[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 1.90.0 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-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/seftontycho/scylla on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xoroshiro128 v0.3.0
[INFO] [stderr]   Downloaded tar v0.4.40
[INFO] [stderr]   Downloaded clap v4.4.0
[INFO] [stderr]   Downloaded clap_derive v4.4.0
[INFO] [stderr]   Downloaded seahash v3.0.7
[INFO] [stderr]   Downloaded tracing-attributes v0.1.26
[INFO] [stderr]   Downloaded fasthash v0.4.0
[INFO] [stderr]   Downloaded clap_builder v4.4.0
[INFO] [stderr]   Downloaded fasthash-sys v0.3.2
[INFO] [stderr]   Downloaded xattr v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca25821dc995244c80d2f2cbe22e527add7e27349736b2c7f1732f8aca441bd6
[INFO] running `Command { std: "docker" "start" "-a" "ca25821dc995244c80d2f2cbe22e527add7e27349736b2c7f1732f8aca441bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca25821dc995244c80d2f2cbe22e527add7e27349736b2c7f1732f8aca441bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca25821dc995244c80d2f2cbe22e527add7e27349736b2c7f1732f8aca441bd6", kill_on_drop: false }`
[INFO] [stdout] ca25821dc995244c80d2f2cbe22e527add7e27349736b2c7f1732f8aca441bd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfe270198924c6458c0b07751740adaf05ce0143d91d7c2b75a1f31c7b7b2ea5
[INFO] running `Command { std: "docker" "start" "-a" "bfe270198924c6458c0b07751740adaf05ce0143d91d7c2b75a1f31c7b7b2ea5", 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 anstyle v1.0.2
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]    Compiling anstream v0.5.0
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]    Compiling clap_lex v0.5.1
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling fasthash-sys v0.3.2
[INFO] [stderr]    Compiling linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.12
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling filetime v0.2.22
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling xoroshiro128 v0.3.0
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling socket2 v0.5.3
[INFO] [stderr]    Compiling xattr v1.0.1
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling clap_builder v4.4.0
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling fastrand v2.0.0
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.57
[INFO] [stderr]    Compiling seahash v3.0.7
[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 tar v0.4.40
[INFO] [stderr]    Compiling uuid v1.4.1
[INFO] [stderr]    Compiling chrono v0.4.26
[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 fasthash v0.4.0
[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)]` 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)]` 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)]` 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)]` 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 57.77s
[INFO] running `Command { std: "docker" "inspect" "bfe270198924c6458c0b07751740adaf05ce0143d91d7c2b75a1f31c7b7b2ea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfe270198924c6458c0b07751740adaf05ce0143d91d7c2b75a1f31c7b7b2ea5", kill_on_drop: false }`
[INFO] [stdout] bfe270198924c6458c0b07751740adaf05ce0143d91d7c2b75a1f31c7b7b2ea5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33f1a975d861d9c534d4880d78b238deaeacf89531e80140687a1b601a23e957
[INFO] running `Command { std: "docker" "start" "-a" "33f1a975d861d9c534d4880d78b238deaeacf89531e80140687a1b601a23e957", kill_on_drop: false }`
[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)]` 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)]` 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)]` 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] [stderr]    Compiling scylla v0.1.0 (/opt/rustwide/workdir)
[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)]` 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.41s
[INFO] running `Command { std: "docker" "inspect" "33f1a975d861d9c534d4880d78b238deaeacf89531e80140687a1b601a23e957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33f1a975d861d9c534d4880d78b238deaeacf89531e80140687a1b601a23e957", kill_on_drop: false }`
[INFO] [stdout] 33f1a975d861d9c534d4880d78b238deaeacf89531e80140687a1b601a23e957
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 264c5a07c2c217c403000b06e4f96177cd52dbab1f8a2163b988c287b4636861
[INFO] running `Command { std: "docker" "start" "-a" "264c5a07c2c217c403000b06e4f96177cd52dbab1f8a2163b988c287b4636861", 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)]` 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)]` 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)]` 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)]` 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 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scylla-5ec6279d75b20da2)
[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] [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 0.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "264c5a07c2c217c403000b06e4f96177cd52dbab1f8a2163b988c287b4636861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "264c5a07c2c217c403000b06e4f96177cd52dbab1f8a2163b988c287b4636861", kill_on_drop: false }`
[INFO] [stdout] 264c5a07c2c217c403000b06e4f96177cd52dbab1f8a2163b988c287b4636861
