[INFO] fetching crate libstrophe 0.19.3... [INFO] checking libstrophe-0.19.3 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate libstrophe 0.19.3 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate libstrophe 0.19.3 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 libstrophe 0.19.3 [INFO] finished tweaking crates.io crate libstrophe 0.19.3 [INFO] tweaked toml for crates.io crate libstrophe 0.19.3 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 98 packages to latest compatible versions [INFO] [stderr] Adding bindgen v0.66.1 (available: v0.70.1) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding clap v3.2.25 (available: v4.5.18) [INFO] [stderr] Adding clap_derive v3.2.25 (available: v4.5.18) [INFO] [stderr] Adding clap_lex v0.2.4 (available: v0.7.2) [INFO] [stderr] Adding env_logger v0.10.2 (available: v0.11.5) [INFO] [stderr] Adding hashbrown v0.12.3 (available: v0.14.5) [INFO] [stderr] Adding heck v0.4.1 (available: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.5.0) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding os_str_bytes v6.6.1 (available: v7.0.0) [INFO] [stderr] Adding peeking_take_while v0.1.2 (available: v1.0.0) [INFO] [stderr] Adding rustc-hash v1.1.0 (available: v2.0.0) [INFO] [stderr] Adding strsim v0.10.0 (available: v0.11.1) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding which v4.4.2 (available: v6.0.3) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [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] 71358fede6ab8220185065cf6451d7c97fa0fcffaadcac74dd88e701568e3fcf [INFO] running `Command { std: "docker" "start" "-a" "71358fede6ab8220185065cf6451d7c97fa0fcffaadcac74dd88e701568e3fcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "71358fede6ab8220185065cf6451d7c97fa0fcffaadcac74dd88e701568e3fcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71358fede6ab8220185065cf6451d7c97fa0fcffaadcac74dd88e701568e3fcf", kill_on_drop: false }` [INFO] [stdout] 71358fede6ab8220185065cf6451d7c97fa0fcffaadcac74dd88e701568e3fcf [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] 15c0d24f877dd409a77a3594cb7b16ffe1b29f4f2c3d25e21c7ede1644290e6b [INFO] running `Command { std: "docker" "start" "-a" "15c0d24f877dd409a77a3594cb7b16ffe1b29f4f2c3d25e21c7ede1644290e6b", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking toml_datetime v0.6.8 [INFO] [stderr] Checking serde_spanned v0.6.8 [INFO] [stderr] Compiling libstrophe-sys-bindgen v7.1.0 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling trybuild v1.0.99 [INFO] [stderr] Compiling names v0.14.0 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Checking toml_edit v0.22.22 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking libstrophe v0.19.3 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `T` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ffi_types.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn receive_bool(self) -> bool { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 18 | self.0 != T::zero() [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] warning: variable does not need to be mutable [INFO] [stdout] --> src/stanza.rs:178:7 [INFO] [stdout] | [INFO] [stdout] 178 | let mut inner = unsafe { (self.inner.as_ptr() as *mut xmpp_stanza_t).as_mut() }.expect("Null pointer for Stanza context"); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [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 `libstrophe` (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" "15c0d24f877dd409a77a3594cb7b16ffe1b29f4f2c3d25e21c7ede1644290e6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15c0d24f877dd409a77a3594cb7b16ffe1b29f4f2c3d25e21c7ede1644290e6b", kill_on_drop: false }` [INFO] [stdout] 15c0d24f877dd409a77a3594cb7b16ffe1b29f4f2c3d25e21c7ede1644290e6b