[INFO] fetching crate shared_cell 0.5.0... [INFO] checking shared_cell-0.5.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate shared_cell 0.5.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate shared_cell 0.5.0 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate shared_cell 0.5.0 [INFO] finished tweaking crates.io crate shared_cell 0.5.0 [INFO] tweaked toml for crates.io crate shared_cell 0.5.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate shared_cell 0.5.0 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 74824e2b4ca8e3939d5f81e7039a79d958f6f5fc51e7fcae53014fb6445d98af [INFO] running `Command { std: "docker" "start" "-a" "74824e2b4ca8e3939d5f81e7039a79d958f6f5fc51e7fcae53014fb6445d98af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "74824e2b4ca8e3939d5f81e7039a79d958f6f5fc51e7fcae53014fb6445d98af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74824e2b4ca8e3939d5f81e7039a79d958f6f5fc51e7fcae53014fb6445d98af", kill_on_drop: false }` [INFO] [stdout] 74824e2b4ca8e3939d5f81e7039a79d958f6f5fc51e7fcae53014fb6445d98af [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c67ca18f6e1339b2e0c1fe912ed5acd21bcebbbeaecd11e156445cb6536630d3 [INFO] running `Command { std: "docker" "start" "-a" "c67ca18f6e1339b2e0c1fe912ed5acd21bcebbbeaecd11e156445cb6536630d3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking pin-project-lite v0.2.12 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Compiling async_main_macro v0.4.0 [INFO] [stderr] Checking whisk v0.12.0 [INFO] [stderr] Checking pasts v0.14.3 [INFO] [stderr] Checking shared_cell v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stdout] warning: unused pinned boxed `Future` trait object that must be used [INFO] [stdout] --> src/task_group.rs:160:17 [INFO] [stdout] | [INFO] [stdout] 160 | list.swap_remove(task); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Compiling syn v2.0.27 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Checking tokio v1.30.0 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking async_main v0.4.0 [INFO] [stdout] warning: unused pinned boxed `Future` trait object that must be used [INFO] [stdout] --> src/task_group.rs:160:17 [INFO] [stdout] | [INFO] [stdout] 160 | list.swap_remove(task); [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: 1 warning emitted [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] --> examples/actor.rs:27:48 [INFO] [stdout] | [INFO] [stdout] 25 | let channel = channel.clone(); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 26 | [INFO] [stdout] 27 | async move { Self::worker(channel).await } [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] --> examples/actor.rs:80:21 [INFO] [stdout] | [INFO] [stdout] 79 | Increment(x, oneshot) => { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 80 | shared_cell::spawn!(tasks, increment(x, oneshot)) [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: this error originates in the macro `shared_cell::spawn` (in Nightly builds, run with -Z macro-backtrace for more info) [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] --> examples/actor.rs:83:21 [INFO] [stdout] | [INFO] [stdout] 82 | Double(oneshot) => { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 83 | shared_cell::spawn!(tasks, double(oneshot)) [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: this error originates in the macro `shared_cell::spawn` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `shared_cell` (example "actor") due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "c67ca18f6e1339b2e0c1fe912ed5acd21bcebbbeaecd11e156445cb6536630d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c67ca18f6e1339b2e0c1fe912ed5acd21bcebbbeaecd11e156445cb6536630d3", kill_on_drop: false }` [INFO] [stdout] c67ca18f6e1339b2e0c1fe912ed5acd21bcebbbeaecd11e156445cb6536630d3