chore: bump rust version, update goblin, satisfy Clippy

Signed-off-by: Richard Zak <[email protected]>

Cargo.toml

@@ -3,7 +3,7 @@ name = "vdso"
 version = "0.2.2"
 authors = ["Nathaniel McCallum <[email protected]>"]
 edition = "2021"
-rust-version = "1.56"
+rust-version = "1.65"
 license = "Apache-2.0"
 homepage = "https://github.com/enarx/vdso"
 repository = "https://github.com/enarx/vdso"
@@ -28,4 +28,4 @@ libc = "0.2.67"
 
 [dependencies]
 crt0stack = "0.1"
-goblin = "0.6.0"
+goblin = "0.8.0"

rust-toolchain.toml

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.56"
+channel = "1.65"
 profile = "minimal"

src/lib.rs

@@ -11,6 +11,7 @@ use std::os::raw::c_char;
 use std::slice::from_raw_parts;
 
 #[cfg(target_pointer_width = "64")]
+#[allow(unused_imports)]
 mod elf {
     pub use goblin::elf64::dynamic::*;
     pub use goblin::elf64::header::*;
@@ -23,6 +24,7 @@ mod elf {
 }
 
 #[cfg(target_pointer_width = "32")]
+#[allow(unused_imports)]
 mod elf {
     pub use goblin::elf32::dynamic::*;
     pub use goblin::elf32::header::*;
@@ -82,15 +84,15 @@ impl Header {
         let symstrtab: &[c_char] = self.section(elf::SHT_STRTAB)?;
         let symtab: &[elf::Sym] = self.section(elf::SHT_DYNSYM)?;
 
-        // Yes, we could spead up the lookup by checking against the hash
+        // Yes, we could speed up the lookup by checking against the hash
         // table. But the reality is that there is less than a dozen symbols
         // in the vDSO, so the gains are trivial.
 
         for sym in symtab {
             let cstr = CStr::from_ptr(&symstrtab[sym.st_name as usize]);
             if let Ok(s) = cstr.to_str() {
                 if s == name {
-                    let addr = self.ptr(sym.st_value) as *const Symbol;
+                    let addr = self.ptr(sym.st_value);
                     return Some(&*addr);
                 }
             }