[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] checking seftontycho/scylla against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[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 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbc1fa0f4fb804f03e1b48281ea15a1df20ba6d75c424b1cf6287756071ee038
[INFO] running `Command { std: "docker" "start" "-a" "cbc1fa0f4fb804f03e1b48281ea15a1df20ba6d75c424b1cf6287756071ee038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbc1fa0f4fb804f03e1b48281ea15a1df20ba6d75c424b1cf6287756071ee038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc1fa0f4fb804f03e1b48281ea15a1df20ba6d75c424b1cf6287756071ee038", kill_on_drop: false }`
[INFO] [stdout] cbc1fa0f4fb804f03e1b48281ea15a1df20ba6d75c424b1cf6287756071ee038
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e033a8e707eb994f5f248cd3a8cb094f35982f6e3e631950f7b9866559c6d80
[INFO] running `Command { std: "docker" "start" "-a" "1e033a8e707eb994f5f248cd3a8cb094f35982f6e3e631950f7b9866559c6d80", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking xattr v1.0.1
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]     Checking seahash v3.0.7
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking tar v0.4.40
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]     Checking clap_builder v4.4.0
[INFO] [stderr]    Compiling fasthash-sys v0.3.2
[INFO] [stderr]     Checking xoroshiro128 v0.3.0
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]     Checking tempfile v3.8.0
[INFO] [stderr]     Checking uuid v1.4.1
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking serde_json v1.0.105
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling clap_derive v4.4.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking clap v4.4.0
[INFO] [stderr]     Checking fasthash v0.4.0
[INFO] [stderr]     Checking scylla v0.1.0 (/opt/rustwide/workdir)
[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: 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: 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] error: struct `Root` is never constructed
[INFO] [stdout]   --> src/root.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Root {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(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] [stderr] error: could not compile `scylla` (lib) due to 1 previous error; 9 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] running `Command { std: "docker" "inspect" "1e033a8e707eb994f5f248cd3a8cb094f35982f6e3e631950f7b9866559c6d80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e033a8e707eb994f5f248cd3a8cb094f35982f6e3e631950f7b9866559c6d80", kill_on_drop: false }`
[INFO] [stdout] 1e033a8e707eb994f5f248cd3a8cb094f35982f6e3e631950f7b9866559c6d80
