[INFO] fetching crate z39-solver 1.0.1...
[INFO] checking z39-solver-1.0.1 against master#53509ca37e3b507887607c2f4a7f23bd4838f099 for pr-156027
[INFO] extracting crate z39-solver 1.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate z39-solver 1.0.1
[INFO] finished tweaking crates.io crate z39-solver 1.0.1
[INFO] tweaked toml for crates.io crate z39-solver 1.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate z39-solver 1.0.1 on toolchain 53509ca37e3b507887607c2f4a7f23bd4838f099
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53509ca37e3b507887607c2f4a7f23bd4838f099" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate z39-solver 1.0.1 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" "+53509ca37e3b507887607c2f4a7f23bd4838f099" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded value-trait v0.12.1
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[INFO] [stderr]   Downloaded turbomcp-transport-traits v3.1.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+53509ca37e3b507887607c2f4a7f23bd4838f099" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 144a8d84711984d24585e00241dcf0e5590eae114fdf31fcd0bc46455a62e119
[INFO] running `Command { std: "docker" "start" "-a" "144a8d84711984d24585e00241dcf0e5590eae114fdf31fcd0bc46455a62e119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "144a8d84711984d24585e00241dcf0e5590eae114fdf31fcd0bc46455a62e119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "144a8d84711984d24585e00241dcf0e5590eae114fdf31fcd0bc46455a62e119", kill_on_drop: false }`
[INFO] [stdout] 144a8d84711984d24585e00241dcf0e5590eae114fdf31fcd0bc46455a62e119
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+53509ca37e3b507887607c2f4a7f23bd4838f099" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1786163e84819211863f53318eefb18873a7a2ea3bb3d3a184f03dcf26981ef3
[INFO] running `Command { std: "docker" "start" "-a" "1786163e84819211863f53318eefb18873a7a2ea3bb3d3a184f03dcf26981ef3", kill_on_drop: false }`
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[INFO] [stderr]     Checking z39-solver v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `download_and_extract` is never used
[INFO] [stdout]   --> src/solver.rs:94:10
[INFO] [stdout]    |
[INFO] [stdout] 94 | async fn download_and_extract(url: &str, cache_dir: &PathBuf) -> anyhow::Result<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `download_and_extract` is never used
[INFO] [stdout]   --> src/solver.rs:94:10
[INFO] [stdout]    |
[INFO] [stdout] 94 | async fn download_and_extract(url: &str, cache_dir: &PathBuf) -> anyhow::Result<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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 26.09s
[INFO] running `Command { std: "docker" "inspect" "1786163e84819211863f53318eefb18873a7a2ea3bb3d3a184f03dcf26981ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1786163e84819211863f53318eefb18873a7a2ea3bb3d3a184f03dcf26981ef3", kill_on_drop: false }`
[INFO] [stdout] 1786163e84819211863f53318eefb18873a7a2ea3bb3d3a184f03dcf26981ef3
