[INFO] fetching crate async-rwlock 1.3.0...
[INFO] checking async-rwlock-1.3.0 against master#fd2c811d25ad5773fbd2463e058bf4edf4d44eb2 for pr-130443
[INFO] extracting crate async-rwlock 1.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate async-rwlock 1.3.0 on toolchain fd2c811d25ad5773fbd2463e058bf4edf4d44eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-rwlock 1.3.0
[INFO] finished tweaking crates.io crate async-rwlock 1.3.0
[INFO] tweaked toml for crates.io crate async-rwlock 1.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding async-channel v1.9.0 (available: v2.3.1)
[INFO] [stderr]       Adding event-listener v2.5.3 (available: v5.3.1)
[INFO] [stderr]       Adding fastrand v1.9.0 (available: v2.1.1)
[INFO] [stderr]       Adding futures-lite v1.13.0 (available: v2.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-mutex v1.4.0
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdd08be0789f3d38a4ec9808dc1b34eae35f789e285cfdfe3ef40930e933af73
[INFO] running `Command { std: "docker" "start" "-a" "cdd08be0789f3d38a4ec9808dc1b34eae35f789e285cfdfe3ef40930e933af73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdd08be0789f3d38a4ec9808dc1b34eae35f789e285cfdfe3ef40930e933af73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdd08be0789f3d38a4ec9808dc1b34eae35f789e285cfdfe3ef40930e933af73", kill_on_drop: false }`
[INFO] [stdout] cdd08be0789f3d38a4ec9808dc1b34eae35f789e285cfdfe3ef40930e933af73
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33119c3152c590936e5ea591182a53a594f2c0d661ac90cedff1d1fd7dd0a5d3
[INFO] running `Command { std: "docker" "start" "-a" "33119c3152c590936e5ea591182a53a594f2c0d661ac90cedff1d1fd7dd0a5d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking async-rwlock v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:370:23
[INFO] [stdout]     |
[INFO] [stdout] 370 |         if self.state.compare_and_swap(0, WRITER_BIT, Ordering::AcqRel) == 0 {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:574:14
[INFO] [stdout]     |
[INFO] [stdout] 574 |             .compare_and_swap(ONE_READER, WRITER_BIT, Ordering::AcqRel)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:370:23
[INFO] [stdout]     |
[INFO] [stdout] 370 |         if self.state.compare_and_swap(0, WRITER_BIT, Ordering::AcqRel) == 0 {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:574:14
[INFO] [stdout]     |
[INFO] [stdout] 574 |             .compare_and_swap(ONE_READER, WRITER_BIT, Ordering::AcqRel)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused pinned boxed `Future` trait object that must be used
[INFO] [stdout]    --> tests/std.rs:91:9
[INFO] [stdout]     |
[INFO] [stdout] 91  | /         spawn(async move {
[INFO] [stdout] 92  | |             for _ in 0..M {
[INFO] [stdout] 93  | |                 if fastrand::u32(..N) == 0 {
[INFO] [stdout] 94  | |                     drop(rw.write().await);
[INFO] [stdout] ...   |
[INFO] [stdout] 99  | |             tx.send(()).await.unwrap();
[INFO] [stdout] 100 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: futures do nothing unless you `.await` or poll them
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused pinned boxed `Future` trait object that must be used
[INFO] [stdout]    --> tests/std.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | /     spawn({
[INFO] [stdout] 117 | |         let lock = lock.clone();
[INFO] [stdout] 118 | |         async move {
[INFO] [stdout] 119 | |             let mut lock = lock.write().await;
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |         }
[INFO] [stdout] 128 | |     });
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: futures do nothing unless you `.await` or poll them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "33119c3152c590936e5ea591182a53a594f2c0d661ac90cedff1d1fd7dd0a5d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33119c3152c590936e5ea591182a53a594f2c0d661ac90cedff1d1fd7dd0a5d3", kill_on_drop: false }`
[INFO] [stdout] 33119c3152c590936e5ea591182a53a594f2c0d661ac90cedff1d1fd7dd0a5d3
