[INFO] fetching crate non-empty-collections 0.1.9... [INFO] checking non-empty-collections-0.1.9 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate non-empty-collections 0.1.9 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate non-empty-collections 0.1.9 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 non-empty-collections 0.1.9 [INFO] finished tweaking crates.io crate non-empty-collections 0.1.9 [INFO] tweaked toml for crates.io crate non-empty-collections 0.1.9 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 9 packages to latest compatible versions [INFO] [stderr] Adding hashbrown v0.12.3 (available: v0.14.5) [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.5.0) [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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [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] 945e5f02adc06af4860b9f88de2ceca8ebe395c9e76d3dc28c3b9fa5e0c81cee [INFO] running `Command { std: "docker" "start" "-a" "945e5f02adc06af4860b9f88de2ceca8ebe395c9e76d3dc28c3b9fa5e0c81cee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "945e5f02adc06af4860b9f88de2ceca8ebe395c9e76d3dc28c3b9fa5e0c81cee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "945e5f02adc06af4860b9f88de2ceca8ebe395c9e76d3dc28c3b9fa5e0c81cee", kill_on_drop: false }` [INFO] [stdout] 945e5f02adc06af4860b9f88de2ceca8ebe395c9e76d3dc28c3b9fa5e0c81cee [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] 3d46163ee814434a92c90e3bf28f9f0280374711d8db112a95e1cb5a1c1a0bfc [INFO] running `Command { std: "docker" "start" "-a" "3d46163ee814434a92c90e3bf28f9f0280374711d8db112a95e1cb5a1c1a0bfc", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking non-empty-collections v0.1.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/index_set/mod.rs:272:19 [INFO] [stdout] | [INFO] [stdout] 272 | impl Extend<(K)> for NonEmptyIndexSet [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 272 - impl Extend<(K)> for NonEmptyIndexSet [INFO] [stdout] 272 + impl Extend for NonEmptyIndexSet [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/index_set/mod.rs:272:19 [INFO] [stdout] | [INFO] [stdout] 272 | impl Extend<(K)> for NonEmptyIndexSet [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 272 - impl Extend<(K)> for NonEmptyIndexSet [INFO] [stdout] 272 + impl Extend for NonEmptyIndexSet [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `indexmap::map::Entry<'_, K, V>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/index_map/entry.rs:85:15 [INFO] [stdout] | [INFO] [stdout] 82 | pub fn insert(self, value: V) -> &'a mut V { [INFO] [stdout] | ---- ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 85 | match map.get_rest_mut().entry(key) { [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 `non-empty-collections` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `indexmap::map::Entry<'_, K, V>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/index_map/entry.rs:85:15 [INFO] [stdout] | [INFO] [stdout] 82 | pub fn insert(self, value: V) -> &'a mut V { [INFO] [stdout] | ---- ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 85 | match map.get_rest_mut().entry(key) { [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 `impl Iterator` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/index_map/mod.rs:511:25 [INFO] [stdout] | [INFO] [stdout] 508 | let original_map = [INFO] [stdout] | ------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 511 | for (key, _) in original_map.iter() { [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 `impl Iterator` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/index_set/mod.rs:406:21 [INFO] [stdout] | [INFO] [stdout] 404 | let original_set = NonEmptyIndexSet::from_iterator(vec![1, 2, 3, 4]).unwrap(); [INFO] [stdout] | ------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 405 | assert_eq!(original_set, original_set); [INFO] [stdout] 406 | for &key in original_set.iter() { [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `non-empty-collections` (lib test) due to 4 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "3d46163ee814434a92c90e3bf28f9f0280374711d8db112a95e1cb5a1c1a0bfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d46163ee814434a92c90e3bf28f9f0280374711d8db112a95e1cb5a1c1a0bfc", kill_on_drop: false }` [INFO] [stdout] 3d46163ee814434a92c90e3bf28f9f0280374711d8db112a95e1cb5a1c1a0bfc