[INFO] cloning repository https://github.com/alesiong/tcp-over-redis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alesiong/tcp-over-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falesiong%2Ftcp-over-redis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falesiong%2Ftcp-over-redis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91707b2e26e31e70ad0aeb0770f94d6a8b6edbb3
[INFO] checking alesiong/tcp-over-redis against try#0c70cfbec949d241375e31c5a42066be70c720fc for pr-149681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falesiong%2Ftcp-over-redis" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/alesiong/tcp-over-redis
[INFO] finished tweaking git repo https://github.com/alesiong/tcp-over-redis
[INFO] tweaked toml for git repo https://github.com/alesiong/tcp-over-redis written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alesiong/tcp-over-redis on toolchain 0c70cfbec949d241375e31c5a42066be70c720fc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/alesiong/tcp-over-redis 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" "+0c70cfbec949d241375e31c5a42066be70c720fc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deadpool-redis v0.15.1
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[INFO] [stderr]   Downloaded hyper v0.14.29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 336480ee647462369e1939da3346fbbc6cfb4d73ea01308f975f50b7d8e7ed1f
[INFO] running `Command { std: "docker" "start" "-a" "336480ee647462369e1939da3346fbbc6cfb4d73ea01308f975f50b7d8e7ed1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "336480ee647462369e1939da3346fbbc6cfb4d73ea01308f975f50b7d8e7ed1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "336480ee647462369e1939da3346fbbc6cfb4d73ea01308f975f50b7d8e7ed1f", kill_on_drop: false }`
[INFO] [stdout] 336480ee647462369e1939da3346fbbc6cfb4d73ea01308f975f50b7d8e7ed1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27515a6596faa668da0ac2699643bcb0f929828696379d86c6e0cdf7240b4736
[INFO] running `Command { std: "docker" "start" "-a" "27515a6596faa668da0ac2699643bcb0f929828696379d86c6e0cdf7240b4736", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `crate::cache::consts::REDIS_KEY_GLOBAL_REGISTRY`
[INFO] [stdout]   --> src/cache/pipe.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::cache::consts::REDIS_KEY_GLOBAL_REGISTRY;
[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: `std::cmp::Ordering`
[INFO] [stdout]    --> src/cache/listener.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     use std::cmp::Ordering;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cache::consts::REDIS_KEY_GLOBAL_REGISTRY`
[INFO] [stdout]   --> src/cache/pipe.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::cache::consts::REDIS_KEY_GLOBAL_REGISTRY;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/cache/pipe.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[instrument(level = "info", skip(cache, data), fields(len = data.len()), err(Debug))]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: FromRedisValue` will fail
[INFO] [stdout]   --> src/cache/pipe.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |             .query_async(&mut cache).await?;
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout]    = note: `#[deny(dependency_on_unit_never_type_fallback)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout]    = note: this error originates in the attribute macro `instrument` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/cache/pipe.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[instrument(level = "info", skip(cache, data), fields(len = data.len()), err(Debug))]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: FromRedisValue` will fail
[INFO] [stdout]   --> src/cache/pipe.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |             .query_async(&mut cache).await?;
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout]    = note: `#[deny(dependency_on_unit_never_type_fallback)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout]    = note: this error originates in the attribute macro `instrument` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pipe_name_str`
[INFO] [stdout]   --> src/cache/pipe.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let pipe_name_str = pipe_name.to_string();
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pipe_name_str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pipe_name_str`
[INFO] [stdout]   --> src/cache/pipe.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let pipe_name_str = pipe_name.to_string();
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pipe_name_str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cache/listener.rs:233:22
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 let (mut read, write) = conn.split();
[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: `read`
[INFO] [stdout]    --> src/cache/listener.rs:233:22
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 let (mut read, write) = conn.split();
[INFO] [stdout]     |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `redis_timeout` is never read
[INFO] [stdout]   --> src/cache/connection.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct ConnectionReader {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 29 |     redis_timeout: Duration,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REDIS_KEY_PREFIX_CLIENT_HAND_SHAKE` is never used
[INFO] [stdout]  --> src/cache/consts.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) const REDIS_KEY_PREFIX_CLIENT_HAND_SHAKE: &str = concatcp!(REDIS_KEY_PREFIX, ":client:handshake:");
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REDIS_KEY_GLOBAL_REGISTRY` is never used
[INFO] [stdout]  --> src/cache/consts.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) const REDIS_KEY_GLOBAL_REGISTRY: &str = concatcp!("{}:registry", REDIS_KEY_PREFIX);
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `redis_timeout` is never read
[INFO] [stdout]   --> src/cache/connection.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct ConnectionReader {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 29 |     redis_timeout: Duration,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REDIS_KEY_PREFIX_CLIENT_HAND_SHAKE` is never used
[INFO] [stdout]  --> src/cache/consts.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) const REDIS_KEY_PREFIX_CLIENT_HAND_SHAKE: &str = concatcp!(REDIS_KEY_PREFIX, ":client:handshake:");
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REDIS_KEY_GLOBAL_REGISTRY` is never used
[INFO] [stdout]  --> src/cache/consts.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) const REDIS_KEY_GLOBAL_REGISTRY: &str = concatcp!("{}:registry", REDIS_KEY_PREFIX);
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stdout]    --> src/cache/pipe.rs:319:13
[INFO] [stdout]     |
[INFO] [stdout] 319 |             tokio::join!(handle);
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stdout]    --> src/cache/listener.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |             tokio::join!(handle_send);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tcp-over-redis` (lib) due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tcp-over-redis` (lib test) due to 2 previous errors; 10 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "27515a6596faa668da0ac2699643bcb0f929828696379d86c6e0cdf7240b4736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27515a6596faa668da0ac2699643bcb0f929828696379d86c6e0cdf7240b4736", kill_on_drop: false }`
[INFO] [stdout] 27515a6596faa668da0ac2699643bcb0f929828696379d86c6e0cdf7240b4736
