[INFO] cloning repository https://github.com/emreyalvac/epoll-tcp-server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emreyalvac/epoll-tcp-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femreyalvac%2Fepoll-tcp-server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femreyalvac%2Fepoll-tcp-server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 71b2cabe448d4242d07531f78eedf806e02d5cc5 [INFO] testing emreyalvac/epoll-tcp-server against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femreyalvac%2Fepoll-tcp-server" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/emreyalvac/epoll-tcp-server on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/emreyalvac/epoll-tcp-server [INFO] finished tweaking git repo https://github.com/emreyalvac/epoll-tcp-server [INFO] tweaked toml for git repo https://github.com/emreyalvac/epoll-tcp-server written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/emreyalvac/epoll-tcp-server already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eeb08c2ca04289d942c1d42b673f259ec964b2975de40a03d6d3eb60a5bfc075 [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" "eeb08c2ca04289d942c1d42b673f259ec964b2975de40a03d6d3eb60a5bfc075", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eeb08c2ca04289d942c1d42b673f259ec964b2975de40a03d6d3eb60a5bfc075", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eeb08c2ca04289d942c1d42b673f259ec964b2975de40a03d6d3eb60a5bfc075", kill_on_drop: false }` [INFO] [stdout] eeb08c2ca04289d942c1d42b673f259ec964b2975de40a03d6d3eb60a5bfc075 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2c45d9e975cee6309c0137b73557755a654846c44122c2c3d07e3528239df3d0 [INFO] running `Command { std: "docker" "start" "-a" "2c45d9e975cee6309c0137b73557755a654846c44122c2c3d07e3528239df3d0", kill_on_drop: false }` [INFO] [stderr] Compiling epool v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::ffi::c_void` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ffi::c_void; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `mem` [INFO] [stdout] --> src/main.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::{io, mem}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::BufReader` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::BufReader; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RawFd` [INFO] [stdout] --> src/main.rs:8:34 [INFO] [stdout] | [INFO] [stdout] 8 | use std::os::unix::io::{AsRawFd, RawFd}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `EPOLLONESHOT`, `F_GETFD`, `F_SETFD`, `READ_FLAGS`, `WRITE_FLAGS`, `close`, `read` [INFO] [stdout] --> src/main.rs:10:25 [INFO] [stdout] | [INFO] [stdout] 10 | ...::{close, epoll_create1, epoll_ctl, EPOLL_CTL_ADD, EPOLL_CTL_DEL, EPOLL_CTL_MOD, epoll_wait, EPOLLET, EPOLLHUP, EPOLLIN, EPOLLONESHOT, EPOLLOUT, EPOLLRDHUP, Event, F_GETFD, F_SETFD, F_SETFL, fcntl, O_NONBLOCK, READ_FLAGS, WRITE_FLAGS, rea... [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^ ^^^^^^^ ^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `EPOLL_CTL_ADD`, `Event`, `READ_FLAGS`, `epoll_ctl` [INFO] [stdout] --> src/epoll/epoll.rs:1:32 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::epoll::epoll::ffi::{epoll_ctl, EPOLL_CTL_ADD, Event, READ_FLAGS}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^ ^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:141:5 [INFO] [stdout] | [INFO] [stdout] 53 | / loop { [INFO] [stdout] 54 | | events.clear(); [INFO] [stdout] 55 | | let wait = unsafe { epoll_wait(epoll_fd, events.as_mut_ptr(), 1024, -1) }; [INFO] [stdout] 56 | | unsafe { events.set_len(wait as usize) }; [INFO] [stdout] ... | [INFO] [stdout] 138 | | } [INFO] [stdout] 139 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 140 | [INFO] [stdout] 141 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/main.rs:63:37 [INFO] [stdout] | [INFO] [stdout] 63 | Ok((stream, addr)) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:83:41 [INFO] [stdout] | [INFO] [stdout] 83 | ... let mut reader = sockets.get_mut(&(event.u64 as i32)).unwrap().read(&mut buffer); [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: `#[derive]` can't be used on a `#[repr(packed)]` struct that does not derive Copy (error E0133) [INFO] [stdout] --> src/epoll/epoll.rs:24:14 [INFO] [stdout] | [INFO] [stdout] 24 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unaligned_references)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #82523 [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `token` [INFO] [stdout] --> src/handler/handler.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | token: i32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `stream` [INFO] [stdout] --> src/handler/handler.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | stream: TcpStream, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `EPOLLONESHOT` [INFO] [stdout] --> src/epoll/epoll.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub const EPOLLONESHOT: i32 = 0x40000000; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `READ_FLAGS` [INFO] [stdout] --> src/epoll/epoll.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub const READ_FLAGS: i32 = EPOLLONESHOT | EPOLLIN; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `WRITE_FLAGS` [INFO] [stdout] --> src/epoll/epoll.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | pub const WRITE_FLAGS: i32 = EPOLLONESHOT | EPOLLOUT; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `F_GETFD` [INFO] [stdout] --> src/epoll/epoll.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub const F_GETFD: i32 = 1; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `F_SETFD` [INFO] [stdout] --> src/epoll/epoll.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | pub const F_SETFD: i32 = 2; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `close` [INFO] [stdout] --> src/epoll/epoll.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn close(fd: i32) -> i32; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read` [INFO] [stdout] --> src/epoll/epoll.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn read(fd: c_int, buffer: *mut c_void, count: isize) -> isize; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:89:45 [INFO] [stdout] | [INFO] [stdout] 89 | ... stream.shutdown(Shutdown::Both); [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: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.39s [INFO] running `Command { std: "docker" "inspect" "2c45d9e975cee6309c0137b73557755a654846c44122c2c3d07e3528239df3d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c45d9e975cee6309c0137b73557755a654846c44122c2c3d07e3528239df3d0", kill_on_drop: false }` [INFO] [stdout] 2c45d9e975cee6309c0137b73557755a654846c44122c2c3d07e3528239df3d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 212269e11ce6755d949ba768dab16cbdcc1202cc5785885f9512ce1e45153a26 [INFO] running `Command { std: "docker" "start" "-a" "212269e11ce6755d949ba768dab16cbdcc1202cc5785885f9512ce1e45153a26", kill_on_drop: false }` [INFO] [stderr] Compiling epool v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::ffi::c_void` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ffi::c_void; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `mem` [INFO] [stdout] --> src/main.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::{io, mem}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::BufReader` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::BufReader; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RawFd` [INFO] [stdout] --> src/main.rs:8:34 [INFO] [stdout] | [INFO] [stdout] 8 | use std::os::unix::io::{AsRawFd, RawFd}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `EPOLLONESHOT`, `F_GETFD`, `F_SETFD`, `READ_FLAGS`, `WRITE_FLAGS`, `close`, `read` [INFO] [stdout] --> src/main.rs:10:25 [INFO] [stdout] | [INFO] [stdout] 10 | ...::{close, epoll_create1, epoll_ctl, EPOLL_CTL_ADD, EPOLL_CTL_DEL, EPOLL_CTL_MOD, epoll_wait, EPOLLET, EPOLLHUP, EPOLLIN, EPOLLONESHOT, EPOLLOUT, EPOLLRDHUP, Event, F_GETFD, F_SETFD, F_SETFL, fcntl, O_NONBLOCK, READ_FLAGS, WRITE_FLAGS, rea... [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^ ^^^^^^^ ^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `EPOLL_CTL_ADD`, `Event`, `READ_FLAGS`, `epoll_ctl` [INFO] [stdout] --> src/epoll/epoll.rs:1:32 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::epoll::epoll::ffi::{epoll_ctl, EPOLL_CTL_ADD, Event, READ_FLAGS}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^ ^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:141:5 [INFO] [stdout] | [INFO] [stdout] 53 | / loop { [INFO] [stdout] 54 | | events.clear(); [INFO] [stdout] 55 | | let wait = unsafe { epoll_wait(epoll_fd, events.as_mut_ptr(), 1024, -1) }; [INFO] [stdout] 56 | | unsafe { events.set_len(wait as usize) }; [INFO] [stdout] ... | [INFO] [stdout] 138 | | } [INFO] [stdout] 139 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 140 | [INFO] [stdout] 141 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/main.rs:63:37 [INFO] [stdout] | [INFO] [stdout] 63 | Ok((stream, addr)) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:83:41 [INFO] [stdout] | [INFO] [stdout] 83 | ... let mut reader = sockets.get_mut(&(event.u64 as i32)).unwrap().read(&mut buffer); [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: `#[derive]` can't be used on a `#[repr(packed)]` struct that does not derive Copy (error E0133) [INFO] [stdout] --> src/epoll/epoll.rs:24:14 [INFO] [stdout] | [INFO] [stdout] 24 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unaligned_references)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #82523 [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `token` [INFO] [stdout] --> src/handler/handler.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | token: i32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `stream` [INFO] [stdout] --> src/handler/handler.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | stream: TcpStream, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `EPOLLONESHOT` [INFO] [stdout] --> src/epoll/epoll.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub const EPOLLONESHOT: i32 = 0x40000000; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `READ_FLAGS` [INFO] [stdout] --> src/epoll/epoll.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub const READ_FLAGS: i32 = EPOLLONESHOT | EPOLLIN; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `WRITE_FLAGS` [INFO] [stdout] --> src/epoll/epoll.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | pub const WRITE_FLAGS: i32 = EPOLLONESHOT | EPOLLOUT; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `F_GETFD` [INFO] [stdout] --> src/epoll/epoll.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub const F_GETFD: i32 = 1; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `F_SETFD` [INFO] [stdout] --> src/epoll/epoll.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | pub const F_SETFD: i32 = 2; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `close` [INFO] [stdout] --> src/epoll/epoll.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn close(fd: i32) -> i32; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read` [INFO] [stdout] --> src/epoll/epoll.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn read(fd: c_int, buffer: *mut c_void, count: isize) -> isize; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:89:45 [INFO] [stdout] | [INFO] [stdout] 89 | ... stream.shutdown(Shutdown::Both); [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: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.05s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/epool-308b2607e122e94c) [INFO] running `Command { std: "docker" "inspect" "212269e11ce6755d949ba768dab16cbdcc1202cc5785885f9512ce1e45153a26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "212269e11ce6755d949ba768dab16cbdcc1202cc5785885f9512ce1e45153a26", kill_on_drop: false }` [INFO] [stdout] 212269e11ce6755d949ba768dab16cbdcc1202cc5785885f9512ce1e45153a26 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 83a0b9f4fceca08ffccbef96cb358244ddff728706db0b32a9f6e8bbc87e2ebc [INFO] running `Command { std: "docker" "start" "-a" "83a0b9f4fceca08ffccbef96cb358244ddff728706db0b32a9f6e8bbc87e2ebc", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `std::ffi::c_void` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::ffi::c_void; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `mem` [INFO] [stderr] --> src/main.rs:4:15 [INFO] [stderr] | [INFO] [stderr] 4 | use std::{io, mem}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::BufReader` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io::BufReader; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `RawFd` [INFO] [stderr] --> src/main.rs:8:34 [INFO] [stderr] | [INFO] [stderr] 8 | use std::os::unix::io::{AsRawFd, RawFd}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `EPOLLONESHOT`, `F_GETFD`, `F_SETFD`, `READ_FLAGS`, `WRITE_FLAGS`, `close`, `read` [INFO] [stderr] --> src/main.rs:10:25 [INFO] [stderr] | [INFO] [stderr] 10 | ...::{close, epoll_create1, epoll_ctl, EPOLL_CTL_ADD, EPOLL_CTL_DEL, EPOLL_CTL_MOD, epoll_wait, EPOLLET, EPOLLHUP, EPOLLIN, EPOLLONESHOT, EPOLLOUT, EPOLLRDHUP, Event, F_GETFD, F_SETFD, F_SETFL, fcntl, O_NONBLOCK, READ_FLAGS, WRITE_FLAGS, rea... [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^ ^^^^^^^ ^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `EPOLL_CTL_ADD`, `Event`, `READ_FLAGS`, `epoll_ctl` [INFO] [stderr] --> src/epoll/epoll.rs:1:32 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::epoll::epoll::ffi::{epoll_ctl, EPOLL_CTL_ADD, Event, READ_FLAGS}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^^^ ^^^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:141:5 [INFO] [stderr] | [INFO] [stderr] 53 | / loop { [INFO] [stderr] 54 | | events.clear(); [INFO] [stderr] 55 | | let wait = unsafe { epoll_wait(epoll_fd, events.as_mut_ptr(), 1024, -1) }; [INFO] [stderr] 56 | | unsafe { events.set_len(wait as usize) }; [INFO] [stderr] ... | [INFO] [stderr] 138 | | } [INFO] [stderr] 139 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 140 | [INFO] [stderr] 141 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `addr` [INFO] [stderr] --> src/main.rs:63:37 [INFO] [stderr] | [INFO] [stderr] 63 | Ok((stream, addr)) => { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:83:41 [INFO] [stderr] | [INFO] [stderr] 83 | ... let mut reader = sockets.get_mut(&(event.u64 as i32)).unwrap().read(&mut buffer); [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: `#[derive]` can't be used on a `#[repr(packed)]` struct that does not derive Copy (error E0133) [INFO] [stderr] --> src/epoll/epoll.rs:24:14 [INFO] [stderr] | [INFO] [stderr] 24 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unaligned_references)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #82523 [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `token` [INFO] [stderr] --> src/handler/handler.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | token: i32, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `stream` [INFO] [stderr] --> src/handler/handler.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | stream: TcpStream, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `EPOLLONESHOT` [INFO] [stderr] --> src/epoll/epoll.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | pub const EPOLLONESHOT: i32 = 0x40000000; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `READ_FLAGS` [INFO] [stderr] --> src/epoll/epoll.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | pub const READ_FLAGS: i32 = EPOLLONESHOT | EPOLLIN; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `WRITE_FLAGS` [INFO] [stderr] --> src/epoll/epoll.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | pub const WRITE_FLAGS: i32 = EPOLLONESHOT | EPOLLOUT; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `F_GETFD` [INFO] [stderr] --> src/epoll/epoll.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | pub const F_GETFD: i32 = 1; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `F_SETFD` [INFO] [stderr] --> src/epoll/epoll.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | pub const F_SETFD: i32 = 2; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `close` [INFO] [stderr] --> src/epoll/epoll.rs:35:9 [INFO] [stderr] | [INFO] [stderr] 35 | pub fn close(fd: i32) -> i32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `read` [INFO] [stderr] --> src/epoll/epoll.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | pub fn read(fd: c_int, buffer: *mut c_void, count: isize) -> isize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:89:45 [INFO] [stderr] | [INFO] [stderr] 89 | ... stream.shutdown(Shutdown::Both); [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: `epool` (bin "epool" test) generated 21 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.21s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/epool-308b2607e122e94c) [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "83a0b9f4fceca08ffccbef96cb358244ddff728706db0b32a9f6e8bbc87e2ebc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83a0b9f4fceca08ffccbef96cb358244ddff728706db0b32a9f6e8bbc87e2ebc", kill_on_drop: false }` [INFO] [stdout] 83a0b9f4fceca08ffccbef96cb358244ddff728706db0b32a9f6e8bbc87e2ebc