[INFO] cloning repository https://github.com/rustnew/kafka_simple_user-
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rustnew/kafka_simple_user-" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustnew%2Fkafka_simple_user-", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustnew%2Fkafka_simple_user-'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14be68110f51de0dcc553771e66e90d288f39876
[INFO] checking rustnew/kafka_simple_user- against try#54e27f559f23913c1d5afb1a0f0114e9e61b81b8 for pr-147589
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustnew%2Fkafka_simple_user-" "/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/rustnew/kafka_simple_user-
[INFO] finished tweaking git repo https://github.com/rustnew/kafka_simple_user-
[INFO] tweaked toml for git repo https://github.com/rustnew/kafka_simple_user- written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rustnew/kafka_simple_user- on toolchain 54e27f559f23913c1d5afb1a0f0114e9e61b81b8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rustnew/kafka_simple_user- 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" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rdkafka v0.37.0
[INFO] [stderr]   Downloaded rdkafka-sys v4.8.0+2.3.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a36c836d14b356445a6fac65450d29679af952e48f8323ca6e1668eb3b110acb
[INFO] running `Command { std: "docker" "start" "-a" "a36c836d14b356445a6fac65450d29679af952e48f8323ca6e1668eb3b110acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a36c836d14b356445a6fac65450d29679af952e48f8323ca6e1668eb3b110acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a36c836d14b356445a6fac65450d29679af952e48f8323ca6e1668eb3b110acb", kill_on_drop: false }`
[INFO] [stdout] a36c836d14b356445a6fac65450d29679af952e48f8323ca6e1668eb3b110acb
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f796a79e0cc74c676b13e5e75fd7330c0aa9376e38bf2fb8cc2038c6d81755f6
[INFO] running `Command { std: "docker" "start" "-a" "f796a79e0cc74c676b13e5e75fd7330c0aa9376e38bf2fb8cc2038c6d81755f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling winnow v0.7.6
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]    Compiling rdkafka-sys v4.8.0+2.3.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.44.2
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling num_enum_derive v0.7.3
[INFO] [stderr]     Checking num_enum v0.7.3
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]     Checking rdkafka v0.37.0
[INFO] [stderr]     Checking consummer v0.1.0 (/opt/rustwide/workdir/consummer)
[INFO] [stderr]     Checking producer v0.1.0 (/opt/rustwide/workdir/producer)
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> consummer/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::Duration;
[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::time::Duration`
[INFO] [stdout]  --> consummer/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> producer/src/main.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let  mut key = "fowama2006".to_string();
[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]   --> producer/src/main.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let  mut key = "fowama2006".to_string();
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.78s
[INFO] running `Command { std: "docker" "inspect" "f796a79e0cc74c676b13e5e75fd7330c0aa9376e38bf2fb8cc2038c6d81755f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f796a79e0cc74c676b13e5e75fd7330c0aa9376e38bf2fb8cc2038c6d81755f6", kill_on_drop: false }`
[INFO] [stdout] f796a79e0cc74c676b13e5e75fd7330c0aa9376e38bf2fb8cc2038c6d81755f6