[INFO] cloning repository https://github.com/0xFA32/TcpBenchmark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xFA32/TcpBenchmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xFA32%2FTcpBenchmark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xFA32%2FTcpBenchmark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00229162ea9a3c608fb4a2ace7efa425e8e0e955
[INFO] checking 0xFA32/TcpBenchmark against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-150727
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xFA32%2FTcpBenchmark" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0xFA32/TcpBenchmark
[INFO] finished tweaking git repo https://github.com/0xFA32/TcpBenchmark
[INFO] tweaked toml for git repo https://github.com/0xFA32/TcpBenchmark written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xFA32/TcpBenchmark on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xFA32/TcpBenchmark 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zerocopy v0.8.32
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de301bf14d3525318a72af1938e84e5efffd6f9876dc30bbe4c8c3024fe32a6b
[INFO] running `Command { std: "docker" "start" "-a" "de301bf14d3525318a72af1938e84e5efffd6f9876dc30bbe4c8c3024fe32a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de301bf14d3525318a72af1938e84e5efffd6f9876dc30bbe4c8c3024fe32a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de301bf14d3525318a72af1938e84e5efffd6f9876dc30bbe4c8c3024fe32a6b", kill_on_drop: false }`
[INFO] [stdout] de301bf14d3525318a72af1938e84e5efffd6f9876dc30bbe4c8c3024fe32a6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2899f901b69fb3dfe8f98d53c41b0e07abe455e08f91168b7bf5badb7016aa19
[INFO] running `Command { std: "docker" "start" "-a" "2899f901b69fb3dfe8f98d53c41b0e07abe455e08f91168b7bf5badb7016aa19", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.179
[INFO] [stderr]    Compiling zerocopy v0.8.32
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]     Checking thiserror v2.0.17
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking tracing-subscriber v0.3.22
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]     Checking tracing-appender v0.2.4
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stdout] warning: unused imports: `Read` and `Write`
[INFO] [stdout]  --> server/src/blocking_tcp.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Read, Write};
[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 variable: `clients`
[INFO] [stdout]   --> server/src/blocking_tcp.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         clients: Arc<Mutex<Vec<TcpStream>>>,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_clients`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `close`
[INFO] [stdout]   --> server/src/blocking_tcp.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         close: Arc<AtomicBool>,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_close`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `receiver`
[INFO] [stdout]   --> server/src/blocking_tcp.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         receiver: Receiver<Bytes>,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read` and `Write`
[INFO] [stdout]  --> server/src/blocking_tcp.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `AsyncTokio` and `AsyncIOUring` are never constructed
[INFO] [stdout]   --> server/src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum ServerType {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] 13 |     Blocking,
[INFO] [stdout] 14 |     AsyncTokio,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 15 |     AsyncIOUring,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> server/src/main.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             start_blocking_server();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |             let _ = start_blocking_server();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `clients`
[INFO] [stdout]   --> server/src/blocking_tcp.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         clients: Arc<Mutex<Vec<TcpStream>>>,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_clients`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `close`
[INFO] [stdout]   --> server/src/blocking_tcp.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         close: Arc<AtomicBool>,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_close`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `receiver`
[INFO] [stdout]   --> server/src/blocking_tcp.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         receiver: Receiver<Bytes>,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `AsyncTokio` and `AsyncIOUring` are never constructed
[INFO] [stdout]   --> server/src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum ServerType {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] 13 |     Blocking,
[INFO] [stdout] 14 |     AsyncTokio,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 15 |     AsyncIOUring,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> server/src/main.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             start_blocking_server();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |             let _ = start_blocking_server();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.14s
[INFO] running `Command { std: "docker" "inspect" "2899f901b69fb3dfe8f98d53c41b0e07abe455e08f91168b7bf5badb7016aa19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2899f901b69fb3dfe8f98d53c41b0e07abe455e08f91168b7bf5badb7016aa19", kill_on_drop: false }`
[INFO] [stdout] 2899f901b69fb3dfe8f98d53c41b0e07abe455e08f91168b7bf5badb7016aa19
