[INFO] cloning repository https://github.com/HimakshP/mini-redis-tokio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HimakshP/mini-redis-tokio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHimakshP%2Fmini-redis-tokio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHimakshP%2Fmini-redis-tokio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dca707f96d0020f35e7d70e943ea49c02885d3c9
[INFO] checking HimakshP/mini-redis-tokio against 5c543b0b8c73c7b72bc8284ced4fb22ead15734d for pr-160186
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHimakshP%2Fmini-redis-tokio" "/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/HimakshP/mini-redis-tokio
[INFO] finished tweaking git repo https://github.com/HimakshP/mini-redis-tokio
[INFO] tweaked toml for git repo https://github.com/HimakshP/mini-redis-tokio written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/HimakshP/mini-redis-tokio on toolchain 5c543b0b8c73c7b72bc8284ced4fb22ead15734d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/HimakshP/mini-redis-tokio 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" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.7
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.25
[INFO] [stderr]   Downloaded find-msvc-tools v0.1.5
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[INFO] [stderr]   Downloaded atoi v0.3.3
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[INFO] [stderr]   Downloaded matchers v0.0.1
[INFO] [stderr]   Downloaded cc v1.2.50
[INFO] [stderr]   Downloaded mini-redis v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c8c51ba9a44b312ba163657edbc89d68fbd97d247a5e5b44409bc8c7e7c508ae
[INFO] running `Command { std: "docker" "start" "c8c51ba9a44b312ba163657edbc89d68fbd97d247a5e5b44409bc8c7e7c508ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8c51ba9a44b312ba163657edbc89d68fbd97d247a5e5b44409bc8c7e7c508ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c8c51ba9a44b312ba163657edbc89d68fbd97d247a5e5b44409bc8c7e7c508ae" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8c51ba9a44b312ba163657edbc89d68fbd97d247a5e5b44409bc8c7e7c508ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c8c51ba9a44b312ba163657edbc89d68fbd97d247a5e5b44409bc8c7e7c508ae" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
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[INFO] [stderr]     Checking bytes v1.11.0
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking chrono v0.4.42
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[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking mio v1.1.1
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[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking atoi v0.3.3
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[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking tokio v1.48.0
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[INFO] [stderr]     Checking tracing-subscriber v0.2.25
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[INFO] [stdout] warning: unused variable: `frames`
[INFO] [stdout]    --> src/connection.rs:123:26
[INFO] [stdout]     |
[INFO] [stdout] 123 |             Frame::Array(frames) => todo!(),
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_frames`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/connection.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Connection {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 17 |     fn new(stream: TcpStream) -> Connection {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/connection.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         self.stream.flush().await;
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let _ = self.stream.flush().await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frames`
[INFO] [stdout]    --> src/connection.rs:123:26
[INFO] [stdout]     |
[INFO] [stdout] 123 |             Frame::Array(frames) => todo!(),
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_frames`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/connection.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Connection {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 17 |     fn new(stream: TcpStream) -> Connection {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/connection.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         self.stream.flush().await;
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let _ = self.stream.flush().await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Command`, `Set`, and `self`
[INFO] [stdout]  --> src/bin/server.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Command, Connection, Frame,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 9 |     cmd::{self, Set},
[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::collections::HashMap`
[INFO] [stdout]   --> src/bin/server.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     use std::collections::HashMap;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Command`, `Set`, and `self`
[INFO] [stdout]  --> src/bin/server.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Command, Connection, Frame,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 9 |     cmd::{self, Set},
[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::collections::HashMap`
[INFO] [stdout]   --> src/bin/server.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     use std::collections::HashMap;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.60s
[INFO] running `Command { std: "docker" "inspect" "c8c51ba9a44b312ba163657edbc89d68fbd97d247a5e5b44409bc8c7e7c508ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8c51ba9a44b312ba163657edbc89d68fbd97d247a5e5b44409bc8c7e7c508ae", kill_on_drop: false }`
[INFO] [stdout] c8c51ba9a44b312ba163657edbc89d68fbd97d247a5e5b44409bc8c7e7c508ae