[INFO] cloning repository https://github.com/hobarak/rustio [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hobarak/rustio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobarak%2Frustio", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobarak%2Frustio'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 96eda294585c48f3761859824ac97dbddd5393e1 [INFO] checking hobarak/rustio against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobarak%2Frustio" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hobarak/rustio on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hobarak/rustio [INFO] finished tweaking git repo https://github.com/hobarak/rustio [INFO] tweaked toml for git repo https://github.com/hobarak/rustio written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/hobarak/rustio already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syn v1.0.19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3bd668cb03084bf81d278626973997fc9813ec6b6442e27590b8c86396f93363 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3bd668cb03084bf81d278626973997fc9813ec6b6442e27590b8c86396f93363", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3bd668cb03084bf81d278626973997fc9813ec6b6442e27590b8c86396f93363", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bd668cb03084bf81d278626973997fc9813ec6b6442e27590b8c86396f93363", kill_on_drop: false }` [INFO] [stdout] 3bd668cb03084bf81d278626973997fc9813ec6b6442e27590b8c86396f93363 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 32fd0315c0e244ea32c64bd00fca8303676a565726c36dea1ba6a2ff84be4134 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "32fd0315c0e244ea32c64bd00fca8303676a565726c36dea1ba6a2ff84be4134", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling syn v1.0.19 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Checking futures-core v0.3.4 [INFO] [stderr] Checking futures-sink v0.3.4 [INFO] [stderr] Checking futures-io v0.3.4 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Checking futures-channel v0.3.4 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking futures-executor v0.3.4 [INFO] [stderr] Checking futures v0.3.4 [INFO] [stderr] Checking rustio v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `AsyncWrite` [INFO] [stdout] --> src/futur.rs:7:26 [INFO] [stdout] | [INFO] [stdout] 7 | use futures::{AsyncRead, AsyncWrite}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cell::RefCell` [INFO] [stdout] --> src/futur.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | cell::RefCell, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsyncWrite` [INFO] [stdout] --> src/futur.rs:7:26 [INFO] [stdout] | [INFO] [stdout] 7 | use futures::{AsyncRead, AsyncWrite}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cell::RefCell` [INFO] [stdout] --> src/futur.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | cell::RefCell, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `runtime` [INFO] [stdout] --> src/futur.rs:65:64 [INFO] [stdout] | [INFO] [stdout] 65 | r.add(p.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `token` [INFO] [stdout] --> src/futur.rs:65:73 [INFO] [stdout] | [INFO] [stdout] 65 | r.add(p.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_token` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `runtime` [INFO] [stdout] --> src/futur.rs:123:67 [INFO] [stdout] | [INFO] [stdout] 123 | r.add(self.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `token` [INFO] [stdout] --> src/futur.rs:123:76 [INFO] [stdout] | [INFO] [stdout] 123 | r.add(self.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_token` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/epoll.rs:123:13 [INFO] [stdout] | [INFO] [stdout] 123 | let mut listener = TcpListener::bind(addr).unwrap(); [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: variable does not need to be mutable [INFO] [stdout] --> src/libuv.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let mut eloop = EventLoop::new().unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `runtime` [INFO] [stdout] --> src/futur.rs:65:64 [INFO] [stdout] | [INFO] [stdout] 65 | r.add(p.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `token` [INFO] [stdout] --> src/futur.rs:65:73 [INFO] [stdout] | [INFO] [stdout] 65 | r.add(p.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_token` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `runtime` [INFO] [stdout] --> src/futur.rs:123:67 [INFO] [stdout] | [INFO] [stdout] 123 | r.add(self.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `token` [INFO] [stdout] --> src/futur.rs:123:76 [INFO] [stdout] | [INFO] [stdout] 123 | r.add(self.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_token` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `Runtime` should have an upper case name [INFO] [stdout] --> src/futur.rs:29:10 [INFO] [stdout] | [INFO] [stdout] 29 | static Runtime: Runtime = Runtime::new(); [INFO] [stdout] | ^^^^^^^ help: convert the identifier to upper case: `RUNTIME` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/epoll.rs:123:13 [INFO] [stdout] | [INFO] [stdout] 123 | let mut listener = TcpListener::bind(addr).unwrap(); [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: variable does not need to be mutable [INFO] [stdout] --> src/libuv.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let mut eloop = EventLoop::new().unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `Runtime` should have an upper case name [INFO] [stdout] --> src/futur.rs:29:10 [INFO] [stdout] | [INFO] [stdout] 29 | static Runtime: Runtime = Runtime::new(); [INFO] [stdout] | ^^^^^^^ help: convert the identifier to upper case: `RUNTIME` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/futur.rs:194:9 [INFO] [stdout] | [INFO] [stdout] 194 | arc_self.task_sender.send(cloned); [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: structure field `currentToken` should have a snake case name [INFO] [stdout] --> src/libuv.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | pub currentToken: Cell, [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `current_token` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `eventLoop` should have a snake case name [INFO] [stdout] --> src/libuv.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | pub eventLoop: EventLoop, [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `event_loop` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/futur.rs:194:9 [INFO] [stdout] | [INFO] [stdout] 194 | arc_self.task_sender.send(cloned); [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: structure field `currentToken` should have a snake case name [INFO] [stdout] --> src/libuv.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | pub currentToken: Cell, [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `current_token` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `eventLoop` should have a snake case name [INFO] [stdout] --> src/libuv.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | pub eventLoop: EventLoop, [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `event_loop` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> tests/libuv.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `FromRawFd`, `RawFd` [INFO] [stdout] --> tests/libuv.rs:6:34 [INFO] [stdout] | [INFO] [stdout] 6 | use std::os::unix::io::{AsRawFd, FromRawFd, RawFd}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AsyncRead`, `AsyncWrite` [INFO] [stdout] --> tests/futur.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use futures::{AsyncRead, AsyncWrite}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Mutex` [INFO] [stdout] --> tests/futur.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `runtime` [INFO] [stdout] --> tests/libuv.rs:16:61 [INFO] [stdout] | [INFO] [stdout] 16 | runtime.add(stream.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `token` [INFO] [stdout] --> tests/libuv.rs:16:70 [INFO] [stdout] | [INFO] [stdout] 16 | runtime.add(stream.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_token` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `token` [INFO] [stdout] --> tests/libuv.rs:14:68 [INFO] [stdout] | [INFO] [stdout] 14 | runtime.add(listener.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_token` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/libuv.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let mut runtime = Runtime::new(); [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: variable does not need to be mutable [INFO] [stdout] --> tests/libuv.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let mut listener = MyTCPListener::bind("127.0.0.1:7879"); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `FromRawFd`, `RawFd` [INFO] [stdout] --> tests/epoll.rs:5:34 [INFO] [stdout] | [INFO] [stdout] 5 | use std::os::unix::io::{AsRawFd, FromRawFd, RawFd}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/futur.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let mut listener = TcpListener::bind("127.0.0.1:7879"); [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: unreachable expression [INFO] [stdout] --> tests/epoll.rs:100:5 [INFO] [stdout] | [INFO] [stdout] 77 | / loop { [INFO] [stdout] 78 | | let events = eloop.wait()?; [INFO] [stdout] 79 | | [INFO] [stdout] 80 | | println!("{:?}", events.len()); [INFO] [stdout] ... | [INFO] [stdout] 98 | | } [INFO] [stdout] 99 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 100 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/epoll.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut eloop = EventLoop::new().unwrap(); [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: variable does not need to be mutable [INFO] [stdout] --> tests/epoll.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut listener = MyTCPListener::bind("127.0.0.1:7878"); [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] --> tests/epoll.rs:62:13 [INFO] [stdout] | [INFO] [stdout] 62 | let mut state = connections.get_mut(&event.token).unwrap(); [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] --> tests/epoll.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | let mut eloop = EventLoop::new()?; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `client` [INFO] [stdout] --> tests/epoll.rs:71:4 [INFO] [stdout] | [INFO] [stdout] 71 | fn client() -> Result<(), std::io::Error> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> tests/epoll.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 33 | eloop.add(stream.as_raw_fd(), id, ffi::EPOLLIN); [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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 50.55s [INFO] running `Command { std: "docker" "inspect" "32fd0315c0e244ea32c64bd00fca8303676a565726c36dea1ba6a2ff84be4134", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32fd0315c0e244ea32c64bd00fca8303676a565726c36dea1ba6a2ff84be4134", kill_on_drop: false }` [INFO] [stdout] 32fd0315c0e244ea32c64bd00fca8303676a565726c36dea1ba6a2ff84be4134