[INFO] fetching crate async-rwlock 1.3.1...
[INFO] testing async-rwlock-1.3.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate async-rwlock 1.3.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate async-rwlock 1.3.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate async-rwlock 1.3.1
[INFO] tweaked toml for crates.io crate async-rwlock 1.3.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-rwlock 1.3.1 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate async-rwlock 1.3.1 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6f8068b093de76e818bcbe09a4f3bd6dbe35dc9358c048471a75163bdfc6f24
[INFO] running `Command { std: "docker" "start" "-a" "d6f8068b093de76e818bcbe09a4f3bd6dbe35dc9358c048471a75163bdfc6f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6f8068b093de76e818bcbe09a4f3bd6dbe35dc9358c048471a75163bdfc6f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6f8068b093de76e818bcbe09a4f3bd6dbe35dc9358c048471a75163bdfc6f24", kill_on_drop: false }`
[INFO] [stdout] d6f8068b093de76e818bcbe09a4f3bd6dbe35dc9358c048471a75163bdfc6f24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 9c33162ae424fb19a38ba8b323440d6c9808cfc07a3c9a70fbe339378bfe1f6d
[INFO] running `Command { std: "docker" "start" "-a" "9c33162ae424fb19a38ba8b323440d6c9808cfc07a3c9a70fbe339378bfe1f6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-rwlock v1.3.1 (/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:347:23
[INFO] [stdout]     |
[INFO] [stdout] 347 |         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:551:14
[INFO] [stdout]     |
[INFO] [stdout] 551 |             .compare_and_swap(ONE_READER, WRITER_BIT, Ordering::AcqRel)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "9c33162ae424fb19a38ba8b323440d6c9808cfc07a3c9a70fbe339378bfe1f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c33162ae424fb19a38ba8b323440d6c9808cfc07a3c9a70fbe339378bfe1f6d", kill_on_drop: false }`
[INFO] [stdout] 9c33162ae424fb19a38ba8b323440d6c9808cfc07a3c9a70fbe339378bfe1f6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 3821befebb9364845616ce6d184645346aabbad0a26fed61b09898bfc64fb433
[INFO] running `Command { std: "docker" "start" "-a" "3821befebb9364845616ce6d184645346aabbad0a26fed61b09898bfc64fb433", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling 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:347:23
[INFO] [stdout]     |
[INFO] [stdout] 347 |         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:551:14
[INFO] [stdout]     |
[INFO] [stdout] 551 |             .compare_and_swap(ONE_READER, WRITER_BIT, Ordering::AcqRel)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling async-rwlock v1.3.1 (/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:347:23
[INFO] [stdout]     |
[INFO] [stdout] 347 |         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:551:14
[INFO] [stdout]     |
[INFO] [stdout] 551 |             .compare_and_swap(ONE_READER, WRITER_BIT, Ordering::AcqRel)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[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] 128 | |     });
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: futures do nothing unless you `.await` or poll them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.64s
[INFO] running `Command { std: "docker" "inspect" "3821befebb9364845616ce6d184645346aabbad0a26fed61b09898bfc64fb433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3821befebb9364845616ce6d184645346aabbad0a26fed61b09898bfc64fb433", kill_on_drop: false }`
[INFO] [stdout] 3821befebb9364845616ce6d184645346aabbad0a26fed61b09898bfc64fb433
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 8977c92cc7110fa14aa88fe0814356cd9076d16fa684556412670b240e07301e
[INFO] running `Command { std: "docker" "start" "-a" "8977c92cc7110fa14aa88fe0814356cd9076d16fa684556412670b240e07301e", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/lib.rs:347:23
[INFO] [stderr]     |
[INFO] [stderr] 347 |         if self.state.compare_and_swap(0, WRITER_BIT, Ordering::AcqRel) == 0 {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/lib.rs:551:14
[INFO] [stderr]     |
[INFO] [stderr] 551 |             .compare_and_swap(ONE_READER, WRITER_BIT, Ordering::AcqRel)
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `async-rwlock` (lib) generated 2 warnings
[INFO] [stderr] warning: unused pinned boxed `Future` trait object that must be used
[INFO] [stderr]    --> tests/std.rs:91:9
[INFO] [stderr]     |
[INFO] [stderr] 91  | /         spawn(async move {
[INFO] [stderr] 92  | |             for _ in 0..M {
[INFO] [stderr] 93  | |                 if fastrand::u32(..N) == 0 {
[INFO] [stderr] 94  | |                     drop(rw.write().await);
[INFO] [stderr] ...   |
[INFO] [stderr] 99  | |             tx.send(()).await.unwrap();
[INFO] [stderr] 100 | |         });
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: futures do nothing unless you `.await` or poll them
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused pinned boxed `Future` trait object that must be used
[INFO] [stderr]    --> tests/std.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 | /     spawn({
[INFO] [stderr] 117 | |         let lock = lock.clone();
[INFO] [stderr] 118 | |         async move {
[INFO] [stderr] 119 | |             let mut lock = lock.write().await;
[INFO] [stderr] ...   |
[INFO] [stderr] 128 | |     });
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: futures do nothing unless you `.await` or poll them
[INFO] [stderr] 
[INFO] [stderr] warning: `async-rwlock` (test "std") generated 2 warnings
[INFO] [stderr] warning: `async-rwlock` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/async_rwlock-7980e4d3cf629271)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/std.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/std-dfe4d6352396feec)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test get_mut ... ok
[INFO] [stdout] test into_inner ... ok
[INFO] [stdout] test into_inner_and_drop ... ok
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test try_write ... ok
[INFO] [stdout] test writer_and_readers ... ok
[INFO] [stdout] test contention ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/upgradable.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/upgradable-e767f7fade85ad3f)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test not_upgrade ... ok
[INFO] [stdout] test upgrade ... ok
[INFO] [stdout] test upgradable_with_concurrent_writer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8977c92cc7110fa14aa88fe0814356cd9076d16fa684556412670b240e07301e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8977c92cc7110fa14aa88fe0814356cd9076d16fa684556412670b240e07301e", kill_on_drop: false }`
[INFO] [stdout] 8977c92cc7110fa14aa88fe0814356cd9076d16fa684556412670b240e07301e