[INFO] cloning repository https://github.com/Rolaman/simple_kafka_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rolaman/simple_kafka_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRolaman%2Fsimple_kafka_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRolaman%2Fsimple_kafka_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ce3e6a94f40aaace7bf8f8e585fcc933c712413
[INFO] checking Rolaman/simple_kafka_rust/0ce3e6a94f40aaace7bf8f8e585fcc933c712413 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRolaman%2Fsimple_kafka_rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rolaman/simple_kafka_rust on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Rolaman/simple_kafka_rust
[INFO] finished tweaking git repo https://github.com/Rolaman/simple_kafka_rust
[INFO] tweaked toml for git repo https://github.com/Rolaman/simple_kafka_rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Rolaman/simple_kafka_rust 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86011c7520ee52f7f91b03a4c7acc971654af972d9af05af26d25f4e04e2b592
[INFO] running `Command { std: "docker" "start" "-a" "86011c7520ee52f7f91b03a4c7acc971654af972d9af05af26d25f4e04e2b592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86011c7520ee52f7f91b03a4c7acc971654af972d9af05af26d25f4e04e2b592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86011c7520ee52f7f91b03a4c7acc971654af972d9af05af26d25f4e04e2b592", kill_on_drop: false }`
[INFO] [stdout] 86011c7520ee52f7f91b03a4c7acc971654af972d9af05af26d25f4e04e2b592
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e7325a314caefdf95d11e6beb28e5663003d2352a9ffe17a3930d671aa530d2
[INFO] running `Command { std: "docker" "start" "-a" "0e7325a314caefdf95d11e6beb28e5663003d2352a9ffe17a3930d671aa530d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling rustix v0.38.7
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking simple_kafka_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/server/service.rs:2:46
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufRead, BufReader, BufWriter, Read, Write};
[INFO] [stdout]   |                                              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/server/service.rs:2:46
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufRead, BufReader, BufWriter, Read, Write};
[INFO] [stdout]   |                                              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `group`
[INFO] [stdout]    --> src/server/service.rs:221:66
[INFO] [stdout]     |
[INFO] [stdout] 221 |     fn send(&self, key: String, msg: String, topic_name: String, group: String) -> Result<(), ServerError> {
[INFO] [stdout]     |                                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_group`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `group`
[INFO] [stdout]    --> src/server/service.rs:221:66
[INFO] [stdout]     |
[INFO] [stdout] 221 |     fn send(&self, key: String, msg: String, topic_name: String, group: String) -> Result<(), ServerError> {
[INFO] [stdout]     |                                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_group`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/client/client.rs:128:21
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/client/client.rs:128:21
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.86s
[INFO] running `Command { std: "docker" "inspect" "0e7325a314caefdf95d11e6beb28e5663003d2352a9ffe17a3930d671aa530d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e7325a314caefdf95d11e6beb28e5663003d2352a9ffe17a3930d671aa530d2", kill_on_drop: false }`
[INFO] [stdout] 0e7325a314caefdf95d11e6beb28e5663003d2352a9ffe17a3930d671aa530d2