[INFO] fetching crate mackerel_plugin 0.2.6... [INFO] checking mackerel_plugin-0.2.6 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate mackerel_plugin 0.2.6 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate mackerel_plugin 0.2.6 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 mackerel_plugin 0.2.6 [INFO] finished tweaking crates.io crate mackerel_plugin 0.2.6 [INFO] tweaked toml for crates.io crate mackerel_plugin 0.2.6 written to /workspace/builds/worker-0-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 92 packages to latest compatible versions [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.5) [INFO] [stderr] Adding heck v0.4.1 (latest: v0.5.0) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.5.0) [INFO] [stderr] Adding rstest v0.18.2 (latest: v0.22.0) [INFO] [stderr] Adding rstest_macros v0.18.2 (latest: v0.22.0) [INFO] [stderr] Adding strum v0.25.0 (latest: v0.26.3) [INFO] [stderr] Adding strum_macros v0.25.3 (latest: v0.26.4) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.58.0) [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4c76f7204c8b24830d3d6cdc6e524728e2356e7aa4836d2677d1da1f1c88242e [INFO] running `Command { std: "docker" "start" "-a" "4c76f7204c8b24830d3d6cdc6e524728e2356e7aa4836d2677d1da1f1c88242e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c76f7204c8b24830d3d6cdc6e524728e2356e7aa4836d2677d1da1f1c88242e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c76f7204c8b24830d3d6cdc6e524728e2356e7aa4836d2677d1da1f1c88242e", kill_on_drop: false }` [INFO] [stdout] 4c76f7204c8b24830d3d6cdc6e524728e2356e7aa4836d2677d1da1f1c88242e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a60da773bc3b7fc3e6224fccf14100031f0a610922a2738d50ea1c13e705cb71 [INFO] running `Command { std: "docker" "start" "-a" "a60da773bc3b7fc3e6224fccf14100031f0a610922a2738d50ea1c13e705cb71", kill_on_drop: false }` [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling relative-path v1.9.3 [INFO] [stderr] Compiling rstest_macros v0.18.2 [INFO] [stderr] Compiling strum_macros v0.25.3 [INFO] [stderr] Compiling derive_utils v0.14.2 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling auto_enums v0.8.6 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Checking strum v0.25.0 [INFO] [stderr] Compiling regex-automata v0.4.7 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking serde_with v3.9.0 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Compiling regex v1.10.6 [INFO] [stderr] Checking mackerel_plugin v0.2.6 (/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/plugin.rs:132:5 [INFO] [stdout] | [INFO] [stdout] 131 | let file = std::fs::File::open(path).map_err(|e| format!("open {} failed: {}", path, e))?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 132 | serde_json::de::from_reader(file).map_err(|e| format!("read {} failed: {}", path, e)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will 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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/plugin.rs:154:5 [INFO] [stdout] | [INFO] [stdout] 149 | let mut file = [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 154 | std::fs::rename(tmp_path, path).map_err(|e| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will 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 `mackerel_plugin` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a60da773bc3b7fc3e6224fccf14100031f0a610922a2738d50ea1c13e705cb71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a60da773bc3b7fc3e6224fccf14100031f0a610922a2738d50ea1c13e705cb71", kill_on_drop: false }` [INFO] [stdout] a60da773bc3b7fc3e6224fccf14100031f0a610922a2738d50ea1c13e705cb71