[INFO] fetching crate pi-async-rt 0.2.5...
[INFO] checking pi-async-rt-0.2.5 against master#dc8fe1f81c6cf13c0987944c525b2aa81625b5d0 for pr-133502-4
[INFO] extracting crate pi-async-rt 0.2.5 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate pi-async-rt 0.2.5 on toolchain dc8fe1f81c6cf13c0987944c525b2aa81625b5d0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate pi-async-rt 0.2.5
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate pi-async-rt 0.2.5
[INFO] tweaked toml for crates.io crate pi-async-rt 0.2.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate pi-async-rt 0.2.5 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" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d085a00336d30c28511169e9e21d2edf9d5706842f74a8931d034b113a4c04c
[INFO] running `Command { std: "docker" "start" "-a" "8d085a00336d30c28511169e9e21d2edf9d5706842f74a8931d034b113a4c04c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d085a00336d30c28511169e9e21d2edf9d5706842f74a8931d034b113a4c04c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d085a00336d30c28511169e9e21d2edf9d5706842f74a8931d034b113a4c04c", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd7d43b7a73b968ab67fff851031b1eea6aedcb43e074b61836e3a775c6ca5d5
[INFO] running `Command { std: "docker" "start" "-a" "fd7d43b7a73b968ab67fff851031b1eea6aedcb43e074b61836e3a775c6ca5d5", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `pi_async_rt::prelude::MultiTaskRuntime`
[INFO] [stdout]   --> tests/test.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use pi_async_rt::prelude::MultiTaskRuntime;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncRuntimeBuilder`
[INFO] [stdout]   --> tests/test.rs:21:214
[INFO] [stdout]    |
[INFO] [stdout] 21 | ...ingleTaskRunner, startup_global_time_loop, AsyncRuntime, AsyncRuntimeBuilder};
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AtomicCounter` is never constructed
[INFO] [stdout]   --> benches/task_pi_async.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct AtomicCounter(Sender<()>);
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/test.rs:631:9
[INFO] [stdout]     |
[INFO] [stdout] 631 | /         rt.spawn(async move {
[INFO] [stdout] 632 | |             for _ in 0..10000 {
[INFO] [stdout] 633 | |                 let rt_clone = rt_copy.clone();
[INFO] [stdout] 634 | |                 let counter_copy = counter.clone();
[INFO] [stdout] ...   |
[INFO] [stdout] 642 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 631 |         let _ = rt.spawn(async move {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/test.rs:635:17
[INFO] [stdout]     |
[INFO] [stdout] 635 | /                 rt_copy.spawn(async move {
[INFO] [stdout] 636 | |                     rt_clone.timeout(1).await;
[INFO] [stdout] 637 | |                     counter_copy
[INFO] [stdout] 638 | |                         .0
[INFO] [stdout] 639 | |                         .fetch_add(1, Ordering::Relaxed);
[INFO] [stdout] 640 | |                 });
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 635 |                 let _ = rt_copy.spawn(async move {
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.78s
[INFO] running `Command { std: "docker" "inspect" "fd7d43b7a73b968ab67fff851031b1eea6aedcb43e074b61836e3a775c6ca5d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd7d43b7a73b968ab67fff851031b1eea6aedcb43e074b61836e3a775c6ca5d5", kill_on_drop: false }`
[INFO] [stdout] fd7d43b7a73b968ab67fff851031b1eea6aedcb43e074b61836e3a775c6ca5d5