[INFO] fetching crate qp 0.2.1... [INFO] checking qp-0.2.1 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] extracting crate qp 0.2.1 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate qp 0.2.1 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 qp 0.2.1 [INFO] finished tweaking crates.io crate qp 0.2.1 [INFO] tweaked toml for crates.io crate qp 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate qp 0.2.1 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossbeam-queue v0.3.5 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3f39fb32d4d4404d680aa4018985279d6af593348e25643f2d4cf28cd9564d1c [INFO] running `Command { std: "docker" "start" "-a" "3f39fb32d4d4404d680aa4018985279d6af593348e25643f2d4cf28cd9564d1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f39fb32d4d4404d680aa4018985279d6af593348e25643f2d4cf28cd9564d1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f39fb32d4d4404d680aa4018985279d6af593348e25643f2d4cf28cd9564d1c", kill_on_drop: false }` [INFO] [stdout] 3f39fb32d4d4404d680aa4018985279d6af593348e25643f2d4cf28cd9564d1c [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f114b36e7d026e20e83d056e7cfd3432ba124ff84ac3dbb6e551fce334a45091 [INFO] running `Command { std: "docker" "start" "-a" "f114b36e7d026e20e83d056e7cfd3432ba124ff84ac3dbb6e551fce334a45091", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling crossbeam-queue v0.3.5 [INFO] [stderr] Compiling async-trait v0.1.56 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Checking tokio v1.19.2 [INFO] [stderr] Checking qp v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> examples/readme.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | drop(raw_int); [INFO] [stdout] | ^^^^^-------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `i32` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 60 - drop(raw_int); [INFO] [stdout] 60 + let _ = raw_int; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.38s [INFO] running `Command { std: "docker" "inspect" "f114b36e7d026e20e83d056e7cfd3432ba124ff84ac3dbb6e551fce334a45091", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f114b36e7d026e20e83d056e7cfd3432ba124ff84ac3dbb6e551fce334a45091", kill_on_drop: false }` [INFO] [stdout] f114b36e7d026e20e83d056e7cfd3432ba124ff84ac3dbb6e551fce334a45091 [INFO] checking qp-0.2.1 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] extracting crate qp 0.2.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate qp 0.2.1 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 qp 0.2.1 [INFO] finished tweaking crates.io crate qp 0.2.1 [INFO] tweaked toml for crates.io crate qp 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate qp 0.2.1 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ec1e69643b57efbbdfcb065ecdf9765735220c239ec9b7384267b9d91e2d35f6 [INFO] running `Command { std: "docker" "start" "-a" "ec1e69643b57efbbdfcb065ecdf9765735220c239ec9b7384267b9d91e2d35f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ec1e69643b57efbbdfcb065ecdf9765735220c239ec9b7384267b9d91e2d35f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec1e69643b57efbbdfcb065ecdf9765735220c239ec9b7384267b9d91e2d35f6", kill_on_drop: false }` [INFO] [stdout] ec1e69643b57efbbdfcb065ecdf9765735220c239ec9b7384267b9d91e2d35f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3736b73337a8ae75c69430899bc5dc2920c885f4be0337d22076f6035713df53 [INFO] running `Command { std: "docker" "start" "-a" "3736b73337a8ae75c69430899bc5dc2920c885f4be0337d22076f6035713df53", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling async-trait v0.1.56 [INFO] [stderr] Compiling crossbeam-queue v0.3.5 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Checking tokio v1.19.2 [INFO] [stderr] Checking qp v0.2.1 (/opt/rustwide/workdir) [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/pool.rs:25:20 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn new(manager: M, max_size: usize) -> Self { [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 25 | inner: Arc::new(Inner { [INFO] [stdout] | ____________________^ [INFO] [stdout] 26 | | manager, [INFO] [stdout] 27 | | resources: ArrayQueue::new(max_size), [INFO] [stdout] 28 | | semaphore: Semaphore::new(max_size), [INFO] [stdout] 29 | | }), [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/pool.rs:100:23 [INFO] [stdout] | [INFO] [stdout] 95 | resource: M::Output, [INFO] [stdout] | ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 96 | permit: SemaphorePermit<'a>, [INFO] [stdout] | --------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 100 | resource: Some(resource), [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/pool.rs:156:9 [INFO] [stdout] | [INFO] [stdout] 155 | pub fn take(mut pooled: Self) -> M::Output { [INFO] [stdout] | ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 156 | pooled.resource.take().unwrap() [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 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `qp` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "3736b73337a8ae75c69430899bc5dc2920c885f4be0337d22076f6035713df53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3736b73337a8ae75c69430899bc5dc2920c885f4be0337d22076f6035713df53", kill_on_drop: false }` [INFO] [stdout] 3736b73337a8ae75c69430899bc5dc2920c885f4be0337d22076f6035713df53