[INFO] fetching crate auto_vec 0.2.0... [INFO] checking auto_vec-0.2.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate auto_vec 0.2.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate auto_vec 0.2.0 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate auto_vec 0.2.0 [INFO] finished tweaking crates.io crate auto_vec 0.2.0 [INFO] tweaked toml for crates.io crate auto_vec 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate auto_vec 0.2.0 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5d34ebf64050347e4e39ed944fa5e4cc2be5e4a6333080c1acf4652a4bf39a52 [INFO] running `Command { std: "docker" "start" "-a" "5d34ebf64050347e4e39ed944fa5e4cc2be5e4a6333080c1acf4652a4bf39a52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d34ebf64050347e4e39ed944fa5e4cc2be5e4a6333080c1acf4652a4bf39a52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d34ebf64050347e4e39ed944fa5e4cc2be5e4a6333080c1acf4652a4bf39a52", kill_on_drop: false }` [INFO] [stdout] 5d34ebf64050347e4e39ed944fa5e4cc2be5e4a6333080c1acf4652a4bf39a52 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0e6830375cb68a777d2262c5a2a39756dfa3d5de3ba4ad8beab84669193fb641 [INFO] running `Command { std: "docker" "start" "-a" "0e6830375cb68a777d2262c5a2a39756dfa3d5de3ba4ad8beab84669193fb641", kill_on_drop: false }` [INFO] [stderr] Checking auto_vec v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `deref::*` [INFO] [stdout] --> src/lib.rs:46:20 [INFO] [stdout] | [INFO] [stdout] 46 | mod deref; pub use deref::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `index::*` [INFO] [stdout] --> src/lib.rs:47:20 [INFO] [stdout] | [INFO] [stdout] 47 | mod index; pub use index::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `deref::*` [INFO] [stdout] --> src/lib.rs:46:20 [INFO] [stdout] | [INFO] [stdout] 46 | mod deref; pub use deref::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `index::*` [INFO] [stdout] --> src/lib.rs:47:20 [INFO] [stdout] | [INFO] [stdout] 47 | mod index; pub use index::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:70:18 [INFO] [stdout] | [INFO] [stdout] 68 | pub fn new(child: T) -> Self { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 69 | Self { [INFO] [stdout] 70 | raw: Box::pin( [INFO] [stdout] | __________________^ [INFO] [stdout] 71 | | RawAutoChild { [INFO] [stdout] 72 | | parent: 0 as _, index: 0, [INFO] [stdout] 73 | | child, [INFO] [stdout] 74 | | } [INFO] [stdout] 75 | | ) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:70:18 [INFO] [stdout] | [INFO] [stdout] 68 | pub fn new(child: T) -> Self { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 69 | Self { [INFO] [stdout] 70 | raw: Box::pin( [INFO] [stdout] | __________________^ [INFO] [stdout] 71 | | RawAutoChild { [INFO] [stdout] 72 | | parent: 0 as _, index: 0, [INFO] [stdout] 73 | | child, [INFO] [stdout] 74 | | } [INFO] [stdout] 75 | | ) [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] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `auto_vec` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `auto_vec` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "0e6830375cb68a777d2262c5a2a39756dfa3d5de3ba4ad8beab84669193fb641", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e6830375cb68a777d2262c5a2a39756dfa3d5de3ba4ad8beab84669193fb641", kill_on_drop: false }` [INFO] [stdout] 0e6830375cb68a777d2262c5a2a39756dfa3d5de3ba4ad8beab84669193fb641