[INFO] fetching crate freezable 0.1.8... [INFO] checking freezable-0.1.8 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate freezable 0.1.8 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate freezable 0.1.8 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 freezable 0.1.8 [INFO] finished tweaking crates.io crate freezable 0.1.8 [INFO] tweaked toml for crates.io crate freezable 0.1.8 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2a6c638e0edcb6ed5a55bb22e636be3a33b3631b804c49d839fafb6404879115 [INFO] running `Command { std: "docker" "start" "-a" "2a6c638e0edcb6ed5a55bb22e636be3a33b3631b804c49d839fafb6404879115", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a6c638e0edcb6ed5a55bb22e636be3a33b3631b804c49d839fafb6404879115", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a6c638e0edcb6ed5a55bb22e636be3a33b3631b804c49d839fafb6404879115", kill_on_drop: false }` [INFO] [stdout] 2a6c638e0edcb6ed5a55bb22e636be3a33b3631b804c49d839fafb6404879115 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] dd082a19bf6d36d970fe54b2157f0e6bb278262d828a6fb5b6088199db12b063 [INFO] running `Command { std: "docker" "start" "-a" "dd082a19bf6d36d970fe54b2157f0e6bb278262d828a6fb5b6088199db12b063", kill_on_drop: false }` [INFO] [stderr] Checking freezable v0.1.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `hash_map::FrozenMap` [INFO] [stdout] --> src/frozen_std/collections/mod.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub use hash_map::FrozenMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hash_set::FrozenSet` [INFO] [stdout] --> src/frozen_std/collections/mod.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub use hash_set::FrozenSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hash_map::FrozenMap` [INFO] [stdout] --> src/frozen_std/collections/mod.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub use hash_map::FrozenMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hash_set::FrozenSet` [INFO] [stdout] --> src/frozen_std/collections/mod.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub use hash_set::FrozenSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Frozen` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/frozen_std/boxed.rs:10:16 [INFO] [stdout] | [INFO] [stdout] 8 | fn freeze(self) -> Frozen { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 9 | // Nasty hack required to satisfy the type system. [INFO] [stdout] 10 | Frozen((*self).freeze().0) [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `freezable` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `Frozen` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/frozen_std/boxed.rs:10:16 [INFO] [stdout] | [INFO] [stdout] 8 | fn freeze(self) -> Frozen { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 9 | // Nasty hack required to satisfy the type system. [INFO] [stdout] 10 | Frozen((*self).freeze().0) [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `freezable` (lib) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "dd082a19bf6d36d970fe54b2157f0e6bb278262d828a6fb5b6088199db12b063", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd082a19bf6d36d970fe54b2157f0e6bb278262d828a6fb5b6088199db12b063", kill_on_drop: false }` [INFO] [stdout] dd082a19bf6d36d970fe54b2157f0e6bb278262d828a6fb5b6088199db12b063