Bump MSRV to 1.88

.clippy.toml

@@ -1,6 +1,6 @@
 # For general information about this file, check
 # https://doc.rust-lang.org/stable/clippy/configuration.html
 
-msrv = "1.75"
+msrv = "1.88"
 
 absolute-paths-allowed-crates = [ "gimli" ]

.github/workflows/test.yml

@@ -149,7 +149,7 @@ jobs:
         with:
           # Please adjust README, `rust-version` field in Cargo.toml,
           # and `msrv` in .clippy.toml when bumping version.
-          toolchain: 1.75.0
+          toolchain: 1.88.0
       - uses: Swatinem/rust-cache@v2
       - run: cargo build --features="apk,backtrace,bpf,demangle,dwarf,gsym,tracing"
       - run: cargo build --package=blazesym-c

.rustfmt.toml

@@ -1,4 +1,5 @@
 blank_lines_upper_bound = 2
+edition = "2021"
 imports_granularity = "item"
 trailing_semicolon = false
 wrap_comments = true

CHANGELOG.md

@@ -1,3 +1,8 @@
+Unreleased
+----------
+- Bumped minimum supported Rust version to `1.88`
+
+
 0.2.3
 -----
 - Added support for `/usr/lib/debug/.build-id` debug link target

Cargo.toml

@@ -13,7 +13,7 @@ default-members = ["."]
 
 [workspace.package]
 edition = "2021"
-rust-version = "1.75"
+rust-version = "1.88"
 license = "BSD-3-Clause"
 repository = "https://github.com/libbpf/blazesym"
 homepage = "https://github.com/libbpf/blazesym"
@@ -36,10 +36,11 @@ collapsible-if = "allow"
 fn-to-numeric-cast = "allow"
 let-and-return = "allow"
 let-unit-value = "allow"
+# TODO: Remove once we use Rust edition 2024.
+manual-c-str-literals = "allow"
 module-inception = "allow"
 type-complexity = "allow"
 absolute-paths = "warn"
-allow-attributes = "warn"
 clone-on-ref-ptr = "warn"
 dbg-macro = "warn"
 doc-markdown = "warn"

README.md

@@ -2,7 +2,7 @@
 [![coverage](https://codecov.io/gh/libbpf/blazesym/branch/main/graph/badge.svg)](https://codecov.io/gh/libbpf/blazesym)
 [![crates.io](https://img.shields.io/crates/v/blazesym.svg)](https://crates.io/crates/blazesym)
 [![Docs](https://docs.rs/blazesym/badge.svg)](https://docs.rs/blazesym)
-[![rustc](https://img.shields.io/badge/rustc-1.75+-blue.svg)](https://blog.rust-lang.org/2023/12/28/Rust-1.75.0/)
+[![rustc](https://img.shields.io/badge/rustc-1.88+-blue.svg)](https://blog.rust-lang.org/2025/06/26/Rust-1.88.0/)
 
 # blazesym
 

capi/CHANGELOG.md

@@ -1,3 +1,8 @@
+Unreleased
+----------
+- Bumped minimum supported Rust version to `1.88`
+
+
 0.1.7
 -----
 - Bumped maximum supported `blazesym` dependency to `0.2.3`

capi/README.md

@@ -1,6 +1,6 @@
 [![pipeline](https://github.com/libbpf/blazesym/actions/workflows/test.yml/badge.svg?branch=main)](https://github.com/libbpf/blazesym/actions/workflows/test.yml)
 [![crates.io](https://img.shields.io/crates/v/blazesym-c.svg)](https://crates.io/crates/blazesym-c)
-[![rustc](https://img.shields.io/badge/rustc-1.75+-blue.svg)](https://blog.rust-lang.org/2023/12/28/Rust-1.75.0/)
+[![rustc](https://img.shields.io/badge/rustc-1.88+-blue.svg)](https://blog.rust-lang.org/2025/06/26/Rust-1.88.0/)
 
 blazesym-c
 ==========

capi/src/inspect.rs

@@ -69,7 +69,7 @@ impl Default for blaze_inspect_elf_src {
     }
 }
 
-#[cfg_attr(not(test), allow(unused))]
+#[cfg_attr(not(test), expect(unused))]
 impl blaze_inspect_elf_src {
     fn from(other: Elf) -> ManuallyDrop<Self> {
         let Elf {

cli/CHANGELOG.md

@@ -1,3 +1,8 @@
+Unreleased
+----------
+- Bumped minimum supported Rust version to `1.88`
+
+
 0.1.14
 ------
 - Bumped `blazesym` dependency to `0.2.3`

cli/README.md

@@ -1,6 +1,6 @@
 [![pipeline](https://github.com/libbpf/blazesym/actions/workflows/test.yml/badge.svg?branch=main)](https://github.com/libbpf/blazesym/actions/workflows/test.yml)
 [![crates.io](https://img.shields.io/crates/v/blazecli.svg)](https://crates.io/crates/blazecli)
-[![rustc](https://img.shields.io/badge/rustc-1.75+-blue.svg)](https://blog.rust-lang.org/2023/12/28/Rust-1.75.0/)
+[![rustc](https://img.shields.io/badge/rustc-1.88+-blue.svg)](https://blog.rust-lang.org/2025/06/26/Rust-1.88.0/)
 
 blazecli
 ========

dev/build.rs

@@ -199,7 +199,7 @@ fn toolize_impl<'p, S, I>(
         &mut identity as &mut dyn FnMut(Command) -> Command
     };
 
-    #[allow(clippy::redundant_closure_for_method_calls)]
+    #[expect(clippy::redundant_closure_for_method_calls)]
     let () = run(
         tool,
         options

src/elf/mod.rs

@@ -1,7 +1,7 @@
 mod parser;
 #[cfg_attr(not(feature = "dwarf"), allow(unused_variables))]
 mod resolver;
-#[allow(dead_code, non_camel_case_types)]
+#[expect(dead_code, non_camel_case_types)]
 pub(crate) mod types;
 
 // Please adjust the documentation when adjusting directories.

src/elf/parser.rs

@@ -1264,7 +1264,6 @@ where
     }
 
     /// Perform an operation on each symbol.
-    #[allow(clippy::needless_borrows_for_generic_args)]
     pub(crate) fn for_each(&self, opts: &FindAddrOpts, f: &mut ForEachFn) -> Result<()> {
         let cache = self.cache.ensure_symtab_cache()?;
         let symtab = &cache.syms;

src/error.rs

@@ -28,7 +28,7 @@ mod private {
 
     impl Sealed for io::Error {}
     #[cfg(feature = "breakpad")]
-    #[allow(clippy::absolute_paths)]
+    #[expect(clippy::absolute_paths)]
     impl Sealed for (&[u8], nom::Err<nom::error::VerboseError<&[u8]>>) {}
     #[cfg(feature = "dwarf")]
     impl Sealed for gimli::Error {}

src/gsym/resolver.rs

@@ -34,7 +34,7 @@ use super::types::INFO_TYPE_INLINE_INFO;
 use super::types::INFO_TYPE_LINE_TABLE_INFO;
 
 
-#[allow(dead_code)]
+#[expect(dead_code)]
 enum Data<'dat> {
     Mmap(Mmap),
     Slice(&'dat [u8]),

src/lib.rs

@@ -210,7 +210,7 @@ pub mod __private {
 
 #[cfg(feature = "tracing")]
 #[macro_use]
-#[allow(unused_imports)]
+#[expect(unused_imports)]
 mod log {
     pub(crate) use tracing::debug;
     pub(crate) use tracing::error;

src/maps.rs

@@ -436,7 +436,7 @@ mod tests {
     }
 
     /// Check that we can parse `/proc/self/maps`.
-    #[allow(clippy::suspicious_map)]
+    #[expect(clippy::suspicious_map)]
     #[test]
     fn self_map_parsing() {
         let maps = parse(Pid::Slf).unwrap();

src/mmap.rs

@@ -88,7 +88,6 @@ pub struct Mmap {
     view: Range<u64>,
 }
 
-#[allow(rustdoc::private_intra_doc_links)]
 impl Mmap {
     /// Create a [`Builder`] for creating a customizable memory mapping.
     #[doc(hidden)]

src/normalize/ioctl.rs

@@ -21,7 +21,7 @@ use crate::Result;
 // From uapi/linux/fs.h
 const PROCMAP_QUERY: usize = 0xC0686611; // _IOWR(PROCFS_IOCTL_MAGIC, 17, struct procmap_query)
 
-#[allow(non_camel_case_types)]
+#[expect(non_camel_case_types)]
 type procmap_query_flags = c_int;
 
 const PROCMAP_QUERY_VMA_READABLE: procmap_query_flags = 0x01;
@@ -32,7 +32,6 @@ const PROCMAP_QUERY_VMA_SHARED: procmap_query_flags = 0x08;
 const PROCMAP_QUERY_COVERING_OR_NEXT_VMA: procmap_query_flags = 0x10;
 
 
-#[allow(non_camel_case_types)]
 #[repr(C)]
 #[derive(Clone, Default)]
 struct procmap_query {

src/symbolize/symbolizer.rs

@@ -1439,7 +1439,6 @@ impl Default for Symbolizer {
 
 
 #[cfg(test)]
-#[allow(clippy::missing_transmute_annotations)]
 mod tests {
     use super::*;
 

src/test_helper.rs

@@ -31,7 +31,7 @@ use crate::SymType;
 ///
 /// This function returns the symbol information of the function along
 /// with it's absolute address in the memory mapped region.
-#[allow(clippy::missing_transmute_annotations)]
+#[expect(clippy::missing_transmute_annotations)]
 pub fn find_the_answer_fn(mmap: &Mmap) -> (inspect::SymInfo<'static>, Addr) {
     // Look up the address of the `the_answer` function inside of the shared
     // object.

src/util.rs

@@ -331,7 +331,7 @@ pub fn stat(path: &Path) -> io::Result<libc::stat> {
 
 #[cfg(linux)]
 #[cfg(test)]
-#[allow(clippy::absolute_paths)]
+#[expect(clippy::absolute_paths)]
 fn fstat(fd: std::os::unix::io::RawFd) -> io::Result<libc::stat> {
     let mut dst = MaybeUninit::uninit();
     let rc = unsafe { libc::fstat(fd, dst.as_mut_ptr()) };
@@ -373,7 +373,6 @@ where
     None
 }
 
-#[allow(dead_code)]
 pub(crate) fn find_lowest_match_by_key<T, B, F>(slice: &[T], b: &B, mut f: F) -> Option<usize>
 where
     F: FnMut(&T) -> B,