Merge pull request #79 from u2/chore_update_rust

chore: update rust to 1.36.0

.travis.yml

@@ -12,12 +12,12 @@ env:
 matrix:
  include:
  - os: osx
- rust: 1.35.0
+ rust: 1.36.0
  install:
  - cargo fmt --version || rustup component add rustfmt-preview
  - cargo clippy --version || rustup component add clippy-preview
  env: SUITE=ci
- - rust: 1.35.0
+ - rust: 1.36.0
  addons:
  apt:
  packages:
@@ -28,37 +28,37 @@ matrix:
  - texinfo
  - libtool
  env: SUITE=ci-quick
- - rust: 1.35.0
+ - rust: 1.36.0
  addons:
  apt:
  packages:
  - git
  - build-essential
  env: SUITE=ci-generated
- - rust: 1.35.0
+ - rust: 1.36.0
  addons:
  apt:
  packages:
  - git
  - build-essential
  env: SUITE=check
- - rust: 1.35.0
+ - rust: 1.36.0
  addons:
  apt:
  packages:
  - git
  - build-essential
  env: SUITE=ci-all-features
  - os: osx
- rust: 1.35.0
+ rust: 1.36.0
  addons:
  apt:
  packages:
  - git
  - build-essential
  env: SUITE=ci-all-features
  - name: Test Suite
- rust: 1.35.0
+ rust: 1.36.0
  dist: xenial
  addons:
  apt:
@@ -83,7 +83,7 @@ matrix:
  RISCV=`pwd`/riscv ./ckb-vm-test-suite/test.sh
  - name: Code Coverage
  if: 'tag IS NOT present AND type != pull_request AND (branch = develop OR branch = master)'
- rust: 1.35.0
+ rust: 1.36.0
  dist: xenial
  addons:
  apt:

Cargo.toml

@@ -16,7 +16,6 @@ asm = ["libc", "memmap"]
 byteorder = "1"
 bytes = "0.4.12"
 goblin = "0.0.22"
-hashbrown = "0.5.0"
 memmap = { version = "0.7.0", optional = true }
 libc = { version = "0.2.47", optional = true }
 ckb-vm-definitions = { path = "definitions", version = "0.13.0" }

src/machine/aot/mod.rs

@@ -11,8 +11,8 @@ use super::super::{
 use bytes::Bytes;
 use emitter::Emitter;
 use goblin::elf::{section_header::SHF_EXECINSTR, Elf};
-use hashbrown::{HashMap, HashSet};
 use memmap::{Mmap, MmapMut};
+use std::collections::{HashMap, HashSet};
 use std::rc::Rc;
 
 const MAXIMUM_INSTRUCTIONS_PER_BLOCK: usize = 1024;