[INFO] fetching crate tower-spawn-ready 0.3.0... [INFO] checking tower-spawn-ready-0.3.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate tower-spawn-ready 0.3.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate tower-spawn-ready 0.3.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tower-spawn-ready 0.3.0 [INFO] finished tweaking crates.io crate tower-spawn-ready 0.3.0 [INFO] tweaked toml for crates.io crate tower-spawn-ready 0.3.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 22 packages to latest compatible versions [INFO] [stderr] Adding bytes v0.5.6 (available: v1.7.2) [INFO] [stderr] Adding pin-project v0.4.30 (available: v1.1.5) [INFO] [stderr] Adding pin-project-internal v0.4.30 (available: v1.1.5) [INFO] [stderr] Adding pin-project-lite v0.1.12 (available: v0.2.14) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding tokio v0.2.25 (available: v1.40.0) [INFO] [stderr] Adding tokio-macros v0.2.6 (available: v2.4.0) [INFO] [stderr] Adding tokio-test v0.2.1 (available: v0.4.4) [INFO] [stderr] Adding tower-test v0.3.0 (available: v0.4.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3f725b12729947406c56193ea8a5b73884e01ae8cfa6d34b4254ad2f598c6626 [INFO] running `Command { std: "docker" "start" "-a" "3f725b12729947406c56193ea8a5b73884e01ae8cfa6d34b4254ad2f598c6626", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f725b12729947406c56193ea8a5b73884e01ae8cfa6d34b4254ad2f598c6626", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f725b12729947406c56193ea8a5b73884e01ae8cfa6d34b4254ad2f598c6626", kill_on_drop: false }` [INFO] [stdout] 3f725b12729947406c56193ea8a5b73884e01ae8cfa6d34b4254ad2f598c6626 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2ce87430c9596b392b081f6926e749891f4876d24d82fcc5ece6e012c8a8ed7d [INFO] running `Command { std: "docker" "start" "-a" "2ce87430c9596b392b081f6926e749891f4876d24d82fcc5ece6e012c8a8ed7d", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling pin-project-internal v0.4.30 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking pin-project v0.4.30 [INFO] [stderr] Checking tokio-test v0.2.1 [INFO] [stderr] Checking tower-spawn-ready v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking tower-test v0.3.0 [INFO] [stdout] error: this value of type `tower_test::mock::Spawn>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/spawn_ready.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | let (mut service, mut handle) = mock::spawn_layer::<(), (), _>(layer); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | assert_ready_ok!(service.poll_ready()); [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] = 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: this value of type `tower_test::mock::Spawn>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/spawn_ready.rs:25:10 [INFO] [stdout] | [INFO] [stdout] 25 | let (mut service, mut handle) = mock::spawn_layer::<(), (), _>(layer); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | assert_ready_err!(service.poll_ready()).to_string(), [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] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [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 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tower-spawn-ready` (test "spawn_ready") due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "2ce87430c9596b392b081f6926e749891f4876d24d82fcc5ece6e012c8a8ed7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ce87430c9596b392b081f6926e749891f4876d24d82fcc5ece6e012c8a8ed7d", kill_on_drop: false }` [INFO] [stdout] 2ce87430c9596b392b081f6926e749891f4876d24d82fcc5ece6e012c8a8ed7d