[INFO] fetching crate async-rwlock 1.3.0... [INFO] checking async-rwlock-1.3.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] extracting crate async-rwlock 1.3.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate async-rwlock 1.3.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 16 packages to latest compatible versions [INFO] [stderr] Adding async-channel v1.9.0 (latest: v2.3.1) [INFO] [stderr] Adding event-listener v2.5.3 (latest: v5.3.1) [INFO] [stderr] Adding fastrand v1.9.0 (latest: v2.1.1) [INFO] [stderr] Adding futures-lite v1.13.0 (latest: v2.3.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2d055662c66ce61dbc3fc142c9afaf5c45c1431c761b52261121f1568eed213d [INFO] running `Command { std: "docker" "start" "-a" "2d055662c66ce61dbc3fc142c9afaf5c45c1431c761b52261121f1568eed213d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2d055662c66ce61dbc3fc142c9afaf5c45c1431c761b52261121f1568eed213d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d055662c66ce61dbc3fc142c9afaf5c45c1431c761b52261121f1568eed213d", kill_on_drop: false }` [INFO] [stdout] 2d055662c66ce61dbc3fc142c9afaf5c45c1431c761b52261121f1568eed213d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bf48dc84c65581053e150c8b89dada874427cd669e77b50ad807c111e540adff [INFO] running `Command { std: "docker" "start" "-a" "bf48dc84c65581053e150c8b89dada874427cd669e77b50ad807c111e540adff", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking waker-fn v1.2.0 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking async-mutex v1.4.0 [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 futures-lite v1.13.0 [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 1.63s [INFO] running `Command { std: "docker" "inspect" "bf48dc84c65581053e150c8b89dada874427cd669e77b50ad807c111e540adff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf48dc84c65581053e150c8b89dada874427cd669e77b50ad807c111e540adff", kill_on_drop: false }` [INFO] [stdout] bf48dc84c65581053e150c8b89dada874427cd669e77b50ad807c111e540adff [INFO] checking async-rwlock-1.3.0 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] extracting crate async-rwlock 1.3.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate async-rwlock 1.3.0 on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "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-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 16 packages to latest compatible versions [INFO] [stderr] Adding async-channel v1.9.0 (latest: v2.3.1) [INFO] [stderr] Adding event-listener v2.5.3 (latest: v5.3.1) [INFO] [stderr] Adding fastrand v1.9.0 (latest: v2.1.1) [INFO] [stderr] Adding futures-lite v1.13.0 (latest: v2.3.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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_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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8cc83e7172e3073e9d559228d9a3fcea4dce045b9917e4b7bd18a27dfa6574f8 [INFO] running `Command { std: "docker" "start" "-a" "8cc83e7172e3073e9d559228d9a3fcea4dce045b9917e4b7bd18a27dfa6574f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8cc83e7172e3073e9d559228d9a3fcea4dce045b9917e4b7bd18a27dfa6574f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cc83e7172e3073e9d559228d9a3fcea4dce045b9917e4b7bd18a27dfa6574f8", kill_on_drop: false }` [INFO] [stdout] 8cc83e7172e3073e9d559228d9a3fcea4dce045b9917e4b7bd18a27dfa6574f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bcc3cbc3362169d78e558ef03f7a0b03c60ff3ba7cdefa4fe140f8df1a3f16d2 [INFO] running `Command { std: "docker" "start" "-a" "bcc3cbc3362169d78e558ef03f7a0b03c60ff3ba7cdefa4fe140f8df1a3f16d2", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking waker-fn v1.2.0 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking async-mutex v1.4.0 [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] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:106:20 [INFO] [stdout] | [INFO] [stdout] 104 | pub const fn new(t: T) -> RwLock { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 105 | RwLock { [INFO] [stdout] 106 | mutex: Mutex::new(()), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:107:25 [INFO] [stdout] | [INFO] [stdout] 104 | pub const fn new(t: T) -> RwLock { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 107 | no_readers: Event::new(), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:108:24 [INFO] [stdout] | [INFO] [stdout] 104 | pub const fn new(t: T) -> RwLock { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 108 | no_writer: Event::new(), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:110:20 [INFO] [stdout] | [INFO] [stdout] 104 | pub const fn new(t: T) -> RwLock { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 110 | value: UnsafeCell::new(t), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `async-rwlock` (lib) due to 5 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "bcc3cbc3362169d78e558ef03f7a0b03c60ff3ba7cdefa4fe140f8df1a3f16d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bcc3cbc3362169d78e558ef03f7a0b03c60ff3ba7cdefa4fe140f8df1a3f16d2", kill_on_drop: false }` [INFO] [stdout] bcc3cbc3362169d78e558ef03f7a0b03c60ff3ba7cdefa4fe140f8df1a3f16d2