diff --git a/Cargo.toml b/Cargo.toml
index e3912a849..661db2013 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,2 +1,7 @@
 [workspace]
-members = ["jemallocator", "jemallocator-global", "jemalloc-ctl", "jemalloc-sys"]
+members = [
+  "jemallocator",
+  "jemallocator-global",
+  "jemalloc-ctl",
+  "jemalloc-sys",
+]
diff --git a/jemalloc-ctl/Cargo.toml b/jemalloc-ctl/Cargo.toml
index a1e450c58..722ee9a83 100644
--- a/jemalloc-ctl/Cargo.toml
+++ b/jemalloc-ctl/Cargo.toml
@@ -2,13 +2,13 @@
 name = "tikv-jemalloc-ctl"
 version = "0.6.0"
 authors = [
-    "Steven Fackler <sfackler@gmail.com>",
-    "Gonzalo Brito Gadeschi <gonzalobg88@gmail.com>",
-    "The TiKV Project Developers",
+  "Steven Fackler <sfackler@gmail.com>",
+  "Gonzalo Brito Gadeschi <gonzalobg88@gmail.com>",
+  "The TiKV Project Developers",
 ]
 license = "MIT/Apache-2.0"
 readme = "README.md"
-categories = ["memory-management", "api-bindings", "development-tools" ]
+categories = ["memory-management", "api-bindings", "development-tools"]
 keywords = ["allocator", "jemalloc"]
 repository = "https://github.com/tikv/jemallocator"
 homepage = "https://github.com/tikv/jemallocator"
@@ -28,7 +28,7 @@ maintenance = { status = "actively-developed" }
 [dependencies]
 tikv-jemalloc-sys = { path = "../jemalloc-sys", version = "0.6.0" }
 libc = { version = "0.2", default-features = false }
-paste = "1"
+preinterpret = "0.2.0"
 
 [dev-dependencies]
 tikv-jemallocator = { path = "../jemallocator", version = "0.6.0" }
@@ -37,9 +37,9 @@ tikv-jemallocator = { path = "../jemallocator", version = "0.6.0" }
 default = []
 stats = ["tikv-jemalloc-sys/stats"]
 profiling = ["tikv-jemalloc-sys/profiling"]
-use_std = [ "libc/use_std" ]
+use_std = ["libc/use_std"]
 disable_initial_exec_tls = ["tikv-jemalloc-sys/disable_initial_exec_tls"]
 
 [package.metadata.docs.rs]
-rustdoc-args = [ "--cfg", "jemallocator_docs" ]
+rustdoc-args = ["--cfg", "jemallocator_docs"]
 features = ["stats", "profiling", "use_std"]
diff --git a/jemalloc-ctl/rustfmt.toml b/jemalloc-ctl/rustfmt.toml
index b3c83c4e6..a1ffd27ad 100644
--- a/jemalloc-ctl/rustfmt.toml
+++ b/jemalloc-ctl/rustfmt.toml
@@ -1 +1 @@
-max_width = 79
\ No newline at end of file
+max_width = 79
diff --git a/jemalloc-ctl/src/macros.rs b/jemalloc-ctl/src/macros.rs
index 23f48e7f5..302c11318 100644
--- a/jemalloc-ctl/src/macros.rs
+++ b/jemalloc-ctl/src/macros.rs
@@ -5,7 +5,7 @@ macro_rules! types {
      docs: $(#[$doc:meta])*
      mib_docs: $(#[$doc_mib:meta])*
     ) => {
-        paste::paste! {
+        preinterpret::preinterpret! {
             $(#[$doc])*
             #[allow(non_camel_case_types)]
             pub struct $id;
@@ -22,8 +22,8 @@ macro_rules! types {
                 /// Returns Management Information Base (MIB)
                 ///
                 /// This value can be used to access the key without doing string lookup.
-                pub fn mib() -> crate::error::Result<[<$id _mib>]> {
-                    Ok([<$id _mib>](Self::NAME.$name_to_mib()?))
+                pub fn mib() -> crate::error::Result<[!ident! $id _mib]> {
+                    Ok([!ident! $id _mib](Self::NAME.$name_to_mib()?))
                 }
 
                 /// Key [`crate::keys::Name`].
@@ -36,7 +36,7 @@ macro_rules! types {
             #[repr(transparent)]
             #[derive(Copy, Clone)]
             #[allow(non_camel_case_types)]
-            pub struct [<$id _mib>](pub crate::keys::$mib);
+            pub struct [!ident! $id _mib](pub crate::keys::$mib);
         }
     };
 }
@@ -44,7 +44,7 @@ macro_rules! types {
 /// Read
 macro_rules! r {
     ($id:ident => $ret_ty:ty) => {
-        paste::paste! {
+        preinterpret::preinterpret! {
             impl $id {
                 /// Reads value using string API.
                 pub fn read() -> crate::error::Result<$ret_ty> {
@@ -53,7 +53,7 @@ macro_rules! r {
                 }
             }
 
-            impl [<$id _mib>] {
+            impl [!ident! $id _mib] {
                 /// Reads value using MIB API.
                 pub fn read(self) -> crate::error::Result<$ret_ty> {
                     use crate::keys::Access;
@@ -64,7 +64,7 @@ macro_rules! r {
             #[cfg(test)]
             #[test]
             #[allow(unused)]
-            fn [<$id _read_test>]() {
+            fn [!ident! $id _read_test]() {
                 match stringify!($id) {
                     "background_thread" |
                     "max_background_threads"
@@ -92,7 +92,7 @@ macro_rules! r {
 /// Write
 macro_rules! w {
     ($id:ident => $ret_ty:ty) => {
-        paste::paste! {
+        preinterpret::preinterpret! {
             impl $id {
                 /// Writes `value` using string API.
                 pub fn write(value: $ret_ty) -> crate::error::Result<()> {
@@ -101,7 +101,7 @@ macro_rules! w {
                 }
             }
 
-            impl [<$id _mib>] {
+            impl [!ident! $id _mib] {
                 /// Writes `value` using MIB API.
                 pub fn write(self, value: $ret_ty) -> crate::error::Result<()> {
                     use crate::keys::Access;
@@ -111,7 +111,7 @@ macro_rules! w {
 
             #[cfg(test)]
             #[test]
-            fn [<$id _write_test>]() {
+            fn [!ident! $id _write_test]() {
                 match stringify!($id) {
                     "background_thread" |
                     "max_background_threads"
@@ -140,7 +140,7 @@ macro_rules! w {
 /// Update
 macro_rules! u {
     ($id:ident  => $ret_ty:ty) => {
-        paste::paste! {
+        preinterpret::preinterpret! {
             impl $id {
                 /// Updates key to `value` returning its old value using string API.
                 pub fn update(value: $ret_ty) -> crate::error::Result<$ret_ty> {
@@ -149,7 +149,7 @@ macro_rules! u {
                 }
             }
 
-            impl [<$id _mib>] {
+            impl [!ident! $id _mib] {
                 /// Updates key to `value` returning its old value using MIB API.
                 pub fn update(self, value: $ret_ty) -> crate::error::Result<$ret_ty> {
                     use crate::keys::Access;
@@ -160,7 +160,7 @@ macro_rules! u {
             #[cfg(test)]
             #[test]
             #[allow(unused)]
-            fn [<$id _update_test>]() {
+            fn [!ident! $id _update_test]() {
                 match stringify!($id) {
                     "background_thread" |
                     "max_background_threads"
diff --git a/jemalloc-sys/Cargo.toml b/jemalloc-sys/Cargo.toml
index c99204cf3..f6428c4cb 100644
--- a/jemalloc-sys/Cargo.toml
+++ b/jemalloc-sys/Cargo.toml
@@ -2,9 +2,9 @@
 name = "tikv-jemalloc-sys"
 version = "0.6.0+5.3.0-1-ge13ca993e8ccb9ba9847cc330696e02839f328f7"
 authors = [
-    "Alex Crichton <alex@alexcrichton.com>",
-    "Gonzalo Brito Gadeschi <gonzalobg88@gmail.com>",
-    "The TiKV Project Developers",
+  "Alex Crichton <alex@alexcrichton.com>",
+  "Gonzalo Brito Gadeschi <gonzalobg88@gmail.com>",
+  "The TiKV Project Developers",
 ]
 build = "build.rs"
 links = "jemalloc"
@@ -28,8 +28,8 @@ maintenance = { status = "actively-developed" }
 
 [lints.rust]
 unexpected_cfgs = { level = "allow", check-cfg = [
-    'cfg(jemallocator_docs)',
-    'cfg(prefixed)',
+  'cfg(jemallocator_docs)',
+  'cfg(prefixed)',
 ] }
 
 [dependencies]
@@ -43,11 +43,11 @@ default = ["background_threads_runtime_support"]
 profiling = []
 debug = []
 background_threads_runtime_support = []
-background_threads = [ "background_threads_runtime_support" ]
+background_threads = ["background_threads_runtime_support"]
 stats = []
 unprefixed_malloc_on_supported_platforms = []
 disable_initial_exec_tls = []
 disable_cache_oblivious = []
 
 [package.metadata.docs.rs]
-rustdoc-args = [ "--cfg",  "jemallocator_docs" ]
+rustdoc-args = ["--cfg", "jemallocator_docs"]
diff --git a/jemallocator-global/Cargo.toml b/jemallocator-global/Cargo.toml
index 492f1f8fc..f44b63293 100644
--- a/jemallocator-global/Cargo.toml
+++ b/jemallocator-global/Cargo.toml
@@ -3,8 +3,8 @@ name = "tikv-jemallocator-global"
 # Make sure to update the version in the readme as well:
 version = "0.6.0"
 authors = [
-    "Gonzalo Brito Gadeschi <gonzalobg88@gmail.com>",
-    "The TiKV Project Developers",
+  "Gonzalo Brito Gadeschi <gonzalobg88@gmail.com>",
+  "The TiKV Project Developers",
 ]
 edition = "2018"
 license = "MIT/Apache-2.0"
@@ -32,7 +32,7 @@ cfg-if = "0.1"
 [features]
 default = []
 # Unconditionally sets jemalloc as the global allocator:
-force_global_jemalloc = [ "tikv-jemallocator" ]
+force_global_jemalloc = ["tikv-jemallocator"]
 
 # To enable `jemalloc` as the `#[global_allocator]` by default
 # for a particular target, white-list the target explicitly here:
@@ -51,4 +51,3 @@ tikv-jemallocator = { version = "0.6.0", path = "../jemallocator", optional = fa
 # - fuchsia
 # - emscripten
 # - wasm32
-
diff --git a/jemallocator/Cargo.toml b/jemallocator/Cargo.toml
index bee366359..84c8652a0 100644
--- a/jemallocator/Cargo.toml
+++ b/jemallocator/Cargo.toml
@@ -3,11 +3,11 @@ name = "tikv-jemallocator"
 # Make sure to update the version in the README as well:
 version = "0.6.0"
 authors = [
-    "Alex Crichton <alex@alexcrichton.com>",
-    "Gonzalo Brito Gadeschi <gonzalobg88@gmail.com>",
-    "Simon Sapin <simon.sapin@exyr.org>",
-    "Steven Fackler <sfackler@gmail.com>",
-    "The TiKV Project Developers",
+  "Alex Crichton <alex@alexcrichton.com>",
+  "Gonzalo Brito Gadeschi <gonzalobg88@gmail.com>",
+  "Simon Sapin <simon.sapin@exyr.org>",
+  "Steven Fackler <sfackler@gmail.com>",
+  "The TiKV Project Developers",
 ]
 license = "MIT/Apache-2.0"
 readme = "README.md"
@@ -41,7 +41,7 @@ tikv-jemalloc-sys = { path = "../jemalloc-sys", version = "0.6.0", default-featu
 libc = { version = "^0.2.8", default-features = false }
 
 [dev-dependencies]
-paste = "1"
+preinterpret = "0.2.0"
 tikv-jemalloc-ctl = { path = "../jemalloc-ctl", version = "0.6.0" }
 
 [features]
@@ -50,12 +50,16 @@ alloc_trait = []
 profiling = ["tikv-jemalloc-sys/profiling"]
 debug = ["tikv-jemalloc-sys/debug"]
 stats = ["tikv-jemalloc-sys/stats"]
-background_threads_runtime_support = ["tikv-jemalloc-sys/background_threads_runtime_support"]
+background_threads_runtime_support = [
+  "tikv-jemalloc-sys/background_threads_runtime_support",
+]
 background_threads = ["tikv-jemalloc-sys/background_threads"]
-unprefixed_malloc_on_supported_platforms = ["tikv-jemalloc-sys/unprefixed_malloc_on_supported_platforms"]
+unprefixed_malloc_on_supported_platforms = [
+  "tikv-jemalloc-sys/unprefixed_malloc_on_supported_platforms",
+]
 disable_initial_exec_tls = ["tikv-jemalloc-sys/disable_initial_exec_tls"]
 disable_cache_oblivious = ["tikv-jemalloc-sys/disable_cache_oblivious"]
 
 [package.metadata.docs.rs]
 features = []
-rustdoc-args = [ "--cfg", "jemallocator_docs" ]
+rustdoc-args = ["--cfg", "jemallocator_docs"]
diff --git a/jemallocator/benches/roundtrip.rs b/jemallocator/benches/roundtrip.rs
index 6234a124e..5c277946b 100644
--- a/jemallocator/benches/roundtrip.rs
+++ b/jemallocator/benches/roundtrip.rs
@@ -43,9 +43,9 @@ fn layout_to_flags(layout: &Layout) -> c_int {
 
 macro_rules! rt {
     ($size:expr, $align:expr) => {
-        paste::paste! {
+        preinterpret::preinterpret! {
             #[bench]
-            fn [<rt_mallocx_size_ $size _align_ $align>](b: &mut Bencher) {
+            fn [!ident! rt_mallocx_size_ $size _align_ $align](b: &mut Bencher) {
                 b.iter(|| unsafe {
                     use jemalloc_sys as jemalloc;
                     let flags = layout_to_flags(&Layout::from_size_align($size, $align).unwrap());
@@ -56,7 +56,7 @@ macro_rules! rt {
             }
 
             #[bench]
-            fn [<rt_mallocx_nallocx_size_ $size _align_ $align>](b: &mut Bencher) {
+            fn [!ident! rt_mallocx_nallocx_size_ $size _align_ $align](b: &mut Bencher) {
                 b.iter(|| unsafe {
                     use jemalloc_sys as jemalloc;
                     let flags = layout_to_flags(&Layout::from_size_align($size, $align).unwrap());
@@ -69,7 +69,7 @@ macro_rules! rt {
             }
 
             #[bench]
-            fn [<rt_alloc_layout_checked_size_ $size _align_ $align>](b: &mut Bencher) {
+            fn [!ident! rt_alloc_layout_checked_size_ $size _align_ $align](b: &mut Bencher) {
                 b.iter(|| unsafe {
                     let layout = Layout::from_size_align($size, $align).unwrap();
                     let ptr = Jemalloc.alloc(layout.clone()).unwrap();
@@ -79,7 +79,7 @@ macro_rules! rt {
             }
 
             #[bench]
-            fn [<rt_alloc_layout_unchecked_size_ $size _align_ $align>](b: &mut Bencher) {
+            fn [!ident! rt_alloc_layout_unchecked_size_ $size _align_ $align](b: &mut Bencher) {
                 b.iter(|| unsafe {
                     let layout = Layout::from_size_align_unchecked($size, $align);
                     let ptr = Jemalloc.alloc(layout.clone()).unwrap();
@@ -89,7 +89,7 @@ macro_rules! rt {
             }
 
             #[bench]
-            fn [<rt_alloc_excess_unused_size_ $size _align_ $align>](b: &mut Bencher) {
+            fn [!ident! rt_alloc_excess_unused_size_ $size _align_ $align](b: &mut Bencher) {
                 b.iter(|| unsafe {
                     let layout = Layout::from_size_align($size, $align).unwrap();
                     let Excess(ptr, _) = Jemalloc.alloc_excess(layout.clone()).unwrap();
@@ -99,7 +99,7 @@ macro_rules! rt {
             }
 
             #[bench]
-            fn [<rt_alloc_excess_used_size_ $size _align_ $align>](b: &mut Bencher) {
+            fn [!ident! rt_alloc_excess_used_size_ $size _align_ $align](b: &mut Bencher) {
                 b.iter(|| unsafe {
                     let layout = Layout::from_size_align($size, $align).unwrap();
                     let Excess(ptr, excess) = Jemalloc.alloc_excess(layout.clone()).unwrap();
@@ -110,7 +110,7 @@ macro_rules! rt {
             }
 
             #[bench]
-            fn [<rt_mallocx_zeroed_size_ $size _align_ $align>](b: &mut Bencher) {
+            fn [!ident! rt_mallocx_zeroed_size_ $size _align_ $align](b: &mut Bencher) {
                 b.iter(|| unsafe {
                     use jemalloc_sys as jemalloc;
                     let flags = layout_to_flags(&Layout::from_size_align($size, $align).unwrap());
@@ -121,7 +121,7 @@ macro_rules! rt {
             }
 
             #[bench]
-            fn [<rt_calloc_size_ $size _align_ $align>](b: &mut Bencher) {
+            fn [!ident! rt_calloc_size_ $size _align_ $align](b: &mut Bencher) {
                 b.iter(|| unsafe {
                     use jemalloc_sys as jemalloc;
                     let flags = layout_to_flags(&Layout::from_size_align($size, $align).unwrap());
@@ -133,7 +133,7 @@ macro_rules! rt {
             }
 
             #[bench]
-            fn [<rt_realloc_naive_size_ $size _align_ $align>](b: &mut Bencher) {
+            fn [!ident! rt_realloc_naive_size_ $size _align_ $align](b: &mut Bencher) {
                 b.iter(|| unsafe {
                     let layout = Layout::from_size_align($size, $align).unwrap();
                     let ptr = Jemalloc.alloc(layout.clone()).unwrap();
@@ -154,7 +154,7 @@ macro_rules! rt {
             }
 
             #[bench]
-            fn [<rt_realloc_size_ $size _align_ $align>](b: &mut Bencher) {
+            fn [!ident! rt_realloc_size_ $size _align_ $align](b: &mut Bencher) {
                 b.iter(|| unsafe {
                     let layout = Layout::from_size_align($size, $align).unwrap();
                     let ptr = Jemalloc.alloc(layout.clone()).unwrap();
@@ -169,7 +169,7 @@ macro_rules! rt {
             }
 
             #[bench]
-            fn [<rt_realloc_excess_unused_size_ $size _align_ $align>](b: &mut Bencher) {
+            fn [!ident! rt_realloc_excess_unused_size_ $size _align_ $align](b: &mut Bencher) {
                 b.iter(|| unsafe {
                     let layout = Layout::from_size_align($size, $align).unwrap();
                     let ptr = Jemalloc.alloc(layout.clone()).unwrap();
@@ -186,7 +186,7 @@ macro_rules! rt {
             }
 
             #[bench]
-            fn [<rt_realloc_excess_used_size_ $size _align_ $align>](b: &mut Bencher) {
+            fn [!ident! rt_realloc_excess_used_size_ $size _align_ $align](b: &mut Bencher) {
                 b.iter(|| unsafe {
                     let layout = Layout::from_size_align($size, $align).unwrap();
                     let ptr = Jemalloc.alloc(layout.clone()).unwrap();