[INFO] fetching crate zel_core 0.5.0...
[INFO] checking zel_core-0.5.0 against 24e1a22664233bce1f9b5dc6eee7c1f74327e28c for pr-159343-retry
[INFO] extracting crate zel_core 0.5.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate zel_core 0.5.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate zel_core 0.5.0
[INFO] tweaked toml for crates.io crate zel_core 0.5.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zel_core 0.5.0 on toolchain 24e1a22664233bce1f9b5dc6eee7c1f74327e28c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zel_core 0.5.0 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" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] babe4a98db6d018a3b7e2410481ff6a89c747be18c5ef3bff4cf7b761bc19c8a
[INFO] running `Command { std: "docker" "start" "babe4a98db6d018a3b7e2410481ff6a89c747be18c5ef3bff4cf7b761bc19c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "babe4a98db6d018a3b7e2410481ff6a89c747be18c5ef3bff4cf7b761bc19c8a", 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" "babe4a98db6d018a3b7e2410481ff6a89c747be18c5ef3bff4cf7b761bc19c8a" "/opt/rustwide/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "babe4a98db6d018a3b7e2410481ff6a89c747be18c5ef3bff4cf7b761bc19c8a", 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" "babe4a98db6d018a3b7e2410481ff6a89c747be18c5ef3bff4cf7b761bc19c8a" "/opt/rustwide/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `futures::StreamExt`
[INFO] [stdout]   --> examples/metrics_prometheus.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use futures::StreamExt;
[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: `iroh::Watcher`
[INFO] [stdout]   --> examples/metrics_prometheus.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use iroh::Watcher;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc` and `RwLock`
[INFO] [stdout]   --> examples/metrics_prometheus.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::sync::{Arc, RwLock};
[INFO] [stdout]    |                 ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> examples/metrics_prometheus.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `zel_core::prelude::*`
[INFO] [stdout]   --> examples/metrics_prometheus.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use zel_core::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `zel_core::IrohBundle`
[INFO] [stdout]   --> examples/metrics_prometheus.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use zel_core::IrohBundle;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> examples/metrics_prometheus.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout]  35 |         std::process::exit(1);
[INFO] [stdout]     |         --------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 172 |     Ok(())
[INFO] [stdout]     |     ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `max_request_size` is never read
[INFO] [stdout]   --> examples/context_extensions_demo.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct ServerConfig {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] 55 |     max_request_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ServerConfig` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> tests/protocol_integration.rs:508:9
[INFO] [stdout]     |
[INFO] [stdout] 507 |     struct DbPool {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 508 |         name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DbPool` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `Command { std: "docker" "inspect" "babe4a98db6d018a3b7e2410481ff6a89c747be18c5ef3bff4cf7b761bc19c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "babe4a98db6d018a3b7e2410481ff6a89c747be18c5ef3bff4cf7b761bc19c8a", kill_on_drop: false }`
[INFO] [stdout] babe4a98db6d018a3b7e2410481ff6a89c747be18c5ef3bff4cf7b761bc19c8a
