[INFO] fetching crate gazebo 0.8.1... [INFO] checking gazebo-0.8.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate gazebo 0.8.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate gazebo 0.8.1 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 gazebo 0.8.1 [INFO] finished tweaking crates.io crate gazebo 0.8.1 [INFO] tweaked toml for crates.io crate gazebo 0.8.1 written to /workspace/builds/worker-4-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 5 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [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-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d1e76e0426d0bb5bd76e8745364a0d2c652e4704a64f864447c7c48bee032088 [INFO] running `Command { std: "docker" "start" "-a" "d1e76e0426d0bb5bd76e8745364a0d2c652e4704a64f864447c7c48bee032088", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d1e76e0426d0bb5bd76e8745364a0d2c652e4704a64f864447c7c48bee032088", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1e76e0426d0bb5bd76e8745364a0d2c652e4704a64f864447c7c48bee032088", kill_on_drop: false }` [INFO] [stdout] d1e76e0426d0bb5bd76e8745364a0d2c652e4704a64f864447c7c48bee032088 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 23b453bf5cb7dbfb367e8ef45e7e4d76386f00ed5655f036a47ea1900bc66da9 [INFO] running `Command { std: "docker" "start" "-a" "23b453bf5cb7dbfb367e8ef45e7e4d76386f00ed5655f036a47ea1900bc66da9", kill_on_drop: false }` [INFO] [stderr] Compiling gazebo_derive v0.8.0 [INFO] [stderr] Checking gazebo v0.8.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result<(), Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ext/iter.rs:250:15 [INFO] [stdout] | [INFO] [stdout] 234 | fn try_any(mut self, f: F) -> Result [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 250 | match self.try_fold((), check(f)) { [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<(), Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ext/iter.rs:273:15 [INFO] [stdout] | [INFO] [stdout] 257 | fn try_all(mut self, f: F) -> Result [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 273 | match self.try_fold((), check(f)) { [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 `Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ext/vec.rs:23:11 [INFO] [stdout] | [INFO] [stdout] 22 | fn collect_result(mut it: impl ExactSizeIterator>) -> Result, E> { [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 23 | match it.next() { [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 `gazebo` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `Result<(), Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ext/iter.rs:250:15 [INFO] [stdout] | [INFO] [stdout] 234 | fn try_any(mut self, f: F) -> Result [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 250 | match self.try_fold((), check(f)) { [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<(), Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ext/iter.rs:273:15 [INFO] [stdout] | [INFO] [stdout] 257 | fn try_all(mut self, f: F) -> Result [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 273 | match self.try_fold((), check(f)) { [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 `Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ext/vec.rs:23:11 [INFO] [stdout] | [INFO] [stdout] 22 | fn collect_result(mut it: impl ExactSizeIterator>) -> Result, E> { [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 23 | match it.next() { [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: field `0` is never read [INFO] [stdout] --> src/any.rs:255:27 [INFO] [stdout] | [INFO] [stdout] 255 | struct Value2<'a>(&'a str); [INFO] [stdout] | ------ ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/any.rs:295:24 [INFO] [stdout] | [INFO] [stdout] 295 | struct Bbb<'a>(&'a str); [INFO] [stdout] | --- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/any.rs:299:29 [INFO] [stdout] | [INFO] [stdout] 299 | struct Bbb2<'a, 'b>(&'a str, &'b str); [INFO] [stdout] | ---- ^^^^^^^ ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/any.rs:328:38 [INFO] [stdout] | [INFO] [stdout] 328 | struct FooBar<'x, P: My<'x>>(&'x P); [INFO] [stdout] | ------ ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `gazebo` (lib test) due to 4 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "23b453bf5cb7dbfb367e8ef45e7e4d76386f00ed5655f036a47ea1900bc66da9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23b453bf5cb7dbfb367e8ef45e7e4d76386f00ed5655f036a47ea1900bc66da9", kill_on_drop: false }` [INFO] [stdout] 23b453bf5cb7dbfb367e8ef45e7e4d76386f00ed5655f036a47ea1900bc66da9