[INFO] cloning repository https://github.com/wavepig/chat-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wavepig/chat-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwavepig%2Fchat-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwavepig%2Fchat-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d5f512251b3901db7c67a37376fd88436c6d652
[INFO] testing wavepig/chat-rust against 1.85.0 for beta-1.86-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwavepig%2Fchat-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wavepig/chat-rust on toolchain 1.85.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.85.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wavepig/chat-rust
[INFO] finished tweaking git repo https://github.com/wavepig/chat-rust
[INFO] tweaked toml for git repo https://github.com/wavepig/chat-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/wavepig/chat-rust 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" "+1.85.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52bb881716dceb4aa425bd76daeefc8a7ba3dec75d65ab16c39461477d80434d
[INFO] running `Command { std: "docker" "start" "-a" "52bb881716dceb4aa425bd76daeefc8a7ba3dec75d65ab16c39461477d80434d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52bb881716dceb4aa425bd76daeefc8a7ba3dec75d65ab16c39461477d80434d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52bb881716dceb4aa425bd76daeefc8a7ba3dec75d65ab16c39461477d80434d", kill_on_drop: false }`
[INFO] [stdout] 52bb881716dceb4aa425bd76daeefc8a7ba3dec75d65ab16c39461477d80434d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2130461b7bebb674166c63481ddb5e34895350cc8e7f308dd2428c0f9143522
[INFO] running `Command { std: "docker" "start" "-a" "d2130461b7bebb674166c63481ddb5e34895350cc8e7f308dd2428c0f9143522", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling stability v0.2.0
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.60
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling strum v0.26.2
[INFO] [stderr]    Compiling ratatui v0.26.2
[INFO] [stderr]    Compiling smawk v0.3.2
[INFO] [stderr]    Compiling unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling textwrap v0.16.1
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling tracing-appender v0.2.3
[INFO] [stderr]    Compiling fastrand v2.1.0
[INFO] [stderr]    Compiling clap v4.5.4
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling tui-textarea v0.4.0
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling tokio-stream v0.1.15
[INFO] [stderr]    Compiling tokio-util v0.7.11
[INFO] [stderr]    Compiling chat-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`, and `collections::HashSet`
[INFO] [stdout]  --> src/lib.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashSet, sync::{Arc, Mutex}};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^         ^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`, `TcpListener`, and `self`
[INFO] [stdout]  --> src/lib.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::{net::{TcpListener, TcpStream}, sync::broadcast::{self, Sender, Receiver}};
[INFO] [stdout]   |                   ^^^^^^^^^^^                                ^^^^  ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LinesCodecError` and `LinesCodec`
[INFO] [stdout]  --> src/lib.rs:5:90
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio_util::codec::{Decoder, Encoder, FramedRead, FramedWrite, LengthDelimitedCodec, LinesCodec, LinesCodecError};
[INFO] [stdout]   |                                                                                          ^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut` and `BytesMut`
[INFO] [stdout]  --> src/lib.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use bytes::{Buf, BufMut, BytesMut};
[INFO] [stdout]   |                  ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Receiver`
[INFO] [stdout]  --> src/shared/lib.rs:7:38
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::sync::broadcast::{Sender, Receiver};
[INFO] [stdout]   |                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Buf`
[INFO] [stdout]  --> src/shared/length_code.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bytes::{Buf, BufMut, BytesMut};
[INFO] [stdout]   |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Encoder`
[INFO] [stdout]  --> src/lib.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio_util::codec::{Decoder, Encoder, FramedRead, FramedWrite, LengthDelimitedCodec, LinesCodec, LinesCodecError};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Decoder`
[INFO] [stdout]  --> src/lib.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio_util::codec::{Decoder, Encoder, FramedRead, FramedWrite, LengthDelimitedCodec, LinesCodec, LinesCodecError};
[INFO] [stdout]   |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Sender`, `TcpStream`, and `self`
[INFO] [stdout]  --> src/main.rs:2:32
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio::{net::{TcpListener, TcpStream}, sync::broadcast::{self, Sender}};
[INFO] [stdout]   |                                ^^^^^^^^^                     ^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]  --> src/main.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tracing::{error, info};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_subscriber::fmt::writer::MakeWriterExt`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tracing_subscriber::fmt::writer::MakeWriterExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "d2130461b7bebb674166c63481ddb5e34895350cc8e7f308dd2428c0f9143522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2130461b7bebb674166c63481ddb5e34895350cc8e7f308dd2428c0f9143522", kill_on_drop: false }`
[INFO] [stdout] d2130461b7bebb674166c63481ddb5e34895350cc8e7f308dd2428c0f9143522
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb49ac1debe5216a097686673ff8df23e4625b8e5e26c00cc2569499d8d08042
[INFO] running `Command { std: "docker" "start" "-a" "eb49ac1debe5216a097686673ff8df23e4625b8e5e26c00cc2569499d8d08042", kill_on_drop: false }`
[INFO] [stderr]    Compiling chat-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`, and `collections::HashSet`
[INFO] [stdout]  --> src/lib.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashSet, sync::{Arc, Mutex}};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^         ^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`, `TcpListener`, and `self`
[INFO] [stdout]  --> src/lib.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::{net::{TcpListener, TcpStream}, sync::broadcast::{self, Sender, Receiver}};
[INFO] [stdout]   |                   ^^^^^^^^^^^                                ^^^^  ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LinesCodecError` and `LinesCodec`
[INFO] [stdout]  --> src/lib.rs:5:90
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio_util::codec::{Decoder, Encoder, FramedRead, FramedWrite, LengthDelimitedCodec, LinesCodec, LinesCodecError};
[INFO] [stdout]   |                                                                                          ^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut` and `BytesMut`
[INFO] [stdout]  --> src/lib.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use bytes::{Buf, BufMut, BytesMut};
[INFO] [stdout]   |                  ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Receiver`
[INFO] [stdout]  --> src/shared/lib.rs:7:38
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::sync::broadcast::{Sender, Receiver};
[INFO] [stdout]   |                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Buf`
[INFO] [stdout]  --> src/shared/length_code.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bytes::{Buf, BufMut, BytesMut};
[INFO] [stdout]   |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Encoder`
[INFO] [stdout]  --> src/lib.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio_util::codec::{Decoder, Encoder, FramedRead, FramedWrite, LengthDelimitedCodec, LinesCodec, LinesCodecError};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Decoder`
[INFO] [stdout]  --> src/lib.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio_util::codec::{Decoder, Encoder, FramedRead, FramedWrite, LengthDelimitedCodec, LinesCodec, LinesCodecError};
[INFO] [stdout]   |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`, and `collections::HashSet`
[INFO] [stdout]  --> src/lib.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashSet, sync::{Arc, Mutex}};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^         ^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`, `TcpListener`, and `self`
[INFO] [stdout]  --> src/lib.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::{net::{TcpListener, TcpStream}, sync::broadcast::{self, Sender, Receiver}};
[INFO] [stdout]   |                   ^^^^^^^^^^^                                ^^^^  ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LinesCodecError` and `LinesCodec`
[INFO] [stdout]  --> src/lib.rs:5:90
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio_util::codec::{Decoder, Encoder, FramedRead, FramedWrite, LengthDelimitedCodec, LinesCodec, LinesCodecError};
[INFO] [stdout]   |                                                                                          ^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut` and `BytesMut`
[INFO] [stdout]  --> src/lib.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use bytes::{Buf, BufMut, BytesMut};
[INFO] [stdout]   |                  ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Receiver`
[INFO] [stdout]  --> src/shared/lib.rs:7:38
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::sync::broadcast::{Sender, Receiver};
[INFO] [stdout]   |                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Buf`
[INFO] [stdout]  --> src/shared/length_code.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bytes::{Buf, BufMut, BytesMut};
[INFO] [stdout]   |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Sender`, `TcpStream`, and `self`
[INFO] [stdout]  --> src/main.rs:2:32
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio::{net::{TcpListener, TcpStream}, sync::broadcast::{self, Sender}};
[INFO] [stdout]   |                                ^^^^^^^^^                     ^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]  --> src/main.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tracing::{error, info};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_subscriber::fmt::writer::MakeWriterExt`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tracing_subscriber::fmt::writer::MakeWriterExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Encoder`
[INFO] [stdout]  --> src/lib.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio_util::codec::{Decoder, Encoder, FramedRead, FramedWrite, LengthDelimitedCodec, LinesCodec, LinesCodecError};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Decoder`
[INFO] [stdout]  --> src/lib.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio_util::codec::{Decoder, Encoder, FramedRead, FramedWrite, LengthDelimitedCodec, LinesCodec, LinesCodecError};
[INFO] [stdout]   |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "eb49ac1debe5216a097686673ff8df23e4625b8e5e26c00cc2569499d8d08042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb49ac1debe5216a097686673ff8df23e4625b8e5e26c00cc2569499d8d08042", kill_on_drop: false }`
[INFO] [stdout] eb49ac1debe5216a097686673ff8df23e4625b8e5e26c00cc2569499d8d08042
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d7523912eab2676834277dc3f18afe0b123708902a20e7facac6ff5fc829a969
[INFO] running `Command { std: "docker" "start" "-a" "d7523912eab2676834277dc3f18afe0b123708902a20e7facac6ff5fc829a969", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`, and `collections::HashSet`
[INFO] [stderr]  --> src/lib.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{collections::HashSet, sync::{Arc, Mutex}};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^^^         ^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Receiver`, `Sender`, `TcpListener`, and `self`
[INFO] [stderr]  --> src/lib.rs:4:19
[INFO] [stderr]   |
[INFO] [stderr] 4 | use tokio::{net::{TcpListener, TcpStream}, sync::broadcast::{self, Sender, Receiver}};
[INFO] [stderr]   |                   ^^^^^^^^^^^                                ^^^^  ^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `LinesCodecError` and `LinesCodec`
[INFO] [stderr]  --> src/lib.rs:5:90
[INFO] [stderr]   |
[INFO] [stderr] 5 | use tokio_util::codec::{Decoder, Encoder, FramedRead, FramedWrite, LengthDelimitedCodec, LinesCodec, LinesCodecError};
[INFO] [stderr]   |                                                                                          ^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufMut` and `BytesMut`
[INFO] [stderr]  --> src/lib.rs:6:18
[INFO] [stderr]   |
[INFO] [stderr] 6 | use bytes::{Buf, BufMut, BytesMut};
[INFO] [stderr]   |                  ^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Receiver`
[INFO] [stderr]  --> src/shared/lib.rs:7:38
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tokio::sync::broadcast::{Sender, Receiver};
[INFO] [stderr]   |                                      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Buf`
[INFO] [stderr]  --> src/shared/length_code.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use bytes::{Buf, BufMut, BytesMut};
[INFO] [stderr]   |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Encoder`
[INFO] [stderr]  --> src/lib.rs:5:34
[INFO] [stderr]   |
[INFO] [stderr] 5 | use tokio_util::codec::{Decoder, Encoder, FramedRead, FramedWrite, LengthDelimitedCodec, LinesCodec, LinesCodecError};
[INFO] [stderr]   |                                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Decoder`
[INFO] [stderr]  --> src/lib.rs:5:25
[INFO] [stderr]   |
[INFO] [stderr] 5 | use tokio_util::codec::{Decoder, Encoder, FramedRead, FramedWrite, LengthDelimitedCodec, LinesCodec, LinesCodecError};
[INFO] [stderr]   |                         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chat-server` (lib) generated 8 warnings (run `cargo fix --lib -p chat-server` to apply 6 suggestions)
[INFO] [stderr] warning: `chat-server` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr] warning: unused imports: `Sender`, `TcpStream`, and `self`
[INFO] [stderr]  --> src/main.rs:2:32
[INFO] [stderr]   |
[INFO] [stderr] 2 | use tokio::{net::{TcpListener, TcpStream}, sync::broadcast::{self, Sender}};
[INFO] [stderr]   |                                ^^^^^^^^^                     ^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `info`
[INFO] [stderr]  --> src/main.rs:3:22
[INFO] [stderr]   |
[INFO] [stderr] 3 | use tracing::{error, info};
[INFO] [stderr]   |                      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tracing_subscriber::fmt::writer::MakeWriterExt`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tracing_subscriber::fmt::writer::MakeWriterExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chat-server` (bin "chat-server" test) generated 3 warnings (run `cargo fix --bin "chat-server" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chat_server-34580571cfe9b180)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chat_server-a0d3c33852f9da3a)
[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] [stderr]    Doc-tests chat_server
[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" "d7523912eab2676834277dc3f18afe0b123708902a20e7facac6ff5fc829a969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7523912eab2676834277dc3f18afe0b123708902a20e7facac6ff5fc829a969", kill_on_drop: false }`
[INFO] [stdout] d7523912eab2676834277dc3f18afe0b123708902a20e7facac6ff5fc829a969