[INFO] cloning repository https://github.com/joseCarlosAndrade/drawing-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joseCarlosAndrade/drawing-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjoseCarlosAndrade%2Fdrawing-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjoseCarlosAndrade%2Fdrawing-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 613fbdcb09ba670f498e73f1d9ffff7fb6bafd78
[INFO] checking joseCarlosAndrade/drawing-server against master#656ccbe796ff98def9b555c118e1620c5389e3b2 for pr-133502-24
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjoseCarlosAndrade%2Fdrawing-server" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/joseCarlosAndrade/drawing-server
[INFO] finished tweaking git repo https://github.com/joseCarlosAndrade/drawing-server
[INFO] tweaked toml for git repo https://github.com/joseCarlosAndrade/drawing-server written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/joseCarlosAndrade/drawing-server on toolchain 656ccbe796ff98def9b555c118e1620c5389e3b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/joseCarlosAndrade/drawing-server 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" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matchers v0.0.1
[INFO] [stderr]   Downloaded tracing-serde v0.1.3
[INFO] [stderr]   Downloaded tracing-log v0.1.4
[INFO] [stderr]   Downloaded mini-redis v0.4.1
[INFO] [stderr]   Downloaded atoi v0.3.3
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 710e9c9287f05c27c0487238474973e8f7749b718ef2aa2ff2d51cea63353d13
[INFO] running `Command { std: "docker" "start" "710e9c9287f05c27c0487238474973e8f7749b718ef2aa2ff2d51cea63353d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "710e9c9287f05c27c0487238474973e8f7749b718ef2aa2ff2d51cea63353d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "710e9c9287f05c27c0487238474973e8f7749b718ef2aa2ff2d51cea63353d13" "/opt/rustwide/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "710e9c9287f05c27c0487238474973e8f7749b718ef2aa2ff2d51cea63353d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "710e9c9287f05c27c0487238474973e8f7749b718ef2aa2ff2d51cea63353d13" "/opt/rustwide/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling zmij v1.0.14
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking tracing-subscriber v0.3.22
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking tokio v1.49.0
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking atoi v0.3.3
[INFO] [stderr]     Checking tungstenite v0.21.0
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking tokio-stream v0.1.18
[INFO] [stderr]     Checking tokio-tungstenite v0.21.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking mini-redis v0.4.1
[INFO] [stderr]     Checking drawing_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tungstenite::Message`
[INFO] [stdout]  --> src/main.rs:5:39
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio_tungstenite::{accept_async, tungstenite::Message}; // deals with websocket protocol
[INFO] [stdout]   |                                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SinkExt`
[INFO] [stdout]  --> src/main.rs:7:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_util::{StreamExt, SinkExt}; // provides utilities like next(), map(), filter() on stream data
[INFO] [stdout]   |                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> src/main.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tracing::{error, info, warn, debug};
[INFO] [stdout]   |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> src/models.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SinkExt`
[INFO] [stdout]  --> src/client.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures_util::{SinkExt, StreamExt, stream::{SplitSink, SplitStream}};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug` and `info`
[INFO] [stdout]  --> src/client.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tracing::{warn, info, error, debug};
[INFO] [stdout]   |                     ^^^^         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tungstenite::Message`
[INFO] [stdout]  --> src/main.rs:5:39
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio_tungstenite::{accept_async, tungstenite::Message}; // deals with websocket protocol
[INFO] [stdout]   |                                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SinkExt`
[INFO] [stdout]  --> src/main.rs:7:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_util::{StreamExt, SinkExt}; // provides utilities like next(), map(), filter() on stream data
[INFO] [stdout]   |                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> src/main.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tracing::{error, info, warn, debug};
[INFO] [stdout]   |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> src/models.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SinkExt`
[INFO] [stdout]  --> src/client.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures_util::{SinkExt, StreamExt, stream::{SplitSink, SplitStream}};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug` and `info`
[INFO] [stdout]  --> src/client.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tracing::{warn, info, error, debug};
[INFO] [stdout]   |                     ^^^^         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let (mut write_half, mut read_half) = ws_stream.split();
[INFO] [stdout]    |          ----^^^^^^^^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let (mut write_half, mut read_half) = ws_stream.split();
[INFO] [stdout]    |          ----^^^^^^^^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `write_half`
[INFO] [stdout]   --> src/main.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let (mut write_half, mut read_half) = ws_stream.split();
[INFO] [stdout]    |          ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_write_half`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Status` is never used
[INFO] [stdout]  --> src/client.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Status{
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `WriterHalf` is never used
[INFO] [stdout]   --> src/client.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | type WriterHalf = SplitSink<WebSocketStream<TcpStream>, Message>;
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ReaderHalf` is never used
[INFO] [stdout]   --> src/client.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | type ReaderHalf = SplitStream<WebSocketStream<TcpStream>>;
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClientHandler` is never constructed
[INFO] [stdout]   --> src/client.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ClientHandler {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `connect`, and `process_incoming_stream` are never used
[INFO] [stdout]    --> src/client.rs:59:8
[INFO] [stdout]     |
[INFO] [stdout]  58 | impl ClientHandler {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout]  59 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  71 |     async fn connect(&mut self, stream : TcpStream, info : &SocketAddr) -> Result<(), String> {
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     async fn process_incoming_stream(&mut self) -> Result<(), String> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `write_half`
[INFO] [stdout]   --> src/main.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let (mut write_half, mut read_half) = ws_stream.split();
[INFO] [stdout]    |          ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_write_half`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Status` is never used
[INFO] [stdout]  --> src/client.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Status{
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `WriterHalf` is never used
[INFO] [stdout]   --> src/client.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | type WriterHalf = SplitSink<WebSocketStream<TcpStream>, Message>;
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ReaderHalf` is never used
[INFO] [stdout]   --> src/client.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | type ReaderHalf = SplitStream<WebSocketStream<TcpStream>>;
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClientHandler` is never constructed
[INFO] [stdout]   --> src/client.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ClientHandler {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `connect`, and `process_incoming_stream` are never used
[INFO] [stdout]    --> src/client.rs:59:8
[INFO] [stdout]     |
[INFO] [stdout]  58 | impl ClientHandler {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout]  59 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  71 |     async fn connect(&mut self, stream : TcpStream, info : &SocketAddr) -> Result<(), String> {
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     async fn process_incoming_stream(&mut self) -> Result<(), String> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.34s
[INFO] running `Command { std: "docker" "inspect" "710e9c9287f05c27c0487238474973e8f7749b718ef2aa2ff2d51cea63353d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "710e9c9287f05c27c0487238474973e8f7749b718ef2aa2ff2d51cea63353d13", kill_on_drop: false }`
[INFO] [stdout] 710e9c9287f05c27c0487238474973e8f7749b718ef2aa2ff2d51cea63353d13
