[INFO] fetching crate tower-http-cache 0.4.3...
[INFO] checking tower-http-cache-0.4.3 against master#61cc47e367d7be91e13bcd01e4e96e0e233d4f6d for 2025-12-16-next-solver-global
[INFO] extracting crate tower-http-cache 0.4.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate tower-http-cache 0.4.3
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tower-http-cache 0.4.3
[INFO] tweaked toml for crates.io crate tower-http-cache 0.4.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tower-http-cache 0.4.3 on toolchain 61cc47e367d7be91e13bcd01e4e96e0e233d4f6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tower-http-cache 0.4.3 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" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
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[INFO] [stderr]   Downloaded dsn v1.1.1
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[INFO] [stderr]   Downloaded toxiproxy_rust v0.1.6
[INFO] [stderr]   Downloaded redis v0.32.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 875fd740da5650074f67ebaa909ac11487eec065b604357a7986d2c85d2a3540
[INFO] running `Command { std: "docker" "start" "-a" "875fd740da5650074f67ebaa909ac11487eec065b604357a7986d2c85d2a3540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "875fd740da5650074f67ebaa909ac11487eec065b604357a7986d2c85d2a3540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "875fd740da5650074f67ebaa909ac11487eec065b604357a7986d2c85d2a3540", kill_on_drop: false }`
[INFO] [stdout] 875fd740da5650074f67ebaa909ac11487eec065b604357a7986d2c85d2a3540
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e261c98d535f9023917987f99531b45c53a682e23d1c26556ece036acbc4e66d
[INFO] running `Command { std: "docker" "start" "-a" "e261c98d535f9023917987f99531b45c53a682e23d1c26556ece036acbc4e66d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
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[INFO] [stdout] warning: unused import: `Uri`
[INFO] [stdout]  --> examples/chunk_cache_demo.rs:9:51
[INFO] [stdout]   |
[INFO] [stdout] 9 | use http::{Method, Request, Response, StatusCode, Uri};
[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: `Service`
[INFO] [stdout]   --> examples/chunk_cache_demo.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tower::{Service, ServiceBuilder, ServiceExt};
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layer`
[INFO] [stdout]    --> examples/v0_3_features.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |     let layer = CacheLayer::builder(backend)
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_layer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stats`
[INFO] [stdout]    --> examples/v0_3_features.rs:309:9
[INFO] [stdout]     |
[INFO] [stdout] 309 |     let stats = backend.stats();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_stats`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.05s
[INFO] running `Command { std: "docker" "inspect" "e261c98d535f9023917987f99531b45c53a682e23d1c26556ece036acbc4e66d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e261c98d535f9023917987f99531b45c53a682e23d1c26556ece036acbc4e66d", kill_on_drop: false }`
[INFO] [stdout] e261c98d535f9023917987f99531b45c53a682e23d1c26556ece036acbc4e66d