[INFO] fetching crate prom-timer-macro 0.1.1... [INFO] checking prom-timer-macro-0.1.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate prom-timer-macro 0.1.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate prom-timer-macro 0.1.1 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 prom-timer-macro 0.1.1 [INFO] finished tweaking crates.io crate prom-timer-macro 0.1.1 [INFO] tweaked toml for crates.io crate prom-timer-macro 0.1.1 written to /workspace/builds/worker-3-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] Locking 32 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [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] 96056bdda2035f4483025376c6cbdbb6fde67649b80e7d6501f0f67ef8b6ba18 [INFO] running `Command { std: "docker" "start" "-a" "96056bdda2035f4483025376c6cbdbb6fde67649b80e7d6501f0f67ef8b6ba18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "96056bdda2035f4483025376c6cbdbb6fde67649b80e7d6501f0f67ef8b6ba18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96056bdda2035f4483025376c6cbdbb6fde67649b80e7d6501f0f67ef8b6ba18", kill_on_drop: false }` [INFO] [stdout] 96056bdda2035f4483025376c6cbdbb6fde67649b80e7d6501f0f67ef8b6ba18 [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] b1e8ca7fb4b34a44bcc51a9592805773c83ca75dbb6a9d9690abbe3681252c8d [INFO] running `Command { std: "docker" "start" "-a" "b1e8ca7fb4b34a44bcc51a9592805773c83ca75dbb6a9d9690abbe3681252c8d", kill_on_drop: false }` [INFO] [stderr] Compiling prometheus v0.13.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking thiserror v1.0.63 [INFO] [stderr] Checking prom-timer v0.1.1 [INFO] [stderr] Checking prom-timer-macro v0.1.1 (/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/lib.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 19 | let mut params: VecDeque = Punctuated::::parse_terminated(input)? [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 23 | let metric = params.pop_front().unwrap(); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 24 | [INFO] [stdout] 25 | Ok(Args { [INFO] [stdout] | ____________^ [INFO] [stdout] 26 | | metric, [INFO] [stdout] 27 | | tags: params.into_iter().collect(), [INFO] [stdout] 28 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________| [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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `prom-timer-macro` (lib test) due to 2 previous errors [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:25:12 [INFO] [stdout] | [INFO] [stdout] 19 | let mut params: VecDeque = Punctuated::::parse_terminated(input)? [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 23 | let metric = params.pop_front().unwrap(); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 24 | [INFO] [stdout] 25 | Ok(Args { [INFO] [stdout] | ____________^ [INFO] [stdout] 26 | | metric, [INFO] [stdout] 27 | | tags: params.into_iter().collect(), [INFO] [stdout] 28 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________| [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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `prom-timer-macro` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "b1e8ca7fb4b34a44bcc51a9592805773c83ca75dbb6a9d9690abbe3681252c8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1e8ca7fb4b34a44bcc51a9592805773c83ca75dbb6a9d9690abbe3681252c8d", kill_on_drop: false }` [INFO] [stdout] b1e8ca7fb4b34a44bcc51a9592805773c83ca75dbb6a9d9690abbe3681252c8d