diff --git a/Cargo.lock b/Cargo.lock
index c08e5002c..235183ac1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -98,12 +98,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "autocfg"
-version = "0.1.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d49d90015b3c36167a20fe2810c5cd875ad504b39cff3d4eae7977e6b7c1cb2"
-
 [[package]]
 name = "autocfg"
 version = "1.0.0"
@@ -283,15 +277,6 @@ dependencies = [
  "vec_map",
 ]
 
-[[package]]
-name = "cloudabi"
-version = "0.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
-dependencies = [
- "bitflags",
-]
-
 [[package]]
 name = "cloudabi"
 version = "0.1.0"
@@ -342,7 +327,7 @@ version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
 dependencies = [
- "autocfg 1.0.0",
+ "autocfg",
  "cfg-if",
  "lazy_static 1.4.0",
 ]
@@ -468,9 +453,9 @@ checksum = "bb1f6b1ce1c140482ea30ddd3335fc0024ac7ee112895426e0a629a6c20adfe3"
 
 [[package]]
 name = "ena"
-version = "0.13.1"
+version = "0.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8944dc8fa28ce4a38f778bd46bf7d923fe73eed5a439398507246c8e017e6f36"
+checksum = "d7402b94a93c24e742487327a7cd839dc9d36fec9de9fb25b09f2dae459f36c3"
 dependencies = [
  "log",
 ]
@@ -502,9 +487,9 @@ checksum = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
 
 [[package]]
 name = "fixedbitset"
-version = "0.1.9"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "86d4de0081402f5e88cdac65c8dcdcc73118c1a7a465e2a05f0da05843a8ea33"
+checksum = "37ab347416e802de484e4d03c7316c48f1ecb56574dfd4a46a80f173ce1de04d"
 
 [[package]]
 name = "flame"
@@ -576,12 +561,6 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
 
-[[package]]
-name = "fuchsia-cprng"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
-
 [[package]]
 name = "futures"
 version = "0.1.29"
@@ -634,7 +613,7 @@ version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "34f595585f103464d8d2f6e9864682d74c1601fed5e07d62b1c9058dba8246fb"
 dependencies = [
- "autocfg 1.0.0",
+ "autocfg",
 ]
 
 [[package]]
@@ -673,7 +652,7 @@ version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b88cd59ee5f71fea89a62248fc8f387d44400cefe05ef548466d61ced9029a7"
 dependencies = [
- "autocfg 1.0.0",
+ "autocfg",
  "hashbrown",
 ]
 
@@ -710,6 +689,15 @@ dependencies = [
  "either",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "284f18f85651fe11e8a991b2adb42cb078325c996ed026d994719efcfca1d54b"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "0.4.6"
@@ -733,9 +721,9 @@ checksum = "67c21572b4949434e4fc1e1978b99c5f77064153c59d998bf13ecd96fb5ecba7"
 
 [[package]]
 name = "lalrpop"
-version = "0.17.2"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "64dc3698e75d452867d9bd86f4a723f452ce9d01fe1d55990b79f0c790aa67db"
+checksum = "d6f55673d283313791404be21209bb433f128f7e5c451986df107eb5fdbd68d2"
 dependencies = [
  "ascii-canvas",
  "atty",
@@ -743,7 +731,7 @@ dependencies = [
  "diff",
  "docopt",
  "ena",
- "itertools",
+ "itertools 0.9.0",
  "lalrpop-util",
  "petgraph",
  "regex",
@@ -753,14 +741,14 @@ dependencies = [
  "sha2",
  "string_cache",
  "term",
- "unicode-xid 0.1.0",
+ "unicode-xid",
 ]
 
 [[package]]
 name = "lalrpop-util"
-version = "0.17.2"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c277d18683b36349ab5cd030158b54856fca6bb2d5dc5263b06288f486958b7c"
+checksum = "f7e88f15a7d31dfa8fb607986819039127f0161058a3b248a146142d276cbd28"
 
 [[package]]
 name = "lazy_static"
@@ -888,8 +876,8 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c674293daac706360a8fa633c802ca15d27ee4a52394f12ecec2f6d2aa5508bf"
 dependencies = [
- "rand 0.7.3",
- "rand_core 0.5.1",
+ "rand",
+ "rand_core",
 ]
 
 [[package]]
@@ -923,7 +911,7 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b7f3fc75e3697059fb1bc465e3d8cca6cf92f56854f201158b3f9c77d5a3cfa0"
 dependencies = [
- "autocfg 1.0.0",
+ "autocfg",
  "num-integer",
  "num-traits",
  "serde",
@@ -935,7 +923,7 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6b19411a9719e753aff12e5187b74d60d3dc449ec3f4dc21e3989c3f554bc95"
 dependencies = [
- "autocfg 1.0.0",
+ "autocfg",
  "num-traits",
  "serde",
 ]
@@ -946,7 +934,7 @@ version = "0.1.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8d59457e662d541ba17869cf51cf177c0b5f0cbf476c66bdc90bf1edac4f875b"
 dependencies = [
- "autocfg 1.0.0",
+ "autocfg",
  "num-traits",
 ]
 
@@ -956,7 +944,7 @@ version = "0.1.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7a6e6b7c748f995c4c29c5f5ae0248536e04a5739927c74ec0fa564805094b9f"
 dependencies = [
- "autocfg 1.0.0",
+ "autocfg",
  "num-integer",
  "num-traits",
 ]
@@ -967,7 +955,7 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a5b4d7360f362cfb50dde8143501e6940b22f644be75a4cc90b2d81968908138"
 dependencies = [
- "autocfg 1.0.0",
+ "autocfg",
  "num-bigint",
  "num-integer",
  "num-traits",
@@ -979,7 +967,7 @@ version = "0.2.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac267bcc07f48ee5f8935ab0d24f316fb722d7a1292e2913f0cc196b29ffd611"
 dependencies = [
- "autocfg 1.0.0",
+ "autocfg",
 ]
 
 [[package]]
@@ -1061,7 +1049,7 @@ version = "0.9.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a842db4709b604f0fe5d1170ae3565899be2ad3d9cbc72dedc789ac0511f78de"
 dependencies = [
- "autocfg 1.0.0",
+ "autocfg",
  "cc",
  "libc",
  "openssl-src",
@@ -1069,12 +1057,6 @@ dependencies = [
  "vcpkg",
 ]
 
-[[package]]
-name = "ordermap"
-version = "0.3.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a86ed3f5f244b372d6b1a00b72ef7f8876d0bc6a78a4c9985c53614041512063"
-
 [[package]]
 name = "parking_lot"
 version = "0.11.0"
@@ -1093,7 +1075,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c361aa727dd08437f2f1447be8b59a33b0edd15e0fcee698f935613d9efbca9b"
 dependencies = [
  "cfg-if",
- "cloudabi 0.1.0",
+ "cloudabi",
  "instant",
  "libc",
  "redox_syscall",
@@ -1122,29 +1104,19 @@ dependencies = [
 
 [[package]]
 name = "petgraph"
-version = "0.4.13"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c3659d1ee90221741f65dd128d9998311b0e40c5d3c23a62445938214abce4f"
+checksum = "467d164a6de56270bd7c4d070df81d07beace25012d5103ced4e9ff08d6afdb7"
 dependencies = [
  "fixedbitset",
- "ordermap",
-]
-
-[[package]]
-name = "phf_generator"
-version = "0.7.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09364cc93c159b8b06b1f4dd8a4398984503483891b0c26b867cf431fb132662"
-dependencies = [
- "phf_shared",
- "rand 0.6.5",
+ "indexmap",
 ]
 
 [[package]]
 name = "phf_shared"
-version = "0.7.24"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "234f71a15de2288bcb7e3b6515828d22af7ec8598ee6d24c3b526fa0a80b67a0"
+checksum = "c00cf8b9eafe68dde5e9eaa2cef8ee84a9336a47d566ec55ca16589633b65af7"
 dependencies = [
  "siphasher",
 ]
@@ -1199,7 +1171,7 @@ version = "1.0.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "04f5f085b5d71e2188cb8271e5da0161ad52c3f227a661a3c135fdf28e258b12"
 dependencies = [
- "unicode-xid 0.2.1",
+ "unicode-xid",
 ]
 
 [[package]]
@@ -1227,25 +1199,6 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "rand"
-version = "0.6.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d71dacdc3c88c1fde3885a3be3fbab9f35724e6ce99467f7d9c5026132184ca"
-dependencies = [
- "autocfg 0.1.7",
- "libc",
- "rand_chacha 0.1.1",
- "rand_core 0.4.2",
- "rand_hc 0.1.0",
- "rand_isaac",
- "rand_jitter",
- "rand_os",
- "rand_pcg",
- "rand_xorshift",
- "winapi",
-]
-
 [[package]]
 name = "rand"
 version = "0.7.3"
@@ -1254,19 +1207,9 @@ checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
 dependencies = [
  "getrandom",
  "libc",
- "rand_chacha 0.2.2",
- "rand_core 0.5.1",
- "rand_hc 0.2.0",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "556d3a1ca6600bfcbab7c7c91ccb085ac7fbbcd70e008a98742e7847f4f7bcef"
-dependencies = [
- "autocfg 0.1.7",
- "rand_core 0.3.1",
+ "rand_chacha",
+ "rand_core",
+ "rand_hc",
 ]
 
 [[package]]
@@ -1276,24 +1219,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
 dependencies = [
  "ppv-lite86",
- "rand_core 0.5.1",
+ "rand_core",
 ]
 
-[[package]]
-name = "rand_core"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
-dependencies = [
- "rand_core 0.4.2",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc"
-
 [[package]]
 name = "rand_core"
 version = "0.5.1"
@@ -1303,84 +1231,13 @@ dependencies = [
  "getrandom",
 ]
 
-[[package]]
-name = "rand_hc"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b40677c7be09ae76218dc623efbf7b18e34bced3f38883af07bb75630a21bc4"
-dependencies = [
- "rand_core 0.3.1",
-]
-
 [[package]]
 name = "rand_hc"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
 dependencies = [
- "rand_core 0.5.1",
-]
-
-[[package]]
-name = "rand_isaac"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ded997c9d5f13925be2a6fd7e66bf1872597f759fd9dd93513dd7e92e5a5ee08"
-dependencies = [
- "rand_core 0.3.1",
-]
-
-[[package]]
-name = "rand_jitter"
-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1166d5c91dc97b88d1decc3285bb0a99ed84b05cfd0bc2341bdf2d43fc41e39b"
-dependencies = [
- "libc",
- "rand_core 0.4.2",
- "winapi",
-]
-
-[[package]]
-name = "rand_os"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b75f676a1e053fc562eafbb47838d67c84801e38fc1ba459e8f180deabd5071"
-dependencies = [
- "cloudabi 0.0.3",
- "fuchsia-cprng",
- "libc",
- "rand_core 0.4.2",
- "rdrand",
- "winapi",
-]
-
-[[package]]
-name = "rand_pcg"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "abf9b09b01790cfe0364f52bf32995ea3c39f4d2dd011eac241d2914146d0b44"
-dependencies = [
- "autocfg 0.1.7",
- "rand_core 0.4.2",
-]
-
-[[package]]
-name = "rand_xorshift"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cbf7e9e623549b0e21f6e97cf8ecf247c1a8fd2e8a992ae265314300b2455d5c"
-dependencies = [
- "rand_core 0.3.1",
-]
-
-[[package]]
-name = "rdrand"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
-dependencies = [
- "rand_core 0.3.1",
+ "rand_core",
 ]
 
 [[package]]
@@ -1492,7 +1349,7 @@ version = "0.1.2"
 dependencies = [
  "bincode",
  "bitflags",
- "itertools",
+ "itertools 0.8.2",
  "lz4-compress",
  "num-bigint",
  "num-complex",
@@ -1509,7 +1366,7 @@ dependencies = [
  "num-bigint",
  "num-traits",
  "parking_lot",
- "rand 0.7.3",
+ "rand",
 ]
 
 [[package]]
@@ -1518,7 +1375,7 @@ version = "0.1.2"
 dependencies = [
  "arrayvec 0.5.1",
  "indexmap",
- "itertools",
+ "itertools 0.8.2",
  "log",
  "num-complex",
  "rustpython-bytecode",
@@ -1593,7 +1450,7 @@ dependencies = [
  "hexf-parse",
  "indexmap",
  "is-macro",
- "itertools",
+ "itertools 0.8.2",
  "lexical",
  "libc",
  "libz-sys",
@@ -1616,8 +1473,8 @@ dependencies = [
  "openssl-sys",
  "parking_lot",
  "paste",
- "rand 0.7.3",
- "rand_core 0.5.1",
+ "rand",
+ "rand_core",
  "regex",
  "result-like",
  "rustc_version_runtime",
@@ -1817,9 +1674,9 @@ dependencies = [
 
 [[package]]
 name = "siphasher"
-version = "0.2.3"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b8de496cf83d4ed58b6be86c3a275b8602f6ffe98d3024a869e124147a9a3ac"
+checksum = "fa8f3741c7372e75519bd9346068370c9cdaabcc1f9599cbcf2a2719352286b7"
 
 [[package]]
 name = "smallbox"
@@ -1857,43 +1714,22 @@ version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cce16f6de653e88beca7bd13780d08e09d4489dbca1f9210e041bc4852481382"
 dependencies = [
- "rand 0.7.3",
+ "rand",
 ]
 
 [[package]]
 name = "string_cache"
-version = "0.7.5"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89c058a82f9fd69b1becf8c274f412281038877c553182f1d02eb027045a2d67"
+checksum = "2940c75beb4e3bf3a494cef919a747a2cb81e52571e212bfbd185074add7208a"
 dependencies = [
  "lazy_static 1.4.0",
  "new_debug_unreachable",
  "phf_shared",
  "precomputed-hash",
  "serde",
- "string_cache_codegen",
- "string_cache_shared",
 ]
 
-[[package]]
-name = "string_cache_codegen"
-version = "0.4.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0f45ed1b65bf9a4bf2f7b7dc59212d1926e9eaf00fa998988e420fd124467c6"
-dependencies = [
- "phf_generator",
- "phf_shared",
- "proc-macro2",
- "quote",
- "string_cache_shared",
-]
-
-[[package]]
-name = "string_cache_shared"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1884d1bc09741d466d9b14e6d37ac89d6909cbcac41dd9ae982d4d063bbedfc"
-
 [[package]]
 name = "strsim"
 version = "0.8.0"
@@ -1920,7 +1756,7 @@ checksum = "fb7f4c519df8c117855e19dd8cc851e89eb746fe7a73f0157e0d95fdec5369b0"
 dependencies = [
  "proc-macro2",
  "quote",
- "unicode-xid 0.2.1",
+ "unicode-xid",
 ]
 
 [[package]]
@@ -2155,12 +1991,6 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3"
 
-[[package]]
-name = "unicode-xid"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
-
 [[package]]
 name = "unicode-xid"
 version = "0.2.1"
diff --git a/parser/Cargo.toml b/parser/Cargo.toml
index da88a7586..76a62c680 100644
--- a/parser/Cargo.toml
+++ b/parser/Cargo.toml
@@ -9,10 +9,10 @@ license = "MIT"
 edition = "2018"
 
 [build-dependencies]
-lalrpop="0.17"
+lalrpop="0.19"
 
 [dependencies]
-lalrpop-util = "0.17"
+lalrpop-util = "0.19"
 log = "0.4.1"
 num-bigint = "0.3"
 num-traits = "0.2"