[INFO] fetching crate fast-xml 0.23.1... [INFO] checking fast-xml-0.23.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate fast-xml 0.23.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate fast-xml 0.23.1 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate fast-xml 0.23.1 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate fast-xml 0.23.1 [INFO] tweaked toml for crates.io crate fast-xml 0.23.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate fast-xml 0.23.1 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7c1c0a2cb6b8b3cf6cbda226cda8d021636aae9838a2afc6a1cba18dd9e24bd8 [INFO] running `Command { std: "docker" "start" "-a" "7c1c0a2cb6b8b3cf6cbda226cda8d021636aae9838a2afc6a1cba18dd9e24bd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7c1c0a2cb6b8b3cf6cbda226cda8d021636aae9838a2afc6a1cba18dd9e24bd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c1c0a2cb6b8b3cf6cbda226cda8d021636aae9838a2afc6a1cba18dd9e24bd8", kill_on_drop: false }` [INFO] [stdout] 7c1c0a2cb6b8b3cf6cbda226cda8d021636aae9838a2afc6a1cba18dd9e24bd8 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0e310410cc6d0df1168cd64dc203fc3d213711aba889b11d7b0ad465c3043a2f [INFO] running `Command { std: "docker" "start" "-a" "0e310410cc6d0df1168cd64dc203fc3d213711aba889b11d7b0ad465c3043a2f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling syn v1.0.92 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling semver v1.0.9 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.9.2 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Compiling rayon v1.5.2 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking ordered-float v2.10.0 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking diff v0.1.12 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking fast-xml v0.23.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/writer.rs:212:77 [INFO] [stdout] | [INFO] [stdout] 212 | pub fn create_element<'a, N>(&'a mut self, name: &'a N) -> ElementWriter [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking pretty_assertions v1.2.1 [INFO] [stdout] error: this value of type `std::result::Result, errors::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/reader.rs:291:15 [INFO] [stdout] | [INFO] [stdout] 285 | fn read_until_close<'i, B>(&mut self, buf: B) -> Result> [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 291 | match self.reader.peek_one() { [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fast-xml` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "0e310410cc6d0df1168cd64dc203fc3d213711aba889b11d7b0ad465c3043a2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e310410cc6d0df1168cd64dc203fc3d213711aba889b11d7b0ad465c3043a2f", kill_on_drop: false }` [INFO] [stdout] 0e310410cc6d0df1168cd64dc203fc3d213711aba889b11d7b0ad465c3043a2f