Fix cargo check

definitions/src/instructions.rs

@@ -293,7 +293,7 @@ macro_rules! __for_each_inst_inner {
 /// a callback macro that takes (at least) 3 arguments:
 ///
 /// 1. $name: an identifier containing the full defined opcode name,
-/// e.g., OP_ADD
+///     e.g., OP_ADD
 /// 2. $real_name: an identifier containing just the opcode part, e.g., ADD
 /// 3. $code: an expr containing the actual opcode number
 ///
@@ -324,10 +324,10 @@ macro_rules! for_each_inst2 {
 /// arguments:
 ///
 /// * A callback macro that takes the exact same arguments as callback
-/// macro in +for_each_inst+
+///     macro in +for_each_inst+
 /// * A value expression containing the actual value to match against.
 /// * An expression used as wildcard matches when the passed value does
-/// not match any opcode
+///     not match any opcode
 ///
 /// * Free variables are attached to the variants ending with match1, match2, etc.
 #[macro_export]
@@ -357,7 +357,7 @@ macro_rules! for_each_inst_match2 {
 /// Generates an array on all instructions
 ///
 /// * A callback macro that takes the exact same arguments as callback
-/// macro in +for_each_inst+
+///     macro in +for_each_inst+
 ///
 /// * Free variables are attached to the variants ending with fold1, fold2, etc.
 #[macro_export]

examples/check_real_memory.rs

@@ -69,7 +69,7 @@ fn get_current_memory_linux() -> usize {
 }
 
 fn get_current_memory() -> usize {
-    if !cfg!(linux) {
+    if !cfg!(target_os = "linux") {
         get_current_memory_linux()
     } else {
         let pid = format!("{}", id());

src/snapshot2.rs

@@ -140,7 +140,7 @@ impl<I: Clone + PartialEq, D: DataSource<I>> Snapshot2Context<I, D> {
     /// 1. use elf::parse_elf to generate ProgramMetadata
     /// 2. use DefaultMachine::load_program_with_metadata to load the program
     /// 3. Pass ProgramMetadata to this method so we can track memory pages from
-    /// program, so as to further reduce the size of the generated snapshot.
+    ///     program, so as to further reduce the size of the generated snapshot.
     ///
     /// One can also use the original DefaultMachine::load_program, and parse the
     /// ELF a second time to extract metadata for this method. However the above

tests/test_resume2.rs

@@ -11,7 +11,9 @@ use ckb_vm::machine::{
 use ckb_vm::memory::{sparse::SparseMemory, wxorx::WXorXMemory};
 use ckb_vm::registers::{A0, A1, A7};
 use ckb_vm::snapshot2::{DataSource, Snapshot2, Snapshot2Context};
-use ckb_vm::{DefaultMachineBuilder, Error, Memory, Register, Syscalls, ISA_A, ISA_IMC};
+#[allow(unused_imports)]
+use ckb_vm::Memory;
+use ckb_vm::{DefaultMachineBuilder, Error, Register, Syscalls, ISA_A, ISA_IMC};
 use std::collections::HashMap;
 use std::fs::File;
 use std::io::Read;