[INFO] cloning repository https://github.com/seftontycho/scylla
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seftontycho/scylla" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseftontycho%2Fscylla", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseftontycho%2Fscylla'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dbfdabbd88cf12d7cb499c84e0113b5abb1f1b6d
[INFO] testing seftontycho/scylla against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseftontycho%2Fscylla" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/seftontycho/scylla
[INFO] finished tweaking git repo https://github.com/seftontycho/scylla
[INFO] tweaked toml for git repo https://github.com/seftontycho/scylla written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/seftontycho/scylla on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/seftontycho/scylla 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccfcf2b0ebd0cdebf68ab9b21b6420e024c4d0968dc7c395e9ce46abcba73f89
[INFO] running `Command { std: "docker" "start" "-a" "ccfcf2b0ebd0cdebf68ab9b21b6420e024c4d0968dc7c395e9ce46abcba73f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccfcf2b0ebd0cdebf68ab9b21b6420e024c4d0968dc7c395e9ce46abcba73f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccfcf2b0ebd0cdebf68ab9b21b6420e024c4d0968dc7c395e9ce46abcba73f89", kill_on_drop: false }`
[INFO] [stdout] ccfcf2b0ebd0cdebf68ab9b21b6420e024c4d0968dc7c395e9ce46abcba73f89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76ec0ee626b39571626f4e8d88c6a9f5374ff0a93c9780785edb316088c69cb2
[INFO] running `Command { std: "docker" "start" "-a" "76ec0ee626b39571626f4e8d88c6a9f5374ff0a93c9780785edb316088c69cb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling anstyle v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]    Compiling fasthash-sys v0.3.2
[INFO] [stderr]    Compiling anstream v0.5.0
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.12
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling clap_lex v0.5.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling clap_builder v4.4.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling xoroshiro128 v0.3.0
[INFO] [stderr]    Compiling xattr v1.0.1
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling filetime v0.2.22
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling socket2 v0.5.3
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling iana-time-zone v0.1.57
[INFO] [stderr]    Compiling seahash v3.0.7
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling fastrand v2.0.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling flate2 v1.0.27
[INFO] [stderr]    Compiling tempfile v3.8.0
[INFO] [stderr]    Compiling chrono v0.4.26
[INFO] [stderr]    Compiling uuid v1.4.1
[INFO] [stderr]    Compiling tar v0.4.40
[INFO] [stderr]    Compiling fasthash v0.4.0
[INFO] [stderr]    Compiling clap_derive v4.4.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling tokio v1.32.0
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling clap v4.4.0
[INFO] [stderr]    Compiling scylla v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `step_handle`
[INFO] [stdout]   --> src/root.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let step_handle =
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_step_handle`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `read_tasks`
[INFO] [stdout]    --> src/root.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let read_tasks = readers
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_tasks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `write_tasks`
[INFO] [stdout]    --> src/root.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let write_tasks = writers
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_write_tasks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `send_task`
[INFO] [stdout]    --> src/root.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |     let send_task = tokio::task::spawn(async move {
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_send_task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle_tasks`
[INFO] [stdout]    --> src/root.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let handle_tasks = read_queue_rxs
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle_tasks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/root.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     mut streams: Vec<tokio::net::TcpStream>,
[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: field `addresses` is never read
[INFO] [stdout]   --> src/root.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Root {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 11 |     addresses: Vec<SocketAddr>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `step` is never used
[INFO] [stdout]   --> src/root.rs:87:10
[INFO] [stdout]    |
[INFO] [stdout] 87 | async fn step(
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_messages` is never used
[INFO] [stdout]    --> src/root.rs:169:10
[INFO] [stdout]     |
[INFO] [stdout] 169 | async fn handle_messages(
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `read_task`
[INFO] [stdout]    --> src/bin/node.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |     let read_task = tokio::task::spawn(async move {
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_task`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `write_task`
[INFO] [stdout]    --> src/bin/node.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |     let write_task = tokio::task::spawn(async move {
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_write_task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run_task`
[INFO] [stdout]    --> src/bin/node.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |     let run_task = tokio::task::spawn(async move {
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_run_task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "76ec0ee626b39571626f4e8d88c6a9f5374ff0a93c9780785edb316088c69cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76ec0ee626b39571626f4e8d88c6a9f5374ff0a93c9780785edb316088c69cb2", kill_on_drop: false }`
[INFO] [stdout] 76ec0ee626b39571626f4e8d88c6a9f5374ff0a93c9780785edb316088c69cb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c78eb0605cf32194aae1ff121af2825024ca6e98c254205e35c0bdc99663953
[INFO] running `Command { std: "docker" "start" "-a" "6c78eb0605cf32194aae1ff121af2825024ca6e98c254205e35c0bdc99663953", kill_on_drop: false }`
[INFO] [stderr]    Compiling scylla v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `step_handle`
[INFO] [stdout]   --> src/root.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let step_handle =
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_step_handle`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `read_tasks`
[INFO] [stdout]    --> src/root.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let read_tasks = readers
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_tasks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `write_tasks`
[INFO] [stdout]    --> src/root.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let write_tasks = writers
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_write_tasks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `send_task`
[INFO] [stdout]    --> src/root.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |     let send_task = tokio::task::spawn(async move {
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_send_task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle_tasks`
[INFO] [stdout]    --> src/root.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let handle_tasks = read_queue_rxs
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle_tasks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/root.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     mut streams: Vec<tokio::net::TcpStream>,
[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: field `addresses` is never read
[INFO] [stdout]   --> src/root.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Root {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 11 |     addresses: Vec<SocketAddr>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `step` is never used
[INFO] [stdout]   --> src/root.rs:87:10
[INFO] [stdout]    |
[INFO] [stdout] 87 | async fn step(
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_messages` is never used
[INFO] [stdout]    --> src/root.rs:169:10
[INFO] [stdout]     |
[INFO] [stdout] 169 | async fn handle_messages(
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `read_task`
[INFO] [stdout]    --> src/bin/node.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |     let read_task = tokio::task::spawn(async move {
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_task`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `write_task`
[INFO] [stdout]    --> src/bin/node.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |     let write_task = tokio::task::spawn(async move {
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_write_task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run_task`
[INFO] [stdout]    --> src/bin/node.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |     let run_task = tokio::task::spawn(async move {
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_run_task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step_handle`
[INFO] [stdout]   --> src/root.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let step_handle =
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_step_handle`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `read_tasks`
[INFO] [stdout]    --> src/root.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let read_tasks = readers
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_tasks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `write_tasks`
[INFO] [stdout]    --> src/root.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let write_tasks = writers
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_write_tasks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `send_task`
[INFO] [stdout]    --> src/root.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |     let send_task = tokio::task::spawn(async move {
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_send_task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle_tasks`
[INFO] [stdout]    --> src/root.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let handle_tasks = read_queue_rxs
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle_tasks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/root.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     mut streams: Vec<tokio::net::TcpStream>,
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.08s
[INFO] running `Command { std: "docker" "inspect" "6c78eb0605cf32194aae1ff121af2825024ca6e98c254205e35c0bdc99663953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c78eb0605cf32194aae1ff121af2825024ca6e98c254205e35c0bdc99663953", kill_on_drop: false }`
[INFO] [stdout] 6c78eb0605cf32194aae1ff121af2825024ca6e98c254205e35c0bdc99663953
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 925ccf14761d40686da6f50739310488de3ee88e95229a5c0c4573341bf8f68f
[INFO] running `Command { std: "docker" "start" "-a" "925ccf14761d40686da6f50739310488de3ee88e95229a5c0c4573341bf8f68f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `step_handle`
[INFO] [stderr]   --> src/root.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let step_handle =
[INFO] [stderr]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_step_handle`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `read_tasks`
[INFO] [stderr]    --> src/root.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let read_tasks = readers
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_tasks`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `write_tasks`
[INFO] [stderr]    --> src/root.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |     let write_tasks = writers
[INFO] [stderr]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_write_tasks`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `send_task`
[INFO] [stderr]    --> src/root.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |     let send_task = tokio::task::spawn(async move {
[INFO] [stderr]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_send_task`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handle_tasks`
[INFO] [stderr]    --> src/root.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |     let handle_tasks = read_queue_rxs
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle_tasks`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/root.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     mut streams: Vec<tokio::net::TcpStream>,
[INFO] [stderr]    |     ----^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `addresses` is never read
[INFO] [stderr]   --> src/root.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Root {
[INFO] [stderr]    |            ---- field in this struct
[INFO] [stderr] 11 |     addresses: Vec<SocketAddr>,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `step` is never used
[INFO] [stderr]   --> src/root.rs:87:10
[INFO] [stderr]    |
[INFO] [stderr] 87 | async fn step(
[INFO] [stderr]    |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `handle_messages` is never used
[INFO] [stderr]    --> src/root.rs:169:10
[INFO] [stderr]     |
[INFO] [stderr] 169 | async fn handle_messages(
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `scylla` (lib) generated 9 warnings (run `cargo fix --lib -p scylla` to apply 1 suggestion)
[INFO] [stderr] warning: `scylla` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr] warning: unused variable: `read_task`
[INFO] [stderr]    --> src/bin/node.rs:212:9
[INFO] [stderr]     |
[INFO] [stderr] 212 |     let read_task = tokio::task::spawn(async move {
[INFO] [stderr]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_task`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `write_task`
[INFO] [stderr]    --> src/bin/node.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |     let write_task = tokio::task::spawn(async move {
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_write_task`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `run_task`
[INFO] [stderr]    --> src/bin/node.rs:228:9
[INFO] [stderr]     |
[INFO] [stderr] 228 |     let run_task = tokio::task::spawn(async move {
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_run_task`
[INFO] [stderr] 
[INFO] [stderr] warning: `scylla` (bin "node" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scylla-cc7c60dc6a71befe)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test root::tests::test_root_hello_world ... FAILED
[INFO] [stdout] test root::tests::test_root_prime_factors ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- root::tests::test_root_hello_world stdout ----
[INFO] [stdout] Error: Failed to connect to node at address {addr:?}
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Connection refused (os error 111)
[INFO] [stdout] 
[INFO] [stdout] ---- root::tests::test_root_prime_factors stdout ----
[INFO] [stdout] Error: Failed to connect to node at address {addr:?}
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Connection refused (os error 111)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     root::tests::test_root_hello_world
[INFO] [stdout]     root::tests::test_root_prime_factors
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "925ccf14761d40686da6f50739310488de3ee88e95229a5c0c4573341bf8f68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "925ccf14761d40686da6f50739310488de3ee88e95229a5c0c4573341bf8f68f", kill_on_drop: false }`
[INFO] [stdout] 925ccf14761d40686da6f50739310488de3ee88e95229a5c0c4573341bf8f68f
