[INFO] fetching crate async-rwlock 1.3.1... [INFO] testing async-rwlock-1.3.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate async-rwlock 1.3.1 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate async-rwlock 1.3.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded waker-fn v1.2.0 [INFO] [stderr] Downloaded async-mutex v1.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 61da9c7a8f563fa3aa563b95e1c371a8e343ae46c9ebafd2b0fc4cf37e59a277 [INFO] running `Command { std: "docker" "start" "-a" "61da9c7a8f563fa3aa563b95e1c371a8e343ae46c9ebafd2b0fc4cf37e59a277", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "61da9c7a8f563fa3aa563b95e1c371a8e343ae46c9ebafd2b0fc4cf37e59a277", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61da9c7a8f563fa3aa563b95e1c371a8e343ae46c9ebafd2b0fc4cf37e59a277", kill_on_drop: false }` [INFO] [stdout] 61da9c7a8f563fa3aa563b95e1c371a8e343ae46c9ebafd2b0fc4cf37e59a277 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 524cdd9b08b95437092cc956637e4f8c2b02fd86c0de6d2435bb9aaf8045057a [INFO] running `Command { std: "docker" "start" "-a" "524cdd9b08b95437092cc956637e4f8c2b02fd86c0de6d2435bb9aaf8045057a", 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 0.41s [INFO] running `Command { std: "docker" "inspect" "524cdd9b08b95437092cc956637e4f8c2b02fd86c0de6d2435bb9aaf8045057a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "524cdd9b08b95437092cc956637e4f8c2b02fd86c0de6d2435bb9aaf8045057a", kill_on_drop: false }` [INFO] [stdout] 524cdd9b08b95437092cc956637e4f8c2b02fd86c0de6d2435bb9aaf8045057a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d79b62c30ec9d0bb4b99a2105cd9847da0a0d3164d67c7cb3ca026eb98ae700 [INFO] running `Command { std: "docker" "start" "-a" "4d79b62c30ec9d0bb4b99a2105cd9847da0a0d3164d67c7cb3ca026eb98ae700", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling fastrand v1.9.0 [INFO] [stderr] Compiling waker-fn v1.2.0 [INFO] [stderr] Compiling memchr v2.7.4 [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 concurrent-queue v2.5.0 [INFO] [stderr] Compiling async-channel v1.9.0 [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)]` (part of `#[warn(unused)]`) 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 3.36s [INFO] running `Command { std: "docker" "inspect" "4d79b62c30ec9d0bb4b99a2105cd9847da0a0d3164d67c7cb3ca026eb98ae700", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d79b62c30ec9d0bb4b99a2105cd9847da0a0d3164d67c7cb3ca026eb98ae700", kill_on_drop: false }` [INFO] [stdout] 4d79b62c30ec9d0bb4b99a2105cd9847da0a0d3164d67c7cb3ca026eb98ae700 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6cce927907749200a884b1013da7a4b605ebe1d5a181e4477f4445b76f15f765 [INFO] running `Command { std: "docker" "start" "-a" "6cce927907749200a884b1013da7a4b605ebe1d5a181e4477f4445b76f15f765", 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)]` (part of `#[warn(unused)]`) 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/debug/deps/async_rwlock-93a798713cd5b784) [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/debug/deps/std-eb81e4fbe859a1ac) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test into_inner ... ok [INFO] [stdout] test smoke ... ok [INFO] [stdout] test get_mut ... ok [INFO] [stdout] test into_inner_and_drop ... 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 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/upgradable.rs (/opt/rustwide/target/debug/deps/upgradable-816a1c9e88058b61) [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] [stderr] Doc-tests async_rwlock [INFO] [stdout] [INFO] [stdout] running 15 tests [INFO] [stdout] test src/lib.rs - RwLock::new (line 76) ... ok [INFO] [stdout] test src/lib.rs - RwLock::try_upgradable_read (line 224) ... ok [INFO] [stdout] test src/lib.rs - RwLock::try_write (line 331) ... ok [INFO] [stdout] test src/lib.rs - RwLock::try_read (line 114) ... ok [INFO] [stdout] test src/lib.rs - RwLock::read (line 163) ... ok [INFO] [stdout] test src/lib.rs - RwLock::write (line 360) ... ok [INFO] [stdout] test src/lib.rs - RwLockUpgradableReadGuard<'a,T>::try_upgrade (line 529) ... ok [INFO] [stdout] test src/lib.rs - RwLock::get_mut (line 400) ... ok [INFO] [stdout] test src/lib.rs - RwLockWriteGuard<'a,T>::downgrade (line 649) ... ok [INFO] [stdout] test src/lib.rs - RwLockWriteGuard<'a,T>::downgrade_to_upgradable (line 683) ... ok [INFO] [stdout] test src/lib.rs - RwLock::upgradable_read (line 280) ... ok [INFO] [stdout] test src/lib.rs - RwLock (line 26) ... ok [INFO] [stdout] test src/lib.rs - RwLock::into_inner (line 95) ... ok [INFO] [stdout] test src/lib.rs - RwLockUpgradableReadGuard<'a,T>::downgrade (line 500) ... ok [INFO] [stdout] test src/lib.rs - RwLockUpgradableReadGuard<'a,T>::upgrade (line 564) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.03s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6cce927907749200a884b1013da7a4b605ebe1d5a181e4477f4445b76f15f765", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6cce927907749200a884b1013da7a4b605ebe1d5a181e4477f4445b76f15f765", kill_on_drop: false }` [INFO] [stdout] 6cce927907749200a884b1013da7a4b605ebe1d5a181e4477f4445b76f15f765