[INFO] cloning repository https://github.com/chanseulkim/rust-chatting [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chanseulkim/rust-chatting" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchanseulkim%2Frust-chatting", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchanseulkim%2Frust-chatting'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ccf722862608c5039bec4247714eccb62b26170e [INFO] testing chanseulkim/rust-chatting against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchanseulkim%2Frust-chatting" "/workspace/builds/worker-94/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-94/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chanseulkim/rust-chatting on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chanseulkim/rust-chatting [INFO] finished tweaking git repo https://github.com/chanseulkim/rust-chatting [INFO] tweaked toml for git repo https://github.com/chanseulkim/rust-chatting written to /workspace/builds/worker-94/source/Cargo.toml [INFO] crate git repo https://github.com/chanseulkim/rust-chatting already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 55d4ab577829a32627533d7d148e1be90c33843f8215177447cdccecd8fa94fa [INFO] running `Command { std: "docker" "start" "-a" "55d4ab577829a32627533d7d148e1be90c33843f8215177447cdccecd8fa94fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "55d4ab577829a32627533d7d148e1be90c33843f8215177447cdccecd8fa94fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55d4ab577829a32627533d7d148e1be90c33843f8215177447cdccecd8fa94fa", kill_on_drop: false }` [INFO] [stdout] 55d4ab577829a32627533d7d148e1be90c33843f8215177447cdccecd8fa94fa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6ba3e65eac79dba6df70c465c0243ba75898d678135e20ddbd45a9633847cff6 [INFO] running `Command { std: "docker" "start" "-a" "6ba3e65eac79dba6df70c465c0243ba75898d678135e20ddbd45a9633847cff6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling futures-sink v0.3.15 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling futures-io v0.3.15 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling slab v0.4.3 [INFO] [stderr] Compiling bytes v1.0.1 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling lock_api v0.4.4 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling tokio v1.8.2 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling mio v0.7.13 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling tokio-macros v1.2.0 [INFO] [stderr] Compiling futures-executor v0.3.15 [INFO] [stderr] Compiling futures v0.3.15 [INFO] [stderr] Compiling relay_rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::FutureExt` [INFO] [stdout] --> src/relay_server/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use futures::FutureExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/relay_server/mod.rs:33:25 [INFO] [stdout] | [INFO] [stdout] 33 | let mut streams = &mut *(streams.lock().unwrap()); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/relay_server/mod.rs:51:21 [INFO] [stdout] | [INFO] [stdout] 51 | let mut streams = &mut *(clone_streams.lock().unwrap()); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsyncReadExt` [INFO] [stdout] --> src/relay_server/mod.rs:6:17 [INFO] [stdout] | [INFO] [stdout] 6 | use tokio::io::{AsyncReadExt, AsyncWriteExt}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsyncWriteExt` [INFO] [stdout] --> src/relay_server/mod.rs:6:31 [INFO] [stdout] | [INFO] [stdout] 6 | use tokio::io::{AsyncReadExt, AsyncWriteExt}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `info` [INFO] [stdout] --> src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let info = ServerInfo { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_info` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/relay_server/mod.rs:41:21 [INFO] [stdout] | [INFO] [stdout] 41 | Err(err) =>{ [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/relay_server/mod.rs:57:17 [INFO] [stdout] | [INFO] [stdout] 57 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/relay_server/mod.rs:78:21 [INFO] [stdout] | [INFO] [stdout] 78 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/relay_server/mod.rs:65:56 [INFO] [stdout] | [INFO] [stdout] 65 | fn start_receive(id : i32, mut tcp_stream : TcpStream, mut input_pipe : Sender<(i32, Vec)>) { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/relay_server/mod.rs:37:29 [INFO] [stdout] | [INFO] [stdout] 37 | ... stream.write_all(&msg[..msg.len()]); [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: unused `Result` that must be used [INFO] [stdout] --> src/relay_server/mod.rs:76:21 [INFO] [stdout] | [INFO] [stdout] 76 | input_pipe.send((id, (&buf[..read_size]).to_vec())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 13s [INFO] running `Command { std: "docker" "inspect" "6ba3e65eac79dba6df70c465c0243ba75898d678135e20ddbd45a9633847cff6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ba3e65eac79dba6df70c465c0243ba75898d678135e20ddbd45a9633847cff6", kill_on_drop: false }` [INFO] [stdout] 6ba3e65eac79dba6df70c465c0243ba75898d678135e20ddbd45a9633847cff6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa0d5b465fb1668180478a0b53b71db8ec245ea74f4ead209439a571cf81c53a [INFO] running `Command { std: "docker" "start" "-a" "aa0d5b465fb1668180478a0b53b71db8ec245ea74f4ead209439a571cf81c53a", kill_on_drop: false }` [INFO] [stderr] Compiling relay_rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::FutureExt` [INFO] [stdout] --> src/relay_server/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use futures::FutureExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/relay_server/mod.rs:33:25 [INFO] [stdout] | [INFO] [stdout] 33 | let mut streams = &mut *(streams.lock().unwrap()); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/relay_server/mod.rs:51:21 [INFO] [stdout] | [INFO] [stdout] 51 | let mut streams = &mut *(clone_streams.lock().unwrap()); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsyncReadExt` [INFO] [stdout] --> src/relay_server/mod.rs:6:17 [INFO] [stdout] | [INFO] [stdout] 6 | use tokio::io::{AsyncReadExt, AsyncWriteExt}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsyncWriteExt` [INFO] [stdout] --> src/relay_server/mod.rs:6:31 [INFO] [stdout] | [INFO] [stdout] 6 | use tokio::io::{AsyncReadExt, AsyncWriteExt}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `info` [INFO] [stdout] --> src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let info = ServerInfo { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_info` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/relay_server/mod.rs:41:21 [INFO] [stdout] | [INFO] [stdout] 41 | Err(err) =>{ [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/relay_server/mod.rs:57:17 [INFO] [stdout] | [INFO] [stdout] 57 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/relay_server/mod.rs:78:21 [INFO] [stdout] | [INFO] [stdout] 78 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/relay_server/mod.rs:65:56 [INFO] [stdout] | [INFO] [stdout] 65 | fn start_receive(id : i32, mut tcp_stream : TcpStream, mut input_pipe : Sender<(i32, Vec)>) { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/relay_server/mod.rs:37:29 [INFO] [stdout] | [INFO] [stdout] 37 | ... stream.write_all(&msg[..msg.len()]); [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: unused `Result` that must be used [INFO] [stdout] --> src/relay_server/mod.rs:76:21 [INFO] [stdout] | [INFO] [stdout] 76 | input_pipe.send((id, (&buf[..read_size]).to_vec())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.56s [INFO] running `Command { std: "docker" "inspect" "aa0d5b465fb1668180478a0b53b71db8ec245ea74f4ead209439a571cf81c53a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa0d5b465fb1668180478a0b53b71db8ec245ea74f4ead209439a571cf81c53a", kill_on_drop: false }` [INFO] [stdout] aa0d5b465fb1668180478a0b53b71db8ec245ea74f4ead209439a571cf81c53a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 84838b01bc771fe4517e96ea975378b72f1caf6fbb01281fe2546c54718343d7 [INFO] running `Command { std: "docker" "start" "-a" "84838b01bc771fe4517e96ea975378b72f1caf6fbb01281fe2546c54718343d7", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `futures::FutureExt` [INFO] [stderr] --> src/relay_server/mod.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use futures::FutureExt; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/relay_server/mod.rs:33:25 [INFO] [stderr] | [INFO] [stderr] 33 | let mut streams = &mut *(streams.lock().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/relay_server/mod.rs:51:21 [INFO] [stderr] | [INFO] [stderr] 51 | let mut streams = &mut *(clone_streams.lock().unwrap()); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused import: `AsyncReadExt` [INFO] [stderr] --> src/relay_server/mod.rs:6:17 [INFO] [stderr] | [INFO] [stderr] 6 | use tokio::io::{AsyncReadExt, AsyncWriteExt}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `AsyncWriteExt` [INFO] [stderr] --> src/relay_server/mod.rs:6:31 [INFO] [stderr] | [INFO] [stderr] 6 | use tokio::io::{AsyncReadExt, AsyncWriteExt}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `info` [INFO] [stderr] --> src/main.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | let info = ServerInfo { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_info` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/relay_server/mod.rs:41:21 [INFO] [stderr] | [INFO] [stderr] 41 | Err(err) =>{ [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/relay_server/mod.rs:57:17 [INFO] [stderr] | [INFO] [stderr] 57 | Err(e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/relay_server/mod.rs:78:21 [INFO] [stderr] | [INFO] [stderr] 78 | Err(e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/relay_server/mod.rs:65:56 [INFO] [stderr] | [INFO] [stderr] 65 | fn start_receive(id : i32, mut tcp_stream : TcpStream, mut input_pipe : Sender<(i32, Vec)>) { [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/relay_server/mod.rs:37:29 [INFO] [stderr] | [INFO] [stderr] 37 | ... stream.write_all(&msg[..msg.len()]); [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 `Result` that must be used [INFO] [stderr] --> src/relay_server/mod.rs:76:21 [INFO] [stderr] | [INFO] [stderr] 76 | input_pipe.send((id, (&buf[..read_size]).to_vec())); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `relay_rs` (bin "relay_rs" test) generated 13 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/relay_rs-5d983f386b1638f1) [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" "84838b01bc771fe4517e96ea975378b72f1caf6fbb01281fe2546c54718343d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84838b01bc771fe4517e96ea975378b72f1caf6fbb01281fe2546c54718343d7", kill_on_drop: false }` [INFO] [stdout] 84838b01bc771fe4517e96ea975378b72f1caf6fbb01281fe2546c54718343d7