diff --git a/fish-rust/Cargo.lock b/Cargo.lock
similarity index 86%
rename from fish-rust/Cargo.lock
rename to Cargo.lock
index 19ecc5c3a..629693d50 100644
--- a/fish-rust/Cargo.lock
+++ b/Cargo.lock
@@ -15,9 +15,9 @@ dependencies = [
 
 [[package]]
 name = "aho-corasick"
-version = "1.0.2"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43f6cb1bf222025340178f382c426f13757b2960e89779dfcb319c32542a5a41"
+checksum = "86b8f9420f797f2d9e935edf629310eb938a0d839f984e25327f3c7eed22300c"
 dependencies = [
  "memchr",
 ]
@@ -41,7 +41,7 @@ version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
 dependencies = [
- "hermit-abi 0.1.19",
+ "hermit-abi",
  "libc",
  "winapi",
 ]
@@ -68,7 +68,7 @@ name = "autocxx-bindgen"
 version = "0.62.0"
 source = "git+https://github.com/fish-shell/autocxx-bindgen?branch=fish#a229d3473bd90d2d10fc61a244408cfc1958934a"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "cexpr",
  "clang-sys",
  "itertools 0.10.5",
@@ -160,6 +160,12 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "bitflags"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4682ae6287fcf752ecaabbfcc7b6f9b72aa33933dc23a554d853aea8eea8635"
+
 [[package]]
 name = "cc"
 version = "1.0.79"
@@ -258,9 +264,9 @@ dependencies = [
 
 [[package]]
 name = "either"
-version = "1.8.1"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fcaabb2fef8c910e7f4c7ce9f67a1283a1715879a7c230ca9d6d1ae31f16d91"
+checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
 
 [[package]]
 name = "env_logger"
@@ -288,9 +294,9 @@ dependencies = [
 
 [[package]]
 name = "errno"
-version = "0.3.1"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4bcfec3a70f97c962c307b2d2c56e358cf1d00b558d74262b5f929ee8cc7e73a"
+checksum = "6b30f669a7961ef1631673d2766cc92f52d64f7ef354d4fe0ddfd30ed52f0f4f"
 dependencies = [
  "errno-dragonfly",
  "libc",
@@ -314,12 +320,9 @@ source = "git+https://github.com/fish-shell/fast-float-rust?branch=fish#9590c33a
 
 [[package]]
 name = "fastrand"
-version = "1.9.0"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e51093e27b0797c359783294ca4f0a911c270184cb10f85783b118614a1501be"
-dependencies = [
- "instant",
-]
+checksum = "6999dc1837253364c2ebb0704ba97994bd874e8f195d665c50b7548f6ea92764"
 
 [[package]]
 name = "fish-rust"
@@ -327,7 +330,7 @@ version = "0.1.0"
 dependencies = [
  "autocxx",
  "autocxx-build",
- "bitflags",
+ "bitflags 1.3.2",
  "cc",
  "cxx",
  "cxx-build",
@@ -365,17 +368,6 @@ dependencies = [
  "wasi",
 ]
 
-[[package]]
-name = "ghost"
-version = "0.1.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e77ac7b51b8e6313251737fcef4b1c01a2ea102bde68415b62c0ee9268fec357"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.22",
-]
-
 [[package]]
 name = "glob"
 version = "0.3.1"
@@ -412,12 +404,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "hermit-abi"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fed44880c466736ef9a5c5b5facefb5ed0785676d0c02d612db14e54f0d84286"
-
 [[package]]
 name = "hexponent"
 version = "0.3.1"
@@ -446,34 +432,11 @@ version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bfa799dd5ed20a7e349f3b4639aa80d74549c81716d9ec4f994c9b5815598306"
 
-[[package]]
-name = "instant"
-version = "0.1.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a5bbe824c507c5da5956355e86a746d82e0e1464f65d862cc5e71da70e94b2c"
-dependencies = [
- "cfg-if",
-]
-
 [[package]]
 name = "inventory"
-version = "0.3.6"
+version = "0.3.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0539b5de9241582ce6bd6b0ba7399313560151e58c9aaf8b74b711b1bdce644"
-dependencies = [
- "ghost",
-]
-
-[[package]]
-name = "io-lifetimes"
-version = "1.0.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eae7b9aee968036d54dce06cebaefd919e4472e753296daccd6d344e3e2df0c2"
-dependencies = [
- "hermit-abi 0.3.1",
- "libc",
- "windows-sys",
-]
+checksum = "a53088c87cf71c9d4f3372a2cb9eea1e7b8a0b1bf8b7f7d23fe5b76dbb07e63b"
 
 [[package]]
 name = "itertools"
@@ -495,9 +458,9 @@ dependencies = [
 
 [[package]]
 name = "itoa"
-version = "1.0.6"
+version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "453ad9f582a441959e5f0d088b02ce04cfe8d51a8eaf077f12ac6d3e94164ca6"
+checksum = "af150ab688ff2122fcef229be89cb50dd66af9e01a4ff320cc137eecc9bacc38"
 
 [[package]]
 name = "jobserver"
@@ -538,30 +501,30 @@ dependencies = [
 
 [[package]]
 name = "link-cplusplus"
-version = "1.0.8"
+version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ecd207c9c713c34f95a097a5b029ac2ce6010530c7b49d7fea24d977dede04f5"
+checksum = "9d240c6f7e1ba3a28b0249f774e6a9dd0175054b52dfbb61b16eb8505c3785c9"
 dependencies = [
  "cc",
 ]
 
 [[package]]
 name = "linux-raw-sys"
-version = "0.3.8"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef53942eb7bf7ff43a617b3e2c1c4a5ecf5944a7c1bc12d7ee39bbb15e5c1519"
+checksum = "57bcfdad1b858c2db7c38303a6d2ad4dfaf5eb53dfeb0910128b2c26d6158503"
 
 [[package]]
 name = "log"
-version = "0.4.19"
+version = "0.4.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b06a4cde4c0f271a446782e3eff8de789548ce57dbc8eca9292c27f4a42004b4"
+checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"
 
 [[package]]
 name = "lru"
-version = "0.10.0"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03f1160296536f10c833a82dca22267d5486734230d47bf00bf435885814ba1e"
+checksum = "718e8fae447df0c7e1ba7f5189829e63fd536945c8988d61444c19039f16b670"
 dependencies = [
  "hashbrown 0.13.2",
 ]
@@ -574,9 +537,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miette"
-version = "5.9.0"
+version = "5.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a236ff270093b0b67451bc50a509bd1bad302cb1d3c7d37d5efe931238581fa9"
+checksum = "59bb584eaeeab6bd0226ccf3509a69d7936d148cf3d036ad350abe35e8c6856e"
 dependencies = [
  "miette-derive",
  "once_cell",
@@ -586,13 +549,13 @@ dependencies = [
 
 [[package]]
 name = "miette-derive"
-version = "5.9.0"
+version = "5.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4901771e1d44ddb37964565c654a3223ba41a594d02b8da471cc4464912b5cfa"
+checksum = "49e7bc1560b95a3c4a25d03de42fe76ca718ab92d1a22a55b9b4cf67b3ae635c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.22",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -617,7 +580,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f346ff70e7dbfd675fe90590b92d59ef2de15a8779ae305ebcbfd3f0caf59be4"
 dependencies = [
  "autocfg",
- "bitflags",
+ "bitflags 1.3.2",
  "cfg-if",
  "libc",
 ]
@@ -645,9 +608,9 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "f30b0abd723be7e2ffca1272140fac1a2f084c77ec3e123c192b66af1ee9e6c2"
 dependencies = [
  "autocfg",
 ]
@@ -712,7 +675,7 @@ name = "printf-compat"
 version = "0.1.1"
 source = "git+https://github.com/fish-shell/printf-compat.git?branch=fish#ff460021ba11e2a2c69e1fe04cb1961d6a75be15"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "itertools 0.9.0",
  "libc",
  "widestring",
@@ -744,18 +707,18 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.63"
+version = "1.0.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b368fba921b0dce7e60f5e04ec15e565b3303972b42bcfde1d0713b881959eb"
+checksum = "18fb31db3f9bddb2ea821cde30a9f70117e3f119938b5ee630b7403aa6e2ead9"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.29"
+version = "1.0.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "573015e8ab27661678357f27dc26460738fd2b6c86e46f386fde94cb5d913105"
+checksum = "50f3b39ccfb720540debaa0164757101c08ecb8d326b15358ce76a62c7e85965"
 dependencies = [
  "proc-macro2",
 ]
@@ -805,14 +768,26 @@ version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "567664f262709473930a4bf9e51bf2ebf3348f2e748ccc50dea20646858f8f29"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
 ]
 
 [[package]]
 name = "regex"
-version = "1.8.4"
+version = "1.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d0ab3ca65655bb1e41f2a8c8cd662eb4fb035e67c3f78da1d61dffe89d07300f"
+checksum = "81bc1d4caf89fac26a70747fe603c130093b53c773888797a6329091246d651a"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fed1ceff11a1dddaee50c9dc8e4938bd106e9d89ae372f192311e7da498e3b69"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -821,9 +796,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.7.2"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "436b050e76ed2903236f032a59761c1eb99e1b0aead2c257922771dab1fc8c78"
+checksum = "e5ea92a5b6195c6ef2a0295ea818b312502c6fc94dde986c5553242e18fd4ce2"
 
 [[package]]
 name = "rsconf"
@@ -841,13 +816,12 @@ checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
 [[package]]
 name = "rustix"
-version = "0.37.21"
+version = "0.38.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62f25693a73057a1b4cb56179dd3c7ea21a7c6c5ee7d85781f5749b46f34b79c"
+checksum = "19ed4fa021d81c8392ce04db050a3da9a60299050b7ae1cf482d862b54a7218f"
 dependencies = [
- "bitflags",
- "errno 0.3.1",
- "io-lifetimes",
+ "bitflags 2.4.0",
+ "errno 0.3.2",
  "libc",
  "linux-raw-sys",
  "windows-sys",
@@ -855,47 +829,47 @@ dependencies = [
 
 [[package]]
 name = "rustversion"
-version = "1.0.12"
+version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f3208ce4d8448b3f3e7d168a73f5e0c43a61e32930de3bceeccedb388b6bf06"
+checksum = "7ffc183a10b4478d04cbbbfc96d0873219d962dd5accaff2ffbd4ceb7df837f4"
 
 [[package]]
 name = "ryu"
-version = "1.0.13"
+version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f91339c0467de62360649f8d3e185ca8de4224ff281f66000de5eb2a77a79041"
+checksum = "1ad4cc8da4ef723ed60bced201181d83791ad433213d8c24efffda1eec85d741"
 
 [[package]]
 name = "scratch"
-version = "1.0.5"
+version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1792db035ce95be60c3f8853017b3999209281c24e2ba5bc8e59bf97a0c590c1"
+checksum = "a3cf7c11c38cb994f3d40e8a8cde3bbd1f72a435e4c49e85d6553d8312306152"
 
 [[package]]
 name = "serde"
-version = "1.0.164"
+version = "1.0.183"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e8c8cf938e98f769bc164923b06dce91cea1751522f46f8466461af04c9027d"
+checksum = "32ac8da02677876d532745a130fc9d8e6edfa81a269b107c5b00829b91d8eb3c"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.164"
+version = "1.0.183"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9735b638ccc51c28bf6914d90a2e9725b377144fc612c49a611fddd1b631d68"
+checksum = "aafe972d60b0b9bee71a91b92fee2d4fb3c9d7e8f6b179aa99f27203d99a4816"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.22",
+ "syn 2.0.28",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.99"
+version = "1.0.104"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46266871c240a00b8f503b877622fe33430b3c7d963bdc0f2adc511e54a1eae3"
+checksum = "076066c5f1078eac5b722a31827a8832fe108bed65dfa75e233c89f8206e976c"
 dependencies = [
  "itoa",
  "ryu",
@@ -934,9 +908,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.22"
+version = "2.0.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2efbeae7acf4eabd6bcdcbd11c92f45231ddda7539edc7806bd1a04a03b24616"
+checksum = "04361975b3f5e348b2189d8dc55bc942f278b2d482a6a0365de5bdd62d351567"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -945,11 +919,10 @@ dependencies = [
 
 [[package]]
 name = "tempfile"
-version = "3.6.0"
+version = "3.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31c0432476357e58790aaa47a8efb0c5138f137343f3b5f23bd36a27e3b0a6d6"
+checksum = "dc02fddf48964c42031a0b3fe0428320ecf3a73c401040fc0096f97794310651"
 dependencies = [
- "autocfg",
  "cfg-if",
  "fastrand",
  "redox_syscall",
@@ -968,22 +941,22 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.40"
+version = "1.0.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "978c9a314bd8dc99be594bc3c175faaa9794be04a5a5e153caba6915336cebac"
+checksum = "611040a08a0439f8248d1990b111c95baa9c704c805fa1f62104b39655fd7f90"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.40"
+version = "1.0.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
+checksum = "090198534930841fab3a5d1bb637cde49e339654e606195f8d9c76eeb081dc96"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.22",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -998,9 +971,9 @@ dependencies = [
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.9"
+version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b15811caf2415fb889178633e7724bad2509101cde276048e013b9def5e51fa0"
+checksum = "301abaae475aa91687eb82514b328ab47a211a533026cb25fc3e519b86adfc3c"
 
 [[package]]
 name = "unicode-width"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 000000000..2ea608fa1
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,27 @@
+[workspace]
+resolver = "2"
+
+# TODO: Move fish-rust to src, make it the root package of this workspace
+
+members = [
+    "fish-rust",
+    "fish-rust/widestring-suffix",
+]
+
+[patch.crates-io]
+cc = { git = "https://github.com/mqudsi/cc-rs", branch = "fish" }
+cxx = { git = "https://github.com/fish-shell/cxx", branch = "fish" }
+cxx-gen = { git = "https://github.com/fish-shell/cxx", branch = "fish" }
+autocxx = { git = "https://github.com/fish-shell/autocxx", branch = "fish" }
+autocxx-build = { git = "https://github.com/fish-shell/autocxx", branch = "fish" }
+autocxx-bindgen = { git = "https://github.com/fish-shell/autocxx-bindgen", branch = "fish" }
+
+[patch.'https://github.com/fish-shell/cxx']
+cc = { git = "https://github.com/mqudsi/cc-rs", branch = "fish" }
+
+[patch.'https://github.com/fish-shell/autocxx']
+cc = { git = "https://github.com/mqudsi/cc-rs", branch = "fish" }
+
+
+[profile.release]
+overflow-checks = true
diff --git a/fish-rust/Cargo.toml b/fish-rust/Cargo.toml
index 763e02cd3..70ae02266 100644
--- a/fish-rust/Cargo.toml
+++ b/fish-rust/Cargo.toml
@@ -50,25 +50,8 @@ fish-ffi-tests = ["inventory"]
 asan = []
 bsd = []
 
-[patch.crates-io]
-cc = { git = "https://github.com/mqudsi/cc-rs", branch = "fish" }
-cxx = { git = "https://github.com/fish-shell/cxx", branch = "fish" }
-cxx-gen = { git = "https://github.com/fish-shell/cxx", branch = "fish" }
-autocxx = { git = "https://github.com/fish-shell/autocxx", branch = "fish" }
-autocxx-build = { git = "https://github.com/fish-shell/autocxx", branch = "fish" }
-autocxx-bindgen = { git = "https://github.com/fish-shell/autocxx-bindgen", branch = "fish" }
-
-[patch.'https://github.com/fish-shell/cxx']
-cc = { git = "https://github.com/mqudsi/cc-rs", branch = "fish" }
-
-[patch.'https://github.com/fish-shell/autocxx']
-cc = { git = "https://github.com/mqudsi/cc-rs", branch = "fish" }
-
 #cxx = { path = "../../cxx" }
 #cxx-gen = { path="../../cxx/gen/lib" }
 #autocxx = { path = "../../autocxx" }
 #autocxx-build = { path = "../../autocxx/gen/build" }
 #autocxx-bindgen = { path = "../../autocxx-bindgen" }
-
-[profile.release]
-overflow-checks = true
diff --git a/fish-rust/widestring-suffix/Cargo.lock b/fish-rust/widestring-suffix/Cargo.lock
deleted file mode 100644
index 0489ac22e..000000000
--- a/fish-rust/widestring-suffix/Cargo.lock
+++ /dev/null
@@ -1,47 +0,0 @@
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