[INFO] cloning repository https://github.com/JackHarnett/RustTcp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JackHarnett/RustTcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackHarnett%2FRustTcp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackHarnett%2FRustTcp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f21dbd0be96a1d16b3327d886b2932fd07f8fb45 [INFO] testing JackHarnett/RustTcp against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackHarnett%2FRustTcp" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JackHarnett/RustTcp on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JackHarnett/RustTcp [INFO] finished tweaking git repo https://github.com/JackHarnett/RustTcp [INFO] tweaked toml for git repo https://github.com/JackHarnett/RustTcp written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/JackHarnett/RustTcp already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossbeam v0.7.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 83f60c83044c6083c082b0331a68a6952b81a998942bafe791f3f80802ee0f0f [INFO] running `Command { std: "docker" "start" "-a" "83f60c83044c6083c082b0331a68a6952b81a998942bafe791f3f80802ee0f0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "83f60c83044c6083c082b0331a68a6952b81a998942bafe791f3f80802ee0f0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83f60c83044c6083c082b0331a68a6952b81a998942bafe791f3f80802ee0f0f", kill_on_drop: false }` [INFO] [stdout] 83f60c83044c6083c082b0331a68a6952b81a998942bafe791f3f80802ee0f0f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d27543e52f1b2f92211a7e8788c5ebe58cabc9b984a01a47d8b830592677715b [INFO] running `Command { std: "docker" "start" "-a" "d27543e52f1b2f92211a7e8788c5ebe58cabc9b984a01a47d8b830592677715b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling crossbeam-channel v0.3.9 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling crossbeam v0.7.2 [INFO] [stderr] Compiling rust_net v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `TcpListener` [INFO] [stdout] --> src/main.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::net::{TcpListener, TcpStream}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpListener` [INFO] [stdout] --> src/client.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::net::{TcpListener, TcpStream}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/client.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> src/client.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufWriter` [INFO] [stdout] --> src/client.rs:5:26 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{BufReader, BufWriter}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> src/client.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/client.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpStream` [INFO] [stdout] --> src/server.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | use std::net::{TcpListener, TcpStream}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Seek`, `Write` [INFO] [stdout] --> src/server.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{Read, Write, Seek}; [INFO] [stdout] | ^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/server.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> src/server.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crossbeam` [INFO] [stdout] --> src/server.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crossbeam; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/server.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/packet.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::endian::Endianess::*` [INFO] [stdout] --> src/packet_writer.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::endian::Endianess::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression [INFO] [stdout] --> src/main.rs:28:16 [INFO] [stdout] | [INFO] [stdout] 28 | while match(stream.read(&mut data)) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 28 - while match(stream.read(&mut data)) { [INFO] [stdout] 28 + while match stream.read(&mut data) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:31:15 [INFO] [stdout] | [INFO] [stdout] 31 | if(!data.is_empty()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 31 - if(!data.is_empty()) { [INFO] [stdout] 31 + if !data.is_empty() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `world` [INFO] [stdout] --> src/main.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | let world = Packet::new(10, b"Hello World from me!".to_vec()); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_world` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `us` [INFO] [stdout] --> src/main.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let us : u16 = 15; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_us` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/main.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | let num = vec![100, 100 as u8]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reader` [INFO] [stdout] --> src/client.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | let reader = BufReader::new(&self.stream); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/client.rs:78:36 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn handle_packet_10(&self, data : Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `endian` [INFO] [stdout] --> src/packet_writer.rs:18:33 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn write_u16(&mut self, endian : Endianess, int : u16) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_endian` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server.rs:29:21 [INFO] [stdout] | [INFO] [stdout] 29 | let mut client = stream.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: function is never used: `handle_client` [INFO] [stdout] --> src/main.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn handle_client(mut stream : TcpStream) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write_block` [INFO] [stdout] --> src/client.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn write_block(&mut self, msg : &[u8]) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `read` [INFO] [stdout] --> src/client.rs:48:12 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn read(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `listen` [INFO] [stdout] --> src/client.rs:58:12 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn listen(&mut self) -> Packet { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `handle_packet_10` [INFO] [stdout] --> src/client.rs:78:12 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn handle_packet_10(&self, data : Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | server.join(); [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/client.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | self.stream.write(msg); [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: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | reader.read_exact(&mut opcode); [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: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | reader.read_exact(&mut size); [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: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | reader.read_exact(&mut vec_data); [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: unused `Result` that must be used [INFO] [stdout] --> src/server.rs:37:24 [INFO] [stdout] | [INFO] [stdout] 37 | reader.read_exact(&mut opcode); [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: unused `Result` that must be used [INFO] [stdout] --> src/server.rs:38:24 [INFO] [stdout] | [INFO] [stdout] 38 | reader.read_exact(&mut size); [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: unused `Result` that must be used [INFO] [stdout] --> src/server.rs:42:24 [INFO] [stdout] | [INFO] [stdout] 42 | reader.read_exact(&mut vec_data); [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: 39 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.91s [INFO] running `Command { std: "docker" "inspect" "d27543e52f1b2f92211a7e8788c5ebe58cabc9b984a01a47d8b830592677715b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d27543e52f1b2f92211a7e8788c5ebe58cabc9b984a01a47d8b830592677715b", kill_on_drop: false }` [INFO] [stdout] d27543e52f1b2f92211a7e8788c5ebe58cabc9b984a01a47d8b830592677715b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8ac4be6fe0bbf7f2716347a856dd56cba3b192f9a5ff0d79bcdc7bc897f2c9fd [INFO] running `Command { std: "docker" "start" "-a" "8ac4be6fe0bbf7f2716347a856dd56cba3b192f9a5ff0d79bcdc7bc897f2c9fd", kill_on_drop: false }` [INFO] [stderr] Compiling rust_net v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `TcpListener` [INFO] [stdout] --> src/main.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::net::{TcpListener, TcpStream}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpListener` [INFO] [stdout] --> src/client.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::net::{TcpListener, TcpStream}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/client.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> src/client.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufWriter` [INFO] [stdout] --> src/client.rs:5:26 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{BufReader, BufWriter}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> src/client.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/client.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpStream` [INFO] [stdout] --> src/server.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | use std::net::{TcpListener, TcpStream}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Seek`, `Write` [INFO] [stdout] --> src/server.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{Read, Write, Seek}; [INFO] [stdout] | ^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/server.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> src/server.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crossbeam` [INFO] [stdout] --> src/server.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crossbeam; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/server.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/packet.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::endian::Endianess::*` [INFO] [stdout] --> src/packet_writer.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::endian::Endianess::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression [INFO] [stdout] --> src/main.rs:28:16 [INFO] [stdout] | [INFO] [stdout] 28 | while match(stream.read(&mut data)) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 28 - while match(stream.read(&mut data)) { [INFO] [stdout] 28 + while match stream.read(&mut data) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:31:15 [INFO] [stdout] | [INFO] [stdout] 31 | if(!data.is_empty()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 31 - if(!data.is_empty()) { [INFO] [stdout] 31 + if !data.is_empty() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `world` [INFO] [stdout] --> src/main.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | let world = Packet::new(10, b"Hello World from me!".to_vec()); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_world` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `us` [INFO] [stdout] --> src/main.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let us : u16 = 15; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_us` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/main.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | let num = vec![100, 100 as u8]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reader` [INFO] [stdout] --> src/client.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | let reader = BufReader::new(&self.stream); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/client.rs:78:36 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn handle_packet_10(&self, data : Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `endian` [INFO] [stdout] --> src/packet_writer.rs:18:33 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn write_u16(&mut self, endian : Endianess, int : u16) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_endian` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server.rs:29:21 [INFO] [stdout] | [INFO] [stdout] 29 | let mut client = stream.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: function is never used: `handle_client` [INFO] [stdout] --> src/main.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn handle_client(mut stream : TcpStream) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write_block` [INFO] [stdout] --> src/client.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn write_block(&mut self, msg : &[u8]) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `read` [INFO] [stdout] --> src/client.rs:48:12 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn read(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `listen` [INFO] [stdout] --> src/client.rs:58:12 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn listen(&mut self) -> Packet { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `handle_packet_10` [INFO] [stdout] --> src/client.rs:78:12 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn handle_packet_10(&self, data : Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | server.join(); [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/client.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | self.stream.write(msg); [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: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | reader.read_exact(&mut opcode); [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: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | reader.read_exact(&mut size); [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: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | reader.read_exact(&mut vec_data); [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: unused `Result` that must be used [INFO] [stdout] --> src/server.rs:37:24 [INFO] [stdout] | [INFO] [stdout] 37 | reader.read_exact(&mut opcode); [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: unused `Result` that must be used [INFO] [stdout] --> src/server.rs:38:24 [INFO] [stdout] | [INFO] [stdout] 38 | reader.read_exact(&mut size); [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: unused `Result` that must be used [INFO] [stdout] --> src/server.rs:42:24 [INFO] [stdout] | [INFO] [stdout] 42 | reader.read_exact(&mut vec_data); [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: 39 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "8ac4be6fe0bbf7f2716347a856dd56cba3b192f9a5ff0d79bcdc7bc897f2c9fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ac4be6fe0bbf7f2716347a856dd56cba3b192f9a5ff0d79bcdc7bc897f2c9fd", kill_on_drop: false }` [INFO] [stdout] 8ac4be6fe0bbf7f2716347a856dd56cba3b192f9a5ff0d79bcdc7bc897f2c9fd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9bd980e6973792929babc107d5a6d67edb673852438d957d270ff52a431a0bb1 [INFO] running `Command { std: "docker" "start" "-a" "9bd980e6973792929babc107d5a6d67edb673852438d957d270ff52a431a0bb1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] warning: unused import: `TcpListener` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:1:16 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 1 | use std::net::{TcpListener, TcpStream}; [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Write` [INFO] [stderr] --> src/main.rs:3:21 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::{Read, Write}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::fmt; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `TcpListener` [INFO] [stderr] --> src/client.rs:1:16 [INFO] [stderr] | [INFO] [stderr] 1 | use std::net::{TcpListener, TcpStream}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt` [INFO] [stderr] --> src/client.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::fmt; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/client.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `BufWriter` [INFO] [stderr] --> src/client.rs:5:26 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io::{BufReader, BufWriter}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str` [INFO] [stderr] --> src/client.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::str; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/client.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `TcpStream` [INFO] [stderr] --> src/server.rs:1:29 [INFO] [stderr] | [INFO] [stderr] 1 | use std::net::{TcpListener, TcpStream}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Seek`, `Write` [INFO] [stderr] --> src/server.rs:3:21 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::{Read, Write, Seek}; [INFO] [stderr] | ^^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt` [INFO] [stderr] --> src/server.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::fmt; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str` [INFO] [stderr] --> src/server.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::str; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crossbeam` [INFO] [stderr] --> src/server.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use crossbeam; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::Arc` [INFO] [stderr] --> src/server.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::sync::Arc; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::mem` [INFO] [stderr] --> src/packet.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::mem; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::endian::Endianess::*` [INFO] [stderr] --> src/packet_writer.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::endian::Endianess::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression [INFO] [stderr] --> src/main.rs:28:16 [INFO] [stderr] | [INFO] [stderr] 28 | while match(stream.read(&mut data)) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 28 - while match(stream.read(&mut data)) { [INFO] [stderr] 28 + while match stream.read(&mut data) { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:31:15 [INFO] [stderr] | [INFO] [stderr] 31 | if(!data.is_empty()) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 31 - if(!data.is_empty()) { [INFO] [stderr] 31 + if !data.is_empty() { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused variable: `world` [INFO] [stderr] --> src/main.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | let world = Packet::new(10, b"Hello World from me!".to_vec()); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_world` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `us` [INFO] [stderr] --> src/main.rs:63:9 [INFO] [stderr] | [INFO] [stderr] 63 | let us : u16 = 15; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_us` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/main.rs:65:9 [INFO] [stderr] | [INFO] [stderr] 65 | let num = vec![100, 100 as u8]; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `reader` [INFO] [stderr] --> src/client.rs:49:13 [INFO] [stderr] | [INFO] [stderr] 49 | let reader = BufReader::new(&self.stream); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/client.rs:78:36 [INFO] [stderr] | [INFO] [stderr] 78 | pub fn handle_packet_10(&self, data : Vec) { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `endian` [INFO] [stderr] --> src/packet_writer.rs:18:33 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn write_u16(&mut self, endian : Endianess, int : u16) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_endian` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/server.rs:29:21 [INFO] [stderr] | [INFO] [stderr] 29 | let mut client = stream.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: function is never used: `handle_client` [INFO] [stderr] --> src/main.rs:22:4 [INFO] [stderr] | [INFO] [stderr] 22 | fn handle_client(mut stream : TcpStream) { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `write_block` [INFO] [stderr] --> src/client.rs:32:12 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn write_block(&mut self, msg : &[u8]) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `read` [INFO] [stderr] --> src/client.rs:48:12 [INFO] [stderr] | [INFO] [stderr] 48 | pub fn read(&mut self) { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `listen` [INFO] [stderr] --> src/client.rs:58:12 [INFO] [stderr] | [INFO] [stderr] 58 | pub fn listen(&mut self) -> Packet { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `handle_packet_10` [INFO] [stderr] --> src/client.rs:78:12 [INFO] [stderr] | [INFO] [stderr] 78 | pub fn handle_packet_10(&self, data : Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:74:5 [INFO] [stderr] | [INFO] [stderr] 74 | server.join(); [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/client.rs:27:9 [INFO] [stderr] | [INFO] [stderr] 27 | self.stream.write(msg); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/client.rs:65:13 [INFO] [stderr] | [INFO] [stderr] 65 | reader.read_exact(&mut opcode); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/client.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | reader.read_exact(&mut size); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/client.rs:70:13 [INFO] [stderr] | [INFO] [stderr] 70 | reader.read_exact(&mut vec_data); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/server.rs:37:24 [INFO] [stderr] | [INFO] [stderr] 37 | reader.read_exact(&mut opcode); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/server.rs:38:24 [INFO] [stderr] | [INFO] [stderr] 38 | reader.read_exact(&mut size); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/server.rs:42:24 [INFO] [stderr] | [INFO] [stderr] 42 | reader.read_exact(&mut vec_data); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `rust_net` (bin "rust_net" test) generated 39 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.29s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_net-ac32cef9eeb3f7fa) [INFO] running `Command { std: "docker" "inspect" "9bd980e6973792929babc107d5a6d67edb673852438d957d270ff52a431a0bb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bd980e6973792929babc107d5a6d67edb673852438d957d270ff52a431a0bb1", kill_on_drop: false }` [INFO] [stdout] 9bd980e6973792929babc107d5a6d67edb673852438d957d270ff52a431a0bb1