[INFO] fetching crate lz_diet 0.1.6... [INFO] checking lz_diet-0.1.6 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate lz_diet 0.1.6 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate lz_diet 0.1.6 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 lz_diet 0.1.6 [INFO] finished tweaking crates.io crate lz_diet 0.1.6 [INFO] tweaked toml for crates.io crate lz_diet 0.1.6 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate lz_diet 0.1.6 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a2da1605748be1e7e627d380fc2e21411278745fdd21b02043a58c3a006ed102 [INFO] running `Command { std: "docker" "start" "-a" "a2da1605748be1e7e627d380fc2e21411278745fdd21b02043a58c3a006ed102", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a2da1605748be1e7e627d380fc2e21411278745fdd21b02043a58c3a006ed102", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2da1605748be1e7e627d380fc2e21411278745fdd21b02043a58c3a006ed102", kill_on_drop: false }` [INFO] [stdout] a2da1605748be1e7e627d380fc2e21411278745fdd21b02043a58c3a006ed102 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8cd2d3db27942087053336c2f9ce73e90b5b5277d81960cc65f376e4deae5e97 [INFO] running `Command { std: "docker" "start" "-a" "8cd2d3db27942087053336c2f9ce73e90b5b5277d81960cc65f376e4deae5e97", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking utf8-ranges v1.0.3 [INFO] [stderr] Checking binary-tree v0.2.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking regex-syntax v0.6.7 [INFO] [stderr] Checking lz_diet v0.1.6 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Option<::NodePtr>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/node_mut_ext.rs:16:34 [INFO] [stdout] | [INFO] [stdout] 10 | fn insert_after(&mut self, new_node: ::NodePtr, mut step_out: F) [INFO] [stdout] | ------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 16 | if let Some(mut right) = self.detach_right() { [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] [stderr] Checking aho-corasick v0.7.3 [INFO] [stdout] error: this value of type `(Option>, Option>)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/diet_node.rs:569:15 [INFO] [stdout] | [INFO] [stdout] 511 | pub(crate) fn split(self, value: Cow) -> SplitResult> [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 521 | let mut current = Some(self); [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 569 | match (merged_left, merged_right) { [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] warning: methods `insert_after`, `insert_max`, and `insert_min` are never used [INFO] [stdout] --> src/node_mut_ext.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub(crate) trait NodeMutExt: NodeMut { [INFO] [stdout] | ---------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 10 | fn insert_after(&mut self, new_node: ::NodePtr, mut step_out: F) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 31 | fn insert_max(&mut self, new_node: ::NodePtr, mut step_out: F) [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | fn insert_min(&mut self, new_node: ::NodePtr, mut step_out: F) [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lz_diet` (lib) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "8cd2d3db27942087053336c2f9ce73e90b5b5277d81960cc65f376e4deae5e97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cd2d3db27942087053336c2f9ce73e90b5b5277d81960cc65f376e4deae5e97", kill_on_drop: false }` [INFO] [stdout] 8cd2d3db27942087053336c2f9ce73e90b5b5277d81960cc65f376e4deae5e97