Bump msrv to 1.81

CI is breaking because of dev dependencies with newer rust version
requirement. 1.66 is pretty old now too.

.github/workflows/ci.yml

@@ -43,7 +43,7 @@ jobs:
       - name: Install Rust
         if: steps.rust-cache.outputs.cache-hit != 'true'
         run: |
-            rustup default 1.66
+            rustup default 1.81
             rustup component add rustfmt
             rustup component add clippy
 

Cargo.toml

@@ -7,7 +7,7 @@ readme = "README.md"
 license = "MIT OR Apache-2.0"
 version = "2.2.0"
 edition = "2021"
-rust-version = "1.66"
+rust-version = "1.81"
 authors = ["Christopher Berner <[email protected]>"]
 exclude = ["fuzz/"]
 

benches/int_benchmark.rs

@@ -1,3 +1,5 @@
+#![allow(dead_code)]
+
 use std::env::current_dir;
 use std::fs;
 use tempfile::{NamedTempFile, TempDir};

benches/large_values_benchmark.rs

@@ -1,3 +1,5 @@
+#![allow(dead_code)]
+
 use std::env::current_dir;
 use tempfile::{NamedTempFile, TempDir};
 

benches/syscall_benchmark.rs

@@ -119,6 +119,7 @@ fn uring_bench(path: &Path) {
     let mut file = OpenOptions::new()
         .read(true)
         .write(true)
+        .truncate(true)
         .create(true)
         .open(path)
         .unwrap();
@@ -206,6 +207,7 @@ fn readwrite_bench(path: &Path) {
     let mut file = OpenOptions::new()
         .read(true)
         .write(true)
+        .truncate(true)
         .create(true)
         .open(path)
         .unwrap();
@@ -268,6 +270,7 @@ fn mmap_bench(path: &Path) {
     let file = OpenOptions::new()
         .read(true)
         .write(true)
+        .truncate(true)
         .create(true)
         .open(path)
         .unwrap();

benches/userspace_cache_benchmark.rs

@@ -111,6 +111,7 @@ mod unix {
             let file = OpenOptions::new()
                 .read(true)
                 .write(true)
+                .truncate(true)
                 .create(true)
                 .open(path)
                 .unwrap();
@@ -350,6 +351,7 @@ mod unix {
         let file = OpenOptions::new()
             .read(true)
             .write(true)
+            .truncate(true)
             .create(true)
             .open(path)
             .unwrap();

examples/special_values.rs

@@ -19,6 +19,7 @@ impl SpecialValuesDb {
             database: Database::create("index.redb").unwrap(),
             file: OpenOptions::new()
                 .write(true)
+                .truncate(true)
                 .create(true)
                 .read(true)
                 .open("values.dat")

rust-toolchain

@@ -1 +1 @@
-1.66
+1.81

src/transactions.rs

@@ -181,6 +181,7 @@ pub enum Durability {
     /// 2. can introduce crashes during fsync(),
     /// 3. has knowledge of the database file contents, and
     /// 4. can include arbitrary data in a write transaction
+    ///
     /// could cause a transaction to partially commit (some but not all of the data is written).
     /// This is described in the design doc in futher detail.
     ///

src/tree_store/page_store/header.rs

@@ -654,7 +654,10 @@ mod test {
         // IETF Memo "Care and Feeding of Magic Numbers"
 
         // Test that magic number is not valid utf-8
-        assert!(std::str::from_utf8(&MAGICNUMBER).is_err());
+        #[allow(invalid_from_utf8)]
+        {
+            assert!(std::str::from_utf8(&MAGICNUMBER).is_err());
+        }
         // Test there is a octet with high-bit set
         assert!(MAGICNUMBER.iter().any(|x| *x & 0x80 != 0));
         // Test there is a non-printable ASCII character

tests/basic_tests.rs

@@ -190,7 +190,7 @@ fn extract_if() {
         let mut table = write_txn.open_table(U64_TABLE).unwrap();
         assert_eq!(table.len().unwrap(), 10);
         for _ in table.extract_if(|x, _| x % 2 != 0).unwrap() {}
-        table.extract_if(|_, _| true).unwrap().rev().next();
+        table.extract_if(|_, _| true).unwrap().next_back();
     }
     write_txn.commit().unwrap();