[INFO] fetching crate kafka 0.10.0...
[INFO] checking kafka-0.10.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate kafka 0.10.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate kafka 0.10.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kafka 0.10.0
[INFO] finished tweaking crates.io crate kafka 0.10.0
[INFO] tweaked toml for crates.io crate kafka 0.10.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate kafka 0.10.0 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ref_slice v1.2.1
[INFO] [stderr]   Downloaded snap v1.1.0
[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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36fdf2ee9114210108b89288dab00c0f7cd20f8de2b5e514a2218f8d265bfeed
[INFO] running `Command { std: "docker" "start" "-a" "36fdf2ee9114210108b89288dab00c0f7cd20f8de2b5e514a2218f8d265bfeed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36fdf2ee9114210108b89288dab00c0f7cd20f8de2b5e514a2218f8d265bfeed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36fdf2ee9114210108b89288dab00c0f7cd20f8de2b5e514a2218f8d265bfeed", kill_on_drop: false }`
[INFO] [stdout] 36fdf2ee9114210108b89288dab00c0f7cd20f8de2b5e514a2218f8d265bfeed
[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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac0dde29e8419f7c7f27531fdff2ff8a6ba053b2a69857b98268ead57509a2f4
[INFO] running `Command { std: "docker" "start" "-a" "ac0dde29e8419f7c7f27531fdff2ff8a6ba053b2a69857b98268ead57509a2f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]    Compiling snap v1.1.0
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling kafka v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking crc-catalog v2.2.0
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking ref_slice v1.2.1
[INFO] [stderr]     Checking crc v3.0.1
[INFO] [stderr]     Checking deranged v0.3.8
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking time v0.3.29
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/consumer/mod.rs:255:25
[INFO] [stdout]     |
[INFO] [stdout] 255 |                     let mut fetch_state = self
[INFO] [stdout]     |                         ----^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/consumer/mod.rs:255:25
[INFO] [stdout]     |
[INFO] [stdout] 255 |                     let mut fetch_state = self
[INFO] [stdout]     |                         ----^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `timefmt` is never read
[INFO] [stdout]    --> examples/offset-monitor.rs:161:5
[INFO] [stdout]     |
[INFO] [stdout] 158 | struct Printer<W> {
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 161 |     timefmt: String,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.36s
[INFO] running `Command { std: "docker" "inspect" "ac0dde29e8419f7c7f27531fdff2ff8a6ba053b2a69857b98268ead57509a2f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0dde29e8419f7c7f27531fdff2ff8a6ba053b2a69857b98268ead57509a2f4", kill_on_drop: false }`
[INFO] [stdout] ac0dde29e8419f7c7f27531fdff2ff8a6ba053b2a69857b98268ead57509a2f4