rust: 1.52.1 -> 1.53.0

4 files changed, 94 insertions, 33 deletions

diff --git a/rust/.footprint b/rust/.footprint
index fa1b99c16..458e61693 100644
--- a/rust/.footprint
+++ b/rust/.footprint
@@ -231,6 +231,12 @@ drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/backtrace/src/symbolize/
 drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/backtrace/src/symbolize/gimli/
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/backtrace/src/symbolize/gimli/coff.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/backtrace/src/symbolize/gimli/elf.rs
+-rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/backtrace/src/symbolize/gimli/libs_dl_iterate_phdr.rs
+-rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/backtrace/src/symbolize/gimli/libs_haiku.rs
+-rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/backtrace/src/symbolize/gimli/libs_illumos.rs
+-rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/backtrace/src/symbolize/gimli/libs_libnx.rs
+-rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/backtrace/src/symbolize/gimli/libs_macos.rs
+-rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/backtrace/src/symbolize/gimli/libs_windows.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/backtrace/src/symbolize/gimli/macho.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/backtrace/src/symbolize/gimli/mmap_fake.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/backtrace/src/symbolize/gimli/mmap_unix.rs
@@ -428,6 +434,7 @@ drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/core/src/ops/
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/core/src/ops/mod.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/core/src/ops/range.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/core/src/ops/try.rs
+-rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/core/src/ops/try_trait.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/core/src/ops/unsize.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/core/src/option.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/core/src/panic.rs
@@ -566,6 +573,7 @@ drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/core/tests/num/flt2dec/str
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/core/tests/num/i32.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/core/tests/num/i64.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/core/tests/num/i8.rs
+-rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/core/tests/num/ieee754.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/core/tests/num/int_macros.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/core/tests/num/mod.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/core/tests/num/nan.rs
@@ -595,6 +603,7 @@ drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/core/tests/ops/
 drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/panic_abort/
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/panic_abort/Cargo.toml
 drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/panic_abort/src/
+-rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/panic_abort/src/android.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/panic_abort/src/lib.rs
 drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/panic_unwind/
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/panic_unwind/Cargo.toml
@@ -878,14 +887,17 @@ drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sync/mutex/
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sync/once.rs
 drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sync/once/
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sync/once/tests.rs
+-rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sync/poison.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sync/rwlock.rs
 drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sync/rwlock/
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sync/rwlock/tests.rs
 drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/
+drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/common/
+-rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/common/alloc.rs
+-rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/common/mod.rs
 drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/alloc.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/args.rs
--rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/cmath.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/condvar.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/env.rs
 drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/ext/
@@ -893,19 +905,15 @@ drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/ext/
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/ext/mod.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/fd.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/fs.rs
--rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/io.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/memchr.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/mod.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/mutex.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/net.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/os.rs
--rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/path.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/rwlock.rs
--rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/stack_overflow.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/stdio.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/thread.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/thread_local_dtor.rs
--rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/thread_local_key.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/hermit/time.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/mod.rs
 drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/sgx/
@@ -927,7 +935,6 @@ drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/sgx/abi/userca
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/sgx/abi/usercalls/raw.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/sgx/alloc.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/sgx/args.rs
--rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/sgx/cmath.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/sgx/condvar.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/sgx/env.rs
 drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/sgx/ext/
@@ -945,7 +952,6 @@ drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/sgx/ext/
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/sgx/rwlock.rs
 drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/sgx/rwlock/
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/sgx/rwlock/tests.rs
--rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/sgx/stack_overflow.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/sgx/stdio.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/sgx/thread.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/sgx/thread_local_key.rs
@@ -1014,6 +1020,7 @@ drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unix/process/p
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unix/process/process_unix.rs
 drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unix/process/process_unix/
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unix/process/process_unix/tests.rs
+-rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unix/process/process_vxworks.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unix/process/zircon.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unix/rand.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unix/rwlock.rs
@@ -1027,7 +1034,6 @@ drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unix/process/p
 drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unsupported/
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unsupported/alloc.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unsupported/args.rs
--rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unsupported/cmath.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unsupported/common.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unsupported/condvar.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unsupported/env.rs
@@ -1040,20 +1046,11 @@ drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unsupported/
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unsupported/pipe.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unsupported/process.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unsupported/rwlock.rs
--rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unsupported/stack_overflow.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unsupported/stdio.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unsupported/thread.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unsupported/thread_local_dtor.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unsupported/thread_local_key.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/unsupported/time.rs
-drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/vxworks/
--rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/vxworks/env.rs
--rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/vxworks/mod.rs
-drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/vxworks/process/
--rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/vxworks/process/mod.rs
--rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/vxworks/process/process_vxworks.rs
--rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/vxworks/rand.rs
--rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/vxworks/thread_local_dtor.rs
 drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/wasi/
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/wasi/args.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/wasi/env.rs
@@ -1083,6 +1080,8 @@ drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/wasm/
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/wasm/thread.rs
 drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/windows/
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/windows/alloc.rs
+drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/windows/alloc/
+-rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/windows/alloc/tests.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/windows/args.rs
 drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/windows/args/
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/windows/args/tests.rs
@@ -1129,8 +1128,6 @@ drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/windows/proces
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/windows/thread_parker.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys/windows/time.rs
 drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys_common/
--rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys_common/alloc.rs
--rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys_common/at_exit_imp.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys_common/backtrace.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys_common/bytestring.rs
 drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys_common/bytestring/
@@ -1146,11 +1143,11 @@ drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys_common/condvar
 drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys_common/net/
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys_common/net/tests.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys_common/os_str_bytes.rs
--rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys_common/poison.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys_common/process.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys_common/remutex.rs
 drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/std/src/sys_common/remutex/
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys_common/remutex/tests.rs
+-rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys_common/rt.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys_common/rwlock.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys_common/tests.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/std/src/sys_common/thread.rs
@@ -1256,6 +1253,7 @@ drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/README.md
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/avx512bw.md
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/avx512f.md
+-rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/avx512vbmi2.md
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/build.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/rustfmt.toml
 drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/src/
@@ -1332,6 +1330,7 @@ drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/s
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/src/x86/aes.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/src/x86/avx.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/src/x86/avx2.rs
+-rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/src/x86/avx512bf16.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/src/x86/avx512bitalg.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/src/x86/avx512bw.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/src/x86/avx512cd.rs
@@ -1339,6 +1338,9 @@ drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/s
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/src/x86/avx512gfni.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/src/x86/avx512ifma.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/src/x86/avx512vaes.rs
+-rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/src/x86/avx512vbmi.rs
+-rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/src/x86/avx512vbmi2.rs
+-rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/src/x86/avx512vnni.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/src/x86/avx512vpclmulqdq.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/src/x86/avx512vpopcntdq.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/src/x86/bmi1.rs
@@ -1379,6 +1381,7 @@ drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/s
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/src/x86_64/bt.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/src/x86_64/cmpxchg16b.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/src/x86_64/fxsr.rs
+-rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/src/x86_64/macros.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/src/x86_64/mod.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/src/x86_64/rdrand.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/core_arch/src/x86_64/sse.rs
@@ -1437,7 +1440,6 @@ drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/std_detect/
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/std_detect/src/detect/test_data/linux-x64-i7-6850k.auxv
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/std_detect/src/detect/test_data/macos-virtualbox-linux-x86-4850HQ.auxv
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/std_detect/src/lib.rs
--rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/std_detect/src/mod.rs
 drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/std_detect/tests/
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/std_detect/tests/cpu-detection.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/std_detect/tests/macro_trailing_commas.rs
@@ -1468,6 +1470,7 @@ drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/stdarch-ver
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/crates/stdarch-verify/x86-intel.xml
 drwxr-xr-x	root/root	usr/lib/rustlib/src/rust/library/stdarch/examples/
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/examples/Cargo.toml
+-rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/examples/connect5.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/examples/hex.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/examples/wasm.rs
 -rw-r--r--	root/root	usr/lib/rustlib/src/rust/library/stdarch/triagebot.toml
diff --git a/rust/.signature b/rust/.signature
index c91fd858d..92f2378c5 100644
--- a/rust/.signature
+++ b/rust/.signature
@@ -1,9 +1,10 @@
 untrusted comment: verify with /etc/ports/opt.pub
-RWSE3ohX2g5d/Xzd35nF0rD/0RP187e8NK+8R8QCvkwf9t1v3eU6kZjdYjcsRPSKXgG+2WQaBbROmEFC/BR1n7tkt/u4ohG+IQ4=
-SHA256 (Pkgfile) = 4a7ea574e4854cc94134bdb31d1d65435957f275e215539f4af7dd73416cb39b
-SHA256 (.footprint) = dfcdcabb62f1272ade84727f6aff3f54324d4e176dbd0833b57373168f7b561a
-SHA256 (rustc-1.52.1-src.tar.xz) = 521bbaebce262264e44acb164d327cba27acf6f08bd7de672d8d1e16e7ed959e
-SHA256 (rust-std-1.51.0-x86_64-unknown-linux-gnu.tar.xz) = 1199ba8351bb88166050c0fb15a55a23b20b6ead098d7637aaca53b91c5e68ca
-SHA256 (rustc-1.51.0-x86_64-unknown-linux-gnu.tar.xz) = feef13f6cd5072f30e2c121b7775d7ac5316998fcf03b68b2537684f3a7fe24a
-SHA256 (cargo-1.51.0-x86_64-unknown-linux-gnu.tar.xz) = 2c557e448c145ed773baae0d6533449947bb130f8f8a2a0876d08f55b74a313f
+RWSE3ohX2g5d/Qs9rCUE6aAzTtwtzgaFmCxhFzpYh2n9pO9mtXli0pkEuSTjsH93jAeI+PqfYXJJIIWrQP4BCxgwJ9/o2jecxQM=
+SHA256 (Pkgfile) = db3ae4f33630220aaec23ab0f3fe1c2fef4bbdae9d8e9ed1b18d2cb29c79b5c3
+SHA256 (.footprint) = 0bfea3e1f330a808d5803ff73ef1e9c116836af1bab245a20c6d3be37b342f9b
+SHA256 (rustc-1.53.0-src.tar.xz) = e53a2df2c2c26f8929d551852eeae242b9a6167fba34481f92010b30def32dec
+SHA256 (rust-std-1.52.0-x86_64-unknown-linux-gnu.tar.xz) = dcdc0083facd6484527494ee5b8f72e040a095ab346bb658ce176be573d5c9b4
+SHA256 (rustc-1.52.0-x86_64-unknown-linux-gnu.tar.xz) = a5ce7d951dbebd815530c3c571c193c24ae4b83bc1bf431845c0dbfbe1280476
+SHA256 (cargo-1.52.0-x86_64-unknown-linux-gnu.tar.xz) = d0931a1e728afdfbe3390a2ff3a5256d1668402298a3a6c050ac65ad01c4db2b
 SHA256 (libexec.patch) = 9ba3070dbc877ab5e045b6a20be9134f80d8aece42766b4cfbad2a4a60c27514
+SHA256 (1.53.0-miri-vergen.patch) = 309835d35a77eab776b5e1262f7389e71b64cf0712cad64ae78ed6c0208b19a2
diff --git a/rust/1.53.0-miri-vergen.patch b/rust/1.53.0-miri-vergen.patch
new file mode 100644
index 000000000..347f147c9
--- /dev/null
+++ b/rust/1.53.0-miri-vergen.patch
@@ -0,0 +1,53 @@
+From 64f128c45687d18d64fc6856a30fde585b007e00 Mon Sep 17 00:00:00 2001
+From: Ralf Jung <post@ralfj.de>
+Date: Sat, 15 May 2021 14:17:30 +0200
+Subject: [PATCH] support building Miri outside a git repo
+
+---
+ cargo-miri/bin.rs   | 14 ++++++++------
+ cargo-miri/build.rs |  2 +-
+ 2 files changed, 9 insertions(+), 7 deletions(-)
+
+diff --git a/cargo-miri/bin.rs b/cargo-miri/bin.rs
+index e29bdc771..84447b3a1 100644
+--- a/src/tools/miri/cargo-miri/bin.rs
++++ b/src/tools/miri/cargo-miri/bin.rs
+@@ -6,6 +6,7 @@ use std::io::{self, BufRead, BufReader, BufWriter, Read, Write};
+ use std::ops::Not;
+ use std::path::{Path, PathBuf};
+ use std::process::Command;
++use std::fmt::{Write as _};
+ 
+ use serde::{Deserialize, Serialize};
+ 
+@@ -90,12 +91,13 @@ fn show_help() {
+ }
+ 
+ fn show_version() {
+-    println!(
+-        "miri {} ({} {})",
+-        env!("CARGO_PKG_VERSION"),
+-        env!("VERGEN_GIT_SHA_SHORT"),
+-        env!("VERGEN_GIT_COMMIT_DATE")
+-    );
++    let mut version = format!("miri {}", env!("CARGO_PKG_VERSION"));
++    // Only use `option_env` on vergen variables to ensure the build succeeds
++    // when vergen failed to find the git info.
++    if let Some(sha) = option_env!("VERGEN_GIT_SHA_SHORT") {
++        write!(&mut version, " ({} {})", sha, option_env!("VERGEN_GIT_COMMIT_DATE").unwrap()).unwrap();
++    }
++    println!("{}", version);
+ }
+ 
+ fn show_error(msg: String) -> ! {
+diff --git a/cargo-miri/build.rs b/cargo-miri/build.rs
+index cff135fe4..ebd8e7003 100644
+--- a/src/tools/miri/cargo-miri/build.rs
++++ b/src/tools/miri/cargo-miri/build.rs
+@@ -7,5 +7,5 @@ fn main() {
+     let mut gen_config = vergen::Config::default();
+     *gen_config.git_mut().sha_kind_mut() = vergen::ShaKind::Short;
+     *gen_config.git_mut().commit_timestamp_kind_mut() = vergen::TimestampKind::DateOnly;
+-    vergen(gen_config).expect("Unable to generate vergen keys!");
++    vergen(gen_config).ok(); // Ignore failure (in case we are built outside a git repo)
+ }
diff --git a/rust/Pkgfile b/rust/Pkgfile
index ab2a04af3..081a5db0f 100644
--- a/rust/Pkgfile
+++ b/rust/Pkgfile
@@ -5,16 +5,17 @@
 # Optional: sccache ccache
 
 name=rust
-version=1.52.1
-_date=2021-03-25
-_rustc=1.51.0
+version=1.53.0
+_date=2021-05-06
+_rustc=1.52.0
 _cargo=$_rustc
 release=1
 source=(https://static.rust-lang.org/dist/${name}c-$version-src.tar.xz
 	https://static.rust-lang.org/dist/$_date/rust-std-$_rustc-x86_64-unknown-linux-gnu.tar.xz
 	https://static.rust-lang.org/dist/$_date/rustc-$_rustc-x86_64-unknown-linux-gnu.tar.xz
 	https://static.rust-lang.org/dist/$_date/cargo-$_cargo-x86_64-unknown-linux-gnu.tar.xz
-	libexec.patch)
+	libexec.patch
+	1.53.0-miri-vergen.patch)
 
 unpack_source() {
 	for file in ${source[@]}; do
@@ -38,6 +39,9 @@ build() {
 	# Patch cargo so credential helpers are in /usr/lib instead of /usr/libexec
 	patch -p1 -i $SRC/libexec.patch
 
+	# https://github.com/rust-lang/rust/issues/84182
+	patch -p1 -i $SRC/1.53.0-miri-vergen.patch
+
 	local ERROR
 	local DATE="$(awk '/^date: / { print $2 }' src/stage0.txt)"
 	local RUSTC="$(awk '/^rustc: / { print $2 }' src/stage0.txt)"
@@ -110,7 +114,7 @@ EOF
                 export SCCACHE_IDLE_TIMEOUT='1500'
         fi
 
-	export RUST_BACKTRACE=1
+	export RUST_BACKTRACE=full
 	/usr/bin/python3 ./x.py build --config="${SRC}"/config.toml -j ${JOBS-1}
 	DESTDIR=$PKG /usr/bin/python3 ./x.py --config="${SRC}"/config.toml install