[INFO] fetching crate biodivine-xml-doc 0.3.0... [INFO] checking biodivine-xml-doc-0.3.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate biodivine-xml-doc 0.3.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate biodivine-xml-doc 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 biodivine-xml-doc 0.3.0 [INFO] finished tweaking crates.io crate biodivine-xml-doc 0.3.0 [INFO] tweaked toml for crates.io crate biodivine-xml-doc 0.3.0 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 7 packages to latest compatible versions [INFO] [stderr] Adding itertools v0.12.1 (latest: v0.13.0) [INFO] [stderr] Adding quick-xml v0.31.0 (latest: v0.36.1) [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] f6b978a0d99cfb8a8c9db35d31a7432840b3d2dea71a44abaeb4583bea1aa2a5 [INFO] running `Command { std: "docker" "start" "-a" "f6b978a0d99cfb8a8c9db35d31a7432840b3d2dea71a44abaeb4583bea1aa2a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f6b978a0d99cfb8a8c9db35d31a7432840b3d2dea71a44abaeb4583bea1aa2a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6b978a0d99cfb8a8c9db35d31a7432840b3d2dea71a44abaeb4583bea1aa2a5", kill_on_drop: false }` [INFO] [stdout] f6b978a0d99cfb8a8c9db35d31a7432840b3d2dea71a44abaeb4583bea1aa2a5 [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] 78e237576707a319ff8b7b42c756b3c13465a52a1b58bd13d3490dccaa517500 [INFO] running `Command { std: "docker" "start" "-a" "78e237576707a319ff8b7b42c756b3c13465a52a1b58bd13d3490dccaa517500", kill_on_drop: false }` [INFO] [stderr] Checking quick-xml v0.31.0 [INFO] [stderr] Checking encoding_rs v0.8.34 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking itertools v0.12.1 [INFO] [stderr] Checking biodivine-xml-doc 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/element.rs:867:9 [INFO] [stdout] | [INFO] [stdout] 863 | let known = HashSet::new(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 864 | let mut unknown = HashSet::new(); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 867 | / unknown [INFO] [stdout] 868 | | .into_iter() [INFO] [stdout] 869 | | .map(|prefix| { [INFO] [stdout] 870 | | let Some(namespace) = self.namespace_for_prefix(doc, prefix) else { [INFO] [stdout] ... | [INFO] [stdout] 873 | | (prefix.to_string(), namespace.to_string()) [INFO] [stdout] 874 | | }) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/error.rs:85:19 [INFO] [stdout] | [INFO] [stdout] 84 | fn from(err: std::io::Error) -> Error { [INFO] [stdout] | ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 85 | Error::Io(Arc::new(err)) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/parser.rs:31:24 [INFO] [stdout] | [INFO] [stdout] 27 | pub(crate) fn new(reader: R, decoder: Option) -> DecodeReader { [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 31 | undecoded: vec![0; 4096].into_boxed_slice(), [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/parser.rs:35:22 [INFO] [stdout] | [INFO] [stdout] 27 | pub(crate) fn new(reader: R, decoder: Option) -> DecodeReader { [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 35 | decoded: vec![0; 12288].into_boxed_slice(), [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/parser.rs:387:66 [INFO] [stdout] | [INFO] [stdout] 387 | .map(|enc| Encoding::for_label(enc.as_bytes()).ok_or(Error::CannotDecode)) [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 5 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `biodivine-xml-doc` (lib) due to 6 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "78e237576707a319ff8b7b42c756b3c13465a52a1b58bd13d3490dccaa517500", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78e237576707a319ff8b7b42c756b3c13465a52a1b58bd13d3490dccaa517500", kill_on_drop: false }` [INFO] [stdout] 78e237576707a319ff8b7b42c756b3c13465a52a1b58bd13d3490dccaa517500