[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] checking wavepig/chat-rust against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwavepig%2Fchat-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[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-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wavepig/chat-rust on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+b1f2594eac607c1f051534800237eeedb5590a49" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac2b937d8c247953eb74d74a73cab1180d3ca17bc4e5d4894143fb23f55504bf
[INFO] running `Command { std: "docker" "start" "-a" "ac2b937d8c247953eb74d74a73cab1180d3ca17bc4e5d4894143fb23f55504bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac2b937d8c247953eb74d74a73cab1180d3ca17bc4e5d4894143fb23f55504bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac2b937d8c247953eb74d74a73cab1180d3ca17bc4e5d4894143fb23f55504bf", kill_on_drop: false }`
[INFO] [stdout] ac2b937d8c247953eb74d74a73cab1180d3ca17bc4e5d4894143fb23f55504bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6121c03c05b1f6110ee5a6584cb579ea3ec3f7a32144cebd18cf44aacd2aed42
[INFO] running `Command { std: "docker" "start" "-a" "6121c03c05b1f6110ee5a6584cb579ea3ec3f7a32144cebd18cf44aacd2aed42", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling rustversion v1.0.16
[INFO] [stderr]     Checking zerocopy v0.7.34
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking castaway v0.2.2
[INFO] [stderr]     Checking compact_str v0.7.1
[INFO] [stderr]     Checking parking_lot_core v0.9.10
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[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]    Compiling syn v2.0.63
[INFO] [stderr]     Checking signal-hook v0.3.17
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[INFO] [stderr]     Checking time v0.3.36
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[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling strum_macros v0.26.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.60
[INFO] [stderr]    Compiling stability v0.2.0
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking thiserror v1.0.60
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
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[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking 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)]` (part of `#[warn(unused)]`) 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: `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)]` (part of `#[warn(unused)]`) 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 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)]` (part of `#[warn(unused)]`) 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 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)]` (part of `#[warn(unused)]`) 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 24.99s
[INFO] running `Command { std: "docker" "inspect" "6121c03c05b1f6110ee5a6584cb579ea3ec3f7a32144cebd18cf44aacd2aed42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6121c03c05b1f6110ee5a6584cb579ea3ec3f7a32144cebd18cf44aacd2aed42", kill_on_drop: false }`
[INFO] [stdout] 6121c03c05b1f6110ee5a6584cb579ea3ec3f7a32144cebd18cf44aacd2aed42
