[INFO] cloning repository https://github.com/lalkalol1907/redis-proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lalkalol1907/redis-proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flalkalol1907%2Fredis-proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flalkalol1907%2Fredis-proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18dd79820de5aebf93b4f6ee3ad9077f921c0cd3
[INFO] checking lalkalol1907/redis-proxy against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flalkalol1907%2Fredis-proxy" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lalkalol1907/redis-proxy on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lalkalol1907/redis-proxy
[INFO] finished tweaking git repo https://github.com/lalkalol1907/redis-proxy
[INFO] tweaked toml for git repo https://github.com/lalkalol1907/redis-proxy written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lalkalol1907/redis-proxy 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/redis-rs/redis-rs.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cbe09418b04b1a65ae7c8f161fab7f5eecbc27aca64cd093e05b57ad1c6441e
[INFO] running `Command { std: "docker" "start" "-a" "8cbe09418b04b1a65ae7c8f161fab7f5eecbc27aca64cd093e05b57ad1c6441e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cbe09418b04b1a65ae7c8f161fab7f5eecbc27aca64cd093e05b57ad1c6441e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cbe09418b04b1a65ae7c8f161fab7f5eecbc27aca64cd093e05b57ad1c6441e", kill_on_drop: false }`
[INFO] [stdout] 8cbe09418b04b1a65ae7c8f161fab7f5eecbc27aca64cd093e05b57ad1c6441e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61f138e42c5d825551863b306790c9a78be953ba0dc7ffd46dd35ae02a780abe
[INFO] running `Command { std: "docker" "start" "-a" "61f138e42c5d825551863b306790c9a78be953ba0dc7ffd46dd35ae02a780abe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]     Checking combine v4.6.7
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.70
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking redis v0.25.3 (https://github.com/redis-rs/redis-rs.git#37eccc28)
[INFO] [stderr]     Checking redis-proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Read` and `Write`
[INFO] [stdout]  --> src/main.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{io::{Read, Write}, sync::Arc};
[INFO] [stdout]   |                ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read` and `Write`
[INFO] [stdout]  --> src/main.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{io::{Read, Write}, sync::Arc};
[INFO] [stdout]   |                ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncBufReadExt`
[INFO] [stdout]  --> src/server.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncBufReadExt`
[INFO] [stdout]  --> src/server.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/config.rs:19:41
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Config::parse().unwrap_or_else(|e| {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `redis_client`
[INFO] [stdout]   --> src/server.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let redis_client = RedisClient::build(self.config.clone());
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_redis_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/config.rs:19:41
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Config::parse().unwrap_or_else(|e| {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `redis_client`
[INFO] [stdout]   --> src/server.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let redis_client = RedisClient::build(self.config.clone());
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_redis_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `build` is never used
[INFO] [stdout]   --> src/server.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Server {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 44 |     pub fn build(config: Arc<Config>) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `connections` is never read
[INFO] [stdout]  --> src/redis_client/redis_client.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct RedisClient {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 8 |     connections: Vec<Arc<Connection>>
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `build` is never used
[INFO] [stdout]   --> src/server.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Server {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 44 |     pub fn build(config: Arc<Config>) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `connections` is never read
[INFO] [stdout]  --> src/redis_client/redis_client.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct RedisClient {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 8 |     connections: Vec<Arc<Connection>>
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.37s
[INFO] running `Command { std: "docker" "inspect" "61f138e42c5d825551863b306790c9a78be953ba0dc7ffd46dd35ae02a780abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61f138e42c5d825551863b306790c9a78be953ba0dc7ffd46dd35ae02a780abe", kill_on_drop: false }`
[INFO] [stdout] 61f138e42c5d825551863b306790c9a78be953ba0dc7ffd46dd35ae02a780abe