[INFO] cloning repository https://github.com/VanDerLindeDutch/mini-tokio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VanDerLindeDutch/mini-tokio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVanDerLindeDutch%2Fmini-tokio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVanDerLindeDutch%2Fmini-tokio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3ca4639e5fbe2da6efdf5e27984576325de1827
[INFO] checking VanDerLindeDutch/mini-tokio against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVanDerLindeDutch%2Fmini-tokio" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/VanDerLindeDutch/mini-tokio
[INFO] finished tweaking git repo https://github.com/VanDerLindeDutch/mini-tokio
[INFO] tweaked toml for git repo https://github.com/VanDerLindeDutch/mini-tokio written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/VanDerLindeDutch/mini-tokio on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/VanDerLindeDutch/mini-tokio already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4628c2c0e6de95c15cabe97a3f36d5c3c41d2a7a0aab3236114b2f19550a1dd9
[INFO] running `Command { std: "docker" "start" "-a" "4628c2c0e6de95c15cabe97a3f36d5c3c41d2a7a0aab3236114b2f19550a1dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4628c2c0e6de95c15cabe97a3f36d5c3c41d2a7a0aab3236114b2f19550a1dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4628c2c0e6de95c15cabe97a3f36d5c3c41d2a7a0aab3236114b2f19550a1dd9", kill_on_drop: false }`
[INFO] [stdout] 4628c2c0e6de95c15cabe97a3f36d5c3c41d2a7a0aab3236114b2f19550a1dd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b4da128dbb1340ed36f213dbaef4d1e6950e2ef473998f8f09880ac10802a93
[INFO] running `Command { std: "docker" "start" "-a" "7b4da128dbb1340ed36f213dbaef4d1e6950e2ef473998f8f09880ac10802a93", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking mini-tokio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LazyLock`
[INFO] [stdout]  --> src/main.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::{Arc, LazyLock};
[INFO] [stdout]   |                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read` and `Write`
[INFO] [stdout]  --> src/io/mod.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::ToSocketAddrs`
[INFO] [stdout]  --> src/io/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::ToSocketAddrs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::fd::AsRawFd`
[INFO] [stdout]  --> src/io/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::os::fd::AsRawFd;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::executor::ThreadPool`
[INFO] [stdout]  --> src/io/epoll.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::executor::ThreadPool;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AF_INET` and `SOCK_STREAM`
[INFO] [stdout]  --> src/io/epoll.rs:2:42
[INFO] [stdout]   |
[INFO] [stdout] 2 | use libc::{c_int, epoll_ctl, epoll_wait, AF_INET, EPOLLIN, EPOLLONESHOT, EPOLLOUT, EPOLL_CTL_ADD, EPOLL_CTL_MOD, SOCK_STREAM};
[INFO] [stdout]   |                                          ^^^^^^^                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]  --> src/io/epoll.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::Debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Map`
[INFO] [stdout]  --> src/io/epoll.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::iter::Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SocketAddrV4`, `SocketAddr`, `TcpListener`, and `TcpStream`
[INFO] [stdout]  --> src/io/epoll.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::net::{SocketAddr, SocketAddrV4, TcpListener, TcpStream};
[INFO] [stdout]   |                ^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsRawFd`
[INFO] [stdout]  --> src/io/epoll.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::os::fd::{AsRawFd, RawFd};
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/io/epoll.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::AtomicU64`
[INFO] [stdout]   --> src/io/epoll.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::atomic::AtomicU64;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::Ordering::SeqCst`
[INFO] [stdout]   --> src/io/epoll.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::sync::atomic::Ordering::SeqCst;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read` and `Write`
[INFO] [stdout]  --> src/io/net/mod.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::fd::AsRawFd`
[INFO] [stdout]   --> src/io/net/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::os::fd::AsRawFd;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LazyLock`
[INFO] [stdout]  --> src/main.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::{Arc, LazyLock};
[INFO] [stdout]   |                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read` and `Write`
[INFO] [stdout]  --> src/io/mod.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::ToSocketAddrs`
[INFO] [stdout]  --> src/io/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::ToSocketAddrs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::fd::AsRawFd`
[INFO] [stdout]  --> src/io/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::os::fd::AsRawFd;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::executor::ThreadPool`
[INFO] [stdout]  --> src/io/epoll.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::executor::ThreadPool;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AF_INET` and `SOCK_STREAM`
[INFO] [stdout]  --> src/io/epoll.rs:2:42
[INFO] [stdout]   |
[INFO] [stdout] 2 | use libc::{c_int, epoll_ctl, epoll_wait, AF_INET, EPOLLIN, EPOLLONESHOT, EPOLLOUT, EPOLL_CTL_ADD, EPOLL_CTL_MOD, SOCK_STREAM};
[INFO] [stdout]   |                                          ^^^^^^^                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]  --> src/io/epoll.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::Debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Map`
[INFO] [stdout]  --> src/io/epoll.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::iter::Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SocketAddrV4`, `SocketAddr`, `TcpListener`, and `TcpStream`
[INFO] [stdout]  --> src/io/epoll.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::net::{SocketAddr, SocketAddrV4, TcpListener, TcpStream};
[INFO] [stdout]   |                ^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsRawFd`
[INFO] [stdout]  --> src/io/epoll.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::os::fd::{AsRawFd, RawFd};
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/io/epoll.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::AtomicU64`
[INFO] [stdout]   --> src/io/epoll.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::atomic::AtomicU64;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::Ordering::SeqCst`
[INFO] [stdout]   --> src/io/epoll.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::sync::atomic::Ordering::SeqCst;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read` and `Write`
[INFO] [stdout]  --> src/io/net/mod.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::fd::AsRawFd`
[INFO] [stdout]   --> src/io/net/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::os::fd::AsRawFd;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/executor.rs:54:30
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 while let Ok(mut v) = recv.recv() {
[INFO] [stdout]    |                              ----^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `libc::epoll_ctl` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/io/epoll.rs:75:19
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let res = epoll_ctl(self.epollfd, flag, fd, &mut ev);
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/io/epoll.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub unsafe fn accept(self: Arc<Self>, fd: RawFd, waker: Waker, event: Event) -> Result<(), Error> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]    = note: `#[warn(unsafe_op_in_unsafe_fn)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/io/net/listener.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `er`
[INFO] [stdout]   --> src/io/net/listener.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Err(er) => unsafe {
[INFO] [stdout]    |                 ^^ help: if this is intentional, prefix it with an underscore: `_er`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `M`
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let M = Arc::new(mini_mutex::SimpleMutex::new());
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_M`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let ptr = i.get() as usize;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `q`
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let q = v.iter();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `spawn` is never used
[INFO] [stdout]   --> src/executor.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn spawn() {}
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `wait` is never used
[INFO] [stdout]   --> src/executor.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl ThreadPool {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn wait(&mut self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockingQueue` is never constructed
[INFO] [stdout]  --> src/queue.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct BlockingQueue<T> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ready` and `buf` are never read
[INFO] [stdout]   --> src/mini_mutex.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct SimpleMutex {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 10 |     ready: AtomicU64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     buf: Arc<Mutex<Vec<Waker>>>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Awaiter` is never constructed
[INFO] [stdout]   --> src/mini_mutex.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Awaiter<'a> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `lock` and `unlock` are never used
[INFO] [stdout]   --> src/mini_mutex.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl SimpleMutex {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn  lock(&self) -> Awaiter{
[INFO] [stdout]    |             ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn unlock(&self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lock` is never constructed
[INFO] [stdout]   --> src/mini_mutex.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Lock {}
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `M` should have a snake case name
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let M = Arc::new(mini_mutex::SimpleMutex::new());
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             writer.async_write(to_write.as_bytes()).await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let _ = writer.async_write(to_write.as_bytes()).await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Poll` that must be used
[INFO] [stdout]   --> src/executor.rs:58:21
[INFO] [stdout]    |
[INFO] [stdout] 58 |                     v.fun.lock().unwrap().as_mut().poll(&mut ctx);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Poll` may be a `Pending` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |                     let _ = v.fun.lock().unwrap().as_mut().poll(&mut ctx);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mini_mutex.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn  lock(&self) -> Awaiter{
[INFO] [stdout]    |                  ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn  lock(&self) -> Awaiter<'_>{
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/io/net/listener.rs:53:19
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn accept(&mut self)->TcpListenerAcceptor {
[INFO] [stdout]    |                   ^^^^^^^^^   ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn accept(&mut self)->TcpListenerAcceptor<'_> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `lazy_cell_into_inner` is declared but not used
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(lazy_cell_into_inner)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/executor.rs:54:30
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 while let Ok(mut v) = recv.recv() {
[INFO] [stdout]    |                              ----^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `libc::epoll_ctl` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/io/epoll.rs:75:19
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let res = epoll_ctl(self.epollfd, flag, fd, &mut ev);
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/io/epoll.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub unsafe fn accept(self: Arc<Self>, fd: RawFd, waker: Waker, event: Event) -> Result<(), Error> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]    = note: `#[warn(unsafe_op_in_unsafe_fn)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/io/net/listener.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `er`
[INFO] [stdout]   --> src/io/net/listener.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Err(er) => unsafe {
[INFO] [stdout]    |                 ^^ help: if this is intentional, prefix it with an underscore: `_er`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `M`
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let M = Arc::new(mini_mutex::SimpleMutex::new());
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_M`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let ptr = i.get() as usize;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `q`
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let q = v.iter();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `spawn` is never used
[INFO] [stdout]   --> src/executor.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn spawn() {}
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `wait` is never used
[INFO] [stdout]   --> src/executor.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl ThreadPool {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn wait(&mut self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockingQueue` is never constructed
[INFO] [stdout]  --> src/queue.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct BlockingQueue<T> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ready` and `buf` are never read
[INFO] [stdout]   --> src/mini_mutex.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct SimpleMutex {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 10 |     ready: AtomicU64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     buf: Arc<Mutex<Vec<Waker>>>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Awaiter` is never constructed
[INFO] [stdout]   --> src/mini_mutex.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Awaiter<'a> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `lock` and `unlock` are never used
[INFO] [stdout]   --> src/mini_mutex.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl SimpleMutex {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn  lock(&self) -> Awaiter{
[INFO] [stdout]    |             ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn unlock(&self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lock` is never constructed
[INFO] [stdout]   --> src/mini_mutex.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Lock {}
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `M` should have a snake case name
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let M = Arc::new(mini_mutex::SimpleMutex::new());
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             writer.async_write(to_write.as_bytes()).await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let _ = writer.async_write(to_write.as_bytes()).await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Poll` that must be used
[INFO] [stdout]   --> src/executor.rs:58:21
[INFO] [stdout]    |
[INFO] [stdout] 58 |                     v.fun.lock().unwrap().as_mut().poll(&mut ctx);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Poll` may be a `Pending` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |                     let _ = v.fun.lock().unwrap().as_mut().poll(&mut ctx);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mini_mutex.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn  lock(&self) -> Awaiter{
[INFO] [stdout]    |                  ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn  lock(&self) -> Awaiter<'_>{
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/io/net/listener.rs:53:19
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn accept(&mut self)->TcpListenerAcceptor {
[INFO] [stdout]    |                   ^^^^^^^^^   ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn accept(&mut self)->TcpListenerAcceptor<'_> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `lazy_cell_into_inner` is declared but not used
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(lazy_cell_into_inner)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.44s
[INFO] running `Command { std: "docker" "inspect" "7b4da128dbb1340ed36f213dbaef4d1e6950e2ef473998f8f09880ac10802a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b4da128dbb1340ed36f213dbaef4d1e6950e2ef473998f8f09880ac10802a93", kill_on_drop: false }`
[INFO] [stdout] 7b4da128dbb1340ed36f213dbaef4d1e6950e2ef473998f8f09880ac10802a93
