[INFO] updating cached repository https://github.com/hobarak/rustio [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 96eda294585c48f3761859824ac97dbddd5393e1 [INFO] testing hobarak/rustio against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobarak%2Frustio" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hobarak/rustio on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [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-4/source/Cargo.toml [INFO] crate git repo https://github.com/hobarak/rustio already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d36e12772373d6d0c9815eb633cf08d56cd447c9410da810dc110ca9faf43a0d [INFO] running `"docker" "start" "-a" "d36e12772373d6d0c9815eb633cf08d56cd447c9410da810dc110ca9faf43a0d"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [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 futures-sink v0.3.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Compiling futures-core v0.3.4 [INFO] [stderr] Compiling futures-task v0.3.4 [INFO] [stderr] Compiling futures-io v0.3.4 [INFO] [stderr] Compiling futures-channel v0.3.4 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling futures-util v0.3.4 [INFO] [stderr] Compiling futures-executor v0.3.4 [INFO] [stderr] Compiling futures v0.3.4 [INFO] [stderr] Compiling rustio v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `AsyncWrite` [INFO] [stderr] --> src/futur.rs:7:26 [INFO] [stderr] | [INFO] [stderr] 7 | use futures::{AsyncRead, AsyncWrite}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `cell::RefCell` [INFO] [stderr] --> src/futur.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | cell::RefCell, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `runtime` [INFO] [stderr] --> src/futur.rs:65:64 [INFO] [stderr] | [INFO] [stderr] 65 | r.add(p.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `token` [INFO] [stderr] --> src/futur.rs:65:73 [INFO] [stderr] | [INFO] [stderr] 65 | r.add(p.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_token` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `runtime` [INFO] [stderr] --> src/futur.rs:123:67 [INFO] [stderr] | [INFO] [stderr] 123 | r.add(self.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `token` [INFO] [stderr] --> src/futur.rs:123:76 [INFO] [stderr] | [INFO] [stderr] 123 | r.add(self.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_token` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/epoll.rs:123:13 [INFO] [stderr] | [INFO] [stderr] 123 | let mut listener = TcpListener::bind(addr).unwrap(); [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: variable does not need to be mutable [INFO] [stderr] --> src/libuv.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | let mut eloop = EventLoop::new().unwrap(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: constant `Runtime` should have an upper case name [INFO] [stderr] --> src/futur.rs:29:10 [INFO] [stderr] | [INFO] [stderr] 29 | static Runtime: Runtime = Runtime::new(); [INFO] [stderr] | ^^^^^^^ help: convert the identifier to upper case: `RUNTIME` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/futur.rs:194:9 [INFO] [stderr] | [INFO] [stderr] 194 | arc_self.task_sender.send(cloned); [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: structure field `currentToken` should have a snake case name [INFO] [stderr] --> src/libuv.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | pub currentToken: Cell, [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `current_token` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `eventLoop` should have a snake case name [INFO] [stderr] --> src/libuv.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | pub eventLoop: EventLoop, [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `event_loop` [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.45s [INFO] running `"docker" "inspect" "d36e12772373d6d0c9815eb633cf08d56cd447c9410da810dc110ca9faf43a0d"` [INFO] running `"docker" "rm" "-f" "d36e12772373d6d0c9815eb633cf08d56cd447c9410da810dc110ca9faf43a0d"` [INFO] [stdout] d36e12772373d6d0c9815eb633cf08d56cd447c9410da810dc110ca9faf43a0d [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5a06cd137df98e83eb1d6b6f4d3bc12cefaaae54c290b6630b7c659775e1ad95 [INFO] running `"docker" "start" "-a" "5a06cd137df98e83eb1d6b6f4d3bc12cefaaae54c290b6630b7c659775e1ad95"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling rustio v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `AsyncWrite` [INFO] [stderr] --> src/futur.rs:7:26 [INFO] [stderr] | [INFO] [stderr] 7 | use futures::{AsyncRead, AsyncWrite}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `cell::RefCell` [INFO] [stderr] --> src/futur.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | cell::RefCell, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `runtime` [INFO] [stderr] --> src/futur.rs:65:64 [INFO] [stderr] | [INFO] [stderr] 65 | r.add(p.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `token` [INFO] [stderr] --> src/futur.rs:65:73 [INFO] [stderr] | [INFO] [stderr] 65 | r.add(p.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_token` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `runtime` [INFO] [stderr] --> src/futur.rs:123:67 [INFO] [stderr] | [INFO] [stderr] 123 | r.add(self.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `token` [INFO] [stderr] --> src/futur.rs:123:76 [INFO] [stderr] | [INFO] [stderr] 123 | r.add(self.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_token` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/epoll.rs:123:13 [INFO] [stderr] | [INFO] [stderr] 123 | let mut listener = TcpListener::bind(addr).unwrap(); [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: variable does not need to be mutable [INFO] [stderr] --> src/libuv.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | let mut eloop = EventLoop::new().unwrap(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: constant `Runtime` should have an upper case name [INFO] [stderr] --> src/futur.rs:29:10 [INFO] [stderr] | [INFO] [stderr] 29 | static Runtime: Runtime = Runtime::new(); [INFO] [stderr] | ^^^^^^^ help: convert the identifier to upper case: `RUNTIME` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/futur.rs:194:9 [INFO] [stderr] | [INFO] [stderr] 194 | arc_self.task_sender.send(cloned); [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: structure field `currentToken` should have a snake case name [INFO] [stderr] --> src/libuv.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | pub currentToken: Cell, [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `current_token` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `eventLoop` should have a snake case name [INFO] [stderr] --> src/libuv.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | pub eventLoop: EventLoop, [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `event_loop` [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused imports: `FromRawFd`, `RawFd` [INFO] [stderr] --> tests/epoll.rs:5:34 [INFO] [stderr] | [INFO] [stderr] 5 | use std::os::unix::io::{AsRawFd, FromRawFd, RawFd}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> tests/libuv.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `FromRawFd`, `RawFd` [INFO] [stderr] --> tests/libuv.rs:6:34 [INFO] [stderr] | [INFO] [stderr] 6 | use std::os::unix::io::{AsRawFd, FromRawFd, RawFd}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `AsyncWrite` [INFO] [stderr] --> src/futur.rs:7:26 [INFO] [stderr] | [INFO] [stderr] 7 | use futures::{AsyncRead, AsyncWrite}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `cell::RefCell` [INFO] [stderr] --> src/futur.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | cell::RefCell, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `AsyncRead`, `AsyncWrite` [INFO] [stderr] --> tests/futur.rs:1:15 [INFO] [stderr] | [INFO] [stderr] 1 | use futures::{AsyncRead, AsyncWrite}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Arc`, `Mutex` [INFO] [stderr] --> tests/futur.rs:3:17 [INFO] [stderr] | [INFO] [stderr] 3 | use std::sync::{Arc, Mutex}; [INFO] [stderr] | ^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `runtime` [INFO] [stderr] --> tests/libuv.rs:16:61 [INFO] [stderr] | [INFO] [stderr] 16 | runtime.add(stream.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `token` [INFO] [stderr] --> tests/libuv.rs:16:70 [INFO] [stderr] | [INFO] [stderr] 16 | runtime.add(stream.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_token` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `token` [INFO] [stderr] --> tests/libuv.rs:14:68 [INFO] [stderr] | [INFO] [stderr] 14 | runtime.add(listener.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_token` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/libuv.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | let mut runtime = Runtime::new(); [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: variable does not need to be mutable [INFO] [stderr] --> tests/libuv.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let mut listener = MyTCPListener::bind("127.0.0.1:7879"); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> tests/epoll.rs:100:5 [INFO] [stderr] | [INFO] [stderr] 77 | / loop { [INFO] [stderr] 78 | | let events = eloop.wait()?; [INFO] [stderr] 79 | | [INFO] [stderr] 80 | | println!("{:?}", events.len()); [INFO] [stderr] ... | [INFO] [stderr] 98 | | } [INFO] [stderr] 99 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 100 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/epoll.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | let mut eloop = EventLoop::new().unwrap(); [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: variable does not need to be mutable [INFO] [stderr] --> tests/epoll.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let mut listener = MyTCPListener::bind("127.0.0.1:7878"); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/epoll.rs:62:13 [INFO] [stderr] | [INFO] [stderr] 62 | let mut state = connections.get_mut(&event.token).unwrap(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/epoll.rs:73:9 [INFO] [stderr] | [INFO] [stderr] 73 | let mut eloop = EventLoop::new()?; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `client` [INFO] [stderr] --> tests/epoll.rs:71:4 [INFO] [stderr] | [INFO] [stderr] 71 | fn client() -> Result<(), std::io::Error> { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/futur.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let mut listener = TcpListener::bind("127.0.0.1:7879"); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> tests/epoll.rs:33:17 [INFO] [stderr] | [INFO] [stderr] 33 | eloop.add(stream.as_raw_fd(), id, ffi::EPOLLIN); [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 variable: `runtime` [INFO] [stderr] --> src/futur.rs:65:64 [INFO] [stderr] | [INFO] [stderr] 65 | r.add(p.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `token` [INFO] [stderr] --> src/futur.rs:65:73 [INFO] [stderr] | [INFO] [stderr] 65 | r.add(p.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_token` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `runtime` [INFO] [stderr] --> src/futur.rs:123:67 [INFO] [stderr] | [INFO] [stderr] 123 | r.add(self.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `token` [INFO] [stderr] --> src/futur.rs:123:76 [INFO] [stderr] | [INFO] [stderr] 123 | r.add(self.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_token` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/epoll.rs:123:13 [INFO] [stderr] | [INFO] [stderr] 123 | let mut listener = TcpListener::bind(addr).unwrap(); [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: variable does not need to be mutable [INFO] [stderr] --> src/libuv.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | let mut eloop = EventLoop::new().unwrap(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: constant `Runtime` should have an upper case name [INFO] [stderr] --> src/futur.rs:29:10 [INFO] [stderr] | [INFO] [stderr] 29 | static Runtime: Runtime = Runtime::new(); [INFO] [stderr] | ^^^^^^^ help: convert the identifier to upper case: `RUNTIME` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/futur.rs:194:9 [INFO] [stderr] | [INFO] [stderr] 194 | arc_self.task_sender.send(cloned); [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: structure field `currentToken` should have a snake case name [INFO] [stderr] --> src/libuv.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | pub currentToken: Cell, [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `current_token` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `eventLoop` should have a snake case name [INFO] [stderr] --> src/libuv.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | pub eventLoop: EventLoop, [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `event_loop` [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.98s [INFO] running `"docker" "inspect" "5a06cd137df98e83eb1d6b6f4d3bc12cefaaae54c290b6630b7c659775e1ad95"` [INFO] running `"docker" "rm" "-f" "5a06cd137df98e83eb1d6b6f4d3bc12cefaaae54c290b6630b7c659775e1ad95"` [INFO] [stdout] 5a06cd137df98e83eb1d6b6f4d3bc12cefaaae54c290b6630b7c659775e1ad95 [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9d0c1fa9f1d24a863dab58efcb82e8a6f1eca8768f67ddd97e0519acfcb249fd [INFO] running `"docker" "start" "-a" "9d0c1fa9f1d24a863dab58efcb82e8a6f1eca8768f67ddd97e0519acfcb249fd"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused import: `AsyncWrite` [INFO] [stderr] --> src/futur.rs:7:26 [INFO] [stderr] | [INFO] [stderr] 7 | use futures::{AsyncRead, AsyncWrite}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `cell::RefCell` [INFO] [stderr] --> src/futur.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | cell::RefCell, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `runtime` [INFO] [stderr] --> src/futur.rs:65:64 [INFO] [stderr] | [INFO] [stderr] 65 | r.add(p.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `token` [INFO] [stderr] --> src/futur.rs:65:73 [INFO] [stderr] | [INFO] [stderr] 65 | r.add(p.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_token` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `runtime` [INFO] [stderr] --> src/futur.rs:123:67 [INFO] [stderr] | [INFO] [stderr] 123 | r.add(self.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `token` [INFO] [stderr] --> src/futur.rs:123:76 [INFO] [stderr] | [INFO] [stderr] 123 | r.add(self.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_token` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/epoll.rs:123:13 [INFO] [stderr] | [INFO] [stderr] 123 | let mut listener = TcpListener::bind(addr).unwrap(); [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: variable does not need to be mutable [INFO] [stderr] --> src/libuv.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | let mut eloop = EventLoop::new().unwrap(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: constant `Runtime` should have an upper case name [INFO] [stderr] --> src/futur.rs:29:10 [INFO] [stderr] | [INFO] [stderr] 29 | static Runtime: Runtime = Runtime::new(); [INFO] [stderr] | ^^^^^^^ help: convert the identifier to upper case: `RUNTIME` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/futur.rs:194:9 [INFO] [stderr] | [INFO] [stderr] 194 | arc_self.task_sender.send(cloned); [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: structure field `currentToken` should have a snake case name [INFO] [stderr] --> src/libuv.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | pub currentToken: Cell, [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `current_token` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `eventLoop` should have a snake case name [INFO] [stderr] --> src/libuv.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | pub eventLoop: EventLoop, [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `event_loop` [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `AsyncWrite` [INFO] [stderr] --> src/futur.rs:7:26 [INFO] [stderr] | [INFO] [stderr] 7 | use futures::{AsyncRead, AsyncWrite}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `cell::RefCell` [INFO] [stderr] --> src/futur.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | cell::RefCell, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `runtime` [INFO] [stderr] --> src/futur.rs:65:64 [INFO] [stderr] | [INFO] [stderr] 65 | r.add(p.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `token` [INFO] [stderr] --> src/futur.rs:65:73 [INFO] [stderr] | [INFO] [stderr] 65 | r.add(p.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_token` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `runtime` [INFO] [stderr] --> src/futur.rs:123:67 [INFO] [stderr] | [INFO] [stderr] 123 | r.add(self.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `token` [INFO] [stderr] --> src/futur.rs:123:76 [INFO] [stderr] | [INFO] [stderr] 123 | r.add(self.0.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_token` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/epoll.rs:123:13 [INFO] [stderr] | [INFO] [stderr] 123 | let mut listener = TcpListener::bind(addr).unwrap(); [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: variable does not need to be mutable [INFO] [stderr] --> src/libuv.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | let mut eloop = EventLoop::new().unwrap(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: constant `Runtime` should have an upper case name [INFO] [stderr] --> src/futur.rs:29:10 [INFO] [stderr] | [INFO] [stderr] 29 | static Runtime: Runtime = Runtime::new(); [INFO] [stderr] | ^^^^^^^ help: convert the identifier to upper case: `RUNTIME` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/futur.rs:194:9 [INFO] [stderr] | [INFO] [stderr] 194 | arc_self.task_sender.send(cloned); [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: structure field `currentToken` should have a snake case name [INFO] [stderr] --> src/libuv.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | pub currentToken: Cell, [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `current_token` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `eventLoop` should have a snake case name [INFO] [stderr] --> src/libuv.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | pub eventLoop: EventLoop, [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `event_loop` [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused imports: `FromRawFd`, `RawFd` [INFO] [stderr] --> tests/epoll.rs:5:34 [INFO] [stderr] | [INFO] [stderr] 5 | use std::os::unix::io::{AsRawFd, FromRawFd, RawFd}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> tests/libuv.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `FromRawFd`, `RawFd` [INFO] [stderr] --> tests/libuv.rs:6:34 [INFO] [stderr] | [INFO] [stderr] 6 | use std::os::unix::io::{AsRawFd, FromRawFd, RawFd}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `runtime` [INFO] [stderr] --> tests/libuv.rs:16:61 [INFO] [stderr] | [INFO] [stderr] 16 | runtime.add(stream.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `token` [INFO] [stderr] --> tests/libuv.rs:16:70 [INFO] [stderr] | [INFO] [stderr] 16 | runtime.add(stream.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_token` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `token` [INFO] [stderr] --> tests/libuv.rs:14:68 [INFO] [stderr] | [INFO] [stderr] 14 | runtime.add(listener.as_raw_fd(), ffi::EPOLLIN, move |runtime, token| { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_token` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/libuv.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | let mut runtime = Runtime::new(); [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: variable does not need to be mutable [INFO] [stderr] --> tests/libuv.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let mut listener = MyTCPListener::bind("127.0.0.1:7879"); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> tests/epoll.rs:100:5 [INFO] [stderr] | [INFO] [stderr] 77 | / loop { [INFO] [stderr] 78 | | let events = eloop.wait()?; [INFO] [stderr] 79 | | [INFO] [stderr] 80 | | println!("{:?}", events.len()); [INFO] [stderr] ... | [INFO] [stderr] 98 | | } [INFO] [stderr] 99 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 100 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/epoll.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | let mut eloop = EventLoop::new().unwrap(); [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: variable does not need to be mutable [INFO] [stderr] --> tests/epoll.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let mut listener = MyTCPListener::bind("127.0.0.1:7878"); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/epoll.rs:62:13 [INFO] [stderr] | [INFO] [stderr] 62 | let mut state = connections.get_mut(&event.token).unwrap(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/epoll.rs:73:9 [INFO] [stderr] | [INFO] [stderr] 73 | let mut eloop = EventLoop::new()?; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `client` [INFO] [stderr] --> tests/epoll.rs:71:4 [INFO] [stderr] | [INFO] [stderr] 71 | fn client() -> Result<(), std::io::Error> { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> tests/epoll.rs:33:17 [INFO] [stderr] | [INFO] [stderr] 33 | eloop.add(stream.as_raw_fd(), id, ffi::EPOLLIN); [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: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused imports: `AsyncRead`, `AsyncWrite` [INFO] [stderr] --> tests/futur.rs:1:15 [INFO] [stderr] | [INFO] [stderr] 1 | use futures::{AsyncRead, AsyncWrite}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Arc`, `Mutex` [INFO] [stderr] --> tests/futur.rs:3:17 [INFO] [stderr] | [INFO] [stderr] 3 | use std::sync::{Arc, Mutex}; [INFO] [stderr] | ^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/futur.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let mut listener = TcpListener::bind("127.0.0.1:7879"); [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: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.20s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rustio-986f842cb3adf45b [INFO] [stdout] running 0 tests [INFO] [stderr] Running /opt/rustwide/target/debug/deps/epoll-2be0875572b573a6 [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/futur-761572ba91279207 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test server ... test server has been running for over 60 seconds [ERROR] error running command: no output for 300 seconds [INFO] running `"docker" "inspect" "9d0c1fa9f1d24a863dab58efcb82e8a6f1eca8768f67ddd97e0519acfcb249fd"` [INFO] running `"docker" "rm" "-f" "9d0c1fa9f1d24a863dab58efcb82e8a6f1eca8768f67ddd97e0519acfcb249fd"` [INFO] [stdout] 9d0c1fa9f1d24a863dab58efcb82e8a6f1eca8768f67ddd97e0519acfcb249fd