Fix some build bots

Author: gnzlbg

crates/std_detect/src/detect/os/aarch64.rs

@@ -16,8 +16,7 @@
 //! - [Zircon implementation](https://fuchsia.googlesource.com/zircon/+/master/kernel/arch/arm64/feature.cpp)
 //! - [Linux documentation](https://www.kernel.org/doc/Documentation/arm64/cpu-feature-registers.txt)
 
-use arch::detect::Feature;
-use arch::detect::cache;
+use crate::detect::{Feature, cache};
 
 /// Try to read the features from the system registers.
 ///

crates/std_detect/src/detect/os/freebsd/aarch64.rs

@@ -1,7 +1,6 @@
 //! Run-time feature detection for Aarch64 on FreeBSD.
 
-use arch::detect::Feature;
-use arch::detect::cache;
+use crate::detect::{Feature, cache};
 use super::super::aarch64::detect_features;
 
 /// Performs run-time feature detection.

crates/std_detect/src/detect/os/linux/aarch64.rs

@@ -1,10 +1,7 @@
 //! Run-time feature detection for Aarch64 on Linux.
 
-use arch::detect::Feature;
-use arch::detect::cache;
-use arch::detect::bit;
-use super::auxvec;
-use super::cpuinfo;
+use crate::detect::{Feature, cache, bit};
+use super::{auxvec, cpuinfo};
 
 /// Performs run-time feature detection.
 #[inline]

crates/std_detect/src/detect/os/linux/arm.rs

@@ -1,10 +1,7 @@
 //! Run-time feature detection for ARM on Linux.
 
-use arch::detect::Feature;
-use arch::detect::cache;
-use arch::detect::bit;
-use super::auxvec;
-use super::cpuinfo;
+use crate::detect::{Feature, cache, bit};
+use super::{auxvec, cpuinfo};
 
 /// Performs run-time feature detection.
 #[inline]

crates/std_detect/src/detect/os/linux/auxvec.rs

@@ -1,10 +1,10 @@
 //! Parses ELF auxiliary vectors.
 #![cfg_attr(not(target_arch = "aarch64"), allow(dead_code))]
 
-use mem;
-use prelude::v1::*;
-use fs::File;
-use io::Read;
+extern crate std;
+use self::std::{prelude::v1::*, fs::File, io::Read};
+
+use core::mem;
 
 /// Key to access the CPU Hardware capabilities bitfield.
 pub(crate) const AT_HWCAP: usize = 16;

crates/std_detect/src/detect/os/linux/cpuinfo.rs

@@ -1,9 +1,8 @@
 //! Parses /proc/cpuinfo
 #![cfg_attr(not(target_arch = "arm"), allow(dead_code))]
 
-use prelude::v1::*;
-use fs::File;
-use io::{self, Read};
+extern crate std;
+use self::std::{prelude::v1::*, fs::File, io, io::Read};
 
 /// cpuinfo
 pub(crate) struct CpuInfo {

crates/std_detect/src/detect/os/linux/mips.rs

@@ -1,8 +1,6 @@
 //! Run-time feature detection for MIPS on Linux.
 
-use arch::detect::Feature;
-use arch::detect::cache;
-use arch::detect::bit;
+use crate::detect::{Feature, cache, bit};
 use super::auxvec;
 
 /// Performs run-time feature detection.

crates/std_detect/src/detect/os/linux/powerpc.rs

@@ -1,9 +1,7 @@
 //! Run-time feature detection for PowerPC on Linux.
 
-use arch::detect::Feature;
-use arch::detect::cache;
-use super::auxvec;
-use super::cpuinfo;
+use crate::detect::{Feature, cache};
+use super::{auxvec, cpuinfo};
 
 /// Performs run-time feature detection.
 #[inline]

crates/std_detect/src/detect/os/other.rs

@@ -1,6 +1,6 @@
 //! Other operating systems
 
-use arch::detect::Feature;
+use crate::detect::Feature;
 
 /// Performs run-time feature detection.
 #[inline]

crates/std_detect/src/detect/os/x86.rs

@@ -1,13 +1,12 @@
 //! x86 run-time feature detection is OS independent.
 
-use core::prelude::v1::*;
-use core::mem;
+use core::{prelude::v1::*, mem};
 #[cfg(target_arch = "x86")]
 use core::arch::x86::*;
 #[cfg(target_arch = "x86_64")]
 use core::arch::x86_64::*;
 
-use detect::{Feature, cache, bit};
+use crate::detect::{Feature, cache, bit};
 
 /// Performs run-time feature detection.
 #[inline]