[INFO] fetching crate cogo 0.1.36...
[INFO] testing cogo-0.1.36 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate cogo 0.1.36 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cogo 0.1.36 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cogo 0.1.36
[INFO] finished tweaking crates.io crate cogo 0.1.36
[INFO] tweaked toml for crates.io crate cogo 0.1.36 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9f804e5a2d7fdec08775a7a5a686f25b09ec9cc0f691d02fc65d147c23cd73b6
[INFO] running `Command { std: "docker" "start" "-a" "9f804e5a2d7fdec08775a7a5a686f25b09ec9cc0f691d02fc65d147c23cd73b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f804e5a2d7fdec08775a7a5a686f25b09ec9cc0f691d02fc65d147c23cd73b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f804e5a2d7fdec08775a7a5a686f25b09ec9cc0f691d02fc65d147c23cd73b6", kill_on_drop: false }`
[INFO] [stdout] 9f804e5a2d7fdec08775a7a5a686f25b09ec9cc0f691d02fc65d147c23cd73b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 689839e1d8a2845c136935b0d6d9c7c2987b32292e604a378af3763f8bb395ab
[INFO] running `Command { std: "docker" "start" "-a" "689839e1d8a2845c136935b0d6d9c7c2987b32292e604a378af3763f8bb395ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling time v0.3.9
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling nix v0.21.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling generator v0.7.0
[INFO] [stderr]    Compiling cogo v0.1.36 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `AtomicBool`, `AtomicU64`
[INFO] [stdout]  --> src/config.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::atomic::{AtomicBool, AtomicU64, AtomicUsize, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `smallvec::SmallVec`
[INFO] [stdout]   --> src/io/sys/unix/epoll.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use smallvec::SmallVec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::Ordering`
[INFO] [stdout]  --> src/io/sys/unix/cancel.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::atomic::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/std/queue/array_queue.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use core::mem::{self, MaybeUninit};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr`
[INFO] [stdout]  --> src/std/sync/atomic_option.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ptr;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicPtr`, `Ordering`
[INFO] [stdout]  --> src/std/sync/atomic_option.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::atomic::{AtomicPtr, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/std/sync/atomic_option.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generator::Generator`
[INFO] [stdout]  --> src/std/sync/atomic_option.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use generator::Generator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/std/sync/atomic_option.rs:78:24
[INFO] [stdout]    |
[INFO] [stdout] 78 |         match unsafe { (&(*self.inner.borrow().as_ptr())) } {
[INFO] [stdout]    |                        ^                                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 78 -         match unsafe { (&(*self.inner.borrow().as_ptr())) } {
[INFO] [stdout] 78 +         match unsafe { &(*self.inner.borrow().as_ptr()) } {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::defer`
[INFO] [stdout]  --> src/std/sync/once.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::defer;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::std::sync::Mutex`
[INFO] [stdout]  --> src/std/sync/once.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::std::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AtomicBool`
[INFO] [stdout]  --> src/std/sync/channel.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvError`
[INFO] [stdout]  --> src/std/io/stream_chan.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::mpsc::RecvError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::std::errors::Error`
[INFO] [stdout]  --> src/std/io/stream_chan.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::std::errors::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryStream`
[INFO] [stdout]  --> src/std/io/stream_chan.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::std::io::{Stream, TryStream};
[INFO] [stdout]   |                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LockResult`
[INFO] [stdout]  --> src/std/time/tick.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{Arc, LockResult};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvError`
[INFO] [stdout]  --> src/std/time/tick.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::mpsc::RecvError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sender`
[INFO] [stdout]  --> src/std/time/tick.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::std::sync::channel::{Receiver, Sender};
[INFO] [stdout]   |                                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::alloc::Layout`
[INFO] [stdout]  --> src/std/time/time.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::alloc::Layout;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DerefMut`
[INFO] [stdout]  --> src/std/time/time.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{Add, Deref, DerefMut, Sub};
[INFO] [stdout]   |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::SystemTime`
[INFO] [stdout]  --> src/std/time/time.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::SystemTime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::error::InvalidFormatDescription`
[INFO] [stdout]  --> src/std/time/time.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use time::error::InvalidFormatDescription;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::format_description::FormatItem`
[INFO] [stdout]  --> src/std/time/time.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use time::format_description::FormatItem;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BorrowMut`
[INFO] [stdout]  --> src/std/map/hash_map.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr`
[INFO] [stdout]  --> src/std/map/hash_map.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ptr;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicPtr`, `Ordering`
[INFO] [stdout]  --> src/std/map/hash_map.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::atomic::{AtomicPtr, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LockResult`
[INFO] [stdout]  --> src/std/map/hash_map.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::{Arc, LockResult};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/std/map/hash_map.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]   --> src/std/map/hash_map.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::marker::PhantomData;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `hash_map::IntoIter as IntoIter`
[INFO] [stdout]   --> src/std/map/hash_map.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::collections::{HashMap as Map, hash_map::IntoIter as IntoIter, hash_map::Iter as MapIter, hash_map::IterMut as MapIterMut, HashMap};
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BorrowMut`
[INFO] [stdout]  --> src/std/map/btree_map.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr`
[INFO] [stdout]  --> src/std/map/btree_map.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ptr;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicPtr`, `Ordering`
[INFO] [stdout]  --> src/std/map/btree_map.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::atomic::{AtomicPtr, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LockResult`
[INFO] [stdout]  --> src/std/map/btree_map.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::{Arc, LockResult};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/std/map/btree_map.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]   --> src/std/map/btree_map.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::marker::PhantomData;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `btree_map::IntoIter as IntoIter`, `btree_map::IterMut as MapIterMut`
[INFO] [stdout]   --> src/std/map/btree_map.rs:13:41
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::collections::{BTreeMap as Map, btree_map::IntoIter as IntoIter, btree_map::Iter as MapIter, btree_map::IterMut as MapIterMut, Ha...
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Cell`
[INFO] [stdout]  --> src/std/lazy/imp_std.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     cell::{Cell, UnsafeCell},
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::coroutine::Coroutine`
[INFO] [stdout]   --> src/std/lazy/imp_std.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::coroutine::Coroutine;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/std/context/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::UnsafeCell`
[INFO] [stdout]  --> src/std/context/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell::UnsafeCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/std/context/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/std/context/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::Ordering`
[INFO] [stdout]  --> src/std/context/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::atomic::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Result`
[INFO] [stdout]  --> src/std/context/mod.rs:8:33
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::std::errors::{Error, Result};
[INFO] [stdout]   |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]   --> src/std/context/mod.rs:11:38
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::std::sync::{AtomicOption, Mutex, Receiver, Sender};
[INFO] [stdout]    |                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/std/blocking/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::std::errors::Error`
[INFO] [stdout]  --> src/std/blocking/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::std::errors::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]    --> src/std/lazy/mod.rs:325:35
[INFO] [stdout]     |
[INFO] [stdout] 325 | #![cfg_attr(not(feature = "std"), no_std)]
[INFO] [stdout]     |                                   ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/std/context/mod.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let (s, r) = chan!();
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/std/context/mod.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 |         if let Some(v) = self.done.get() {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret`
[INFO] [stdout]    --> src/io/sys/unix/epoll.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let ret = write(unsafe { self.vec.get_unchecked(id) }.evfd, buf);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/std/io/stream_chan.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `capacity`
[INFO] [stdout]   --> src/std/map/btree_map.rs:60:26
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn with_capacity(capacity: usize) -> Self {
[INFO] [stdout]    |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_capacity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/std/map/hash_map.rs:388:18
[INFO] [stdout]     |
[INFO] [stdout] 388 |     fn into_iter(mut self) -> Self::IntoIter {
[INFO] [stdout]     |                  ----^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/std/map/hash_map.rs:395:5
[INFO] [stdout]     |
[INFO] [stdout] 395 |     fn from(arg: Map<K, V>) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 396 |         Self::from(arg)
[INFO] [stdout]     |         --------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/std/map/btree_map.rs:375:18
[INFO] [stdout]     |
[INFO] [stdout] 375 |     fn into_iter(mut self) -> Self::IntoIter {
[INFO] [stdout]     |                  ----^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/std/map/btree_map.rs:382:5
[INFO] [stdout]     |
[INFO] [stdout] 382 |     fn from(arg: Map<K, V>) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 383 |         Self::from(arg)
[INFO] [stdout]     |         --------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/std/context/mod.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |         for (_, mut v) in self.children.iter_mut() {
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/park.rs:271:13
[INFO] [stdout]     |
[INFO] [stdout] 271 |             unsafe { cancel.cancel() };
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/sleep.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/cqueue.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         unsafe { self.co.cancel() };
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/cqueue.rs:291:44
[INFO] [stdout]     |
[INFO] [stdout] 291 |                 Some(j) if !j.is_done() => unsafe { j.coroutine().cancel() },
[INFO] [stdout]     |                                            ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/io/sys/unix/net/socket_read.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/io/sys/unix/net/tcp_listener_accpet.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/io/sys/unix/net/tcp_stream_connect.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |             unsafe { cancel.cancel() };
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/io/sys/unix/net/udp_recv_from.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/io/sys/unix/net/unix_listener_accpet.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/io/sys/unix/net/unix_recv_from.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/io/sys/unix/net/unix_stream_connect.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |             unsafe { cancel.cancel() };
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/io/sys/unix/wait_io.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/std/queue/array_queue.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 unsafe {
[INFO] [stdout]     |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/macros.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/std/time/tick.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         go!(tick);
[INFO] [stdout]    |         --------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `context`
[INFO] [stdout]   --> src/std/context/mod.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     context: Option<Box<dyn Context>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/std/sync/channel.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn new() -> MPMCBuffer<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reader`
[INFO] [stdout]   --> src/std/io/io.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub reader: R,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/join.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |             w.unpark();
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/join.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 w.unpark();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/park.rs:271:13
[INFO] [stdout]     |
[INFO] [stdout] 271 |             unsafe { cancel.cancel() };
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/sleep.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/coroutine_impl.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |         self.inner.cancel.cancel();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/cqueue.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |             w.unpark();
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/cqueue.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |             w.unpark();
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/cqueue.rs:264:25
[INFO] [stdout]     |
[INFO] [stdout] 264 |                         w.unpark();
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/context/mod.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |             self.send.send(());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/blocking/mod.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             send_e.send(Err(e));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/blocking/mod.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         s.send(Ok(f()));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/io/sys/unix/wait_io.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/sync/condvar.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 self.notify_one();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/sync/condvar.rs:83:21
[INFO] [stdout]    |
[INFO] [stdout] 83 |                     self.notify_one();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/sync/mutex.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 | /             self.to_wake
[INFO] [stdout] 75 | |                 .pop()
[INFO] [stdout] 76 | |                 .map(|w| self.unpark_one(&w))
[INFO] [stdout] 77 | |                 .expect("got null blocker!");
[INFO] [stdout]    | |_____________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/sync/rwlock.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 | /             self.to_wake
[INFO] [stdout] 87 | |                 .pop()
[INFO] [stdout] 88 | |                 .map(|w| self.unpark_one(&w))
[INFO] [stdout] 89 | |                 .expect("got null blocker!");
[INFO] [stdout]    | |_____________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/rwlock.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 | /             self.to_wake
[INFO] [stdout] 134 | |                 .pop()
[INFO] [stdout] 135 | |                 .map(|w| self.unpark_one(&w))
[INFO] [stdout] 136 | |                 .expect("got null blocker!");
[INFO] [stdout]     | |_____________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/sync/sync_flag.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |             self.wakeup_all();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/sync_flag.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         self.wakeup_all();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/wait_group.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |             self.inner.cvar.notify_all();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/io/stream_chan.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             s.send(Some(Err(e)));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/io/stream_chan.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         s.send(None);
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `ErrShortWrite` should have an upper case name
[INFO] [stdout]  --> src/std/io/io.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub static ErrShortWrite: Lazy<Error> = Lazy::new(|| err!("short write"));
[INFO] [stdout]   |            ^^^^^^^^^^^^^ help: convert the identifier to upper case: `ERR_SHORT_WRITE`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `errInvalidWrite` should have an upper case name
[INFO] [stdout]   --> src/std/io/io.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub static errInvalidWrite: Lazy<Error> = Lazy::new(|| err!("invalid write result"));
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `ERR_INVALID_WRITE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `ErrShortBuffer` should have an upper case name
[INFO] [stdout]   --> src/std/io/io.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub static ErrShortBuffer: Lazy<Error> = Lazy::new(|| err!("short buffer"));
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `ERR_SHORT_BUFFER`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `ErrUnexpectedEOF` should have an upper case name
[INFO] [stdout]   --> src/std/io/io.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub static ErrUnexpectedEOF: Lazy<Error> = Lazy::new(|| err!("unexpected EOF"));
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `ERR_UNEXPECTED_EOF`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `ErrNoProgress` should have an upper case name
[INFO] [stdout]   --> src/std/io/io.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub static ErrNoProgress: Lazy<Error> = Lazy::new(|| err!("multiple Read calls return no data or error"));
[INFO] [stdout]    |            ^^^^^^^^^^^^^ help: convert the identifier to upper case: `ERR_NO_PROGRESS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/time/tick.rs:59:25
[INFO] [stdout]    |
[INFO] [stdout] 59 |                         s.send(Time::now());
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TimeFormat` should have an upper case name
[INFO] [stdout]   --> src/std/time/time.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub const TimeFormat: &'static str = "[weekday repr:short], [day] [month repr:short] [year] [hour]:[minute]:[second] GMT";
[INFO] [stdout]    |           ^^^^^^^^^^ help: convert the identifier to upper case: `TIME_FORMAT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RFC3339Second` should have an upper case name
[INFO] [stdout]   --> src/std/time/time.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub const RFC3339Second: &'static str = "[year]-[month]-[day]T[hour]:[minute]:[second]";
[INFO] [stdout]    |           ^^^^^^^^^^^^^ help: convert the identifier to upper case: `RFC3339_SECOND`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RFC3339Nano` should have an upper case name
[INFO] [stdout]   --> src/std/time/time.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub const RFC3339Nano: &'static str = "[year]-[month]-[day]T[hour]:[minute]:[second].[subsecond][offset_hour sign:mandatory]:[offset_minu...
[INFO] [stdout]    |           ^^^^^^^^^^^ help: convert the identifier to upper case: `RFC3339_NANO`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `longDayNames` should have an upper case name
[INFO] [stdout]  --> src/std/time/format.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub static longDayNames: Lazy<Vec<&str>> = Lazy::new(|| {
[INFO] [stdout]   |            ^^^^^^^^^^^^ help: convert the identifier to upper case: `LONG_DAY_NAMES`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `shortDayNames` should have an upper case name
[INFO] [stdout]   --> src/std/time/format.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub static shortDayNames: Lazy<Vec<&str>> = Lazy::new(|| {
[INFO] [stdout]    |            ^^^^^^^^^^^^^ help: convert the identifier to upper case: `SHORT_DAY_NAMES`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `shortMonthNames` should have an upper case name
[INFO] [stdout]   --> src/std/time/format.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub static shortMonthNames: Lazy<Vec<&str>> = Lazy::new(|| {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `SHORT_MONTH_NAMES`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `longMonthNames` should have an upper case name
[INFO] [stdout]   --> src/std/time/format.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub static longMonthNames: Lazy<Vec<&str>> = Lazy::new(|| {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `LONG_MONTH_NAMES`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/lazy/imp_std.rs:216:13
[INFO] [stdout]     |
[INFO] [stdout] 216 |             node.p.park(None);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/lazy/imp_std.rs:233:17
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 (*queue).p.unpark();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/lazy/imp_std.rs:240:21
[INFO] [stdout]     |
[INFO] [stdout] 240 |                     (*next).p.unpark();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/io/sys/unix/net/socket_read.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/io/sys/unix/net/tcp_listener_accpet.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/sys/unix/net/tcp_stream_connect.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |             unsafe { cancel.cancel() };
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/io/sys/unix/net/udp_recv_from.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/io/sys/unix/net/unix_listener_accpet.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/io/sys/unix/net/unix_recv_from.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/sys/unix/net/unix_stream_connect.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |             unsafe { cancel.cancel() };
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 121 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.11s
[INFO] running `Command { std: "docker" "inspect" "689839e1d8a2845c136935b0d6d9c7c2987b32292e604a378af3763f8bb395ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "689839e1d8a2845c136935b0d6d9c7c2987b32292e604a378af3763f8bb395ab", kill_on_drop: false }`
[INFO] [stdout] 689839e1d8a2845c136935b0d6d9c7c2987b32292e604a378af3763f8bb395ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9d0dbfe4921698581222019402d7638c5db309e3de9f3c6a2939b0eceb0f613e
[INFO] running `Command { std: "docker" "start" "-a" "9d0dbfe4921698581222019402d7638c5db309e3de9f3c6a2939b0eceb0f613e", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `AtomicBool`, `AtomicU64`
[INFO] [stdout]  --> src/config.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::atomic::{AtomicBool, AtomicU64, AtomicUsize, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `smallvec::SmallVec`
[INFO] [stdout]   --> src/io/sys/unix/epoll.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use smallvec::SmallVec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::Ordering`
[INFO] [stdout]  --> src/io/sys/unix/cancel.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::atomic::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/std/queue/array_queue.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use core::mem::{self, MaybeUninit};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr`
[INFO] [stdout]  --> src/std/sync/atomic_option.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ptr;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicPtr`, `Ordering`
[INFO] [stdout]  --> src/std/sync/atomic_option.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::atomic::{AtomicPtr, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/std/sync/atomic_option.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generator::Generator`
[INFO] [stdout]  --> src/std/sync/atomic_option.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use generator::Generator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/std/sync/atomic_option.rs:78:24
[INFO] [stdout]    |
[INFO] [stdout] 78 |         match unsafe { (&(*self.inner.borrow().as_ptr())) } {
[INFO] [stdout]    |                        ^                                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 78 -         match unsafe { (&(*self.inner.borrow().as_ptr())) } {
[INFO] [stdout] 78 +         match unsafe { &(*self.inner.borrow().as_ptr()) } {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::defer`
[INFO] [stdout]  --> src/std/sync/once.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::defer;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::std::sync::Mutex`
[INFO] [stdout]  --> src/std/sync/once.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::std::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AtomicBool`
[INFO] [stdout]  --> src/std/sync/channel.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvError`
[INFO] [stdout]  --> src/std/io/stream_chan.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::mpsc::RecvError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::std::errors::Error`
[INFO] [stdout]  --> src/std/io/stream_chan.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::std::errors::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryStream`
[INFO] [stdout]  --> src/std/io/stream_chan.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::std::io::{Stream, TryStream};
[INFO] [stdout]   |                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LockResult`
[INFO] [stdout]  --> src/std/time/tick.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{Arc, LockResult};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvError`
[INFO] [stdout]  --> src/std/time/tick.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::mpsc::RecvError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sender`
[INFO] [stdout]  --> src/std/time/tick.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::std::sync::channel::{Receiver, Sender};
[INFO] [stdout]   |                                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::alloc::Layout`
[INFO] [stdout]  --> src/std/time/time.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::alloc::Layout;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DerefMut`
[INFO] [stdout]  --> src/std/time/time.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{Add, Deref, DerefMut, Sub};
[INFO] [stdout]   |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::SystemTime`
[INFO] [stdout]  --> src/std/time/time.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::SystemTime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::error::InvalidFormatDescription`
[INFO] [stdout]  --> src/std/time/time.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use time::error::InvalidFormatDescription;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::format_description::FormatItem`
[INFO] [stdout]  --> src/std/time/time.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use time::format_description::FormatItem;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BorrowMut`
[INFO] [stdout]  --> src/std/map/hash_map.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr`
[INFO] [stdout]  --> src/std/map/hash_map.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ptr;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicPtr`, `Ordering`
[INFO] [stdout]  --> src/std/map/hash_map.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::atomic::{AtomicPtr, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LockResult`
[INFO] [stdout]  --> src/std/map/hash_map.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::{Arc, LockResult};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/std/map/hash_map.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]   --> src/std/map/hash_map.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::marker::PhantomData;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `hash_map::IntoIter as IntoIter`
[INFO] [stdout]   --> src/std/map/hash_map.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::collections::{HashMap as Map, hash_map::IntoIter as IntoIter, hash_map::Iter as MapIter, hash_map::IterMut as MapIterMut, HashMap};
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BorrowMut`
[INFO] [stdout]  --> src/std/map/btree_map.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr`
[INFO] [stdout]  --> src/std/map/btree_map.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ptr;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicPtr`, `Ordering`
[INFO] [stdout]  --> src/std/map/btree_map.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::atomic::{AtomicPtr, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LockResult`
[INFO] [stdout]  --> src/std/map/btree_map.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::{Arc, LockResult};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/std/map/btree_map.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]   --> src/std/map/btree_map.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::marker::PhantomData;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `btree_map::IntoIter as IntoIter`, `btree_map::IterMut as MapIterMut`
[INFO] [stdout]   --> src/std/map/btree_map.rs:13:41
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::collections::{BTreeMap as Map, btree_map::IntoIter as IntoIter, btree_map::Iter as MapIter, btree_map::IterMut as MapIterMut, Ha...
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Cell`
[INFO] [stdout]  --> src/std/lazy/imp_std.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     cell::{Cell, UnsafeCell},
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::coroutine::Coroutine`
[INFO] [stdout]   --> src/std/lazy/imp_std.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::coroutine::Coroutine;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/std/context/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::UnsafeCell`
[INFO] [stdout]  --> src/std/context/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell::UnsafeCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/std/context/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/std/context/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::Ordering`
[INFO] [stdout]  --> src/std/context/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::atomic::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Result`
[INFO] [stdout]  --> src/std/context/mod.rs:8:33
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::std::errors::{Error, Result};
[INFO] [stdout]   |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]   --> src/std/context/mod.rs:11:38
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::std::sync::{AtomicOption, Mutex, Receiver, Sender};
[INFO] [stdout]    |                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/std/blocking/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::std::errors::Error`
[INFO] [stdout]  --> src/std/blocking/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::std::errors::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]    --> src/std/lazy/mod.rs:325:35
[INFO] [stdout]     |
[INFO] [stdout] 325 | #![cfg_attr(not(feature = "std"), no_std)]
[INFO] [stdout]     |                                   ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/std/context/mod.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let (s, r) = chan!();
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/std/context/mod.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 |         if let Some(v) = self.done.get() {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret`
[INFO] [stdout]    --> src/io/sys/unix/epoll.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let ret = write(unsafe { self.vec.get_unchecked(id) }.evfd, buf);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/std/io/stream_chan.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `capacity`
[INFO] [stdout]   --> src/std/map/btree_map.rs:60:26
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn with_capacity(capacity: usize) -> Self {
[INFO] [stdout]    |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_capacity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/std/map/hash_map.rs:388:18
[INFO] [stdout]     |
[INFO] [stdout] 388 |     fn into_iter(mut self) -> Self::IntoIter {
[INFO] [stdout]     |                  ----^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/std/map/hash_map.rs:395:5
[INFO] [stdout]     |
[INFO] [stdout] 395 |     fn from(arg: Map<K, V>) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 396 |         Self::from(arg)
[INFO] [stdout]     |         --------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/std/map/btree_map.rs:375:18
[INFO] [stdout]     |
[INFO] [stdout] 375 |     fn into_iter(mut self) -> Self::IntoIter {
[INFO] [stdout]     |                  ----^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/std/map/btree_map.rs:382:5
[INFO] [stdout]     |
[INFO] [stdout] 382 |     fn from(arg: Map<K, V>) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 383 |         Self::from(arg)
[INFO] [stdout]     |         --------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/std/context/mod.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |         for (_, mut v) in self.children.iter_mut() {
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/park.rs:271:13
[INFO] [stdout]     |
[INFO] [stdout] 271 |             unsafe { cancel.cancel() };
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/sleep.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/cqueue.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         unsafe { self.co.cancel() };
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/cqueue.rs:291:44
[INFO] [stdout]     |
[INFO] [stdout] 291 |                 Some(j) if !j.is_done() => unsafe { j.coroutine().cancel() },
[INFO] [stdout]     |                                            ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/io/sys/unix/net/socket_read.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/io/sys/unix/net/tcp_listener_accpet.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/io/sys/unix/net/tcp_stream_connect.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |             unsafe { cancel.cancel() };
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/io/sys/unix/net/udp_recv_from.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/io/sys/unix/net/unix_listener_accpet.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/io/sys/unix/net/unix_recv_from.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/io/sys/unix/net/unix_stream_connect.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |             unsafe { cancel.cancel() };
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/io/sys/unix/wait_io.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/std/queue/array_queue.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 unsafe {
[INFO] [stdout]     |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/macros.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/std/time/tick.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         go!(tick);
[INFO] [stdout]    |         --------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `context`
[INFO] [stdout]   --> src/std/context/mod.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     context: Option<Box<dyn Context>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/std/sync/channel.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn new() -> MPMCBuffer<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cogo v0.1.36 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `reader`
[INFO] [stdout]   --> src/std/io/io.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub reader: R,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/join.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |             w.unpark();
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/join.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 w.unpark();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/park.rs:271:13
[INFO] [stdout]     |
[INFO] [stdout] 271 |             unsafe { cancel.cancel() };
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/sleep.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/coroutine_impl.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |         self.inner.cancel.cancel();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/cqueue.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |             w.unpark();
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/cqueue.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |             w.unpark();
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/cqueue.rs:264:25
[INFO] [stdout]     |
[INFO] [stdout] 264 |                         w.unpark();
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/context/mod.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |             self.send.send(());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/blocking/mod.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             send_e.send(Err(e));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/blocking/mod.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         s.send(Ok(f()));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/io/sys/unix/wait_io.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/sync/condvar.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 self.notify_one();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/sync/condvar.rs:83:21
[INFO] [stdout]    |
[INFO] [stdout] 83 |                     self.notify_one();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/sync/mutex.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 | /             self.to_wake
[INFO] [stdout] 75 | |                 .pop()
[INFO] [stdout] 76 | |                 .map(|w| self.unpark_one(&w))
[INFO] [stdout] 77 | |                 .expect("got null blocker!");
[INFO] [stdout]    | |_____________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/sync/rwlock.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 | /             self.to_wake
[INFO] [stdout] 87 | |                 .pop()
[INFO] [stdout] 88 | |                 .map(|w| self.unpark_one(&w))
[INFO] [stdout] 89 | |                 .expect("got null blocker!");
[INFO] [stdout]    | |_____________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/rwlock.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 | /             self.to_wake
[INFO] [stdout] 134 | |                 .pop()
[INFO] [stdout] 135 | |                 .map(|w| self.unpark_one(&w))
[INFO] [stdout] 136 | |                 .expect("got null blocker!");
[INFO] [stdout]     | |_____________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/sync/sync_flag.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |             self.wakeup_all();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/sync_flag.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         self.wakeup_all();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/wait_group.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |             self.inner.cvar.notify_all();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/io/stream_chan.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             s.send(Some(Err(e)));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/io/stream_chan.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         s.send(None);
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `ErrShortWrite` should have an upper case name
[INFO] [stdout]  --> src/std/io/io.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub static ErrShortWrite: Lazy<Error> = Lazy::new(|| err!("short write"));
[INFO] [stdout]   |            ^^^^^^^^^^^^^ help: convert the identifier to upper case: `ERR_SHORT_WRITE`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `errInvalidWrite` should have an upper case name
[INFO] [stdout]   --> src/std/io/io.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub static errInvalidWrite: Lazy<Error> = Lazy::new(|| err!("invalid write result"));
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `ERR_INVALID_WRITE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `ErrShortBuffer` should have an upper case name
[INFO] [stdout]   --> src/std/io/io.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub static ErrShortBuffer: Lazy<Error> = Lazy::new(|| err!("short buffer"));
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `ERR_SHORT_BUFFER`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `ErrUnexpectedEOF` should have an upper case name
[INFO] [stdout]   --> src/std/io/io.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub static ErrUnexpectedEOF: Lazy<Error> = Lazy::new(|| err!("unexpected EOF"));
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `ERR_UNEXPECTED_EOF`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `ErrNoProgress` should have an upper case name
[INFO] [stdout]   --> src/std/io/io.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub static ErrNoProgress: Lazy<Error> = Lazy::new(|| err!("multiple Read calls return no data or error"));
[INFO] [stdout]    |            ^^^^^^^^^^^^^ help: convert the identifier to upper case: `ERR_NO_PROGRESS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/time/tick.rs:59:25
[INFO] [stdout]    |
[INFO] [stdout] 59 |                         s.send(Time::now());
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TimeFormat` should have an upper case name
[INFO] [stdout]   --> src/std/time/time.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub const TimeFormat: &'static str = "[weekday repr:short], [day] [month repr:short] [year] [hour]:[minute]:[second] GMT";
[INFO] [stdout]    |           ^^^^^^^^^^ help: convert the identifier to upper case: `TIME_FORMAT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RFC3339Second` should have an upper case name
[INFO] [stdout]   --> src/std/time/time.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub const RFC3339Second: &'static str = "[year]-[month]-[day]T[hour]:[minute]:[second]";
[INFO] [stdout]    |           ^^^^^^^^^^^^^ help: convert the identifier to upper case: `RFC3339_SECOND`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RFC3339Nano` should have an upper case name
[INFO] [stdout]   --> src/std/time/time.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub const RFC3339Nano: &'static str = "[year]-[month]-[day]T[hour]:[minute]:[second].[subsecond][offset_hour sign:mandatory]:[offset_minu...
[INFO] [stdout]    |           ^^^^^^^^^^^ help: convert the identifier to upper case: `RFC3339_NANO`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `longDayNames` should have an upper case name
[INFO] [stdout]  --> src/std/time/format.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub static longDayNames: Lazy<Vec<&str>> = Lazy::new(|| {
[INFO] [stdout]   |            ^^^^^^^^^^^^ help: convert the identifier to upper case: `LONG_DAY_NAMES`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `shortDayNames` should have an upper case name
[INFO] [stdout]   --> src/std/time/format.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub static shortDayNames: Lazy<Vec<&str>> = Lazy::new(|| {
[INFO] [stdout]    |            ^^^^^^^^^^^^^ help: convert the identifier to upper case: `SHORT_DAY_NAMES`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `shortMonthNames` should have an upper case name
[INFO] [stdout]   --> src/std/time/format.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub static shortMonthNames: Lazy<Vec<&str>> = Lazy::new(|| {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `SHORT_MONTH_NAMES`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `longMonthNames` should have an upper case name
[INFO] [stdout]   --> src/std/time/format.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub static longMonthNames: Lazy<Vec<&str>> = Lazy::new(|| {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `LONG_MONTH_NAMES`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/lazy/imp_std.rs:216:13
[INFO] [stdout]     |
[INFO] [stdout] 216 |             node.p.park(None);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/lazy/imp_std.rs:233:17
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 (*queue).p.unpark();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/lazy/imp_std.rs:240:21
[INFO] [stdout]     |
[INFO] [stdout] 240 |                     (*next).p.unpark();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/io/sys/unix/net/socket_read.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/io/sys/unix/net/tcp_listener_accpet.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/sys/unix/net/tcp_stream_connect.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |             unsafe { cancel.cancel() };
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/io/sys/unix/net/udp_recv_from.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/io/sys/unix/net/unix_listener_accpet.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/io/sys/unix/net/unix_recv_from.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/sys/unix/net/unix_stream_connect.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |             unsafe { cancel.cancel() };
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 121 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/channel.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             s1.send(1);
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/channel.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |             s1.send(1);
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> tests/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     unsafe { j.coroutine().cancel() };
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> tests/lib.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     unsafe { j.coroutine().cancel() };
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicBool`, `AtomicU64`
[INFO] [stdout]  --> src/config.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::atomic::{AtomicBool, AtomicU64, AtomicUsize, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `smallvec::SmallVec`
[INFO] [stdout]   --> src/io/sys/unix/epoll.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use smallvec::SmallVec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::Ordering`
[INFO] [stdout]  --> src/io/sys/unix/cancel.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::atomic::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/std/queue/array_queue.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use core::mem::{self, MaybeUninit};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr`
[INFO] [stdout]  --> src/std/sync/atomic_option.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ptr;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicPtr`, `Ordering`
[INFO] [stdout]  --> src/std/sync/atomic_option.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::atomic::{AtomicPtr, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/std/sync/atomic_option.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generator::Generator`
[INFO] [stdout]  --> src/std/sync/atomic_option.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use generator::Generator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/std/sync/atomic_option.rs:78:24
[INFO] [stdout]    |
[INFO] [stdout] 78 |         match unsafe { (&(*self.inner.borrow().as_ptr())) } {
[INFO] [stdout]    |                        ^                                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 78 -         match unsafe { (&(*self.inner.borrow().as_ptr())) } {
[INFO] [stdout] 78 +         match unsafe { &(*self.inner.borrow().as_ptr()) } {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::defer`
[INFO] [stdout]  --> src/std/sync/once.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::defer;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::std::sync::Mutex`
[INFO] [stdout]  --> src/std/sync/once.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::std::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `defer`
[INFO] [stdout]   --> src/std/sync/once.rs:54:23
[INFO] [stdout]    |
[INFO] [stdout] 54 |     use crate::{chan, defer};
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AtomicBool`
[INFO] [stdout]  --> src/std/sync/channel.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvError`
[INFO] [stdout]  --> src/std/io/stream_chan.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::mpsc::RecvError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::std::errors::Error`
[INFO] [stdout]  --> src/std/io/stream_chan.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::std::errors::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryStream`
[INFO] [stdout]  --> src/std/io/stream_chan.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::std::io::{Stream, TryStream};
[INFO] [stdout]   |                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryStream`
[INFO] [stdout]   --> src/std/io/stream_chan.rs:55:38
[INFO] [stdout]    |
[INFO] [stdout] 55 |     use crate::std::io::{ChanStream, TryStream};
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::ControlFlow`
[INFO] [stdout]   --> src/std/io/stream_chan.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     use std::ops::ControlFlow;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LockResult`
[INFO] [stdout]  --> src/std/time/tick.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{Arc, LockResult};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvError`
[INFO] [stdout]  --> src/std/time/tick.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::mpsc::RecvError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sender`
[INFO] [stdout]  --> src/std/time/tick.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::std::sync::channel::{Receiver, Sender};
[INFO] [stdout]   |                                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::alloc::Layout`
[INFO] [stdout]  --> src/std/time/time.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::alloc::Layout;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DerefMut`
[INFO] [stdout]  --> src/std/time/time.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{Add, Deref, DerefMut, Sub};
[INFO] [stdout]   |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::SystemTime`
[INFO] [stdout]  --> src/std/time/time.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::SystemTime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::error::InvalidFormatDescription`
[INFO] [stdout]  --> src/std/time/time.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use time::error::InvalidFormatDescription;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::format_description::FormatItem`
[INFO] [stdout]  --> src/std/time/time.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use time::format_description::FormatItem;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BorrowMut`
[INFO] [stdout]  --> src/std/map/hash_map.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr`
[INFO] [stdout]  --> src/std/map/hash_map.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ptr;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicPtr`, `Ordering`
[INFO] [stdout]  --> src/std/map/hash_map.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::atomic::{AtomicPtr, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LockResult`
[INFO] [stdout]  --> src/std/map/hash_map.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::{Arc, LockResult};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/std/map/hash_map.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]   --> src/std/map/hash_map.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::marker::PhantomData;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `hash_map::IntoIter as IntoIter`
[INFO] [stdout]   --> src/std/map/hash_map.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::collections::{HashMap as Map, hash_map::IntoIter as IntoIter, hash_map::Iter as MapIter, hash_map::IterMut as MapIterMut, HashMap};
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]    --> src/std/map/hash_map.rs:431:9
[INFO] [stdout]     |
[INFO] [stdout] 431 |     use std::collections::HashMap;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ordering`
[INFO] [stdout]    --> src/std/map/hash_map.rs:434:29
[INFO] [stdout]     |
[INFO] [stdout] 434 |     use std::sync::atomic::{Ordering};
[INFO] [stdout]     |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sleep`
[INFO] [stdout]    --> src/std/map/hash_map.rs:437:9
[INFO] [stdout]     |
[INFO] [stdout] 437 |     use crate::sleep;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BorrowMut`
[INFO] [stdout]  --> src/std/map/btree_map.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr`
[INFO] [stdout]  --> src/std/map/btree_map.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ptr;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicPtr`, `Ordering`
[INFO] [stdout]  --> src/std/map/btree_map.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::atomic::{AtomicPtr, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LockResult`
[INFO] [stdout]  --> src/std/map/btree_map.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::{Arc, LockResult};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/std/map/btree_map.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]   --> src/std/map/btree_map.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::marker::PhantomData;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `btree_map::IntoIter as IntoIter`, `btree_map::IterMut as MapIterMut`
[INFO] [stdout]   --> src/std/map/btree_map.rs:13:41
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::collections::{BTreeMap as Map, btree_map::IntoIter as IntoIter, btree_map::Iter as MapIter, btree_map::IterMut as MapIterMut, Ha...
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]    --> src/std/map/btree_map.rs:418:9
[INFO] [stdout]     |
[INFO] [stdout] 418 |     use std::collections::BTreeMap;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ordering`
[INFO] [stdout]    --> src/std/map/btree_map.rs:421:29
[INFO] [stdout]     |
[INFO] [stdout] 421 |     use std::sync::atomic::{Ordering};
[INFO] [stdout]     |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Cell`
[INFO] [stdout]  --> src/std/lazy/imp_std.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     cell::{Cell, UnsafeCell},
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::coroutine::Coroutine`
[INFO] [stdout]   --> src/std/lazy/imp_std.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::coroutine::Coroutine;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/std/context/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::UnsafeCell`
[INFO] [stdout]  --> src/std/context/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell::UnsafeCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/std/context/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/std/context/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::Ordering`
[INFO] [stdout]  --> src/std/context/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::atomic::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Result`
[INFO] [stdout]  --> src/std/context/mod.rs:8:33
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::std::errors::{Error, Result};
[INFO] [stdout]   |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]   --> src/std/context/mod.rs:11:38
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::std::sync::{AtomicOption, Mutex, Receiver, Sender};
[INFO] [stdout]    |                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/std/blocking/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::std::errors::Error`
[INFO] [stdout]  --> src/std/blocking/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::std::errors::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]    --> src/std/lazy/mod.rs:325:35
[INFO] [stdout]     |
[INFO] [stdout] 325 | #![cfg_attr(not(feature = "std"), no_std)]
[INFO] [stdout]     |                                   ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]    --> src/io/sys/unix/co_io.rs:236:5
[INFO] [stdout]     |
[INFO] [stdout] 236 |     #![feature(test)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]    --> src/std/queue/mpsc_list.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |     #![feature(test)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]    --> src/std/queue/mpsc_list_v1.rs:349:5
[INFO] [stdout]     |
[INFO] [stdout] 349 |     #![feature(test)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]    --> src/std/sync/condvar.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 198 |     #![feature(test)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]    --> src/std/sync/mutex.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     #![feature(test)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]    --> src/std/sync/rwlock.rs:324:5
[INFO] [stdout]     |
[INFO] [stdout] 324 |     #![feature(test)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]    --> src/std/sync/semphore.rs:174:5
[INFO] [stdout]     |
[INFO] [stdout] 174 |     #![feature(test)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]    --> src/std/sync/sync_flag.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 155 |     #![feature(test)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/std/blocking/mod.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |             panic!("e");
[INFO] [stdout]    |             ----------- any code following this expression is unreachable
[INFO] [stdout] 73 |             return 1;
[INFO] [stdout]    |             ^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/std/context/mod.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let (s, r) = chan!();
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/std/context/mod.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 |         if let Some(v) = self.done.get() {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret`
[INFO] [stdout]    --> src/io/sys/unix/epoll.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let ret = write(unsafe { self.vec.get_unchecked(id) }.evfd, buf);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/std/io/stream_chan.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `capacity`
[INFO] [stdout]   --> src/std/map/btree_map.rs:60:26
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn with_capacity(capacity: usize) -> Self {
[INFO] [stdout]    |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_capacity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/std/sync/once.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |         for i in 0..n {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/std/sync/once.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 |         for i in 0..n {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/map/hash_map.rs:485:22
[INFO] [stdout]     |
[INFO] [stdout] 485 |                  let insert = m1.insert(1, 2);
[INFO] [stdout]     |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/map/hash_map.rs:490:22
[INFO] [stdout]     |
[INFO] [stdout] 490 |                  let insert = m2.insert(1, 2);
[INFO] [stdout]     |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/map/hash_map.rs:509:26
[INFO] [stdout]     |
[INFO] [stdout] 509 |                      let insert = m1.insert(i, i);
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/map/hash_map.rs:516:26
[INFO] [stdout]     |
[INFO] [stdout] 516 |                      let insert = m2.insert(i, i);
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/map/hash_map.rs:527:13
[INFO] [stdout]     |
[INFO] [stdout] 527 |         let insert = m.insert(1, 2);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/map/hash_map.rs:547:13
[INFO] [stdout]     |
[INFO] [stdout] 547 |         let insert = m.insert(1, a);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/map/hash_map.rs:584:13
[INFO] [stdout]     |
[INFO] [stdout] 584 |         let insert = m.insert(1, 2);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/map/hash_map.rs:594:13
[INFO] [stdout]     |
[INFO] [stdout] 594 |         let insert = m.insert(1, 2);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/map/hash_map.rs:613:21
[INFO] [stdout]     |
[INFO] [stdout] 613 |                 let insert = m.insert(i, i);
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/map/hash_map.rs:637:21
[INFO] [stdout]     |
[INFO] [stdout] 637 |                 let insert = m.insert(i, i);
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/std/map/hash_map.rs:646:22
[INFO] [stdout]     |
[INFO] [stdout] 646 |                  let g = m2.remove(&i);
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/map/btree_map.rs:462:22
[INFO] [stdout]     |
[INFO] [stdout] 462 |                  let insert = m1.insert(1, 2);
[INFO] [stdout]     |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/map/btree_map.rs:467:22
[INFO] [stdout]     |
[INFO] [stdout] 467 |                  let insert = m2.insert(1, 2);
[INFO] [stdout]     |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/map/btree_map.rs:477:13
[INFO] [stdout]     |
[INFO] [stdout] 477 |         let insert = m.insert(1, 2);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/map/btree_map.rs:485:13
[INFO] [stdout]     |
[INFO] [stdout] 485 |         let insert = m.insert(1, 2);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/map/btree_map.rs:495:13
[INFO] [stdout]     |
[INFO] [stdout] 495 |         let insert = m.insert(1, 2);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/std/map/hash_map.rs:388:18
[INFO] [stdout]     |
[INFO] [stdout] 388 |     fn into_iter(mut self) -> Self::IntoIter {
[INFO] [stdout]     |                  ----^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/std/map/hash_map.rs:395:5
[INFO] [stdout]     |
[INFO] [stdout] 395 |     fn from(arg: Map<K, V>) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 396 |         Self::from(arg)
[INFO] [stdout]     |         --------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/std/map/btree_map.rs:375:18
[INFO] [stdout]     |
[INFO] [stdout] 375 |     fn into_iter(mut self) -> Self::IntoIter {
[INFO] [stdout]     |                  ----^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/std/map/btree_map.rs:382:5
[INFO] [stdout]     |
[INFO] [stdout] 382 |     fn from(arg: Map<K, V>) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 383 |         Self::from(arg)
[INFO] [stdout]     |         --------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/std/context/mod.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |         for (_, mut v) in self.children.iter_mut() {
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/std/io/stream_chan.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut c = ChanStream {
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/std/io/stream_chan.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut c = ChanStream {
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/std/time/tick.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let mut t = Arc::new(Ticker::new(Duration::from_secs(1)));
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/std/time/time.rs:568:13
[INFO] [stdout]     |
[INFO] [stdout] 568 |         let mut now = Time::now();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/park.rs:271:13
[INFO] [stdout]     |
[INFO] [stdout] 271 |             unsafe { cancel.cancel() };
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/sleep.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/cqueue.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         unsafe { self.co.cancel() };
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/cqueue.rs:291:44
[INFO] [stdout]     |
[INFO] [stdout] 291 |                 Some(j) if !j.is_done() => unsafe { j.coroutine().cancel() },
[INFO] [stdout]     |                                            ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/io/sys/unix/net/socket_read.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/io/sys/unix/net/tcp_listener_accpet.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/io/sys/unix/net/tcp_stream_connect.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |             unsafe { cancel.cancel() };
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/io/sys/unix/net/udp_recv_from.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/io/sys/unix/net/unix_listener_accpet.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/io/sys/unix/net/unix_recv_from.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/io/sys/unix/net/unix_stream_connect.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |             unsafe { cancel.cancel() };
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/io/sys/unix/wait_io.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/std/queue/array_queue.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 unsafe {
[INFO] [stdout]     |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/macros.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/std/time/tick.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         go!(tick);
[INFO] [stdout]    |         --------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/macros.rs:10:9
[INFO] [stdout]      |
[INFO] [stdout] 10   |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]      |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/os/unix/net.rs:1122:22
[INFO] [stdout]      |
[INFO] [stdout] 1122 |           let thread = go!(move || {
[INFO] [stdout]      |  ______________________-
[INFO] [stdout] 1123 | |             let mut stream = or_panic!(listener.accept()).0;
[INFO] [stdout] 1124 | |             let mut buf = [0; 5];
[INFO] [stdout] 1125 | |             or_panic!(stream.read(&mut buf));
[INFO] [stdout] 1126 | |             assert_eq!(&msg1[..], &buf[..]);
[INFO] [stdout] 1127 | |             or_panic!(stream.write_all(msg2));
[INFO] [stdout] 1128 | |         });
[INFO] [stdout]      | |__________- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/macros.rs:10:9
[INFO] [stdout]      |
[INFO] [stdout] 10   |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]      |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/os/unix/net.rs:1150:22
[INFO] [stdout]      |
[INFO] [stdout] 1150 |           let thread = go!(move || {
[INFO] [stdout]      |  ______________________-
[INFO] [stdout] 1151 | |             // s1 must be moved in or the test will hang!
[INFO] [stdout] 1152 | |             let mut buf = [0; 5];
[INFO] [stdout] 1153 | |             or_panic!(s1.read(&mut buf));
[INFO] [stdout] 1154 | |             assert_eq!(&msg1[..], &buf[..]);
[INFO] [stdout] 1155 | |             or_panic!(s1.write_all(msg2));
[INFO] [stdout] 1156 | |         });
[INFO] [stdout]      | |__________- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/macros.rs:10:9
[INFO] [stdout]      |
[INFO] [stdout] 10   |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]      |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/os/unix/net.rs:1175:22
[INFO] [stdout]      |
[INFO] [stdout] 1175 |           let thread = go!(move || {
[INFO] [stdout]      |  ______________________-
[INFO] [stdout] 1176 | |             let mut stream = or_panic!(listener.accept()).0;
[INFO] [stdout] 1177 | |             or_panic!(stream.write_all(msg1));
[INFO] [stdout] 1178 | |             or_panic!(stream.write_all(msg2));
[INFO] [stdout] 1179 | |         });
[INFO] [stdout]      | |__________- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/macros.rs:10:9
[INFO] [stdout]      |
[INFO] [stdout] 10   |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]      |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/os/unix/net.rs:1199:22
[INFO] [stdout]      |
[INFO] [stdout] 1199 |           let thread = go!(move || for stream in listener.incoming().take(2) {
[INFO] [stdout]      |  ______________________-
[INFO] [stdout] 1200 | |             let mut stream = or_panic!(stream);
[INFO] [stdout] 1201 | |             let mut buf = [0];
[INFO] [stdout] 1202 | |             or_panic!(stream.read(&mut buf));
[INFO] [stdout] 1203 | |         });
[INFO] [stdout]      | |__________- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/macros.rs:10:9
[INFO] [stdout]      |
[INFO] [stdout] 10   |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]      |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/os/unix/net.rs:1384:22
[INFO] [stdout]      |
[INFO] [stdout] 1384 |           let thread = go!(move || {
[INFO] [stdout]      |  ______________________-
[INFO] [stdout] 1385 | |             // s1 must be moved in or the test will hang!
[INFO] [stdout] 1386 | |             let mut buf = [0; 5];
[INFO] [stdout] 1387 | |             or_panic!(s1.recv(&mut buf));
[INFO] [stdout] 1388 | |             assert_eq!(&msg1[..], &buf[..]);
[INFO] [stdout] 1389 | |             or_panic!(s1.send(msg2));
[INFO] [stdout] 1390 | |         });
[INFO] [stdout]      | |__________- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/condvar.rs:320:21
[INFO] [stdout]     |
[INFO] [stdout] 320 |               let h = go!(move || {
[INFO] [stdout]     |  _____________________-
[INFO] [stdout] 321 | |                 let &(ref lock, ref cond) = &*data;
[INFO] [stdout] 322 | |                 let mut cnt = lock.lock().unwrap();
[INFO] [stdout] 323 | |                 *cnt += 1;
[INFO] [stdout] ...   |
[INFO] [stdout] 330 | |                 tx.send(()).unwrap();
[INFO] [stdout] 331 | |             });
[INFO] [stdout]     | |______________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/std/sync/condvar.rs:347:13
[INFO] [stdout]     |
[INFO] [stdout] 347 |             unsafe { vec[i].coroutine().cancel() };
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/mutex.rs:299:13
[INFO] [stdout]     |
[INFO] [stdout] 299 | /             go!(move || {
[INFO] [stdout] 300 | |                 inc(&m2);
[INFO] [stdout] 301 | |                 tx2.send(()).unwrap();
[INFO] [stdout] 302 | |             });
[INFO] [stdout]     | |______________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/mutex.rs:509:18
[INFO] [stdout]     |
[INFO] [stdout] 509 |           let h1 = go!(move || {
[INFO] [stdout]     |  __________________-
[INFO] [stdout] 510 | |             let mut g = mutex2.lock().unwrap();
[INFO] [stdout] 511 | |             *g += 1;
[INFO] [stdout] 512 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/mutex.rs:514:18
[INFO] [stdout]     |
[INFO] [stdout] 514 |           let h2 = go!(move || {
[INFO] [stdout]     |  __________________-
[INFO] [stdout] 515 | |             // let h1 enqueue
[INFO] [stdout] 516 | |             sleep(Duration::from_millis(50));
[INFO] [stdout] 517 | |             let mut g = mutex3.lock().unwrap();
[INFO] [stdout] 518 | |             *g += 1;
[INFO] [stdout] 519 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/std/sync/mutex.rs:524:9
[INFO] [stdout]     |
[INFO] [stdout] 524 |         unsafe { h1.coroutine().cancel() };
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/mutex.rs:544:18
[INFO] [stdout]     |
[INFO] [stdout] 544 |           let h1 = go!(move || {
[INFO] [stdout]     |  __________________-
[INFO] [stdout] 545 | |             let mut g = mutex2.lock().unwrap();
[INFO] [stdout] 546 | |             // test cancel when holding the mutex
[INFO] [stdout] 547 | |             // this should not be poision
[INFO] [stdout] 548 | |             sleep(Duration::from_secs(10000));
[INFO] [stdout] 549 | |             *g += 1;
[INFO] [stdout] 550 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/mutex.rs:552:18
[INFO] [stdout]     |
[INFO] [stdout] 552 |           let h2 = go!(move || {
[INFO] [stdout]     |  __________________-
[INFO] [stdout] 553 | |             // let h1 enqueue
[INFO] [stdout] 554 | |             sleep(Duration::from_millis(50));
[INFO] [stdout] 555 | |             let mut g = mutex3.lock().unwrap();
[INFO] [stdout] 556 | |             *g += 1;
[INFO] [stdout] 557 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/std/sync/mutex.rs:565:9
[INFO] [stdout]     |
[INFO] [stdout] 565 |         unsafe { h1.coroutine().cancel() };
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |         unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/rwlock.rs:366:17
[INFO] [stdout]     |
[INFO] [stdout] 366 |                 go!(f);
[INFO] [stdout]     |                 ------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/rwlock.rs:595:21
[INFO] [stdout]     |
[INFO] [stdout] 595 |               let h = go!(move || {
[INFO] [stdout]     |  _____________________-
[INFO] [stdout] 596 | |                 // tell master that we started
[INFO] [stdout] 597 | |                 tx.send(0).unwrap();
[INFO] [stdout] 598 | |                 // first get the wlock
[INFO] [stdout] ...   |
[INFO] [stdout] 609 | |                 // println!("got cond id={}", i);
[INFO] [stdout] 610 | |             });
[INFO] [stdout]     | |______________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/std/sync/rwlock.rs:632:9
[INFO] [stdout]     |
[INFO] [stdout] 632 |         unsafe { vec[cancel_id - 1].coroutine().cancel() };
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/rwlock.rs:660:13
[INFO] [stdout]     |
[INFO] [stdout] 660 | /             go!(move || {
[INFO] [stdout] 661 | |                 // tell master that we started
[INFO] [stdout] 662 | |                 tx.send(0).unwrap();
[INFO] [stdout] 663 | |                 // first get the rlock
[INFO] [stdout] 664 | |                 let _rlock = rwlock.read().unwrap();
[INFO] [stdout] 665 | |                 tx.send(1).unwrap();
[INFO] [stdout] 666 | |             })
[INFO] [stdout]     | |______________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/std/sync/rwlock.rs:682:9
[INFO] [stdout]     |
[INFO] [stdout] 682 |         unsafe { h.coroutine().cancel() };
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/semphore.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 | /             go!(move || {
[INFO] [stdout] 211 | |                 sem2.wait();
[INFO] [stdout] 212 | |                 tx2.send(i).unwrap();
[INFO] [stdout] 213 | |             });
[INFO] [stdout]     | |______________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/semphore.rs:247:18
[INFO] [stdout]     |
[INFO] [stdout] 247 |           let h1 = go!(move || {
[INFO] [stdout]     |  __________________-
[INFO] [stdout] 248 | |             sem2.wait();
[INFO] [stdout] 249 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/semphore.rs:251:18
[INFO] [stdout]     |
[INFO] [stdout] 251 |           let h2 = go!(move || {
[INFO] [stdout]     |  __________________-
[INFO] [stdout] 252 | |             // let h1 enqueue
[INFO] [stdout] 253 | |             sleep(Duration::from_millis(50));
[INFO] [stdout] 254 | |             sem3.wait();
[INFO] [stdout] 255 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/std/sync/semphore.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 261 |         unsafe { h1.coroutine().cancel() };
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/semphore.rs:276:18
[INFO] [stdout]     |
[INFO] [stdout] 276 |           let h1 = go!(move || {
[INFO] [stdout]     |  __________________-
[INFO] [stdout] 277 | |             let r = sem2.wait_timeout(Duration::from_millis(10));
[INFO] [stdout] 278 | |             assert_eq!(r, false);
[INFO] [stdout] 279 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/semphore.rs:281:18
[INFO] [stdout]     |
[INFO] [stdout] 281 |           let h2 = go!(move || {
[INFO] [stdout]     |  __________________-
[INFO] [stdout] 282 | |             // let h1 enqueue
[INFO] [stdout] 283 | |             sleep(Duration::from_millis(50));
[INFO] [stdout] 284 | |             sem3.wait();
[INFO] [stdout] 285 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/sync_flag.rs:185:18
[INFO] [stdout]     |
[INFO] [stdout] 185 |           let h1 = go!(move || {
[INFO] [stdout]     |  __________________-
[INFO] [stdout] 186 | |             flag2.wait();
[INFO] [stdout] 187 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/sync_flag.rs:189:18
[INFO] [stdout]     |
[INFO] [stdout] 189 |           let h2 = go!(move || {
[INFO] [stdout]     |  __________________-
[INFO] [stdout] 190 | |             // let h1 enqueue
[INFO] [stdout] 191 | |             sleep(Duration::from_millis(50));
[INFO] [stdout] 192 | |             flag3.wait();
[INFO] [stdout] 193 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/std/sync/sync_flag.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |         unsafe { h1.coroutine().cancel() };
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/sync_flag.rs:214:18
[INFO] [stdout]     |
[INFO] [stdout] 214 |           let h1 = go!(move || {
[INFO] [stdout]     |  __________________-
[INFO] [stdout] 215 | |             let r = flag2.wait_timeout(Duration::from_millis(10));
[INFO] [stdout] 216 | |             assert_eq!(r, false);
[INFO] [stdout] 217 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/sync_flag.rs:219:18
[INFO] [stdout]     |
[INFO] [stdout] 219 |           let h2 = go!(move || {
[INFO] [stdout]     |  __________________-
[INFO] [stdout] 220 | |             // let h1 enqueue
[INFO] [stdout] 221 | |             sleep(Duration::from_millis(50));
[INFO] [stdout] 222 | |             flag3.wait();
[INFO] [stdout] 223 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/macros.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/std/sync/once.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |             go!(move ||{unsafe {run(oc,o,s);}});
[INFO] [stdout]    |             ----------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/channel.rs:461:9
[INFO] [stdout]     |
[INFO] [stdout] 461 | /         go!(move ||{
[INFO] [stdout] 462 | |             tx.send(1);
[INFO] [stdout] 463 | |             drop(wg_clone);
[INFO] [stdout] 464 | |             let now = std::time::Instant::now();
[INFO] [stdout] ...   |
[INFO] [stdout] 467 | |             *l = now.elapsed();
[INFO] [stdout] 468 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/channel.rs:520:18
[INFO] [stdout]     |
[INFO] [stdout] 520 |           let _t = go!(move || {
[INFO] [stdout]     |  __________________-
[INFO] [stdout] 521 | |             tx.send(1).unwrap();
[INFO] [stdout] 522 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/channel.rs:554:18
[INFO] [stdout]     |
[INFO] [stdout] 554 |           let _t = go!(move || {
[INFO] [stdout]     |  __________________-
[INFO] [stdout] 555 | |             rx.recv().unwrap();
[INFO] [stdout] 556 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/channel.rs:589:18
[INFO] [stdout]     |
[INFO] [stdout] 589 |           let _t = go!(move || {
[INFO] [stdout]     |  __________________-
[INFO] [stdout] 590 | |             tx.send(1).unwrap();
[INFO] [stdout] 591 | |             tx.send(1).unwrap();
[INFO] [stdout] 592 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/channel.rs:628:13
[INFO] [stdout]     |
[INFO] [stdout] 628 | /             go!(move || for _ in 0..AMT {
[INFO] [stdout] 629 | |                 tx.send(1).unwrap();
[INFO] [stdout] 630 | |             });
[INFO] [stdout]     | |______________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/channel.rs:640:18
[INFO] [stdout]     |
[INFO] [stdout] 640 |           let t1 = go!(move || {
[INFO] [stdout]     |  __________________-
[INFO] [stdout] 641 | |             tx1.send(()).unwrap();
[INFO] [stdout] 642 | |             for _ in 0..40 {
[INFO] [stdout] 643 | |                 let r = rx2.recv();
[INFO] [stdout] 644 | |                 assert_eq!(r.unwrap(), 1);
[INFO] [stdout] 645 | |             }
[INFO] [stdout] 646 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/channel.rs:648:18
[INFO] [stdout]     |
[INFO] [stdout] 648 |           let t2 = go!(move || for _ in 0..40 {
[INFO] [stdout]     |  __________________-
[INFO] [stdout] 649 | |             tx2.send(1).unwrap();
[INFO] [stdout] 650 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/channel.rs:677:18
[INFO] [stdout]     |
[INFO] [stdout] 677 |           let t2 = go!(move || {
[INFO] [stdout]     |  __________________-
[INFO] [stdout] 678 | |             tx1.send(1).unwrap();
[INFO] [stdout] 679 | |             assert_eq!(rx2.recv().unwrap(), 2);
[INFO] [stdout] 680 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/sync/channel.rs:710:19
[INFO] [stdout]     |
[INFO] [stdout] 710 |           let res = go!(move || {
[INFO] [stdout]     |  ___________________-
[INFO] [stdout] 711 | |             let (tx, rx) = channel::<i32>();
[INFO] [stdout] 712 | |             drop(tx);
[INFO] [stdout] 713 | |             rx.recv().unwrap();
[INFO] [stdout] 714 | |         })
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/time/tick.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 | /         go!(move ||{
[INFO] [stdout] 142 | |              for x in tclone.as_ref() {
[INFO] [stdout] 143 | |                println!("tick {}", x);
[INFO] [stdout] 144 | |             }
[INFO] [stdout] 145 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/map/hash_map.rs:483:13
[INFO] [stdout]     |
[INFO] [stdout] 483 | /             go!(move ||{
[INFO] [stdout] 484 | |                  m1.remove(&1);
[INFO] [stdout] 485 | |                  let insert = m1.insert(1, 2);
[INFO] [stdout] 486 | |                  drop(wg1);
[INFO] [stdout] 487 | |             });
[INFO] [stdout]     | |______________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/map/hash_map.rs:488:13
[INFO] [stdout]     |
[INFO] [stdout] 488 | /             go!(move ||{
[INFO] [stdout] 489 | |                  m2.remove(&1);
[INFO] [stdout] 490 | |                  let insert = m2.insert(1, 2);
[INFO] [stdout] 491 | |                  drop(wg2);
[INFO] [stdout] 492 | |             });
[INFO] [stdout]     | |______________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/map/hash_map.rs:506:13
[INFO] [stdout]     |
[INFO] [stdout] 506 | /             go!(move ||{
[INFO] [stdout] 507 | |                  for i in 0..10000{
[INFO] [stdout] 508 | |                      m1.remove(&i);
[INFO] [stdout] 509 | |                      let insert = m1.insert(i, i);
[INFO] [stdout] 510 | |                  }
[INFO] [stdout] 511 | |                  drop(wg1);
[INFO] [stdout] 512 | |             });
[INFO] [stdout]     | |______________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/map/hash_map.rs:513:13
[INFO] [stdout]     |
[INFO] [stdout] 513 | /             go!(move ||{
[INFO] [stdout] 514 | |                  for i in 0..10000{
[INFO] [stdout] 515 | |                      m2.remove(&i);
[INFO] [stdout] 516 | |                      let insert = m2.insert(i, i);
[INFO] [stdout] 517 | |                  }
[INFO] [stdout] 518 | |                  drop(wg2);
[INFO] [stdout] 519 | |             });
[INFO] [stdout]     | |______________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/map/hash_map.rs:612:13
[INFO] [stdout]     |
[INFO] [stdout] 612 | /             go!(move ||{
[INFO] [stdout] 613 | |                 let insert = m.insert(i, i);
[INFO] [stdout] 614 | |                 let g = m.get(&i).unwrap();
[INFO] [stdout] 615 | |                 assert_eq!(i, *g.deref());
[INFO] [stdout] 616 | |                 drop(wg);
[INFO] [stdout] 617 | |                 println!("done{}",i);
[INFO] [stdout] 618 | |             });
[INFO] [stdout]     | |______________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/map/hash_map.rs:619:13
[INFO] [stdout]     |
[INFO] [stdout] 619 | /             go!(move ||{
[INFO] [stdout] 620 | |                  let g = m2.remove(&i);
[INFO] [stdout] 621 | |                   if g.is_some(){
[INFO] [stdout] 622 | |                   println!("done remove {}",i);
[INFO] [stdout] 623 | |                   drop(wg2);} });
[INFO] [stdout]     | |________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/map/hash_map.rs:636:13
[INFO] [stdout]     |
[INFO] [stdout] 636 | /             go!(move ||{
[INFO] [stdout] 637 | |                 let insert = m.insert(i, i);
[INFO] [stdout] 638 | |                 let g = m.get(&i).unwrap();
[INFO] [stdout] 639 | |                 assert_eq!(i, *g.deref());
[INFO] [stdout] 640 | |                 drop(wg);
[INFO] [stdout] 641 | |                 println!("done{}",i);
[INFO] [stdout] 642 | |             });
[INFO] [stdout]     | |______________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/map/hash_map.rs:645:13
[INFO] [stdout]     |
[INFO] [stdout] 645 | /             go!(move ||{
[INFO] [stdout] 646 | |                  let g = m2.remove(&i);
[INFO] [stdout] 647 | |                  drop(wg2);
[INFO] [stdout] 648 | |             });
[INFO] [stdout]     | |______________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/map/btree_map.rs:460:13
[INFO] [stdout]     |
[INFO] [stdout] 460 | /             go!(move ||{
[INFO] [stdout] 461 | |                  m1.remove(&1);
[INFO] [stdout] 462 | |                  let insert = m1.insert(1, 2);
[INFO] [stdout] 463 | |                  drop(wg1);
[INFO] [stdout] 464 | |             });
[INFO] [stdout]     | |______________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/map/btree_map.rs:465:13
[INFO] [stdout]     |
[INFO] [stdout] 465 | /             go!(move ||{
[INFO] [stdout] 466 | |                  m2.remove(&1);
[INFO] [stdout] 467 | |                  let insert = m2.insert(1, 2);
[INFO] [stdout] 468 | |                  drop(wg2);
[INFO] [stdout] 469 | |             });
[INFO] [stdout]     | |______________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/lazy/imp_std.rs:279:13
[INFO] [stdout]     |
[INFO] [stdout] 279 | /             go!(move || {
[INFO] [stdout] 280 | |                 for _ in 0..4 {
[INFO] [stdout] 281 | |                     crate::coroutine::yield_now();
[INFO] [stdout] 282 | |                 }
[INFO] [stdout] ...   |
[INFO] [stdout] 290 | |                 tx.send(()).unwrap();
[INFO] [stdout] 291 | |             });
[INFO] [stdout]     | |______________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/lazy/imp_std.rs:341:18
[INFO] [stdout]     |
[INFO] [stdout] 341 |           let t1 = go!(move || {
[INFO] [stdout]     |  __________________-
[INFO] [stdout] 342 | |             O.init(|| {
[INFO] [stdout] 343 | |                 tx1.send(()).unwrap();
[INFO] [stdout] 344 | |                 rx2.recv().unwrap();
[INFO] [stdout] 345 | |             });
[INFO] [stdout] 346 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stdout]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/std/lazy/imp_std.rs:351:18
[INFO] [stdout]     |
[INFO] [stdout] 351 |           let t2 = go!(|| {
[INFO] [stdout]     |  __________________-
[INFO] [stdout] 352 | |             let mut called = false;
[INFO] [stdout] 353 | |             O.init(|| {
[INFO] [stdout] 354 | |                 called = true;
[INFO] [stdout] 355 | |             });
[INFO] [stdout] 356 | |             assert!(!called);
[INFO] [stdout] 357 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `context`
[INFO] [stdout]   --> src/std/context/mod.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     context: Option<Box<dyn Context>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/std/sync/channel.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn new() -> MPMCBuffer<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reader`
[INFO] [stdout]   --> src/std/io/io.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub reader: R,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/std/sync/once.rs:83:20
[INFO] [stdout]    |
[INFO] [stdout] 83 |             panic!(format!("once failed inside run: {} is not 1", o.value()));
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 83 -             panic!(format!("once failed inside run: {} is not 1", o.value()));
[INFO] [stdout] 83 +             panic!("once failed inside run: {} is not 1", o.value());
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/std/sync/once.rs:105:20
[INFO] [stdout]     |
[INFO] [stdout] 105 |             panic!(format!("once failed outside run: {} is not 1", one.value()));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 105 -             panic!(format!("once failed outside run: {} is not 1", one.value()));
[INFO] [stdout] 105 +             panic!("once failed outside run: {} is not 1", one.value());
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/join.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |             w.unpark();
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/join.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 w.unpark();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/park.rs:271:13
[INFO] [stdout]     |
[INFO] [stdout] 271 |             unsafe { cancel.cancel() };
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/sleep.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/coroutine_impl.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |         self.inner.cancel.cancel();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/cqueue.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |             w.unpark();
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/cqueue.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |             w.unpark();
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/cqueue.rs:264:25
[INFO] [stdout]     |
[INFO] [stdout] 264 |                         w.unpark();
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/context/mod.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |             self.send.send(());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/blocking/mod.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             send_e.send(Err(e));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/blocking/mod.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         s.send(Ok(f()));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/io/sys/unix/wait_io.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/sync/condvar.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 self.notify_one();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/sync/condvar.rs:83:21
[INFO] [stdout]    |
[INFO] [stdout] 83 |                     self.notify_one();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/sync/mutex.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 | /             self.to_wake
[INFO] [stdout] 75 | |                 .pop()
[INFO] [stdout] 76 | |                 .map(|w| self.unpark_one(&w))
[INFO] [stdout] 77 | |                 .expect("got null blocker!");
[INFO] [stdout]    | |_____________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/sync/rwlock.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 | /             self.to_wake
[INFO] [stdout] 87 | |                 .pop()
[INFO] [stdout] 88 | |                 .map(|w| self.unpark_one(&w))
[INFO] [stdout] 89 | |                 .expect("got null blocker!");
[INFO] [stdout]    | |_____________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/rwlock.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 | /             self.to_wake
[INFO] [stdout] 134 | |                 .pop()
[INFO] [stdout] 135 | |                 .map(|w| self.unpark_one(&w))
[INFO] [stdout] 136 | |                 .expect("got null blocker!");
[INFO] [stdout]     | |_____________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/sync/sync_flag.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |             self.wakeup_all();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/sync_flag.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         self.wakeup_all();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/wait_group.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |             self.inner.cvar.notify_all();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/io/stream_chan.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             s.send(Some(Err(e)));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/io/stream_chan.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         s.send(None);
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `ErrShortWrite` should have an upper case name
[INFO] [stdout]  --> src/std/io/io.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub static ErrShortWrite: Lazy<Error> = Lazy::new(|| err!("short write"));
[INFO] [stdout]   |            ^^^^^^^^^^^^^ help: convert the identifier to upper case: `ERR_SHORT_WRITE`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `errInvalidWrite` should have an upper case name
[INFO] [stdout]   --> src/std/io/io.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub static errInvalidWrite: Lazy<Error> = Lazy::new(|| err!("invalid write result"));
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `ERR_INVALID_WRITE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `ErrShortBuffer` should have an upper case name
[INFO] [stdout]   --> src/std/io/io.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub static ErrShortBuffer: Lazy<Error> = Lazy::new(|| err!("short buffer"));
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `ERR_SHORT_BUFFER`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `ErrUnexpectedEOF` should have an upper case name
[INFO] [stdout]   --> src/std/io/io.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub static ErrUnexpectedEOF: Lazy<Error> = Lazy::new(|| err!("unexpected EOF"));
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `ERR_UNEXPECTED_EOF`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `ErrNoProgress` should have an upper case name
[INFO] [stdout]   --> src/std/io/io.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub static ErrNoProgress: Lazy<Error> = Lazy::new(|| err!("multiple Read calls return no data or error"));
[INFO] [stdout]    |            ^^^^^^^^^^^^^ help: convert the identifier to upper case: `ERR_NO_PROGRESS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/time/tick.rs:59:25
[INFO] [stdout]    |
[INFO] [stdout] 59 |                         s.send(Time::now());
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TimeFormat` should have an upper case name
[INFO] [stdout]   --> src/std/time/time.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub const TimeFormat: &'static str = "[weekday repr:short], [day] [month repr:short] [year] [hour]:[minute]:[second] GMT";
[INFO] [stdout]    |           ^^^^^^^^^^ help: convert the identifier to upper case: `TIME_FORMAT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RFC3339Second` should have an upper case name
[INFO] [stdout]   --> src/std/time/time.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub const RFC3339Second: &'static str = "[year]-[month]-[day]T[hour]:[minute]:[second]";
[INFO] [stdout]    |           ^^^^^^^^^^^^^ help: convert the identifier to upper case: `RFC3339_SECOND`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RFC3339Nano` should have an upper case name
[INFO] [stdout]   --> src/std/time/time.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub const RFC3339Nano: &'static str = "[year]-[month]-[day]T[hour]:[minute]:[second].[subsecond][offset_hour sign:mandatory]:[offset_minu...
[INFO] [stdout]    |           ^^^^^^^^^^^ help: convert the identifier to upper case: `RFC3339_NANO`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `longDayNames` should have an upper case name
[INFO] [stdout]  --> src/std/time/format.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub static longDayNames: Lazy<Vec<&str>> = Lazy::new(|| {
[INFO] [stdout]   |            ^^^^^^^^^^^^ help: convert the identifier to upper case: `LONG_DAY_NAMES`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `shortDayNames` should have an upper case name
[INFO] [stdout]   --> src/std/time/format.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub static shortDayNames: Lazy<Vec<&str>> = Lazy::new(|| {
[INFO] [stdout]    |            ^^^^^^^^^^^^^ help: convert the identifier to upper case: `SHORT_DAY_NAMES`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `shortMonthNames` should have an upper case name
[INFO] [stdout]   --> src/std/time/format.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub static shortMonthNames: Lazy<Vec<&str>> = Lazy::new(|| {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `SHORT_MONTH_NAMES`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `longMonthNames` should have an upper case name
[INFO] [stdout]   --> src/std/time/format.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub static longMonthNames: Lazy<Vec<&str>> = Lazy::new(|| {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `LONG_MONTH_NAMES`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/lazy/imp_std.rs:216:13
[INFO] [stdout]     |
[INFO] [stdout] 216 |             node.p.park(None);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/lazy/imp_std.rs:233:17
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 (*queue).p.unpark();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/lazy/imp_std.rs:240:21
[INFO] [stdout]     |
[INFO] [stdout] 240 |                     (*next).p.unpark();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/io/sys/unix/net/socket_read.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/io/sys/unix/net/tcp_listener_accpet.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/sys/unix/net/tcp_stream_connect.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |             unsafe { cancel.cancel() };
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/io/sys/unix/net/udp_recv_from.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/io/sys/unix/net/unix_listener_accpet.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/io/sys/unix/net/unix_recv_from.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             unsafe { cancel.cancel() };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/sys/unix/net/unix_stream_connect.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |             unsafe { cancel.cancel() };
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/queue/array_queue.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         q.push(1);
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/queue/array_queue.rs:485:9
[INFO] [stdout]     |
[INFO] [stdout] 485 |         q.push(2);
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/queue/array_queue.rs:486:9
[INFO] [stdout]     |
[INFO] [stdout] 486 |         q.push(3);
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/condvar.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |         c.notify_one();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/condvar.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 213 |         c.notify_all();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/condvar.rs:226:13
[INFO] [stdout]     |
[INFO] [stdout] 226 |             c2.notify_one();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/condvar.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 261 |         cond.notify_all();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/condvar.rs:281:13
[INFO] [stdout]     |
[INFO] [stdout] 281 |             c2.notify_one();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/condvar.rs:301:13
[INFO] [stdout]     |
[INFO] [stdout] 301 |             c2.notify_one();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/condvar.rs:358:9
[INFO] [stdout]     |
[INFO] [stdout] 358 |         cond.notify_all();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/mutex.rs:394:13
[INFO] [stdout]     |
[INFO] [stdout] 394 |             cvar.notify_one();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/mutex.rs:416:13
[INFO] [stdout]     |
[INFO] [stdout] 416 |             cvar.notify_one();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/rwlock.rs:639:13
[INFO] [stdout]     |
[INFO] [stdout] 639 |             cond.notify_all();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/sync/once.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         s.send(true);
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/once.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             r.recv();
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/once.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 | /         catch_unwind(|| {
[INFO] [stdout] 113 | |             once.r#do(|| {
[INFO] [stdout] 114 | |                 panic!("failed");
[INFO] [stdout] 115 | |             });
[INFO] [stdout] 116 | |         });
[INFO] [stdout]     | |___________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/channel.rs:462:13
[INFO] [stdout]     |
[INFO] [stdout] 462 |             tx.send(1);
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/channel.rs:465:13
[INFO] [stdout]     |
[INFO] [stdout] 465 |             tx.send(2);
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/io/stream_chan.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         s.send(Some(Ok(1)));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/io/stream_chan.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         s.send(None);
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/io/stream_chan.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         s.send(Some(Ok(1)));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/io/stream_chan.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         s.send(None);
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/time/tick.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |         t.stop();
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 239 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.01s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/cogo-7b4b64e39a0ce831)
[INFO] [stderr]   Executable tests/channel.rs (/opt/rustwide/target/debug/deps/channel-a6239c5833c49c04)
[INFO] [stderr]   Executable tests/cqueue.rs (/opt/rustwide/target/debug/deps/cqueue-6684802a45730384)
[INFO] [stderr]   Executable tests/lib.rs (/opt/rustwide/target/debug/deps/lib-8549a137f2d496ae)
[INFO] [stderr]   Executable tests/local.rs (/opt/rustwide/target/debug/deps/local-7d3d84890e4573d2)
[INFO] running `Command { std: "docker" "inspect" "9d0dbfe4921698581222019402d7638c5db309e3de9f3c6a2939b0eceb0f613e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d0dbfe4921698581222019402d7638c5db309e3de9f3c6a2939b0eceb0f613e", kill_on_drop: false }`
[INFO] [stdout] 9d0dbfe4921698581222019402d7638c5db309e3de9f3c6a2939b0eceb0f613e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7def053e82481e466cfc8a0ba51f3727a0edf4a73448e3760a6aafabfe7e446b
[INFO] running `Command { std: "docker" "start" "-a" "7def053e82481e466cfc8a0ba51f3727a0edf4a73448e3760a6aafabfe7e446b", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `AtomicBool`, `AtomicU64`
[INFO] [stderr]  --> src/config.rs:4:25
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::atomic::{AtomicBool, AtomicU64, AtomicUsize, Ordering};
[INFO] [stderr]   |                         ^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `smallvec::SmallVec`
[INFO] [stderr]   --> src/io/sys/unix/epoll.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use smallvec::SmallVec;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::atomic::Ordering`
[INFO] [stderr]  --> src/io/sys/unix/cancel.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::sync::atomic::Ordering;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/std/queue/array_queue.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use core::mem::{self, MaybeUninit};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr`
[INFO] [stderr]  --> src/std/sync/atomic_option.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ptr;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AtomicPtr`, `Ordering`
[INFO] [stderr]  --> src/std/sync/atomic_option.rs:4:25
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::atomic::{AtomicPtr, Ordering};
[INFO] [stderr]   |                         ^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/std/sync/atomic_option.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `generator::Generator`
[INFO] [stderr]  --> src/std/sync/atomic_option.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use generator::Generator;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/std/sync/atomic_option.rs:78:24
[INFO] [stderr]    |
[INFO] [stderr] 78 |         match unsafe { (&(*self.inner.borrow().as_ptr())) } {
[INFO] [stderr]    |                        ^                                ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 78 -         match unsafe { (&(*self.inner.borrow().as_ptr())) } {
[INFO] [stderr] 78 +         match unsafe { &(*self.inner.borrow().as_ptr()) } {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::defer`
[INFO] [stderr]  --> src/std/sync/once.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::defer;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::std::sync::Mutex`
[INFO] [stderr]  --> src/std/sync/once.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::std::sync::Mutex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AtomicBool`
[INFO] [stderr]  --> src/std/sync/channel.rs:9:25
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
[INFO] [stderr]   |                         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::mpsc::RecvError`
[INFO] [stderr]  --> src/std/io/stream_chan.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::sync::mpsc::RecvError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::std::errors::Error`
[INFO] [stderr]  --> src/std/io/stream_chan.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::std::errors::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TryStream`
[INFO] [stderr]  --> src/std/io/stream_chan.rs:3:30
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::std::io::{Stream, TryStream};
[INFO] [stderr]   |                              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LockResult`
[INFO] [stderr]  --> src/std/time/tick.rs:2:22
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::sync::{Arc, LockResult};
[INFO] [stderr]   |                      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::mpsc::RecvError`
[INFO] [stderr]  --> src/std/time/tick.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::mpsc::RecvError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sender`
[INFO] [stderr]  --> src/std/time/tick.rs:6:43
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::std::sync::channel::{Receiver, Sender};
[INFO] [stderr]   |                                           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::alloc::Layout`
[INFO] [stderr]  --> src/std/time/time.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::alloc::Layout;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DerefMut`
[INFO] [stderr]  --> src/std/time/time.rs:3:28
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{Add, Deref, DerefMut, Sub};
[INFO] [stderr]   |                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::SystemTime`
[INFO] [stderr]  --> src/std/time/time.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::time::SystemTime;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `time::error::InvalidFormatDescription`
[INFO] [stderr]  --> src/std/time/time.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use time::error::InvalidFormatDescription;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `time::format_description::FormatItem`
[INFO] [stderr]  --> src/std/time/time.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use time::format_description::FormatItem;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BorrowMut`
[INFO] [stderr]  --> src/std/map/hash_map.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stderr]   |                           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr`
[INFO] [stderr]  --> src/std/map/hash_map.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::ptr;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AtomicPtr`, `Ordering`
[INFO] [stderr]  --> src/std/map/hash_map.rs:7:25
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::sync::atomic::{AtomicPtr, Ordering};
[INFO] [stderr]   |                         ^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LockResult`
[INFO] [stderr]  --> src/std/map/hash_map.rs:8:22
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::sync::{Arc, LockResult};
[INFO] [stderr]   |                      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/std/map/hash_map.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]   --> src/std/map/hash_map.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::marker::PhantomData;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashMap`, `hash_map::IntoIter as IntoIter`
[INFO] [stderr]   --> src/std/map/hash_map.rs:13:40
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::collections::{HashMap as Map, hash_map::IntoIter as IntoIter, hash_map::Iter as MapIter, hash_map::IterMut as MapIterMut, HashMap};
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                                              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BorrowMut`
[INFO] [stderr]  --> src/std/map/btree_map.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stderr]   |                           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr`
[INFO] [stderr]  --> src/std/map/btree_map.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::ptr;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AtomicPtr`, `Ordering`
[INFO] [stderr]  --> src/std/map/btree_map.rs:7:25
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::sync::atomic::{AtomicPtr, Ordering};
[INFO] [stderr]   |                         ^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LockResult`
[INFO] [stderr]  --> src/std/map/btree_map.rs:8:22
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::sync::{Arc, LockResult};
[INFO] [stderr]   |                      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/std/map/btree_map.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]   --> src/std/map/btree_map.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::marker::PhantomData;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `btree_map::IntoIter as IntoIter`, `btree_map::IterMut as MapIterMut`
[INFO] [stderr]   --> src/std/map/btree_map.rs:13:41
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::collections::{BTreeMap as Map, btree_map::IntoIter as IntoIter, btree_map::Iter as MapIter, btree_map::IterMut as MapIterMut, Ha...
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Cell`
[INFO] [stderr]  --> src/std/lazy/imp_std.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 |     cell::{Cell, UnsafeCell},
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::coroutine::Coroutine`
[INFO] [stderr]   --> src/std/lazy/imp_std.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use crate::coroutine::Coroutine;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::any::Any`
[INFO] [stderr]  --> src/std/context/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::any::Any;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::UnsafeCell`
[INFO] [stderr]  --> src/std/context/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cell::UnsafeCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/std/context/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::hash::Hash`
[INFO] [stderr]  --> src/std/context/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::hash::Hash;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::atomic::Ordering`
[INFO] [stderr]  --> src/std/context/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::sync::atomic::Ordering;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Result`
[INFO] [stderr]  --> src/std/context/mod.rs:8:33
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::std::errors::{Error, Result};
[INFO] [stderr]   |                                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Mutex`
[INFO] [stderr]   --> src/std/context/mod.rs:11:38
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::std::sync::{AtomicOption, Mutex, Receiver, Sender};
[INFO] [stderr]    |                                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/std/blocking/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::std::errors::Error`
[INFO] [stderr]  --> src/std/blocking/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::std::errors::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]    --> src/std/lazy/mod.rs:325:35
[INFO] [stderr]     |
[INFO] [stderr] 325 | #![cfg_attr(not(feature = "std"), no_std)]
[INFO] [stderr]     |                                   ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/std/context/mod.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let (s, r) = chan!();
[INFO] [stderr]    |          ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/std/context/mod.rs:72:21
[INFO] [stderr]    |
[INFO] [stderr] 72 |         if let Some(v) = self.done.get() {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ret`
[INFO] [stderr]    --> src/io/sys/unix/epoll.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |         let ret = write(unsafe { self.vec.get_unchecked(id) }.evfd, buf);
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/std/io/stream_chan.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 |             Err(e) => {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `capacity`
[INFO] [stderr]   --> src/std/map/btree_map.rs:60:26
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn with_capacity(capacity: usize) -> Self {
[INFO] [stderr]    |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_capacity`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/std/map/hash_map.rs:388:18
[INFO] [stderr]     |
[INFO] [stderr] 388 |     fn into_iter(mut self) -> Self::IntoIter {
[INFO] [stderr]     |                  ----^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]    --> src/std/map/hash_map.rs:395:5
[INFO] [stderr]     |
[INFO] [stderr] 395 |     fn from(arg: Map<K, V>) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] 396 |         Self::from(arg)
[INFO] [stderr]     |         --------------- recursive call site
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/std/map/btree_map.rs:375:18
[INFO] [stderr]     |
[INFO] [stderr] 375 |     fn into_iter(mut self) -> Self::IntoIter {
[INFO] [stderr]     |                  ----^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]    --> src/std/map/btree_map.rs:382:5
[INFO] [stderr]     |
[INFO] [stderr] 382 |     fn from(arg: Map<K, V>) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] 383 |         Self::from(arg)
[INFO] [stderr]     |         --------------- recursive call site
[INFO] [stderr]     |
[INFO] [stderr]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/std/context/mod.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |         for (_, mut v) in self.children.iter_mut() {
[INFO] [stderr]    |                 ----^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/park.rs:271:13
[INFO] [stderr]     |
[INFO] [stderr] 271 |             unsafe { cancel.cancel() };
[INFO] [stderr]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/sleep.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             unsafe { cancel.cancel() };
[INFO] [stderr]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/cqueue.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         unsafe { self.co.cancel() };
[INFO] [stderr]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/cqueue.rs:291:44
[INFO] [stderr]     |
[INFO] [stderr] 291 |                 Some(j) if !j.is_done() => unsafe { j.coroutine().cancel() },
[INFO] [stderr]     |                                            ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/io/sys/unix/net/socket_read.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |             unsafe { cancel.cancel() };
[INFO] [stderr]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/io/sys/unix/net/tcp_listener_accpet.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |             unsafe { cancel.cancel() };
[INFO] [stderr]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/io/sys/unix/net/tcp_stream_connect.rs:125:13
[INFO] [stderr]     |
[INFO] [stderr] 125 |             unsafe { cancel.cancel() };
[INFO] [stderr]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/io/sys/unix/net/udp_recv_from.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |             unsafe { cancel.cancel() };
[INFO] [stderr]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/io/sys/unix/net/unix_listener_accpet.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |             unsafe { cancel.cancel() };
[INFO] [stderr]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/io/sys/unix/net/unix_recv_from.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |             unsafe { cancel.cancel() };
[INFO] [stderr]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/io/sys/unix/net/unix_stream_connect.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |             unsafe { cancel.cancel() };
[INFO] [stderr]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/io/sys/unix/wait_io.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             unsafe { cancel.cancel() };
[INFO] [stderr]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/std/queue/array_queue.rs:119:17
[INFO] [stderr]     |
[INFO] [stderr] 119 |                 unsafe {
[INFO] [stderr]     |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/macros.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/std/time/tick.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |         go!(tick);
[INFO] [stderr]    |         --------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `context`
[INFO] [stderr]   --> src/std/context/mod.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     context: Option<Box<dyn Context>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/std/sync/channel.rs:85:12
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn new() -> MPMCBuffer<T> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `reader`
[INFO] [stderr]   --> src/std/io/io.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub reader: R,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/join.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |             w.unpark();
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/join.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 w.unpark();
[INFO] [stderr]    |                 ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/park.rs:271:13
[INFO] [stderr]     |
[INFO] [stderr] 271 |             unsafe { cancel.cancel() };
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/sleep.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             unsafe { cancel.cancel() };
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/coroutine_impl.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 |         self.inner.cancel.cancel();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/cqueue.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 |             w.unpark();
[INFO] [stderr]     |             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/cqueue.rs:145:13
[INFO] [stderr]     |
[INFO] [stderr] 145 |             w.unpark();
[INFO] [stderr]     |             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/cqueue.rs:264:25
[INFO] [stderr]     |
[INFO] [stderr] 264 |                         w.unpark();
[INFO] [stderr]     |                         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/std/context/mod.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             self.send.send(());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/std/blocking/mod.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |             send_e.send(Err(e));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/std/blocking/mod.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |         s.send(Ok(f()));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/io/sys/unix/wait_io.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             unsafe { cancel.cancel() };
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/std/sync/condvar.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 self.notify_one();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/std/sync/condvar.rs:83:21
[INFO] [stderr]    |
[INFO] [stderr] 83 |                     self.notify_one();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/std/sync/mutex.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 | /             self.to_wake
[INFO] [stderr] 75 | |                 .pop()
[INFO] [stderr] 76 | |                 .map(|w| self.unpark_one(&w))
[INFO] [stderr] 77 | |                 .expect("got null blocker!");
[INFO] [stderr]    | |_____________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/std/sync/rwlock.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 | /             self.to_wake
[INFO] [stderr] 87 | |                 .pop()
[INFO] [stderr] 88 | |                 .map(|w| self.unpark_one(&w))
[INFO] [stderr] 89 | |                 .expect("got null blocker!");
[INFO] [stderr]    | |_____________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/rwlock.rs:133:13
[INFO] [stderr]     |
[INFO] [stderr] 133 | /             self.to_wake
[INFO] [stderr] 134 | |                 .pop()
[INFO] [stderr] 135 | |                 .map(|w| self.unpark_one(&w))
[INFO] [stderr] 136 | |                 .expect("got null blocker!");
[INFO] [stderr]     | |_____________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/std/sync/sync_flag.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |             self.wakeup_all();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/sync_flag.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         self.wakeup_all();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/wait_group.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |             self.inner.cvar.notify_all();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/std/io/stream_chan.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |             s.send(Some(Err(e)));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/std/io/stream_chan.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         s.send(None);
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `ErrShortWrite` should have an upper case name
[INFO] [stderr]  --> src/std/io/io.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub static ErrShortWrite: Lazy<Error> = Lazy::new(|| err!("short write"));
[INFO] [stderr]   |            ^^^^^^^^^^^^^ help: convert the identifier to upper case: `ERR_SHORT_WRITE`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `errInvalidWrite` should have an upper case name
[INFO] [stderr]   --> src/std/io/io.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub static errInvalidWrite: Lazy<Error> = Lazy::new(|| err!("invalid write result"));
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `ERR_INVALID_WRITE`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `ErrShortBuffer` should have an upper case name
[INFO] [stderr]   --> src/std/io/io.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub static ErrShortBuffer: Lazy<Error> = Lazy::new(|| err!("short buffer"));
[INFO] [stderr]    |            ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `ERR_SHORT_BUFFER`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `ErrUnexpectedEOF` should have an upper case name
[INFO] [stderr]   --> src/std/io/io.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub static ErrUnexpectedEOF: Lazy<Error> = Lazy::new(|| err!("unexpected EOF"));
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `ERR_UNEXPECTED_EOF`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `ErrNoProgress` should have an upper case name
[INFO] [stderr]   --> src/std/io/io.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub static ErrNoProgress: Lazy<Error> = Lazy::new(|| err!("multiple Read calls return no data or error"));
[INFO] [stderr]    |            ^^^^^^^^^^^^^ help: convert the identifier to upper case: `ERR_NO_PROGRESS`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/std/time/tick.rs:59:25
[INFO] [stderr]    |
[INFO] [stderr] 59 |                         s.send(Time::now());
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: constant `TimeFormat` should have an upper case name
[INFO] [stderr]   --> src/std/time/time.rs:18:11
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub const TimeFormat: &'static str = "[weekday repr:short], [day] [month repr:short] [year] [hour]:[minute]:[second] GMT";
[INFO] [stderr]    |           ^^^^^^^^^^ help: convert the identifier to upper case: `TIME_FORMAT`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `RFC3339Second` should have an upper case name
[INFO] [stderr]   --> src/std/time/time.rs:20:11
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub const RFC3339Second: &'static str = "[year]-[month]-[day]T[hour]:[minute]:[second]";
[INFO] [stderr]    |           ^^^^^^^^^^^^^ help: convert the identifier to upper case: `RFC3339_SECOND`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `RFC3339Nano` should have an upper case name
[INFO] [stderr]   --> src/std/time/time.rs:24:11
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub const RFC3339Nano: &'static str = "[year]-[month]-[day]T[hour]:[minute]:[second].[subsecond][offset_hour sign:mandatory]:[offset_minu...
[INFO] [stderr]    |           ^^^^^^^^^^^ help: convert the identifier to upper case: `RFC3339_NANO`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `longDayNames` should have an upper case name
[INFO] [stderr]  --> src/std/time/format.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub static longDayNames: Lazy<Vec<&str>> = Lazy::new(|| {
[INFO] [stderr]   |            ^^^^^^^^^^^^ help: convert the identifier to upper case: `LONG_DAY_NAMES`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `shortDayNames` should have an upper case name
[INFO] [stderr]   --> src/std/time/format.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub static shortDayNames: Lazy<Vec<&str>> = Lazy::new(|| {
[INFO] [stderr]    |            ^^^^^^^^^^^^^ help: convert the identifier to upper case: `SHORT_DAY_NAMES`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `shortMonthNames` should have an upper case name
[INFO] [stderr]   --> src/std/time/format.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub static shortMonthNames: Lazy<Vec<&str>> = Lazy::new(|| {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `SHORT_MONTH_NAMES`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `longMonthNames` should have an upper case name
[INFO] [stderr]   --> src/std/time/format.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub static longMonthNames: Lazy<Vec<&str>> = Lazy::new(|| {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `LONG_MONTH_NAMES`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/lazy/imp_std.rs:216:13
[INFO] [stderr]     |
[INFO] [stderr] 216 |             node.p.park(None);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/lazy/imp_std.rs:233:17
[INFO] [stderr]     |
[INFO] [stderr] 233 |                 (*queue).p.unpark();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/lazy/imp_std.rs:240:21
[INFO] [stderr]     |
[INFO] [stderr] 240 |                     (*next).p.unpark();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/io/sys/unix/net/socket_read.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |             unsafe { cancel.cancel() };
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/io/sys/unix/net/tcp_listener_accpet.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |             unsafe { cancel.cancel() };
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/io/sys/unix/net/tcp_stream_connect.rs:125:13
[INFO] [stderr]     |
[INFO] [stderr] 125 |             unsafe { cancel.cancel() };
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/io/sys/unix/net/udp_recv_from.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |             unsafe { cancel.cancel() };
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/io/sys/unix/net/unix_listener_accpet.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |             unsafe { cancel.cancel() };
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/io/sys/unix/net/unix_recv_from.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |             unsafe { cancel.cancel() };
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/io/sys/unix/net/unix_stream_connect.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |             unsafe { cancel.cancel() };
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `defer`
[INFO] [stderr]   --> src/std/sync/once.rs:54:23
[INFO] [stderr]    |
[INFO] [stderr] 54 |     use crate::{chan, defer};
[INFO] [stderr]    |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TryStream`
[INFO] [stderr]   --> src/std/io/stream_chan.rs:55:38
[INFO] [stderr]    |
[INFO] [stderr] 55 |     use crate::std::io::{ChanStream, TryStream};
[INFO] [stderr]    |                                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::ControlFlow`
[INFO] [stderr]   --> src/std/io/stream_chan.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |     use std::ops::ControlFlow;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]    --> src/std/map/hash_map.rs:431:9
[INFO] [stderr]     |
[INFO] [stderr] 431 |     use std::collections::HashMap;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Ordering`
[INFO] [stderr]    --> src/std/map/hash_map.rs:434:29
[INFO] [stderr]     |
[INFO] [stderr] 434 |     use std::sync::atomic::{Ordering};
[INFO] [stderr]     |                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::sleep`
[INFO] [stderr]    --> src/std/map/hash_map.rs:437:9
[INFO] [stderr]     |
[INFO] [stderr] 437 |     use crate::sleep;
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::BTreeMap`
[INFO] [stderr]    --> src/std/map/btree_map.rs:418:9
[INFO] [stderr]     |
[INFO] [stderr] 418 |     use std::collections::BTreeMap;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Ordering`
[INFO] [stderr]    --> src/std/map/btree_map.rs:421:29
[INFO] [stderr]     |
[INFO] [stderr] 421 |     use std::sync::atomic::{Ordering};
[INFO] [stderr]     |                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]    --> src/io/sys/unix/co_io.rs:236:5
[INFO] [stderr]     |
[INFO] [stderr] 236 |     #![feature(test)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]    --> src/std/queue/mpsc_list.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     #![feature(test)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]    --> src/std/queue/mpsc_list_v1.rs:349:5
[INFO] [stderr]     |
[INFO] [stderr] 349 |     #![feature(test)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]    --> src/std/sync/condvar.rs:198:5
[INFO] [stderr]     |
[INFO] [stderr] 198 |     #![feature(test)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]    --> src/std/sync/mutex.rs:251:5
[INFO] [stderr]     |
[INFO] [stderr] 251 |     #![feature(test)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]    --> src/std/sync/rwlock.rs:324:5
[INFO] [stderr]     |
[INFO] [stderr] 324 |     #![feature(test)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]    --> src/std/sync/semphore.rs:174:5
[INFO] [stderr]     |
[INFO] [stderr] 174 |     #![feature(test)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]    --> src/std/sync/sync_flag.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |     #![feature(test)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/std/blocking/mod.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |             panic!("e");
[INFO] [stderr]    |             ----------- any code following this expression is unreachable
[INFO] [stderr] 73 |             return 1;
[INFO] [stderr]    |             ^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/std/sync/once.rs:95:13
[INFO] [stderr]    |
[INFO] [stderr] 95 |         for i in 0..n {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/std/sync/once.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |         for i in 0..n {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/map/hash_map.rs:485:22
[INFO] [stderr]     |
[INFO] [stderr] 485 |                  let insert = m1.insert(1, 2);
[INFO] [stderr]     |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/map/hash_map.rs:490:22
[INFO] [stderr]     |
[INFO] [stderr] 490 |                  let insert = m2.insert(1, 2);
[INFO] [stderr]     |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/map/hash_map.rs:509:26
[INFO] [stderr]     |
[INFO] [stderr] 509 |                      let insert = m1.insert(i, i);
[INFO] [stderr]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/map/hash_map.rs:516:26
[INFO] [stderr]     |
[INFO] [stderr] 516 |                      let insert = m2.insert(i, i);
[INFO] [stderr]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/map/hash_map.rs:527:13
[INFO] [stderr]     |
[INFO] [stderr] 527 |         let insert = m.insert(1, 2);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/map/hash_map.rs:547:13
[INFO] [stderr]     |
[INFO] [stderr] 547 |         let insert = m.insert(1, a);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/map/hash_map.rs:584:13
[INFO] [stderr]     |
[INFO] [stderr] 584 |         let insert = m.insert(1, 2);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/map/hash_map.rs:594:13
[INFO] [stderr]     |
[INFO] [stderr] 594 |         let insert = m.insert(1, 2);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/map/hash_map.rs:613:21
[INFO] [stderr]     |
[INFO] [stderr] 613 |                 let insert = m.insert(i, i);
[INFO] [stderr]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/map/hash_map.rs:637:21
[INFO] [stderr]     |
[INFO] [stderr] 637 |                 let insert = m.insert(i, i);
[INFO] [stderr]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `g`
[INFO] [stderr]    --> src/std/map/hash_map.rs:646:22
[INFO] [stderr]     |
[INFO] [stderr] 646 |                  let g = m2.remove(&i);
[INFO] [stderr]     |                      ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/map/btree_map.rs:462:22
[INFO] [stderr]     |
[INFO] [stderr] 462 |                  let insert = m1.insert(1, 2);
[INFO] [stderr]     |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/map/btree_map.rs:467:22
[INFO] [stderr]     |
[INFO] [stderr] 467 |                  let insert = m2.insert(1, 2);
[INFO] [stderr]     |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/map/btree_map.rs:477:13
[INFO] [stderr]     |
[INFO] [stderr] 477 |         let insert = m.insert(1, 2);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/map/btree_map.rs:485:13
[INFO] [stderr]     |
[INFO] [stderr] 485 |         let insert = m.insert(1, 2);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/map/btree_map.rs:495:13
[INFO] [stderr]     |
[INFO] [stderr] 495 |         let insert = m.insert(1, 2);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/std/io/stream_chan.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let mut c = ChanStream {
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/std/io/stream_chan.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let mut c = ChanStream {
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/std/time/tick.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |         let mut t = Arc::new(Ticker::new(Duration::from_secs(1)));
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/std/time/time.rs:568:13
[INFO] [stderr]     |
[INFO] [stderr] 568 |         let mut now = Time::now();
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]     --> src/macros.rs:10:9
[INFO] [stderr]      |
[INFO] [stderr] 10   |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]      |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]      |
[INFO] [stderr]     ::: src/os/unix/net.rs:1122:22
[INFO] [stderr]      |
[INFO] [stderr] 1122 |           let thread = go!(move || {
[INFO] [stderr]      |  ______________________-
[INFO] [stderr] 1123 | |             let mut stream = or_panic!(listener.accept()).0;
[INFO] [stderr] 1124 | |             let mut buf = [0; 5];
[INFO] [stderr] 1125 | |             or_panic!(stream.read(&mut buf));
[INFO] [stderr] 1126 | |             assert_eq!(&msg1[..], &buf[..]);
[INFO] [stderr] 1127 | |             or_panic!(stream.write_all(msg2));
[INFO] [stderr] 1128 | |         });
[INFO] [stderr]      | |__________- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]     --> src/macros.rs:10:9
[INFO] [stderr]      |
[INFO] [stderr] 10   |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]      |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]      |
[INFO] [stderr]     ::: src/os/unix/net.rs:1150:22
[INFO] [stderr]      |
[INFO] [stderr] 1150 |           let thread = go!(move || {
[INFO] [stderr]      |  ______________________-
[INFO] [stderr] 1151 | |             // s1 must be moved in or the test will hang!
[INFO] [stderr] 1152 | |             let mut buf = [0; 5];
[INFO] [stderr] 1153 | |             or_panic!(s1.read(&mut buf));
[INFO] [stderr] 1154 | |             assert_eq!(&msg1[..], &buf[..]);
[INFO] [stderr] 1155 | |             or_panic!(s1.write_all(msg2));
[INFO] [stderr] 1156 | |         });
[INFO] [stderr]      | |__________- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]     --> src/macros.rs:10:9
[INFO] [stderr]      |
[INFO] [stderr] 10   |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]      |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]      |
[INFO] [stderr]     ::: src/os/unix/net.rs:1175:22
[INFO] [stderr]      |
[INFO] [stderr] 1175 |           let thread = go!(move || {
[INFO] [stderr]      |  ______________________-
[INFO] [stderr] 1176 | |             let mut stream = or_panic!(listener.accept()).0;
[INFO] [stderr] 1177 | |             or_panic!(stream.write_all(msg1));
[INFO] [stderr] 1178 | |             or_panic!(stream.write_all(msg2));
[INFO] [stderr] 1179 | |         });
[INFO] [stderr]      | |__________- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]     --> src/macros.rs:10:9
[INFO] [stderr]      |
[INFO] [stderr] 10   |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]      |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]      |
[INFO] [stderr]     ::: src/os/unix/net.rs:1199:22
[INFO] [stderr]      |
[INFO] [stderr] 1199 |           let thread = go!(move || for stream in listener.incoming().take(2) {
[INFO] [stderr]      |  ______________________-
[INFO] [stderr] 1200 | |             let mut stream = or_panic!(stream);
[INFO] [stderr] 1201 | |             let mut buf = [0];
[INFO] [stderr] 1202 | |             or_panic!(stream.read(&mut buf));
[INFO] [stderr] 1203 | |         });
[INFO] [stderr]      | |__________- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]     --> src/macros.rs:10:9
[INFO] [stderr]      |
[INFO] [stderr] 10   |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]      |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]      |
[INFO] [stderr]     ::: src/os/unix/net.rs:1384:22
[INFO] [stderr]      |
[INFO] [stderr] 1384 |           let thread = go!(move || {
[INFO] [stderr]      |  ______________________-
[INFO] [stderr] 1385 | |             // s1 must be moved in or the test will hang!
[INFO] [stderr] 1386 | |             let mut buf = [0; 5];
[INFO] [stderr] 1387 | |             or_panic!(s1.recv(&mut buf));
[INFO] [stderr] 1388 | |             assert_eq!(&msg1[..], &buf[..]);
[INFO] [stderr] 1389 | |             or_panic!(s1.send(msg2));
[INFO] [stderr] 1390 | |         });
[INFO] [stderr]      | |__________- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/condvar.rs:320:21
[INFO] [stderr]     |
[INFO] [stderr] 320 |               let h = go!(move || {
[INFO] [stderr]     |  _____________________-
[INFO] [stderr] 321 | |                 let &(ref lock, ref cond) = &*data;
[INFO] [stderr] 322 | |                 let mut cnt = lock.lock().unwrap();
[INFO] [stderr] 323 | |                 *cnt += 1;
[INFO] [stderr] ...   |
[INFO] [stderr] 330 | |                 tx.send(()).unwrap();
[INFO] [stderr] 331 | |             });
[INFO] [stderr]     | |______________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/std/sync/condvar.rs:347:13
[INFO] [stderr]     |
[INFO] [stderr] 347 |             unsafe { vec[i].coroutine().cancel() };
[INFO] [stderr]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/mutex.rs:299:13
[INFO] [stderr]     |
[INFO] [stderr] 299 | /             go!(move || {
[INFO] [stderr] 300 | |                 inc(&m2);
[INFO] [stderr] 301 | |                 tx2.send(()).unwrap();
[INFO] [stderr] 302 | |             });
[INFO] [stderr]     | |______________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/mutex.rs:509:18
[INFO] [stderr]     |
[INFO] [stderr] 509 |           let h1 = go!(move || {
[INFO] [stderr]     |  __________________-
[INFO] [stderr] 510 | |             let mut g = mutex2.lock().unwrap();
[INFO] [stderr] 511 | |             *g += 1;
[INFO] [stderr] 512 | |         });
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/mutex.rs:514:18
[INFO] [stderr]     |
[INFO] [stderr] 514 |           let h2 = go!(move || {
[INFO] [stderr]     |  __________________-
[INFO] [stderr] 515 | |             // let h1 enqueue
[INFO] [stderr] 516 | |             sleep(Duration::from_millis(50));
[INFO] [stderr] 517 | |             let mut g = mutex3.lock().unwrap();
[INFO] [stderr] 518 | |             *g += 1;
[INFO] [stderr] 519 | |         });
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/std/sync/mutex.rs:524:9
[INFO] [stderr]     |
[INFO] [stderr] 524 |         unsafe { h1.coroutine().cancel() };
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/mutex.rs:544:18
[INFO] [stderr]     |
[INFO] [stderr] 544 |           let h1 = go!(move || {
[INFO] [stderr]     |  __________________-
[INFO] [stderr] 545 | |             let mut g = mutex2.lock().unwrap();
[INFO] [stderr] 546 | |             // test cancel when holding the mutex
[INFO] [stderr] 547 | |             // this should not be poision
[INFO] [stderr] 548 | |             sleep(Duration::from_secs(10000));
[INFO] [stderr] 549 | |             *g += 1;
[INFO] [stderr] 550 | |         });
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/mutex.rs:552:18
[INFO] [stderr]     |
[INFO] [stderr] 552 |           let h2 = go!(move || {
[INFO] [stderr]     |  __________________-
[INFO] [stderr] 553 | |             // let h1 enqueue
[INFO] [stderr] 554 | |             sleep(Duration::from_millis(50));
[INFO] [stderr] 555 | |             let mut g = mutex3.lock().unwrap();
[INFO] [stderr] 556 | |             *g += 1;
[INFO] [stderr] 557 | |         });
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/std/sync/mutex.rs:565:9
[INFO] [stderr]     |
[INFO] [stderr] 565 |         unsafe { h1.coroutine().cancel() };
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |         unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/rwlock.rs:366:17
[INFO] [stderr]     |
[INFO] [stderr] 366 |                 go!(f);
[INFO] [stderr]     |                 ------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/rwlock.rs:595:21
[INFO] [stderr]     |
[INFO] [stderr] 595 |               let h = go!(move || {
[INFO] [stderr]     |  _____________________-
[INFO] [stderr] 596 | |                 // tell master that we started
[INFO] [stderr] 597 | |                 tx.send(0).unwrap();
[INFO] [stderr] 598 | |                 // first get the wlock
[INFO] [stderr] ...   |
[INFO] [stderr] 609 | |                 // println!("got cond id={}", i);
[INFO] [stderr] 610 | |             });
[INFO] [stderr]     | |______________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/std/sync/rwlock.rs:632:9
[INFO] [stderr]     |
[INFO] [stderr] 632 |         unsafe { vec[cancel_id - 1].coroutine().cancel() };
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/rwlock.rs:660:13
[INFO] [stderr]     |
[INFO] [stderr] 660 | /             go!(move || {
[INFO] [stderr] 661 | |                 // tell master that we started
[INFO] [stderr] 662 | |                 tx.send(0).unwrap();
[INFO] [stderr] 663 | |                 // first get the rlock
[INFO] [stderr] 664 | |                 let _rlock = rwlock.read().unwrap();
[INFO] [stderr] 665 | |                 tx.send(1).unwrap();
[INFO] [stderr] 666 | |             })
[INFO] [stderr]     | |______________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/std/sync/rwlock.rs:682:9
[INFO] [stderr]     |
[INFO] [stderr] 682 |         unsafe { h.coroutine().cancel() };
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/semphore.rs:210:13
[INFO] [stderr]     |
[INFO] [stderr] 210 | /             go!(move || {
[INFO] [stderr] 211 | |                 sem2.wait();
[INFO] [stderr] 212 | |                 tx2.send(i).unwrap();
[INFO] [stderr] 213 | |             });
[INFO] [stderr]     | |______________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/semphore.rs:247:18
[INFO] [stderr]     |
[INFO] [stderr] 247 |           let h1 = go!(move || {
[INFO] [stderr]     |  __________________-
[INFO] [stderr] 248 | |             sem2.wait();
[INFO] [stderr] 249 | |         });
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/semphore.rs:251:18
[INFO] [stderr]     |
[INFO] [stderr] 251 |           let h2 = go!(move || {
[INFO] [stderr]     |  __________________-
[INFO] [stderr] 252 | |             // let h1 enqueue
[INFO] [stderr] 253 | |             sleep(Duration::from_millis(50));
[INFO] [stderr] 254 | |             sem3.wait();
[INFO] [stderr] 255 | |         });
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/std/sync/semphore.rs:261:9
[INFO] [stderr]     |
[INFO] [stderr] 261 |         unsafe { h1.coroutine().cancel() };
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/semphore.rs:276:18
[INFO] [stderr]     |
[INFO] [stderr] 276 |           let h1 = go!(move || {
[INFO] [stderr]     |  __________________-
[INFO] [stderr] 277 | |             let r = sem2.wait_timeout(Duration::from_millis(10));
[INFO] [stderr] 278 | |             assert_eq!(r, false);
[INFO] [stderr] 279 | |         });
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/semphore.rs:281:18
[INFO] [stderr]     |
[INFO] [stderr] 281 |           let h2 = go!(move || {
[INFO] [stderr]     |  __________________-
[INFO] [stderr] 282 | |             // let h1 enqueue
[INFO] [stderr] 283 | |             sleep(Duration::from_millis(50));
[INFO] [stderr] 284 | |             sem3.wait();
[INFO] [stderr] 285 | |         });
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/sync_flag.rs:185:18
[INFO] [stderr]     |
[INFO] [stderr] 185 |           let h1 = go!(move || {
[INFO] [stderr]     |  __________________-
[INFO] [stderr] 186 | |             flag2.wait();
[INFO] [stderr] 187 | |         });
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/sync_flag.rs:189:18
[INFO] [stderr]     |
[INFO] [stderr] 189 |           let h2 = go!(move || {
[INFO] [stderr]     |  __________________-
[INFO] [stderr] 190 | |             // let h1 enqueue
[INFO] [stderr] 191 | |             sleep(Duration::from_millis(50));
[INFO] [stderr] 192 | |             flag3.wait();
[INFO] [stderr] 193 | |         });
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/std/sync/sync_flag.rs:199:9
[INFO] [stderr]     |
[INFO] [stderr] 199 |         unsafe { h1.coroutine().cancel() };
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/sync_flag.rs:214:18
[INFO] [stderr]     |
[INFO] [stderr] 214 |           let h1 = go!(move || {
[INFO] [stderr]     |  __________________-
[INFO] [stderr] 215 | |             let r = flag2.wait_timeout(Duration::from_millis(10));
[INFO] [stderr] 216 | |             assert_eq!(r, false);
[INFO] [stderr] 217 | |         });
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/sync_flag.rs:219:18
[INFO] [stderr]     |
[INFO] [stderr] 219 |           let h2 = go!(move || {
[INFO] [stderr]     |  __________________-
[INFO] [stderr] 220 | |             // let h1 enqueue
[INFO] [stderr] 221 | |             sleep(Duration::from_millis(50));
[INFO] [stderr] 222 | |             flag3.wait();
[INFO] [stderr] 223 | |         });
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/macros.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/std/sync/once.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |             go!(move ||{unsafe {run(oc,o,s);}});
[INFO] [stderr]    |             ----------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/channel.rs:461:9
[INFO] [stderr]     |
[INFO] [stderr] 461 | /         go!(move ||{
[INFO] [stderr] 462 | |             tx.send(1);
[INFO] [stderr] 463 | |             drop(wg_clone);
[INFO] [stderr] 464 | |             let now = std::time::Instant::now();
[INFO] [stderr] ...   |
[INFO] [stderr] 467 | |             *l = now.elapsed();
[INFO] [stderr] 468 | |         });
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/channel.rs:520:18
[INFO] [stderr]     |
[INFO] [stderr] 520 |           let _t = go!(move || {
[INFO] [stderr]     |  __________________-
[INFO] [stderr] 521 | |             tx.send(1).unwrap();
[INFO] [stderr] 522 | |         });
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/channel.rs:554:18
[INFO] [stderr]     |
[INFO] [stderr] 554 |           let _t = go!(move || {
[INFO] [stderr]     |  __________________-
[INFO] [stderr] 555 | |             rx.recv().unwrap();
[INFO] [stderr] 556 | |         });
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/channel.rs:589:18
[INFO] [stderr]     |
[INFO] [stderr] 589 |           let _t = go!(move || {
[INFO] [stderr]     |  __________________-
[INFO] [stderr] 590 | |             tx.send(1).unwrap();
[INFO] [stderr] 591 | |             tx.send(1).unwrap();
[INFO] [stderr] 592 | |         });
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/channel.rs:628:13
[INFO] [stderr]     |
[INFO] [stderr] 628 | /             go!(move || for _ in 0..AMT {
[INFO] [stderr] 629 | |                 tx.send(1).unwrap();
[INFO] [stderr] 630 | |             });
[INFO] [stderr]     | |______________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/channel.rs:640:18
[INFO] [stderr]     |
[INFO] [stderr] 640 |           let t1 = go!(move || {
[INFO] [stderr]     |  __________________-
[INFO] [stderr] 641 | |             tx1.send(()).unwrap();
[INFO] [stderr] 642 | |             for _ in 0..40 {
[INFO] [stderr] 643 | |                 let r = rx2.recv();
[INFO] [stderr] 644 | |                 assert_eq!(r.unwrap(), 1);
[INFO] [stderr] 645 | |             }
[INFO] [stderr] 646 | |         });
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/channel.rs:648:18
[INFO] [stderr]     |
[INFO] [stderr] 648 |           let t2 = go!(move || for _ in 0..40 {
[INFO] [stderr]     |  __________________-
[INFO] [stderr] 649 | |             tx2.send(1).unwrap();
[INFO] [stderr] 650 | |         });
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/channel.rs:677:18
[INFO] [stderr]     |
[INFO] [stderr] 677 |           let t2 = go!(move || {
[INFO] [stderr]     |  __________________-
[INFO] [stderr] 678 | |             tx1.send(1).unwrap();
[INFO] [stderr] 679 | |             assert_eq!(rx2.recv().unwrap(), 2);
[INFO] [stderr] 680 | |         });
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/sync/channel.rs:710:19
[INFO] [stderr]     |
[INFO] [stderr] 710 |           let res = go!(move || {
[INFO] [stderr]     |  ___________________-
[INFO] [stderr] 711 | |             let (tx, rx) = channel::<i32>();
[INFO] [stderr] 712 | |             drop(tx);
[INFO] [stderr] 713 | |             rx.recv().unwrap();
[INFO] [stderr] 714 | |         })
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/time/tick.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 | /         go!(move ||{
[INFO] [stderr] 142 | |              for x in tclone.as_ref() {
[INFO] [stderr] 143 | |                println!("tick {}", x);
[INFO] [stderr] 144 | |             }
[INFO] [stderr] 145 | |         });
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/map/hash_map.rs:483:13
[INFO] [stderr]     |
[INFO] [stderr] 483 | /             go!(move ||{
[INFO] [stderr] 484 | |                  m1.remove(&1);
[INFO] [stderr] 485 | |                  let insert = m1.insert(1, 2);
[INFO] [stderr] 486 | |                  drop(wg1);
[INFO] [stderr] 487 | |             });
[INFO] [stderr]     | |______________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/map/hash_map.rs:488:13
[INFO] [stderr]     |
[INFO] [stderr] 488 | /             go!(move ||{
[INFO] [stderr] 489 | |                  m2.remove(&1);
[INFO] [stderr] 490 | |                  let insert = m2.insert(1, 2);
[INFO] [stderr] 491 | |                  drop(wg2);
[INFO] [stderr] 492 | |             });
[INFO] [stderr]     | |______________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/map/hash_map.rs:506:13
[INFO] [stderr]     |
[INFO] [stderr] 506 | /             go!(move ||{
[INFO] [stderr] 507 | |                  for i in 0..10000{
[INFO] [stderr] 508 | |                      m1.remove(&i);
[INFO] [stderr] 509 | |                      let insert = m1.insert(i, i);
[INFO] [stderr] 510 | |                  }
[INFO] [stderr] 511 | |                  drop(wg1);
[INFO] [stderr] 512 | |             });
[INFO] [stderr]     | |______________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/map/hash_map.rs:513:13
[INFO] [stderr]     |
[INFO] [stderr] 513 | /             go!(move ||{
[INFO] [stderr] 514 | |                  for i in 0..10000{
[INFO] [stderr] 515 | |                      m2.remove(&i);
[INFO] [stderr] 516 | |                      let insert = m2.insert(i, i);
[INFO] [stderr] 517 | |                  }
[INFO] [stderr] 518 | |                  drop(wg2);
[INFO] [stderr] 519 | |             });
[INFO] [stderr]     | |______________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/map/hash_map.rs:612:13
[INFO] [stderr]     |
[INFO] [stderr] 612 | /             go!(move ||{
[INFO] [stderr] 613 | |                 let insert = m.insert(i, i);
[INFO] [stderr] 614 | |                 let g = m.get(&i).unwrap();
[INFO] [stderr] 615 | |                 assert_eq!(i, *g.deref());
[INFO] [stderr] 616 | |                 drop(wg);
[INFO] [stderr] 617 | |                 println!("done{}",i);
[INFO] [stderr] 618 | |             });
[INFO] [stderr]     | |______________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/map/hash_map.rs:619:13
[INFO] [stderr]     |
[INFO] [stderr] 619 | /             go!(move ||{
[INFO] [stderr] 620 | |                  let g = m2.remove(&i);
[INFO] [stderr] 621 | |                   if g.is_some(){
[INFO] [stderr] 622 | |                   println!("done remove {}",i);
[INFO] [stderr] 623 | |                   drop(wg2);} });
[INFO] [stderr]     | |________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/map/hash_map.rs:636:13
[INFO] [stderr]     |
[INFO] [stderr] 636 | /             go!(move ||{
[INFO] [stderr] 637 | |                 let insert = m.insert(i, i);
[INFO] [stderr] 638 | |                 let g = m.get(&i).unwrap();
[INFO] [stderr] 639 | |                 assert_eq!(i, *g.deref());
[INFO] [stderr] 640 | |                 drop(wg);
[INFO] [stderr] 641 | |                 println!("done{}",i);
[INFO] [stderr] 642 | |             });
[INFO] [stderr]     | |______________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/map/hash_map.rs:645:13
[INFO] [stderr]     |
[INFO] [stderr] 645 | /             go!(move ||{
[INFO] [stderr] 646 | |                  let g = m2.remove(&i);
[INFO] [stderr] 647 | |                  drop(wg2);
[INFO] [stderr] 648 | |             });
[INFO] [stderr]     | |______________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/map/btree_map.rs:460:13
[INFO] [stderr]     |
[INFO] [stderr] 460 | /             go!(move ||{
[INFO] [stderr] 461 | |                  m1.remove(&1);
[INFO] [stderr] 462 | |                  let insert = m1.insert(1, 2);
[INFO] [stderr] 463 | |                  drop(wg1);
[INFO] [stderr] 464 | |             });
[INFO] [stderr]     | |______________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/map/btree_map.rs:465:13
[INFO] [stderr]     |
[INFO] [stderr] 465 | /             go!(move ||{
[INFO] [stderr] 466 | |                  m2.remove(&1);
[INFO] [stderr] 467 | |                  let insert = m2.insert(1, 2);
[INFO] [stderr] 468 | |                  drop(wg2);
[INFO] [stderr] 469 | |             });
[INFO] [stderr]     | |______________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/lazy/imp_std.rs:279:13
[INFO] [stderr]     |
[INFO] [stderr] 279 | /             go!(move || {
[INFO] [stderr] 280 | |                 for _ in 0..4 {
[INFO] [stderr] 281 | |                     crate::coroutine::yield_now();
[INFO] [stderr] 282 | |                 }
[INFO] [stderr] ...   |
[INFO] [stderr] 290 | |                 tx.send(()).unwrap();
[INFO] [stderr] 291 | |             });
[INFO] [stderr]     | |______________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/lazy/imp_std.rs:341:18
[INFO] [stderr]     |
[INFO] [stderr] 341 |           let t1 = go!(move || {
[INFO] [stderr]     |  __________________-
[INFO] [stderr] 342 | |             O.init(|| {
[INFO] [stderr] 343 | |                 tx1.send(()).unwrap();
[INFO] [stderr] 344 | |                 rx2.recv().unwrap();
[INFO] [stderr] 345 | |             });
[INFO] [stderr] 346 | |         });
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/macros.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  |           unsafe { $crate::coroutine::spawn($func) }
[INFO] [stderr]     |           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/std/lazy/imp_std.rs:351:18
[INFO] [stderr]     |
[INFO] [stderr] 351 |           let t2 = go!(|| {
[INFO] [stderr]     |  __________________-
[INFO] [stderr] 352 | |             let mut called = false;
[INFO] [stderr] 353 | |             O.init(|| {
[INFO] [stderr] 354 | |                 called = true;
[INFO] [stderr] 355 | |             });
[INFO] [stderr] 356 | |             assert!(!called);
[INFO] [stderr] 357 | |         });
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `go` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/std/sync/once.rs:83:20
[INFO] [stderr]    |
[INFO] [stderr] 83 |             panic!(format!("once failed inside run: {} is not 1", o.value()));
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 83 -             panic!(format!("once failed inside run: {} is not 1", o.value()));
[INFO] [stderr] 83 +             panic!("once failed inside run: {} is not 1", o.value());
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/std/sync/once.rs:105:20
[INFO] [stderr]     |
[INFO] [stderr] 105 |             panic!(format!("once failed outside run: {} is not 1", one.value()));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 105 -             panic!(format!("once failed outside run: {} is not 1", one.value()));
[INFO] [stderr] 105 +             panic!("once failed outside run: {} is not 1", one.value());
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/queue/array_queue.rs:484:9
[INFO] [stderr]     |
[INFO] [stderr] 484 |         q.push(1);
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/queue/array_queue.rs:485:9
[INFO] [stderr]     |
[INFO] [stderr] 485 |         q.push(2);
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/queue/array_queue.rs:486:9
[INFO] [stderr]     |
[INFO] [stderr] 486 |         q.push(3);
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/condvar.rs:212:9
[INFO] [stderr]     |
[INFO] [stderr] 212 |         c.notify_one();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/condvar.rs:213:9
[INFO] [stderr]     |
[INFO] [stderr] 213 |         c.notify_all();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/condvar.rs:226:13
[INFO] [stderr]     |
[INFO] [stderr] 226 |             c2.notify_one();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/condvar.rs:261:9
[INFO] [stderr]     |
[INFO] [stderr] 261 |         cond.notify_all();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/condvar.rs:281:13
[INFO] [stderr]     |
[INFO] [stderr] 281 |             c2.notify_one();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/condvar.rs:301:13
[INFO] [stderr]     |
[INFO] [stderr] 301 |             c2.notify_one();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/condvar.rs:358:9
[INFO] [stderr]     |
[INFO] [stderr] 358 |         cond.notify_all();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/mutex.rs:394:13
[INFO] [stderr]     |
[INFO] [stderr] 394 |             cvar.notify_one();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/mutex.rs:416:13
[INFO] [stderr]     |
[INFO] [stderr] 416 |             cvar.notify_one();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/rwlock.rs:639:13
[INFO] [stderr]     |
[INFO] [stderr] 639 |             cond.notify_all();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/std/sync/once.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         s.send(true);
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/once.rs:102:13
[INFO] [stderr]     |
[INFO] [stderr] 102 |             r.recv();
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/once.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 | /         catch_unwind(|| {
[INFO] [stderr] 113 | |             once.r#do(|| {
[INFO] [stderr] 114 | |                 panic!("failed");
[INFO] [stderr] 115 | |             });
[INFO] [stderr] 116 | |         });
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/channel.rs:462:13
[INFO] [stderr]     |
[INFO] [stderr] 462 |             tx.send(1);
[INFO] [stderr]     |             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/channel.rs:465:13
[INFO] [stderr]     |
[INFO] [stderr] 465 |             tx.send(2);
[INFO] [stderr]     |             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/std/io/stream_chan.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         s.send(Some(Ok(1)));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/std/io/stream_chan.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         s.send(None);
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/std/io/stream_chan.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         s.send(Some(Ok(1)));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/std/io/stream_chan.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |         s.send(None);
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/time/tick.rs:147:9
[INFO] [stderr]     |
[INFO] [stderr] 147 |         t.stop();
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `cogo` (lib) generated 121 warnings
[INFO] [stderr] warning: `cogo` (lib test) generated 239 warnings (121 duplicates)
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> tests/lib.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     unsafe { j.coroutine().cancel() };
[INFO] [stderr]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> tests/lib.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     unsafe { j.coroutine().cancel() };
[INFO] [stderr]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/channel.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |             s1.send(1);
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/channel.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |             s1.send(1);
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `cogo` (test "lib") generated 2 warnings
[INFO] [stderr] warning: `cogo` (test "channel") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cogo-7b4b64e39a0ce831)
[INFO] [stdout] 
[INFO] [stdout] running 158 tests
[INFO] [stdout] test os::unix::net::test::abstract_namespace_not_allowed ... ok
[INFO] [stdout] test os::unix::net::test::datagram_pair ... ok
[INFO] [stdout] test os::unix::net::test::timeouts ... ok
[INFO] [stdout] test os::unix::net::test::try_clone ... ok
[INFO] [stdout] test os::unix::net::test::test_unnamed_unix_datagram ... ok
[INFO] [stdout] test os::unix::net::test::test_unix_datagram ... ok
[INFO] [stdout] test std::io::stream_chan::test::test_foreach ... ok
[INFO] [stdout] test std::blocking::test::test_spawn_blocking ... ok
[INFO] [stdout] test std::blocking::test::test_spawn_panic ... ok
[INFO] [stdout] test os::unix::net::test::pair ... ok
[INFO] [stdout] test os::unix::net::test::test_connect_unix_datagram ... ok
[INFO] [stdout] test os::unix::net::test::test_unix_datagram_recv ... ok
[INFO] [stdout] test std::lazy::imp::tests::smoke_once ... ok
[INFO] [stdout] test std::lazy::imp::tests::test_size ... ok
[INFO] [stdout] test std::map::btree_map::test::test_empty ... ok
[INFO] [stdout] test os::unix::net::test::long_path ... ok
[INFO] [stdout] test std::lazy::imp::tests::stampede_once ... ok
[INFO] [stdout] test std::lazy::imp::tests::poison_bad ... ok
[INFO] [stdout] test std::io::stream_chan::test::test_map ... ok
[INFO] [stdout] test os::unix::net::test::iter ... ok
[INFO] [stdout] test std::map::btree_map::test::test_get ... ok
[INFO] [stdout] test std::map::btree_map::test::test_insert ... ok
[INFO] [stdout] test std::map::btree_map::test::test_insert2 ... ok
[INFO] [stdout] test std::map::hash_map::test::test_insert ... ok
[INFO] [stdout] test std::map::hash_map::test::test_get ... ok
[INFO] [stdout] test std::map::btree_map::test::test_iter_mut ... ok
[INFO] [stdout] test std::map::hash_map::test::test_debug ... ok
[INFO] [stdout] test std::map::hash_map::test::test_empty ... ok
[INFO] [stdout] test std::map::btree_map::test::test_iter ... ok
[INFO] [stdout] test std::lazy::imp::tests::wait_for_force_to_finish ... ok
[INFO] [stdout] test std::map::hash_map::test::test_insert2 ... ok
[INFO] [stdout] test std::map::hash_map::test::test_remove ... ok
[INFO] [stdout] test os::unix::net::test::basic ... ok
[INFO] [stdout] test std::queue::array_queue::test::test_insert ... ok
[INFO] [stdout] test std::queue::mpsc_list::tests::test_queue ... ok
[INFO] [stdout] test std::map::hash_map::test::test_iter ... ok
[INFO] [stdout] test std::queue::mpsc_list_v1::tests::test_queue ... ok
[INFO] [stdout] test std::map::hash_map::test::test_iter_mut ... ok
[INFO] [stdout] test std::sync::channel::tests::chan_gone_concurrent ... ok
[INFO] [stdout] test std::sync::channel::tests::drop_full ... ok
[INFO] [stdout] test std::sync::channel::tests::drop_full_shared ... ok
[INFO] [stdout] test std::sync::channel::tests::no_runtime ... ok
[INFO] [stdout] test std::queue::mpsc_list_v1::tests::test ... ok
[INFO] [stdout] test std::sync::channel::tests::destroy_upgraded_shared_port_when_sender_still_active ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_multi_task_recv_then_send ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_multi_thread_close_stress ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_multi_task_recv_then_close ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_multi_thread_recv_close_stress ... ok
[INFO] [stdout] test std::queue::mpsc_list::tests::test ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_close_chan_first ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_close_port_first ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_peek_close ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_peek_open ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_multi_thread_send_recv_stress ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_peek_data ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_try_recv_closed ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_try_recv_open ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_send_port_close ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_send_then_recv ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_try_send_open ... ok
[INFO] [stdout] test std::sync::channel::tests::port_gone_concurrent1 ... ok
[INFO] [stdout] test std::sync::channel::tests::port_gone_concurrent ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_multi_thread_send_close_stress ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_recv_timeout ... ok
[INFO] [stdout] test std::sync::channel::tests::recv_from_outside_runtime ... ok
[INFO] [stdout] test std::sync::channel::tests::recv_timeout_upgrade ... ok
[INFO] [stdout] test std::sync::channel::tests::smoke ... ok
[INFO] [stdout] test std::sync::channel::tests::smoke_chan_gone ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_recv_chan_close ... ok
[INFO] [stdout] test std::sync::channel::tests::shared_recv_timeout ... ok
[INFO] [stdout] test std::sync::channel::tests::recv_a_lot ... ok
[INFO] [stdout] test std::sync::channel::tests::smoke_shared ... ok
[INFO] [stdout] test std::sync::channel::tests::smoke_port_gone ... ok
[INFO] [stdout] test std::sync::channel::tests::smoke_shared_port_gone2 ... ok
[INFO] [stdout] test std::sync::channel::tests::smoke_threads ... ok
[INFO] [stdout] test std::sync::channel::tests::stream_send_recv_stress ... ok
[INFO] [stdout] test std::sync::channel::tests::stress_mutli_recv ... ok
[INFO] [stdout] test std::sync::channel::tests::stress ... ok
[INFO] [stdout] test std::sync::channel::tests::smoke_chan_gone_shared ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_try_send_closed ... ok
[INFO] [stdout] test std::sync::channel::tests::send_from_outside_runtime ... ok
[INFO] [stdout] test std::sync::channel::tests::test_nested_recv_iter ... ok
[INFO] [stdout] test std::sync::channel::tests::port_gone_concurrent_shared ... ok
[INFO] [stdout] test std::sync::channel::tests::smoke_coroutine ... ok
[INFO] [stdout] test std::sync::channel::tests::shared_chan_stress ... ok
[INFO] [stdout] test std::sync::channel::tests::test_recv_into_iter_owned ... ok
[INFO] [stdout] test std::sync::channel::tests::test_recv_iter_break ... ok
[INFO] [stdout] test std::sync::channel::tests::try_recv_states ... ok
[INFO] [stdout] test std::sync::channel::tests::test_recv_try_iter ... ok
[INFO] [stdout] test std::sync::condvar::tests::smoke ... ok
[INFO] [stdout] test std::sync::condvar::tests::notify_one ... ok
[INFO] [stdout] test std::sync::condvar::tests::two_mutexes - should panic ... ok
[INFO] [stdout] test std::sync::condvar::tests::test_condvar_canceled ... ok
[INFO] [stdout] test std::sync::channel::tests::test_recv_into_iter_borrowed ... ok
[INFO] [stdout] test std::sync::mutex::tests::smoke ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_arc_condvar_poison ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_get_mut ... ok
[INFO] [stdout] test std::sync::condvar::tests::notify_all ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_into_inner ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_into_inner_drop ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_get_mut_poison ... ok
[INFO] [stdout] test std::sync::condvar::tests::wait_timeout ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_mutex_arc_access_in_unwind ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_into_inner_poison ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_mutex_arc_nested ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_mutex_arc_poison ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_mutex_arc_condvar ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_mutex_unsized ... ok
[INFO] [stdout] test std::sync::mutex::tests::try_lock ... ok
[INFO] [stdout] test std::sync::once::test::test_once ... ok
[INFO] [stdout] test std::sync::once::test::test_once_panic ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_mutex_canceled ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_mutex_canceled_by_other_wait ... ok
[INFO] [stdout] test std::sync::rwlock::tests::smoke ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_get_mut_poison ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_into_inner ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_into_inner_drop ... ok
[INFO] [stdout] test std::sync::channel::tests::stress_recv_timeout_two_threads ... ok
[INFO] [stdout] test std::sync::mutex::tests::lots_and_lots ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_get_mut ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_into_inner_poison ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_rw_arc_no_poison_rr ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_rw_arc_no_poison_rw ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_rw_arc_access_in_unwind ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_rwlock_read_canceled ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_rwlock_try_write ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_rwlock_unsized ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_rwlock_write_canceled ... ok
[INFO] [stdout] test std::sync::semphore::tests::sanity_1 ... ok
[INFO] [stdout] test std::sync::semphore::tests::sanity_2 ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_rw_arc ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_rw_arc_poison_ww ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_rw_arc_poison_wr ... ok
[INFO] [stdout] test std::sync::sync_flag::tests::sanity_test ... ok
[INFO] [stdout] test std::sync::semphore::tests::test_semphore_co_timeout ... ok
[INFO] [stdout] test std::sync::semphore::tests::test_semphore_thread_timeout ... ok
[INFO] [stdout] test std::sync::semphore::tests::test_semphore_canceled ... ok
[INFO] [stdout] test std::sync::sync_flag::tests::test_syncflag_co_timeout ... ok
[INFO] [stdout] test std::sync::rwlock::tests::frob ... ok
[INFO] [stdout] test os::unix::net::test::test_read_with_timeout ... ok
[INFO] [stdout] test std::time::time::test::test_mon ... ok
[INFO] [stdout] test std::sync::sync_flag::tests::test_syncflag_canceled ... ok
[INFO] [stdout] test std::time::time::test::test_smoke ... ok
[INFO] [stdout] test std::time::time::test::test_parse ... ok
[INFO] [stdout] test std::sync::sync_flag::tests::test_syncflag_thread_timeout ... ok
[INFO] [stdout] test std::sync::channel::tests::stress_shared ... ok
[INFO] [stdout] test os::unix::net::test::test_read_timeout ... ok
[INFO] [stdout] test std::sync::channel::tests::stress_recv_timeout_shared ... ok
[INFO] [stdout] test std::map::hash_map::test::test_smoke3 ... ok
[INFO] [stdout] test std::map::hash_map::test::test_smoke2 ... ok
[INFO] [stdout] test std::map::hash_map::test::test_insert4 ... ok
[INFO] [stdout] test std::time::time::test::test_eq ... ok
[INFO] [stdout] test timeout_list::tests::test_timeout_list ... ok
[INFO] [stdout] test std::sync::channel::tests::wait_test ... ok
[INFO] [stdout] test std::time::tick::test::test_tick ... ok
[INFO] [stdout] test std::map::hash_map::test::test_insert3 ... ok
[INFO] [stdout] test std::map::btree_map::test::test_insert3 ... ok
[INFO] [stdout] test std::map::hash_map::test::test_remove2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 158 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 31.32s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/channel.rs (/opt/rustwide/target/debug/deps/channel-a6239c5833c49c04)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test channel_recv ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cqueue.rs (/opt/rustwide/target/debug/deps/cqueue-6684802a45730384)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test cqueue_poll ... ok
[INFO] [stdout] test cqueue_oneshot ... ok
[INFO] [stdout] test cqueue_in_coroutine ... ok
[INFO] [stdout] test cqueue_timeout ... ok
[INFO] [stdout] test cqueue_panic_in_select - should panic ... ok
[INFO] [stdout] test cqueue_loop ... ok
[INFO] [stdout] test cqueue_select ... ok
[INFO] [stdout] test cqueue_drop ... ok
[INFO] [stdout] test cqueue_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-8549a137f2d496ae)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test go_with_macro ... ok
[INFO] [stdout] test one_coroutine ... ok
[INFO] [stdout] test coroutine_result ... ok
[INFO] [stdout] test wait_join ... ok
[INFO] [stdout] test yield_from_gen ... ok
[INFO] [stdout] test scoped_coroutine ... ok
[INFO] [stdout] test test_yield ... ok
[INFO] [stdout] test cancel_io_coroutine ... ok
[INFO] [stdout] test cancel_coroutine ... ok
[INFO] [stdout] test park_timeout ... ok
[INFO] [stdout] test unpark ... ok
[INFO] [stdout] test panic_coroutine ... ok
[INFO] [stdout] test multi_coroutine ... ok
[INFO] [stdout] test multi_yield ... ok
[INFO] [stdout] test spawn_inside ... ok
[INFO] [stdout] test test_sleep ... ok
[INFO] [stdout] test join_macro ... ok
[INFO] [stderr]      Running tests/local.rs (/opt/rustwide/target/debug/deps/local-7d3d84890e4573d2)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test local_in_thread ... ok
[INFO] [stdout] test coroutine_local ... ok
[INFO] [stdout] test coroutine_local_many ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cogo
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/std/sync/atomic_option.rs:78:24
[INFO] [stderr]    |
[INFO] [stderr] 78 |         match unsafe { (&(*self.inner.borrow().as_ptr())) } {
[INFO] [stderr]    |                        ^                                ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 78 -         match unsafe { (&(*self.inner.borrow().as_ptr())) } {
[INFO] [stderr] 78 +         match unsafe { &(*self.inner.borrow().as_ptr()) } {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 111 tests
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixDatagram::peer_addr (line 771) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixDatagram::local_addr (line 752) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixDatagram::recv (line 832) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixDatagram::bind (line 639) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixDatagram (line 609) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixDatagram::connect (line 710) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixDatagram::pair (line 681) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::Incoming (line 567) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixDatagram::read_timeout (line 996) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixDatagram::recv_from (line 790) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixDatagram::set_write_timeout (line 979) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixDatagram::shutdown (line 1061) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixDatagram::set_read_timeout (line 956) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixDatagram::send (line 912) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixDatagram::try_clone (line 736) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixDatagram::send_to (line 871) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixListener::accept (line 398) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixDatagram::unbound (line 659) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixDatagram::take_error (line 1043) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixListener::bind (line 374) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixListener::incoming (line 507) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixDatagram::write_timeout (line 1012) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixListener (line 332) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixListener::local_addr (line 457) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixListener::try_clone (line 441) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixListener::set_nonblocking (line 472) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixStream::connect (line 56) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixListener::take_error (line 487) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixStream (line 20) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixStream::local_addr (line 131) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixStream::peer_addr (line 145) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixStream::set_nonblocking (line 231) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixStream::write_timeout (line 215) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixStream::pair (line 89) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixStream::shutdown (line 265) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixStream::read_timeout (line 199) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixStream::set_read_timeout (line 163) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixStream::try_clone (line 116) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixStream::set_write_timeout (line 183) - compile ... ok
[INFO] [stdout] test src/os/unix/net.rs - os::unix::net::UnixStream::take_error (line 245) - compile ... ok
[INFO] [stdout] test src/coroutine_impl.rs - coroutine_impl::Builder::spawn (line 333) ... ok
[INFO] [stdout] test src/std/lazy/mod.rs - std::lazy (line 208) ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name cogo --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps -L native=/opt/rustwide/target/debug/build/generator-e848fb625ee4a50e/out --extern cogo=/opt/rustwide/target/debug/deps/libcogo-2c1247f5feab9d35.rlib --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-2af28065fe15ebd6.rlib --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-22087eb6124fe7ae.rlib --extern generator=/opt/rustwide/target/debug/deps/libgenerator-1d5b0317a23ab10e.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-8264337ecea83e22.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-028e1763d8d9ef4a.rlib --extern nix=/opt/rustwide/target/debug/deps/libnix-febb2a92b716ed26.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-cf1ceb706270182d.rlib --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-2001554701dc9572.rlib --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-2a15689981a8feae.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-75d1aef85f509bd3.rlib --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-9a9406f60e570d53.rlib --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-596bab791a76cd85.rlib --extern tempdir=/opt/rustwide/target/debug/deps/libtempdir-b72b0736478a7a14.rlib --extern time=/opt/rustwide/target/debug/deps/libtime-4f1f39deb22f5a14.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "7def053e82481e466cfc8a0ba51f3727a0edf4a73448e3760a6aafabfe7e446b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7def053e82481e466cfc8a0ba51f3727a0edf4a73448e3760a6aafabfe7e446b", kill_on_drop: false }`
[INFO] [stdout] 7def053e82481e466cfc8a0ba51f3727a0edf4a73448e3760a6aafabfe7e446b