[INFO] fetching crate metrics-exporter-http 0.3.0... [INFO] checking metrics-exporter-http-0.3.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate metrics-exporter-http 0.3.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate metrics-exporter-http 0.3.0 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 metrics-exporter-http 0.3.0 [INFO] finished tweaking crates.io crate metrics-exporter-http 0.3.0 [INFO] tweaked toml for crates.io crate metrics-exporter-http 0.3.0 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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 61 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding bytes v0.5.6 (latest: v1.7.1) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding h2 v0.2.7 (latest: v0.4.6) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.5) [INFO] [stderr] Adding http v0.2.12 (latest: v1.1.0) [INFO] [stderr] Adding http-body v0.3.1 (latest: v1.0.1) [INFO] [stderr] Adding httpdate v0.3.2 (latest: v1.0.3) [INFO] [stderr] Adding hyper v0.13.10 (latest: v1.4.1) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.5.0) [INFO] [stderr] Adding itoa v0.4.8 (latest: v1.0.11) [INFO] [stderr] Adding mio v0.6.23 (latest: v1.0.2) [INFO] [stderr] Adding miow v0.2.2 (latest: v0.6.0) [INFO] [stderr] Adding pin-project-lite v0.1.12 (latest: v0.2.14) [INFO] [stderr] Adding socket2 v0.3.19 (latest: v0.5.7) [INFO] [stderr] Adding tokio v0.2.25 (latest: v1.40.0) [INFO] [stderr] Adding tokio-util v0.3.1 (latest: v0.7.11) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6b1c028698a0b7cdfe902858f17aa7a037e79688f3ef8142b85308fa524c363b [INFO] running `Command { std: "docker" "start" "-a" "6b1c028698a0b7cdfe902858f17aa7a037e79688f3ef8142b85308fa524c363b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6b1c028698a0b7cdfe902858f17aa7a037e79688f3ef8142b85308fa524c363b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b1c028698a0b7cdfe902858f17aa7a037e79688f3ef8142b85308fa524c363b", kill_on_drop: false }` [INFO] [stdout] 6b1c028698a0b7cdfe902858f17aa7a037e79688f3ef8142b85308fa524c363b [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dfce32f3f12780fd13e9622771ca7f90e373704bb1cda6929fc7b538f0c8f76e [INFO] running `Command { std: "docker" "start" "-a" "dfce32f3f12780fd13e9622771ca7f90e373704bb1cda6929fc7b538f0c8f76e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking httpdate v0.3.2 [INFO] [stderr] Checking metrics-core v0.5.2 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking h2 v0.2.7 [INFO] [stderr] Checking hyper v0.13.10 [INFO] [stderr] Checking metrics-exporter-http v0.3.0 (/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/lib.rs:51:32 [INFO] [stdout] | [INFO] [stdout] 47 | let builder = builder.clone(); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 48 | let controller = controller.clone(); [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 51 | Ok::<_, Error>(service_fn(move |_| { [INFO] [stdout] | ________________________________^ [INFO] [stdout] 52 | | let builder = builder.clone(); [INFO] [stdout] 53 | | let controller = controller.clone(); [INFO] [stdout] ... | [INFO] [stdout] 60 | | } [INFO] [stdout] 61 | | })) [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] [stderr] error: could not compile `metrics-exporter-http` (lib test) due to 3 previous errors [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:51:32 [INFO] [stdout] | [INFO] [stdout] 47 | let builder = builder.clone(); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 48 | let controller = controller.clone(); [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 51 | Ok::<_, Error>(service_fn(move |_| { [INFO] [stdout] | ________________________________^ [INFO] [stdout] 52 | | let builder = builder.clone(); [INFO] [stdout] 53 | | let controller = controller.clone(); [INFO] [stdout] ... | [INFO] [stdout] 60 | | } [INFO] [stdout] 61 | | })) [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] [stderr] warning: build failed, waiting for other jobs to finish... [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:59:40 [INFO] [stdout] | [INFO] [stdout] 52 | let builder = builder.clone(); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 53 | let controller = controller.clone(); [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 56 | let mut observer = builder.build(); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 59 | Ok::<_, Error>(Response::new(Body::from(output))) [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 2 previous errors [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:59:40 [INFO] [stdout] | [INFO] [stdout] 52 | let builder = builder.clone(); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 53 | let controller = controller.clone(); [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 56 | let mut observer = builder.build(); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 59 | Ok::<_, Error>(Response::new(Body::from(output))) [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 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `metrics-exporter-http` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "dfce32f3f12780fd13e9622771ca7f90e373704bb1cda6929fc7b538f0c8f76e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dfce32f3f12780fd13e9622771ca7f90e373704bb1cda6929fc7b538f0c8f76e", kill_on_drop: false }` [INFO] [stdout] dfce32f3f12780fd13e9622771ca7f90e373704bb1cda6929fc7b538f0c8f76e