[INFO] fetching crate async-inspect 0.2.0...
[INFO] checking async-inspect-0.2.0 against try#22cc29ba5b459fb386c0406b9baf3a49eb0fba39 for pr-146095
[INFO] extracting crate async-inspect 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate async-inspect 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate async-inspect 0.2.0
[INFO] tweaked toml for crates.io crate async-inspect 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-inspect 0.2.0 on toolchain 22cc29ba5b459fb386c0406b9baf3a49eb0fba39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate async-inspect 0.2.0 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" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "358cc1b22c416efe39c68f1ab3d0ba1580d407af9524474f3477f8fdd486b856", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]   --> benches/overhead.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let handle = spawn_tracked("test_task", async {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `inspector::Inspector::register_task` that must be used
[INFO] [stdout]    --> src/inspector/mod.rs:590:9
[INFO] [stdout]     |
[INFO] [stdout] 590 |         inspector.register_task("task1".to_string());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 590 |         let _ = inspector.register_task("task1".to_string());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `inspector::Inspector::register_task` that must be used
[INFO] [stdout]    --> src/inspector/mod.rs:591:9
[INFO] [stdout]     |
[INFO] [stdout] 591 |         inspector.register_task("task2".to_string());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 591 |         let _ = inspector.register_task("task2".to_string());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `deadlock::DeadlockDetector::register_resource` that must be used
[INFO] [stdout]    --> src/deadlock/mod.rs:460:9
[INFO] [stdout]     |
[INFO] [stdout] 460 |         detector.register_resource(resource);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 460 |         let _ = detector.register_resource(resource);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `deadlock::DeadlockDetector::register_resource` that must be used
[INFO] [stdout]    --> src/deadlock/mod.rs:476:9
[INFO] [stdout]     |
[INFO] [stdout] 476 |         detector.register_resource(res1);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 476 |         let _ = detector.register_resource(res1);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `deadlock::DeadlockDetector::register_resource` that must be used
[INFO] [stdout]    --> src/deadlock/mod.rs:477:9
[INFO] [stdout]     |
[INFO] [stdout] 477 |         detector.register_resource(res2);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 477 |         let _ = detector.register_resource(res2);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `deadlock::DeadlockDetector::register_resource` that must be used
[INFO] [stdout]    --> src/deadlock/mod.rs:507:9
[INFO] [stdout]     |
[INFO] [stdout] 507 |         detector.register_resource(res);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 507 |         let _ = detector.register_resource(res);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `inspector::Inspector::register_task` that must be used
[INFO] [stdout]     --> src/reporter/html.rs:1238:9
[INFO] [stdout]      |
[INFO] [stdout] 1238 |         inspector.register_task("test_task".to_string());
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1238 |         let _ = inspector.register_task("test_task".to_string());
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `inspector::Inspector::register_task` that must be used
[INFO] [stdout]    --> src/reporter/mod.rs:441:9
[INFO] [stdout]     |
[INFO] [stdout] 441 |         inspector.register_task("test".to_string());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 441 |         let _ = inspector.register_task("test".to_string());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 50.44s
[INFO] running `Command { std: "docker" "inspect" "ee50c30f40568119b5c29eb5bbeb2096ee8e6d1a915b2c92c35b047f78baa334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee50c30f40568119b5c29eb5bbeb2096ee8e6d1a915b2c92c35b047f78baa334", kill_on_drop: false }`
[INFO] [stdout] ee50c30f40568119b5c29eb5bbeb2096ee8e6d1a915b2c92c35b047f78baa334
