[INFO] fetching crate protomcp 0.3.0...
[INFO] checking protomcp-0.3.0 against try#6757d700f93f6d16c8b39cf79e96b019bd570e7d for pr-155299
[INFO] extracting crate protomcp 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate protomcp 0.3.0
[INFO] finished tweaking crates.io crate protomcp 0.3.0
[INFO] tweaked toml for crates.io crate protomcp 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate protomcp 0.3.0 on toolchain 6757d700f93f6d16c8b39cf79e96b019bd570e7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate protomcp 0.3.0 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" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking protomcp-0.3.0 against try#6757d700f93f6d16c8b39cf79e96b019bd570e7d for pr-155299
[INFO] extracting crate protomcp 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate protomcp 0.3.0
[INFO] finished tweaking crates.io crate protomcp 0.3.0
[INFO] tweaked toml for crates.io crate protomcp 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate protomcp 0.3.0 on toolchain 6757d700f93f6d16c8b39cf79e96b019bd570e7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate protomcp 0.3.0 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" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c90f4c4dbb72b08465b5328d9ac2b1ace6b4c2b3ea478339e93fe99f86020acd
[INFO] running `Command { std: "docker" "start" "-a" "c90f4c4dbb72b08465b5328d9ac2b1ace6b4c2b3ea478339e93fe99f86020acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c90f4c4dbb72b08465b5328d9ac2b1ace6b4c2b3ea478339e93fe99f86020acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c90f4c4dbb72b08465b5328d9ac2b1ace6b4c2b3ea478339e93fe99f86020acd", kill_on_drop: false }`
[INFO] [stdout] c90f4c4dbb72b08465b5328d9ac2b1ace6b4c2b3ea478339e93fe99f86020acd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da7b59a15276535f61ded2641835a7277932a0240d3bedff13819f77c4242bf9
[INFO] running `Command { std: "docker" "start" "-a" "da7b59a15276535f61ded2641835a7277932a0240d3bedff13819f77c4242bf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]     Checking itoa v1.0.17
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.6.1
[INFO] [stderr]     Checking tokio v1.50.0
[INFO] [stderr]    Compiling prost v0.13.5
[INFO] [stderr]    Compiling prost-types v0.13.5
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking zstd v0.13.3
[INFO] [stderr]    Compiling prost-build v0.13.5
[INFO] [stderr]    Compiling protomcp v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `clear_registry`
[INFO] [stdout]    --> src/workflow.rs:708:23
[INFO] [stdout]     |
[INFO] [stdout] 708 |     use crate::tool::{clear_registry, TEST_REGISTRY_LOCK};
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `TEST_LOCK` is never used
[INFO] [stdout]   --> src/middleware.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     static TEST_LOCK: Mutex<()> = Mutex::new(());
[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 `lock_and_clear` is never used
[INFO] [stdout]    --> src/group.rs:519:8
[INFO] [stdout]     |
[INFO] [stdout] 519 |     fn lock_and_clear() -> std::sync::MutexGuard<'static, ()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `TEST_LOCK` is never used
[INFO] [stdout]   --> src/server_context.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     static TEST_LOCK: Mutex<()> = Mutex::new(());
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lock_and_clear` is never used
[INFO] [stdout]   --> src/server_context.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn lock_and_clear() -> std::sync::MutexGuard<'static, ()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `TEST_LOCK` is never used
[INFO] [stdout]   --> src/local_middleware.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     static TEST_LOCK: Mutex<()> = Mutex::new(());
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lock_and_clear` is never used
[INFO] [stdout]   --> src/local_middleware.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn lock_and_clear() -> std::sync::MutexGuard<'static, ()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `TEST_LOCK` is never used
[INFO] [stdout]   --> src/telemetry.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     static TEST_LOCK: Mutex<()> = Mutex::new(());
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lock_and_clear` is never used
[INFO] [stdout]   --> src/telemetry.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn lock_and_clear() -> std::sync::MutexGuard<'static, ()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `TEST_LOCK` is never used
[INFO] [stdout]    --> src/sidecar.rs:312:12
[INFO] [stdout]     |
[INFO] [stdout] 312 |     static TEST_LOCK: Mutex<()> = Mutex::new(());
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lock_and_clear` is never used
[INFO] [stdout]    --> src/sidecar.rs:314:8
[INFO] [stdout]     |
[INFO] [stdout] 314 |     fn lock_and_clear() -> std::sync::MutexGuard<'static, ()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cleanup_and_lock` is never used
[INFO] [stdout]    --> src/workflow.rs:724:8
[INFO] [stdout]     |
[INFO] [stdout] 724 |     fn cleanup_and_lock() -> std::sync::MutexGuard<'static, ()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.30s
[INFO] running `Command { std: "docker" "inspect" "da7b59a15276535f61ded2641835a7277932a0240d3bedff13819f77c4242bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da7b59a15276535f61ded2641835a7277932a0240d3bedff13819f77c4242bf9", kill_on_drop: false }`
[INFO] [stdout] da7b59a15276535f61ded2641835a7277932a0240d3bedff13819f77c4242bf9
