[INFO] fetching crate rand_core 0.9.0-alpha.2... [INFO] checking rand_core-0.9.0-alpha.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate rand_core 0.9.0-alpha.2 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate rand_core 0.9.0-alpha.2 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 rand_core 0.9.0-alpha.2 [INFO] finished tweaking crates.io crate rand_core 0.9.0-alpha.2 [INFO] tweaked toml for crates.io crate rand_core 0.9.0-alpha.2 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 13 packages to latest compatible versions [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 90cc85d425b27e057febef1f6b82be3eea48569b313b46f05c285b5c4f4c78ac [INFO] running `Command { std: "docker" "start" "-a" "90cc85d425b27e057febef1f6b82be3eea48569b313b46f05c285b5c4f4c78ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "90cc85d425b27e057febef1f6b82be3eea48569b313b46f05c285b5c4f4c78ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90cc85d425b27e057febef1f6b82be3eea48569b313b46f05c285b5c4f4c78ac", kill_on_drop: false }` [INFO] [stdout] 90cc85d425b27e057febef1f6b82be3eea48569b313b46f05c285b5c4f4c78ac [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 23e6b3b86a24cb00d7e92b8e2511a1e285865623284b557df5662738918ed37f [INFO] running `Command { std: "docker" "start" "-a" "23e6b3b86a24cb00d7e92b8e2511a1e285865623284b557df5662738918ed37f", kill_on_drop: false }` [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking rand_core v0.9.0-alpha.2 (/opt/rustwide/workdir) [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:426:12 [INFO] [stdout] | [INFO] [stdout] 423 | fn try_from_rng(mut rng: R) -> Result { [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 424 | let mut seed = Self::Seed::default(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 425 | rng.try_fill_bytes(seed.as_mut())?; [INFO] [stdout] 426 | Ok(Self::from_seed(seed)) [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/block.rs:244:19 [INFO] [stdout] | [INFO] [stdout] 243 | fn from_seed(seed: Self::Seed) -> Self { [INFO] [stdout] | ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 244 | Self::new(R::from_seed(seed)) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/block.rs:254:19 [INFO] [stdout] | [INFO] [stdout] 253 | fn from_rng(rng: impl RngCore) -> Self { [INFO] [stdout] | ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 254 | Self::new(R::from_rng(rng)) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/block.rs:259:9 [INFO] [stdout] | [INFO] [stdout] 258 | fn try_from_rng(rng: S) -> Result { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 259 | R::try_from_rng(rng).map(Self::new) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/block.rs:409:19 [INFO] [stdout] | [INFO] [stdout] 408 | fn from_seed(seed: Self::Seed) -> Self { [INFO] [stdout] | ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 409 | Self::new(R::from_seed(seed)) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/block.rs:419:19 [INFO] [stdout] | [INFO] [stdout] 418 | fn from_rng(rng: impl RngCore) -> Self { [INFO] [stdout] | ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 419 | Self::new(R::from_rng(rng)) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/block.rs:424:9 [INFO] [stdout] | [INFO] [stdout] 423 | fn try_from_rng(rng: S) -> Result { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 424 | R::try_from_rng(rng).map(Self::new) [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 7 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rand_core` (lib) due to 8 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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:426:12 [INFO] [stdout] | [INFO] [stdout] 423 | fn try_from_rng(mut rng: R) -> Result { [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 424 | let mut seed = Self::Seed::default(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 425 | rng.try_fill_bytes(seed.as_mut())?; [INFO] [stdout] 426 | Ok(Self::from_seed(seed)) [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/block.rs:244:19 [INFO] [stdout] | [INFO] [stdout] 243 | fn from_seed(seed: Self::Seed) -> Self { [INFO] [stdout] | ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 244 | Self::new(R::from_seed(seed)) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/block.rs:254:19 [INFO] [stdout] | [INFO] [stdout] 253 | fn from_rng(rng: impl RngCore) -> Self { [INFO] [stdout] | ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 254 | Self::new(R::from_rng(rng)) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/block.rs:259:9 [INFO] [stdout] | [INFO] [stdout] 258 | fn try_from_rng(rng: S) -> Result { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 259 | R::try_from_rng(rng).map(Self::new) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/block.rs:409:19 [INFO] [stdout] | [INFO] [stdout] 408 | fn from_seed(seed: Self::Seed) -> Self { [INFO] [stdout] | ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 409 | Self::new(R::from_seed(seed)) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/block.rs:419:19 [INFO] [stdout] | [INFO] [stdout] 418 | fn from_rng(rng: impl RngCore) -> Self { [INFO] [stdout] | ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 419 | Self::new(R::from_rng(rng)) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/block.rs:424:9 [INFO] [stdout] | [INFO] [stdout] 423 | fn try_from_rng(rng: S) -> Result { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 424 | R::try_from_rng(rng).map(Self::new) [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 7 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rand_core` (lib test) due to 8 previous errors [INFO] running `Command { std: "docker" "inspect" "23e6b3b86a24cb00d7e92b8e2511a1e285865623284b557df5662738918ed37f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23e6b3b86a24cb00d7e92b8e2511a1e285865623284b557df5662738918ed37f", kill_on_drop: false }` [INFO] [stdout] 23e6b3b86a24cb00d7e92b8e2511a1e285865623284b557df5662738918ed37f