[INFO] fetching crate yml_to_ron 0.1.0... [INFO] checking yml_to_ron-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate yml_to_ron 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate yml_to_ron 0.1.0 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 yml_to_ron 0.1.0 [INFO] finished tweaking crates.io crate yml_to_ron 0.1.0 [INFO] tweaked toml for crates.io crate yml_to_ron 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate yml_to_ron 0.1.0 already has a lockfile, it will not be regenerated [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] 74f0628dab499447c085c9f79b2d1d50b5f3261501ac5228b8f6549faf593828 [INFO] running `Command { std: "docker" "start" "-a" "74f0628dab499447c085c9f79b2d1d50b5f3261501ac5228b8f6549faf593828", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "74f0628dab499447c085c9f79b2d1d50b5f3261501ac5228b8f6549faf593828", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74f0628dab499447c085c9f79b2d1d50b5f3261501ac5228b8f6549faf593828", kill_on_drop: false }` [INFO] [stdout] 74f0628dab499447c085c9f79b2d1d50b5f3261501ac5228b8f6549faf593828 [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] 8aa99a9033045472e19cc14b9fd8f8edbb440dd0dbf145497ab71cf2aa83f7f1 [INFO] running `Command { std: "docker" "start" "-a" "8aa99a9033045472e19cc14b9fd8f8edbb440dd0dbf145497ab71cf2aa83f7f1", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.63 [INFO] [stderr] Compiling serde_derive v1.0.124 [INFO] [stderr] Compiling serde v1.0.124 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking serde_test v1.0.124 [INFO] [stderr] Checking ron v0.6.4 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking yml_to_ron v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `to_string_pretty` and `to_writer` [INFO] [stdout] --> src/main.rs:7:30 [INFO] [stdout] | [INFO] [stdout] 7 | use ron::ser::{PrettyConfig, to_string_pretty, to_writer, to_writer_pretty}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Serializer` [INFO] [stdout] --> src/main.rs:9:24 [INFO] [stdout] | [INFO] [stdout] 9 | use serde::{Serialize, Serializer}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::YamlSerialize::BadValue` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use crate::YamlSerialize::BadValue; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `to_string_pretty` and `to_writer` [INFO] [stdout] --> src/main.rs:7:30 [INFO] [stdout] | [INFO] [stdout] 7 | use ron::ser::{PrettyConfig, to_string_pretty, to_writer, to_writer_pretty}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Serializer` [INFO] [stdout] --> src/main.rs:9:24 [INFO] [stdout] | [INFO] [stdout] 9 | use serde::{Serialize, Serializer}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::YamlSerialize::BadValue` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use crate::YamlSerialize::BadValue; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/main.rs:86:8 [INFO] [stdout] | [INFO] [stdout] 82 | let ron_file = File::create(&ron_filename); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 86 | Ok(BufWriter::new(ron_file.unwrap())) [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; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `yml_to_ron` (bin "yron" test) due to 2 previous errors; 3 warnings emitted [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/main.rs:86:8 [INFO] [stdout] | [INFO] [stdout] 82 | let ron_file = File::create(&ron_filename); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 86 | Ok(BufWriter::new(ron_file.unwrap())) [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; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `yml_to_ron` (bin "yron") due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "8aa99a9033045472e19cc14b9fd8f8edbb440dd0dbf145497ab71cf2aa83f7f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8aa99a9033045472e19cc14b9fd8f8edbb440dd0dbf145497ab71cf2aa83f7f1", kill_on_drop: false }` [INFO] [stdout] 8aa99a9033045472e19cc14b9fd8f8edbb440dd0dbf145497ab71cf2aa83f7f1