[INFO] cloning repository https://github.com/tobyjsullivan/line-chat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tobyjsullivan/line-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobyjsullivan%2Fline-chat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobyjsullivan%2Fline-chat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 931028ec94748dc37fee02cf7c2de681c320d124 [INFO] checking tobyjsullivan/line-chat against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobyjsullivan%2Fline-chat" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tobyjsullivan/line-chat on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tobyjsullivan/line-chat [INFO] finished tweaking git repo https://github.com/tobyjsullivan/line-chat [INFO] tweaked toml for git repo https://github.com/tobyjsullivan/line-chat written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/tobyjsullivan/line-chat already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/tokio-rs/tokio` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossbeam-epoch v0.4.0 [INFO] [stderr] Downloaded tokio-io v0.1.5 [INFO] [stderr] Downloaded crossbeam-deque v0.3.0 [INFO] [stderr] Downloaded mio v0.6.13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9dcc9b8afc74d45e156a3493f6223c47b5fdd289a2bca3b1046820d0fe64adbd [INFO] running `Command { std: "docker" "start" "-a" "9dcc9b8afc74d45e156a3493f6223c47b5fdd289a2bca3b1046820d0fe64adbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9dcc9b8afc74d45e156a3493f6223c47b5fdd289a2bca3b1046820d0fe64adbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9dcc9b8afc74d45e156a3493f6223c47b5fdd289a2bca3b1046820d0fe64adbd", kill_on_drop: false }` [INFO] [stdout] 9dcc9b8afc74d45e156a3493f6223c47b5fdd289a2bca3b1046820d0fe64adbd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca0fa6c41fa372ec8123c068ac821421f283713612379f4ad7e06af0c3dc6e81 [INFO] running `Command { std: "docker" "start" "-a" "ca0fa6c41fa372ec8123c068ac821421f283713612379f4ad7e06af0c3dc6e81", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.39 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking futures v0.1.18 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking crossbeam-epoch v0.4.0 [INFO] [stderr] Checking crossbeam-deque v0.3.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.32 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking bytes v0.4.6 [INFO] [stderr] Checking mio v0.6.13 [INFO] [stderr] Checking nix v0.10.0 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking tokio-executor v0.1.0 (https://github.com/tokio-rs/tokio#5555cbc8) [INFO] [stderr] Checking tokio-io v0.1.5 (https://github.com/tokio-rs/tokio#5555cbc8) [INFO] [stderr] Checking tokio-io v0.1.5 [INFO] [stderr] Checking tokio-threadpool v0.1.0 (https://github.com/tokio-rs/tokio#5555cbc8) [INFO] [stderr] Checking tokio-reactor v0.1.0 (https://github.com/tokio-rs/tokio#5555cbc8) [INFO] [stderr] Checking tokio v0.1.1 (https://github.com/tokio-rs/tokio#5555cbc8) [INFO] [stderr] Checking line-chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `env` [INFO] [stdout] --> src/main.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{env, io}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::os::unix::io::AsRawFd` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::os::unix::io::AsRawFd; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `empty` [INFO] [stdout] --> src/main.rs:9:29 [INFO] [stdout] | [INFO] [stdout] 9 | use futures::future::{lazy, empty}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::sys::socket` [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use nix::sys::socket; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::sys::socket::sockopt::Broadcast` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use nix::sys::socket::sockopt::Broadcast; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `env` [INFO] [stdout] --> src/main.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{env, io}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::os::unix::io::AsRawFd` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::os::unix::io::AsRawFd; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `empty` [INFO] [stdout] --> src/main.rs:9:29 [INFO] [stdout] | [INFO] [stdout] 9 | use futures::future::{lazy, empty}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::sys::socket` [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use nix::sys::socket; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::sys::socket::sockopt::Broadcast` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use nix::sys::socket::sockopt::Broadcast; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `to_send` is never read [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 18 | struct Server { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 21 | to_send: Option<(usize, SocketAddr)>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | server.socket.poll_send_to(&msg.into_bytes().as_slice(), &bc_addr); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 58 | let _ = server.socket.poll_send_to(&msg.into_bytes().as_slice(), &bc_addr); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `to_send` is never read [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 18 | struct Server { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 21 | to_send: Option<(usize, SocketAddr)>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | server.socket.poll_send_to(&msg.into_bytes().as_slice(), &bc_addr); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 58 | let _ = server.socket.poll_send_to(&msg.into_bytes().as_slice(), &bc_addr); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.05s [INFO] running `Command { std: "docker" "inspect" "ca0fa6c41fa372ec8123c068ac821421f283713612379f4ad7e06af0c3dc6e81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca0fa6c41fa372ec8123c068ac821421f283713612379f4ad7e06af0c3dc6e81", kill_on_drop: false }` [INFO] [stdout] ca0fa6c41fa372ec8123c068ac821421f283713612379f4ad7e06af0c3dc6e81 [INFO] checking tobyjsullivan/line-chat against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobyjsullivan%2Fline-chat" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tobyjsullivan/line-chat on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tobyjsullivan/line-chat [INFO] finished tweaking git repo https://github.com/tobyjsullivan/line-chat [INFO] tweaked toml for git repo https://github.com/tobyjsullivan/line-chat written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tobyjsullivan/line-chat already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1eac36544bde6e1ebf237aa5a682678ca2f16592ec84c4be6695edcf784f378c [INFO] running `Command { std: "docker" "start" "-a" "1eac36544bde6e1ebf237aa5a682678ca2f16592ec84c4be6695edcf784f378c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1eac36544bde6e1ebf237aa5a682678ca2f16592ec84c4be6695edcf784f378c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1eac36544bde6e1ebf237aa5a682678ca2f16592ec84c4be6695edcf784f378c", kill_on_drop: false }` [INFO] [stdout] 1eac36544bde6e1ebf237aa5a682678ca2f16592ec84c4be6695edcf784f378c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2da920390ec4233c1f27b39d98170061e7ea106034df8d6aba7ca70041bd2d40 [INFO] running `Command { std: "docker" "start" "-a" "2da920390ec4233c1f27b39d98170061e7ea106034df8d6aba7ca70041bd2d40", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking libc v0.2.39 [INFO] [stderr] Checking futures v0.1.18 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking crossbeam-epoch v0.4.0 [INFO] [stderr] Checking crossbeam-deque v0.3.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.32 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking bytes v0.4.6 [INFO] [stderr] Checking mio v0.6.13 [INFO] [stderr] Checking nix v0.10.0 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking tokio-executor v0.1.0 (https://github.com/tokio-rs/tokio#5555cbc8) [INFO] [stderr] Checking tokio-io v0.1.5 (https://github.com/tokio-rs/tokio#5555cbc8) [INFO] [stderr] Checking tokio-io v0.1.5 [INFO] [stderr] Checking tokio-threadpool v0.1.0 (https://github.com/tokio-rs/tokio#5555cbc8) [INFO] [stderr] Checking tokio-reactor v0.1.0 (https://github.com/tokio-rs/tokio#5555cbc8) [INFO] [stderr] Checking tokio v0.1.1 (https://github.com/tokio-rs/tokio#5555cbc8) [INFO] [stderr] Checking line-chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `env` [INFO] [stdout] --> src/main.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{env, io}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::os::unix::io::AsRawFd` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::os::unix::io::AsRawFd; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `empty` [INFO] [stdout] --> src/main.rs:9:29 [INFO] [stdout] | [INFO] [stdout] 9 | use futures::future::{lazy, empty}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::sys::socket` [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use nix::sys::socket; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::sys::socket::sockopt::Broadcast` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use nix::sys::socket::sockopt::Broadcast; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `env` [INFO] [stdout] --> src/main.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{env, io}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::os::unix::io::AsRawFd` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::os::unix::io::AsRawFd; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `empty` [INFO] [stdout] --> src/main.rs:9:29 [INFO] [stdout] | [INFO] [stdout] 9 | use futures::future::{lazy, empty}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::sys::socket` [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use nix::sys::socket; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::sys::socket::sockopt::Broadcast` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use nix::sys::socket::sockopt::Broadcast; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `to_send` is never read [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 18 | struct Server { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 21 | to_send: Option<(usize, SocketAddr)>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | server.socket.poll_send_to(&msg.into_bytes().as_slice(), &bc_addr); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 58 | let _ = server.socket.poll_send_to(&msg.into_bytes().as_slice(), &bc_addr); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `to_send` is never read [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 18 | struct Server { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 21 | to_send: Option<(usize, SocketAddr)>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | server.socket.poll_send_to(&msg.into_bytes().as_slice(), &bc_addr); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 58 | let _ = server.socket.poll_send_to(&msg.into_bytes().as_slice(), &bc_addr); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.83s [INFO] running `Command { std: "docker" "inspect" "2da920390ec4233c1f27b39d98170061e7ea106034df8d6aba7ca70041bd2d40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2da920390ec4233c1f27b39d98170061e7ea106034df8d6aba7ca70041bd2d40", kill_on_drop: false }` [INFO] [stdout] 2da920390ec4233c1f27b39d98170061e7ea106034df8d6aba7ca70041bd2d40