[INFO] fetching crate fltk 1.4.34... [INFO] checking fltk-1.4.34 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate fltk 1.4.34 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate fltk 1.4.34 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate fltk 1.4.34 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate fltk 1.4.34 [INFO] tweaked toml for crates.io crate fltk 1.4.34 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate fltk 1.4.34 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 35d3b7ef2f83b774ad4c3ee3081ff982fb505ec34e1419db43103be55c6ae85c [INFO] running `Command { std: "docker" "start" "-a" "35d3b7ef2f83b774ad4c3ee3081ff982fb505ec34e1419db43103be55c6ae85c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "35d3b7ef2f83b774ad4c3ee3081ff982fb505ec34e1419db43103be55c6ae85c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35d3b7ef2f83b774ad4c3ee3081ff982fb505ec34e1419db43103be55c6ae85c", kill_on_drop: false }` [INFO] [stdout] 35d3b7ef2f83b774ad4c3ee3081ff982fb505ec34e1419db43103be55c6ae85c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 260353c373510bc4e37422a63a1d8a4ef7464fb6ae92652e18b96e420a016d68 [INFO] running `Command { std: "docker" "start" "-a" "260353c373510bc4e37422a63a1d8a4ef7464fb6ae92652e18b96e420a016d68", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.1.6 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking ttf-parser v0.24.0 [INFO] [stderr] Checking crossbeam-channel v0.5.13 [INFO] [stderr] Compiling cmake v0.1.50 [INFO] [stderr] Compiling fltk-sys v1.4.34 [INFO] [stderr] Checking fltk v1.4.34 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `std::option::Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/app/widget.rs:188:26 [INFO] [stdout] | [INFO] [stdout] 187 | let mut v: Vec = vec![]; [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 188 | if let Some(first) = first_window() { [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: this value of type `std::option::Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/app/widget.rs:188:26 [INFO] [stdout] | [INFO] [stdout] 187 | let mut v: Vec = vec![]; [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 188 | if let Some(first) = first_window() { [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: this value of type `Result>, TryLockError>>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/app/state.rs:37:36 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn with V>(&self, mut cb: F) -> V { [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 36 | if let Some(state) = STATE.get() { [INFO] [stdout] 37 | if let Ok(mut state) = state.try_lock() { [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: this value of type `Result>, TryLockError>>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/app/state.rs:37:36 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn with V>(&self, mut cb: F) -> V { [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 36 | if let Some(state) = STATE.get() { [INFO] [stdout] 37 | if let Ok(mut state) = state.try_lock() { [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: this value of type `Result>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/tree.rs:1196:34 [INFO] [stdout] | [INFO] [stdout] 1193 | let mut item = TreeItem::from_raw(item).unwrap(); [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1196 | if let Ok(ret) = std::panic::catch_unwind(std::panic::AssertUnwindSafe(|| { [INFO] [stdout] | __________________________________^ [INFO] [stdout] 1197 | | f(&mut item, render != 0) [INFO] [stdout] 1198 | | })) { [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: this value of type `Result>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/tree.rs:1196:34 [INFO] [stdout] | [INFO] [stdout] 1193 | let mut item = TreeItem::from_raw(item).unwrap(); [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1196 | if let Ok(ret) = std::panic::catch_unwind(std::panic::AssertUnwindSafe(|| { [INFO] [stdout] | __________________________________^ [INFO] [stdout] 1197 | | f(&mut item, render != 0) [INFO] [stdout] 1198 | | })) { [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 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fltk` (lib test) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fltk` (lib) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "260353c373510bc4e37422a63a1d8a4ef7464fb6ae92652e18b96e420a016d68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "260353c373510bc4e37422a63a1d8a4ef7464fb6ae92652e18b96e420a016d68", kill_on_drop: false }` [INFO] [stdout] 260353c373510bc4e37422a63a1d8a4ef7464fb6ae92652e18b96e420a016d68