[INFO] fetching crate page-turner 1.0.0... [INFO] checking page-turner-1.0.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate page-turner 1.0.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate page-turner 1.0.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate page-turner 1.0.0 [INFO] finished tweaking crates.io crate page-turner 1.0.0 [INFO] tweaked toml for crates.io crate page-turner 1.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 37 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition [INFO] [stderr] (in the `futures` dependency) [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6b5eb3ba539bd452736c29d3fbeef8bbfee91099f4f98413baa80633656b3792 [INFO] running `Command { std: "docker" "start" "-a" "6b5eb3ba539bd452736c29d3fbeef8bbfee91099f4f98413baa80633656b3792", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6b5eb3ba539bd452736c29d3fbeef8bbfee91099f4f98413baa80633656b3792", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b5eb3ba539bd452736c29d3fbeef8bbfee91099f4f98413baa80633656b3792", kill_on_drop: false }` [INFO] [stdout] 6b5eb3ba539bd452736c29d3fbeef8bbfee91099f4f98413baa80633656b3792 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f8eed539610dc92c3dc84a99894b67c6559b7bb37dabbbd5cd2cbaab3f6faa51 [INFO] running `Command { std: "docker" "start" "-a" "f8eed539610dc92c3dc84a99894b67c6559b7bb37dabbbd5cd2cbaab3f6faa51", kill_on_drop: false }` [INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition [INFO] [stderr] (in the `futures` dependency) [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking page-turner v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Option>::PageItems, R>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/internal/pages_ahead.rs:73:19 [INFO] [stdout] | [INFO] [stdout] 36 | mut state: Box>, [INFO] [stdout] | --------- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 73 | match state.in_progress.try_next().await? { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/mt/mod.rs:195:1 [INFO] [stdout] | [INFO] [stdout] 195 | request_pages_ahead_decl!(R: Send); [INFO] [stdout] | ---------------------------------- in this macro invocation [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] = note: this error originates in the macro `request_pages_ahead_decl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Option>::PageItems, R>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/internal/pages_ahead.rs:73:19 [INFO] [stdout] | [INFO] [stdout] 36 | mut state: Box>, [INFO] [stdout] | --------- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 73 | match state.in_progress.try_next().await? { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/mt/mod.rs:195:1 [INFO] [stdout] | [INFO] [stdout] 195 | request_pages_ahead_decl!(R: Send); [INFO] [stdout] | ---------------------------------- in this macro invocation [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] = note: this error originates in the macro `request_pages_ahead_decl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Option<(usize, Result>::PageItems, R>,

>::PageError>)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/internal/pages_ahead_unordered.rs:135:23 [INFO] [stdout] | [INFO] [stdout] 53 | mut state: Box>, [INFO] [stdout] | --------- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 135 | match state.in_progress.next().await { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/mt/mod.rs:196:1 [INFO] [stdout] | [INFO] [stdout] 196 | request_pages_ahead_unordered_decl!(R: Send); [INFO] [stdout] | -------------------------------------------- in this macro invocation [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 `request_pages_ahead_unordered_decl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Option<(usize, Result>::PageItems, R>,

>::PageError>)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/internal/pages_ahead_unordered.rs:135:23 [INFO] [stdout] | [INFO] [stdout] 53 | mut state: Box>, [INFO] [stdout] | --------- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 135 | match state.in_progress.next().await { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/mt/mod.rs:196:1 [INFO] [stdout] | [INFO] [stdout] 196 | request_pages_ahead_unordered_decl!(R: Send); [INFO] [stdout] | -------------------------------------------- in this macro invocation [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 `request_pages_ahead_unordered_decl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `page-turner` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused implementer of `futures::Future` that must be used [INFO] [stdout] --> src/mt/tests.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | is_send(p.turn_page(req.clone())); [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 implementer of `futures::Future` that must be used [INFO] [stdout] --> src/mt/tests.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 49 | is_send(p.turn_page(req.clone())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused implementer of `futures::Future` that must be used [INFO] [stdout] --> src/mt/tests.rs:64:5 [INFO] [stdout] | [INFO] [stdout] 64 | is_send(p.turn_page(req.clone())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `page-turner` (lib test) due to 3 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "f8eed539610dc92c3dc84a99894b67c6559b7bb37dabbbd5cd2cbaab3f6faa51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8eed539610dc92c3dc84a99894b67c6559b7bb37dabbbd5cd2cbaab3f6faa51", kill_on_drop: false }` [INFO] [stdout] f8eed539610dc92c3dc84a99894b67c6559b7bb37dabbbd5cd2cbaab3f6faa51