Edition 2018 nix

Author: JohnnyFFM

src/scheduler.rs

@@ -4,7 +4,9 @@ use crate::gpu_hasher::{create_gpu_hasher_thread, GpuTask, SafePointer};
 #[cfg(feature = "opencl")]
 use crate::ocl::gpu_init;
 use crate::plotter::{Buffer, PlotterTask, NONCE_SIZE};
-use crossbeam_channel::{unbounded, Receiver, Sender};
+use crossbeam_channel::{Receiver, Sender};
+#[cfg(feature = "opencl")]
+use crossbeam_channel::unbounded;
 use libc::{c_void, size_t};
 use std::cmp::min;
 use std::sync::mpsc::channel;
@@ -103,7 +105,7 @@ pub fn create_scheduler_thread(
                         tx.clone(),
                         CpuTask {
                             cache: SafeCVoid {
-                                ptr: bs.as_ptr() as *mut c_void,
+                                ptr: bs.as_mut_ptr() as *mut c_void,
                             },
                             cache_size: (buffer_size / NONCE_SIZE) as usize,
                             chunk_offset: requested as usize,

src/utils.rs

@@ -1,4 +1,3 @@
-extern crate fs2;
 use std::fs::{File, OpenOptions};
 use std::io;
 use std::path::Path;
@@ -9,9 +8,9 @@ cfg_if! {
         extern crate thread_priority;
         use std::process::Command;
         use std::os::unix::fs::OpenOptionsExt;
-        use utils::fs2::FileExt;
+        use fs2::FileExt;
         #[cfg(linux)]
-        use self::thread_priority::*;
+        use thread_priority::*;
 
         const O_DIRECT: i32 = 0o0_040_000;