523"
 dependencies = [
- "enso-prelude",
+ "enso-prelude 0.2.0",
  "itertools 0.8.2",
 ]
 
@@ -404,13 +490,34 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fed27bf8ac2768a9224fd66863de4384b42bf16e079e02dd507798ce71dd4d2d"
 dependencies = [
- "enso-prelude",
- "enso-shapely",
+ "enso-prelude 0.2.0",
+ "enso-shapely 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "js-sys",
  "wasm-bindgen",
  "web-sys",
 ]
 
+[[package]]
+name = "enso-logger"
+version = "0.3.1"
+dependencies = [
+ "enso-prelude 0.2.6",
+ "enso-shapely 0.2.0",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
+]
+
+[[package]]
+name = "enso-macro-utils"
+version = "0.2.0"
+dependencies = [
+ "proc-macro2 1.0.26",
+ "quote 1.0.8",
+ "syn 1.0.72",
+ "wasm-bindgen-test",
+]
+
 [[package]]
 name = "enso-macro-utils"
 version = "0.2.0"
@@ -422,6 +529,13 @@ dependencies = [
  "syn 1.0.72",
 ]
 
+[[package]]
+name = "enso-optics"
+version = "0.2.0"
+dependencies = [
+ "enso-prelude 0.2.6",
+]
+
 [[package]]
 name = "enso-prelude"
 version = "0.2.0"
@@ -435,22 +549,66 @@ dependencies = [
  "derivative",
  "derive_more",
  "enclose",
- "enso-shapely",
+ "enso-shapely 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure",
- "ifmt",
+ "ifmt 0.2.0",
  "itertools 0.8.2",
  "lazy_static",
- "nalgebra",
- "num",
- "object",
- "paste",
+ "nalgebra 0.21.1",
+ "num 0.2.1",
+ "object 0.21.1",
+ "paste 0.1.18",
  "shrinkwraprs",
  "smallvec",
  "wasm-bindgen",
- "weak-table",
+ "weak-table 0.2.4",
  "web-sys",
 ]
 
+[[package]]
+name = "enso-prelude"
+version = "0.2.6"
+dependencies = [
+ "anyhow",
+ "backtrace",
+ "boolinator",
+ "bumpalo",
+ "cfg-if 1.0.0",
+ "colored",
+ "derivative",
+ "derive_more",
+ "enclose",
+ "enso-shapely 0.2.0",
+ "failure",
+ "ifmt 0.3.3",
+ "itertools 0.10.0",
+ "lazy_static",
+ "nalgebra 0.26.2",
+ "num 0.4.0",
+ "object 0.24.0",
+ "paste 1.0.5",
+ "serde",
+ "shrinkwraprs",
+ "smallvec",
+ "wasm-bindgen",
+ "wasm-bindgen-test",
+ "weak-table 0.3.0",
+ "web-sys",
+]
+
+[[package]]
+name = "enso-shapely"
+version = "0.2.0"
+dependencies = [
+ "derivative",
+ "enso-prelude 0.2.6",
+ "enso-shapely-macros 0.2.1",
+ "paste 0.1.18",
+ "rustversion",
+ "shrinkwraprs",
+ "wasm-bindgen-test",
+]
+
 [[package]]
 name = "enso-shapely"
 version = "0.2.0"
@@ -458,12 +616,26 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "061a335e6068e8960a315f62813a7196c3cde2c650ebd0e744f26b479baf3cd8"
 dependencies = [
  "derivative",
- "enso-shapely-macros",
- "paste",
+ "enso-shapely-macros 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "paste 0.1.18",
  "rustversion",
  "shrinkwraprs",
 ]
 
+[[package]]
+name = "enso-shapely-macros"
+version = "0.2.1"
+dependencies = [
+ "Inflector",
+ "boolinator",
+ "enso-macro-utils 0.2.0",
+ "itertools 0.8.2",
+ "proc-macro2 1.0.26",
+ "quote 1.0.8",
+ "syn 1.0.72",
+ "wasm-bindgen-test",
+]
+
 [[package]]
 name = "enso-shapely-macros"
 version = "0.2.1"
@@ -472,7 +644,7 @@ checksum = "3362771ca6e5a077479ae310c28e28abb56f4f62f2fe649719292227685dece0"
 dependencies = [
  "Inflector",
  "boolinator",
- "enso-macro-utils",
+ "enso-macro-utils 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.8.2",
  "proc-macro2 1.0.26",
  "quote 1.0.8",
@@ -513,6 +685,27 @@ dependencies = [
  "miniz_oxide",
 ]
 
+[[package]]
+name = "flexer-test-definition"
+version = "0.1.0"
+dependencies = [
+ "enso-flexer 0.2.1",
+]
+
+[[package]]
+name = "flexer-test-generation"
+version = "0.1.0"
+dependencies = [
+ "enso-flexer 0.2.1",
+ "flexer-test-definition",
+]
+
+[[package]]
+name = "futures"
+version = "0.1.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3a471a38ef8ed83cd6e40aa59c1ffe17db6855c18e3604d9c4ed8c08ebc28678"
+
 [[package]]
 name = "generic-array"
 version = "0.13.2"
@@ -571,7 +764,17 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "abec215007c2ef1ccfb17a6bae6a87736fedb573860d2606ddec08b427666164"
 dependencies = [
- "ifmt-impl",
+ "ifmt-impl 0.2.0",
+ "proc-macro-hack",
+]
+
+[[package]]
+name = "ifmt"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7dd0f8e1404f15475d8a2ca84c2942aa00ac17804ce555294a96f6b5cdf80750"
+dependencies = [
+ "ifmt-impl 0.3.3",
  "proc-macro-hack",
 ]
 
@@ -589,6 +792,20 @@ dependencies = [
  "syn 0.15.44",
 ]
 
+[[package]]
+name = "ifmt-impl"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e50385662f423431a619ab28ba2beeab3063b581a0d1a943765e23911c502904"
+dependencies = [
+ "lazy_static",
+ "proc-macro-hack",
+ "proc-macro2 1.0.26",
+ "quote 1.0.8",
+ "regex",
+ "syn 1.0.72",
+]
+
 [[package]]
 name = "itertools"
 version = "0.8.2"
@@ -666,8 +883,8 @@ name = "lexer"
 version = "0.1.0"
 dependencies = [
  "criterion",
- "enso-flexer",
- "enso-prelude",
+ "enso-flexer 0.2.0",
+ "enso-prelude 0.2.0",
  "lexer-definition",
 ]
 
@@ -675,8 +892,8 @@ dependencies = [
 name = "lexer-definition"
 version = "0.1.0"
 dependencies = [
- "enso-flexer",
- "enso-prelude",
+ "enso-flexer 0.2.0",
+ "enso-prelude 0.2.0",
  "uuid",
 ]
 
@@ -710,6 +927,15 @@ dependencies = [
  "rawpointer",
 ]
 
+[[package]]
+name = "matrixmultiply"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a8a15b776d9dfaecd44b03c5828c2199cddff5247215858aac14624f8d6b741"
+dependencies = [
+ "rawpointer",
+]
+
 [[package]]
 name = "memchr"
 version = "2.3.4"
@@ -741,15 +967,32 @@ version = "0.21.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d6b6147c3d50b4f3cdabfe2ecc94a0191fd3d6ad58aefd9664cf396285883486"
 dependencies = [
- "approx",
+ "approx 0.3.2",
  "generic-array",
- "matrixmultiply",
- "num-complex",
- "num-rational",
+ "matrixmultiply 0.2.4",
+ "num-complex 0.2.4",
+ "num-rational 0.2.4",
  "num-traits",
  "rand",
  "rand_distr",
- "simba",
+ "serde",
+ "serde_derive",
+ "simba 0.1.5",
+ "typenum",
+]
+
+[[package]]
+name = "nalgebra"
+version = "0.26.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "476d1d59fe02fe54c86356e91650cd892f392782a1cb9fc524ec84f7aa9e1d06"
+dependencies = [
+ "approx 0.4.0",
+ "matrixmultiply 0.3.1",
+ "num-complex 0.3.1",
+ "num-rational 0.3.2",
+ "num-traits",
+ "simba 0.4.0",
  "typenum",
 ]
 
@@ -775,11 +1018,25 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b8536030f9fea7127f841b45bb6243b27255787fb4eb83958aa1ef9d2fdc0c36"
 dependencies = [
- "num-bigint",
- "num-complex",
+ "num-bigint 0.2.6",
+ "num-complex 0.2.4",
  "num-integer",
  "num-iter",
- "num-rational",
+ "num-rational 0.2.4",
+ "num-traits",
+]
+
+[[package]]
+name = "num"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43db66d1170d347f9a065114077f7dccb00c1b9478c89384490a3425279a4606"
+dependencies = [
+ "num-bigint 0.4.2",
+ "num-complex 0.4.0",
+ "num-integer",
+ "num-iter",
+ "num-rational 0.4.0",
  "num-traits",
 ]
 
@@ -794,6 +1051,17 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "num-bigint"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "74e768dff5fb39a41b3bcd30bb25cf989706c90d028d1ad71971987aa309d535"
+dependencies = [
+ "autocfg",
+ "num-integer",
+ "num-traits",
+]
+
 [[package]]
 name = "num-complex"
 version = "0.2.4"
@@ -802,6 +1070,25 @@ checksum = "b6b19411a9719e753aff12e5187b74d60d3dc449ec3f4dc21e3989c3f554bc95"
 dependencies = [
  "autocfg",
  "num-traits",
+ "serde",
+]
+
+[[package]]
+name = "num-complex"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "747d632c0c558b87dbabbe6a82f3b4ae03720d0646ac5b7b4dae89394be5f2c5"
+dependencies = [
+ "num-traits",
+]
+
+[[package]]
+name = "num-complex"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26873667bbbb7c5182d4a37c1add32cdf09f841af72da53318fdb81543c15085"
+dependencies = [
+ "num-traits",
 ]
 
 [[package]]
@@ -832,7 +1119,30 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5c000134b5dbf44adc5cb772486d335293351644b801551abe8f75c84cfa4aef"
 dependencies = [
  "autocfg",
- "num-bigint",
+ "num-bigint 0.2.6",
+ "num-integer",
+ "num-traits",
+]
+
+[[package]]
+name = "num-rational"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "12ac428b1cb17fce6f731001d307d351ec70a6d202fc2e60f7d4c5e42d8f4f07"
+dependencies = [
+ "autocfg",
+ "num-integer",
+ "num-traits",
+]
+
+[[package]]
+name = "num-rational"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d41702bd167c2df5520b384281bc111a4b5efcf7fbc4c9c222c815b07e0a6a6a"
+dependencies = [
+ "autocfg",
+ "num-bigint 0.4.2",
  "num-integer",
  "num-traits",
 ]
@@ -867,6 +1177,15 @@ dependencies = [
  "wasmparser",
 ]
 
+[[package]]
+name = "object"
+version = "0.24.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a5b3dd1c072ee7963717671d1ca129f1048fda25edea6b752bfc71ac8854170"
+dependencies = [
+ "flate2",
+]
+
 [[package]]
 name = "oorandom"
 version = "11.1.3"
@@ -878,9 +1197,9 @@ name = "parser"
 version = "0.1.0"
 dependencies = [
  "criterion",
- "enso-data",
- "enso-logger",
- "enso-prelude",
+ "enso-data 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "enso-logger 0.3.0",
+ "enso-prelude 0.2.0",
  "itertools 0.10.0",
  "lexer",
 ]
@@ -903,6 +1222,12 @@ dependencies = [
  "proc-macro-hack",
 ]
 
+[[package]]
+name = "paste"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "acbf547ad0c65e31259204bd90935776d1c693cec2f4ff7abb7a1bbbd40dfe58"
+
 [[package]]
 name = "paste-impl"
 version = "0.1.18"
@@ -1116,6 +1441,12 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "scoped-tls"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea6a9290e3c9cf0f18145ef7ffa62d68ee0bf5fcd651017e586dc7fd5da448c2"
+
 [[package]]
 name = "scopeguard"
 version = "1.1.0"
@@ -1139,9 +1470,9 @@ checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 
 [[package]]
 name = "serde"
-version = "1.0.120"
+version = "1.0.130"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "166b2349061381baf54a58e4b13c89369feb0ef2eaa57198899e2312aac30aab"
+checksum = "f12d06de37cf59146fbdecab66aa99f9fe4f78722e3607577a5375d66bd0c913"
 dependencies = [
  "serde_derive",
 ]
@@ -1158,9 +1489,9 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.120"
+version = "1.0.130"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ca2a8cb5805ce9e3b95435e3765b7b553cecc762d938d409434338386cb5775"
+checksum = "d7bc1a1ab1961464eae040d96713baa5a724a8152c1222492465b54322ec508b"
 dependencies = [
  "proc-macro2 1.0.26",
  "quote 1.0.8",
@@ -1197,10 +1528,22 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb931b1367faadea6b1ab1c306a860ec17aaa5fa39f367d0c744e69d971a1fb2"
 dependencies = [
- "approx",
- "num-complex",
+ "approx 0.3.2",
+ "num-complex 0.2.4",
  "num-traits",
- "paste",
+ "paste 0.1.18",
+]
+
+[[package]]
+name = "simba"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5132a955559188f3d13c9ba831e77c802ddc8782783f050ed0c52f5988b95f4c"
+dependencies = [
+ "approx 0.4.0",
+ "num-complex 0.3.1",
+ "num-traits",
+ "paste 1.0.5",
 ]
 
 [[package]]
@@ -1397,6 +1740,19 @@ dependencies = [
  "wasm-bindgen-shared",
 ]
 
+[[package]]
+name = "wasm-bindgen-futures"
+version = "0.3.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83420b37346c311b9ed822af41ec2e82839bfe99867ec6c54e2da43b7538771c"
+dependencies = [
+ "cfg-if 0.1.10",
+ "futures",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
+]
+
 [[package]]
 name = "wasm-bindgen-macro"
 version = "0.2.58"
@@ -1426,6 +1782,31 @@ version = "0.2.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f5e7e61fc929f4c0dddb748b102ebf9f632e2b8d739f2016542b4de2965a9601"
 
+[[package]]
+name = "wasm-bindgen-test"
+version = "0.2.50"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2d9693b63a742d481c7f80587e057920e568317b2806988c59cd71618bc26c1"
+dependencies = [
+ "console_error_panic_hook",
+ "futures",
+ "js-sys",
+ "scoped-tls",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "wasm-bindgen-test-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-test-macro"
+version = "0.2.50"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0789dac148a8840bbcf9efe13905463b733fa96543bfbf263790535c11af7ba5"
+dependencies = [
+ "proc-macro2 0.4.30",
+ "quote 0.6.13",
+]
+
 [[package]]
 name = "wasm-bindgen-webidl"
 version = "0.2.58"
@@ -1454,6 +1835,12 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78e37715e810547b2ae9b6980b25bef319cb779d6c42faa8010ba47e83178113"
 
+[[package]]
+name = "weak-table"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a8f3bf74f2d43500dea6a8291b6ac943e3465ea9936b94bd017e61b7b21dd01"
+
 [[package]]
 name = "web-sys"
 version = "0.3.35"
diff --git a/Cargo.toml b/Cargo.toml
index 19cfca32cbb..946f64ba63d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,24 +7,21 @@ members = [
     "lib/rust/lexer/generation",
     "lib/rust/parser",
     "lib/rust/parser-jni",
+    "lib/rust/automata",
+    "lib/rust/data",
+    "lib/rust/flexer",
+    "lib/rust/flexer-testing/definition",
+    "lib/rust/flexer-testing/generation",
+    "lib/rust/generics",
+    "lib/rust/lazy-reader",
+    "lib/rust/logger",
+    "lib/rust/macro-utils",
+    "lib/rust/optics",
+    "lib/rust/prelude",
+    "lib/rust/shapely/impl",
+    "lib/rust/shapely/macros",
 ]
 
-# These patch versions exist to allow local development of these libraries alongside Enso. It
-# assumes you have `rust-lib` in the same directory as `enso`. See:
-# https://github.com/enso-org/rust-lib/blob/main/docs/CONTRIBUTING.md#developing-in-conjunction-with-enso--ide
-[patch.crates-io]
-#enso-automata       = { path = '../rust-lib/src/automata'       }
-#enso-data           = { path = '../rust-lib/src/data'           }
-#enso-flexer         = { path = '../rust-lib/src/flexer'         }
-#enso-generics       = { path = '../rust-lib/src/generics'       }
-#enso-lazy-reader    = { path = '../rust-lib/src/lazy-reader'    }
-#enso-logger         = { path = '../rust-lib/src/logger'         }
-#enso-macro-utils    = { path = '../rust-lib/src/macro-utils'    }
-#enso-optics         = { path = '../rust-lib/src/optics'         }
-#enso-prelude        = { path = '../rust-lib/src/prelude'        }
-#enso-shapely        = { path = '../rust-lib/src/shapely/impl'   }
-#enso-shapely-macros = { path = '../rust-lib/src/shapely/macros' }
-
 [profile.dev]
 opt-level        = 0
 lto              = false