Rustup to rustc 1.56.0-nightly (29ef6cf16 2021-08-31)

build_sysroot/Cargo.lock

@@ -40,9 +40,9 @@ checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
 name = "cc"
-version = "1.0.69"
+version = "1.0.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e70cc2f62c6ce1868963827bd677764c62d07c3d9a3e1fb1177ee1a9ab199eb2"
+checksum = "d26a6ce4b6a484fa3edb70f7efa6fc430fd2b87285fe8b84304fd0936faa0dc0"
 
 [[package]]
 name = "cfg-if"
@@ -56,7 +56,7 @@ dependencies = [
 
 [[package]]
 name = "compiler_builtins"
-version = "0.1.46"
+version = "0.1.50"
 dependencies = [
  "rustc-std-workspace-core",
 ]
@@ -132,9 +132,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.100"
+version = "0.2.101"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1fa8cddc8fbbee11227ef194b5317ed014b8acbf15139bd716a18ad3fe99ec5"
+checksum = "3cb00336871be5ed2c8ed44b60ae9959dc5b9f08539422ed43f09e34ecaeba21"
 dependencies = [
  "rustc-std-workspace-core",
 ]
@@ -164,9 +164,9 @@ dependencies = [
 
 [[package]]
 name = "object"
-version = "0.26.1"
+version = "0.26.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee2766204889d09937d00bfbb7fec56bb2a199e2ade963cab19185d8a6104c7c"
+checksum = "39f37e50073ccad23b6d09bcb5b263f4e76d3bb6038e4a3c08e52162ffa8abc2"
 dependencies = [
  "compiler_builtins",
  "memchr",

build_system/prepare.rs

@@ -92,7 +92,7 @@ fn prepare_sysroot() {
     clone_repo(
         "build_sysroot/compiler-builtins",
         "https://github.com/rust-lang/compiler-builtins.git",
-        "0.1.46",
+        "0.1.50",
     );
     apply_patches("compiler-builtins", Path::new("build_sysroot/compiler-builtins"));
 }

rust-toolchain

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2021-08-25"
+channel = "nightly-2021-09-01"
 components = ["rust-src", "rustc-dev", "llvm-tools-preview"]