--- a/media/audioipc/audioipc/Cargo.toml
+++ b/media/audioipc/audioipc/Cargo.toml
@@ -6,16 +6,19 @@ authors = [
         "Dan Glastonbury <dan.glastonbury@gmail.com>"
         ]
 description = "Remote Cubeb IPC"
 
 [dependencies]
 cubeb-core = { path = "../../cubeb-rs/cubeb-core" }
 bincode = "0.8"
 bytes = "0.4"
-error-chain = "0.10.0"
 libc = "0.2"
 log = "^0.3.6"
 memmap = "0.5.2"
 mio = "0.6.7"
 mio-uds = "0.6.4"
 serde = "1.*.*"
 serde_derive = "1.*.*"
+
+[dependencies.error-chain]
+version = "0.10.0"
+default-features = false

--- a/media/audioipc/server/Cargo.toml
+++ b/media/audioipc/server/Cargo.toml
@@ -4,16 +4,18 @@ version = "0.1.0"
 authors = ["Dan Glastonbury <dan.glastonbury@gmail.com>"]
 description = "Remote cubeb server"
 
 [dependencies]
 audioipc = { path = "../audioipc" }
 cubeb-core = { path = "../../cubeb-rs/cubeb-core" }
 cubeb = { path = "../../cubeb-rs/cubeb-api" }
 bytes = "0.4"
-error-chain = "0.10.0"
 lazycell = "^0.4"
 libc = "0.2"
 log = "^0.3.6"
 mio = "0.6.7"
 mio-uds = "0.6.4"
 slab = "0.3.0"
 
+[dependencies.error-chain]
+version = "0.10.0"
+default-features = false

--- a/toolkit/library/gtest/rust/Cargo.lock
+++ b/toolkit/library/gtest/rust/Cargo.lock
@@ -104,39 +104,16 @@ dependencies = [
  "libc 0.2.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio-uds 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "backtrace"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "backtrace-sys 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "dbghelp-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-demangle 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "backtrace-sys"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "gcc 0.3.51 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.24 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
 name = "binary-space-partition"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "bincode"
 version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -399,25 +376,16 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "darling_core 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "dbghelp-sys"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
 name = "dtoa"
 version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "dtoa-short"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -478,19 +446,16 @@ dependencies = [
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "error-chain"
 version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "backtrace 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
 
 [[package]]
 name = "euclid"
 version = "0.15.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "heapsize 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -546,21 +511,16 @@ dependencies = [
 name = "gamma-lut"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "gcc"
-version = "0.3.51"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
 name = "gdi32-sys"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1163,21 +1123,16 @@ version = "0.0.1"
 dependencies = [
  "libc 0.2.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "nserror 0.1.0",
  "nsstring 0.1.0",
  "url 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "rustc-demangle"
-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
 name = "rustc-serialize"
 version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "same-file"
 version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1674,18 +1629,16 @@ dependencies = [
 [metadata]
 "checksum aho-corasick 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "500909c4f87a9e52355b26626d890833e9e1d53ac566db76c36faa984b889699"
 "checksum ansi_term 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "23ac7c30002a5accbf7e8987d0632fa6de155b7c3d39d0067317a391e00a2ef6"
 "checksum app_units 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)" = "ed0a4de09a3b8449515e649f3bb84f72ea15fc2d10639beb0776a09b7d308074"
 "checksum arrayvec 0.3.23 (registry+https://github.com/rust-lang/crates.io-index)" = "699e63a93b79d717e8c3b5eb1b28b7780d0d6d9e59a72eb769291c83b0c8dc67"
 "checksum aster 0.41.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4ccfdf7355d9db158df68f976ed030ab0f6578af811f5a7bb6dcf221ec24e0e0"
 "checksum atomic_refcell 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fb2dcb6e6d35f20276943cc04bb98e538b348d525a04ac79c10021561d202f21"
 "checksum atty 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "d912da0db7fa85514874458ca3651fe2cddace8d0b0505571dbdcd41ab490159"
-"checksum backtrace 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "72f9b4182546f4b04ebc4ab7f84948953a118bd6021a1b6a6c909e3e94f6be76"
-"checksum backtrace-sys 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "d192fd129132fbc97497c1f2ec2c2c5174e376b95f535199ef4fe0a293d33842"
 "checksum binary-space-partition 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "88ceb0d16c4fd0e42876e298d7d3ce3780dd9ebdcbe4199816a32c77e08597ff"
 "checksum bincode 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e103c8b299b28a9c6990458b7013dc4a8356a9b854c51b9883241f5866fac36e"
 "checksum bincode 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9d3fb369af639822830328794eba2501b3479652fcd021b2aeb1ed4984202afd"
 "checksum bindgen 0.29.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ba610cba0c1727ed837316540068b51349b8268c073906067b7c3948598929bd"
 "checksum bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "aad18937a628ec6abcd26d1489012cc0e18c21798210f491af69ded9b881106d"
 "checksum bitflags 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1370e9fc2a6ae53aea8b7a5110edbd08836ed87c88736dfabccade1c2b44bff4"
 "checksum bitflags 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4efd02e230a02e18f92fc2735f44597385ed02ad8f831e7c1c1156ee5e1ab3a5"
 "checksum bitreader 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "80b13e2ab064ff3aa0bdbf1eff533f9822dc37899821f5f98c67f263eab51707"
@@ -1702,33 +1655,31 @@ dependencies = [
 "checksum core-foundation-sys 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "bc9fb3d6cb663e6fd7cf1c63f9b144ee2b1e4a78595a0451dd34bff85b9a3387"
 "checksum core-graphics 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2fd47addfc77b7e574d24e5434f95bb64a863769dfd4f1d451ca4ff5530ba01a"
 "checksum core-text 7.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2a23bef779fab70e5e6af23e36eed03a48e1c1687dea8929505d405ea48d1f5e"
 "checksum cssparser 0.22.0 (registry+https://github.com/rust-lang/crates.io-index)" = "44313341610282488e1156ad1fedebca51c54766c87a041d0287b10499c04ba1"
 "checksum cssparser-macros 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "079adec4af52bb5275eadd004292028c79eb3c5f5b4ee8086a36d4197032f6df"
 "checksum darling 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9861a8495606435477df581bc858ccf15a3469747edf175b94a4704fd9aaedac"
 "checksum darling_core 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1486a8b00b45062c997f767738178b43219133dd0c8c826cb811e60563810821"
 "checksum darling_macro 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8a86ec160aa0c3dd492dd4a14ec8104ad8f1a9400a820624db857998cc1f80f9"
-"checksum dbghelp-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "97590ba53bcb8ac28279161ca943a924d1fd4a8fb3fa63302591647c4fc5b850"
 "checksum dtoa 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "09c3753c3db574d215cba4ea76018483895d7bff25a31b49ba45db21c48e50ab"
 "checksum dtoa-short 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "068d4026697c1a18f0b0bb8cfcad1b0c151b90d8edb9bf4c235ad68128920d1d"
 "checksum dwrote 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "36e3b27cd0b8a68e00f07e8d8e1e4f4d8a6b8b873290a734f63bd56d792d23e1"
 "checksum either 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "18785c1ba806c258137c937e44ada9ee7e69a37e3c72077542cd2f069d78562a"
 "checksum encoding_c 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "93ec52324ca72f423237a413ca0e1c60654c8b3d0934fcd5fd888508dfcc4ba7"
 "checksum encoding_rs 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f5215aabf22b83153be3ee44dfe3f940214541b2ce13d419c55e7a115c8c51a9"
 "checksum env_logger 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3ddf21e73e016298f5cb37d6ef8e8da8e39f91f9ec8b0df44b7deb16a9f8cd5b"
 "checksum error-chain 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d9435d864e017c3c6afeac1654189b06cdb491cf2ff73dbf0d73b0f292f42ff8"
 "checksum euclid 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)" = "50c9e4c3b53de731815135191f0b77969bea953211b8bbd3cc3083a7b10e190e"
 "checksum fnv 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "6cc484842f1e2884faf56f529f960cc12ad8c71ce96cc7abba0a067c98fee344"
 "checksum freetype 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "398b8a11884898184d55aca9806f002b3cf68f0e860e0cbb4586f834ee39b0e7"
 "checksum fs2 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9ab76cfd2aaa59b7bf6688ad9ba15bbae64bff97f04ea02144cfd3443e5c2866"
 "checksum futures 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "55f0008e13fc853f79ea8fc86e931486860d4c4c156cdffb59fa5f7fa833660a"
 "checksum fxhash 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c31b6d751ae2c7f11320402d34e41349dd1016f8d5d45e48c4312bc8625af50c"
 "checksum gamma-lut 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dd65074503368cef99b98844012adfed8d7f99ff3e1e6d05e9055232f2d59dc9"
-"checksum gcc 0.3.51 (registry+https://github.com/rust-lang/crates.io-index)" = "120d07f202dcc3f72859422563522b66fe6463a4c513df062874daad05f85f0a"
 "checksum gdi32-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0912515a8ff24ba900422ecda800b52f4016a56251922d397c576bf92c690518"
 "checksum gl_generator 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "0940975a4ca12b088d32b5d5134826c47d2e73de4b0b459b05244c01503eccbb"
 "checksum gleam 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)" = "bf887141f0c2a83eae026cbf3fba74f0a5cb0f01d20e5cdfcd8c4ad39295be1e"
 "checksum glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "8be18de09a56b60ed0edf84bc9df007e30040691af7acd1c41874faac5895bfb"
 "checksum heapsize 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4c7593b1522161003928c959c20a2ca421c68e940d63d75573316a009e48a6d4"
 "checksum ident_case 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3c9826188e666f2ed92071d2dadef6edc430b11b158b5b2b3f4babbcc891eaaa"
 "checksum idna 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "014b298351066f1512874135335d62a789ffe78a9974f94b43ed5621951eaf7d"
 "checksum iovec 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "29d062ee61fccdf25be172e70f34c9f6efc597e1fb8f6526e8437b2046ab26be"
@@ -1775,17 +1726,16 @@ dependencies = [
 "checksum quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e920b65c65f10b2ae65c831a81a073a89edd28c7cce89475bff467ab4167a"
 "checksum rand 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "022e0636ec2519ddae48154b028864bdce4eaf7d35226ab8e65c611be97b189d"
 "checksum rayon 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b614fe08b6665cb9a231d07ac1364b0ef3cb3698f1239ee0c4c3a88a524f54c8"
 "checksum rayon-core 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e2c21a92a5dca958fb030787c1158446c6deb7f976399b72fa8074603f169e2a"
 "checksum redox_syscall 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "8dd35cc9a8bdec562c757e3d43c1526b5c6d2653e23e2315065bc25556550753"
 "checksum regex 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1731164734096285ec2a5ec7fea5248ae2f5485b3feeb0115af4fda2183b2d1b"
 "checksum regex-syntax 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ad890a5eef7953f55427c50575c680c42841653abd2b028b68cd223d157f62db"
 "checksum runloop 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5d79b4b604167921892e84afbbaad9d5ad74e091bf6c511d9dbfb0593f09fabd"
-"checksum rustc-demangle 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "3058a43ada2c2d0b92b3ae38007a2d0fa5e9db971be260e0171408a4ff471c95"
 "checksum rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)" = "dcf128d1287d2ea9d80910b5f1120d0b8eede3fbf1abe91c40d39ea7d51e6fda"
 "checksum same-file 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "d931a44fdaa43b8637009e7632a02adc4f2b2e0733c08caa4cf00e8da4a117a7"
 "checksum scopeguard 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c79eb2c3ac4bc2507cda80e7f3ac5b88bd8eae4c0914d5663e6a8933994be918"
 "checksum semver 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7a3186ec9e65071a2095434b1f5bb24838d4e8e130f584c790f6033c79943537"
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 "checksum serde 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)" = "c2f530d36fb84ec48fb7146936881f026cdbf4892028835fd9398475f82c1bb4"
 "checksum serde_derive 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)" = "10552fad5500771f3902d0c5ba187c5881942b811b7ba0d8fbbfbf84d80806d3"
 "checksum serde_derive_internals 0.15.1 (registry+https://github.com/rust-lang/crates.io-index)" = "37aee4e0da52d801acfbc0cc219eb1eda7142112339726e427926a6f6ee65d3a"

--- a/toolkit/library/rust/Cargo.lock
+++ b/toolkit/library/rust/Cargo.lock
@@ -103,39 +103,16 @@ dependencies = [
  "libc 0.2.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio-uds 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "backtrace"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "backtrace-sys 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "dbghelp-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-demangle 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "gcc 0.3.51 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.24 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
 name = "binary-space-partition"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
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@@ -398,25 +375,16 @@ version = "0.2.0"
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@@ -477,19 +445,16 @@ dependencies = [
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