[INFO] fetching crate polyeval 0.4.3... [INFO] checking polyeval-0.4.3 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate polyeval 0.4.3 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate polyeval 0.4.3 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 polyeval 0.4.3 [INFO] finished tweaking crates.io crate polyeval 0.4.3 [INFO] tweaked toml for crates.io crate polyeval 0.4.3 written to /workspace/builds/worker-2-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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 4 packages to latest compatible versions [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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] bf2b6c23b3e2d7aaa07e93f5770fe192a0959b3b03c063fd931998d6e90789f9 [INFO] running `Command { std: "docker" "start" "-a" "bf2b6c23b3e2d7aaa07e93f5770fe192a0959b3b03c063fd931998d6e90789f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bf2b6c23b3e2d7aaa07e93f5770fe192a0959b3b03c063fd931998d6e90789f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf2b6c23b3e2d7aaa07e93f5770fe192a0959b3b03c063fd931998d6e90789f9", kill_on_drop: false }` [INFO] [stdout] bf2b6c23b3e2d7aaa07e93f5770fe192a0959b3b03c063fd931998d6e90789f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b9794bc354ae7ec2bd903ca9b7898cf7d410196826deb626cfddca4e919fb6eb [INFO] running `Command { std: "docker" "start" "-a" "b9794bc354ae7ec2bd903ca9b7898cf7d410196826deb626cfddca4e919fb6eb", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking polyeval v0.4.3 (/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:56:25 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn horner(x: T, coeffs: &[T]) -> T [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 56 | coeffs.iter().rfold(T::zero(), |acc: T, c: &T| acc * &x + c) [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:56:52 [INFO] [stdout] | [INFO] [stdout] 56 | coeffs.iter().rfold(T::zero(), |acc: T, c: &T| acc * &x + c) [INFO] [stdout] | ------ ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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/lib.rs:87:25 [INFO] [stdout] | [INFO] [stdout] 81 | pub fn horner_array(x: T, coeffs: &[T; N]) -> T [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 87 | coeffs.iter().rfold(T::zero(), |acc: T, c: &T| acc * &x + c) [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/lib.rs:87:52 [INFO] [stdout] | [INFO] [stdout] 87 | coeffs.iter().rfold(T::zero(), |acc: T, c: &T| acc * &x + c) [INFO] [stdout] | ------ ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `polyeval` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unexpected `cfg` condition value: `lib` [INFO] [stdout] --> src/lib.rs:360:32 [INFO] [stdout] | [INFO] [stdout] 360 | #[cfg(any(feature = "std", feature = "lib"))] [INFO] [stdout] | ^^^^^^^^^^----- [INFO] [stdout] | | [INFO] [stdout] | help: there is a expected value with a similar name: `"libm"` [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `libm`, and `std` [INFO] [stdout] = help: consider adding `lib` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `lib` [INFO] [stdout] --> src/lib.rs:411:32 [INFO] [stdout] | [INFO] [stdout] 411 | #[cfg(any(feature = "std", feature = "lib"))] [INFO] [stdout] | ^^^^^^^^^^----- [INFO] [stdout] | | [INFO] [stdout] | help: there is a expected value with a similar name: `"libm"` [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `libm`, and `std` [INFO] [stdout] = help: consider adding `lib` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `lib` [INFO] [stdout] --> src/lib.rs:464:32 [INFO] [stdout] | [INFO] [stdout] 464 | #[cfg(any(feature = "std", feature = "lib"))] [INFO] [stdout] | ^^^^^^^^^^----- [INFO] [stdout] | | [INFO] [stdout] | help: there is a expected value with a similar name: `"libm"` [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `libm`, and `std` [INFO] [stdout] = help: consider adding `lib` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `lib` [INFO] [stdout] --> src/lib.rs:472:32 [INFO] [stdout] | [INFO] [stdout] 472 | #[cfg(any(feature = "std", feature = "lib"))] [INFO] [stdout] | ^^^^^^^^^^----- [INFO] [stdout] | | [INFO] [stdout] | help: there is a expected value with a similar name: `"libm"` [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `libm`, and `std` [INFO] [stdout] = help: consider adding `lib` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `lib` [INFO] [stdout] --> src/lib.rs:496:32 [INFO] [stdout] | [INFO] [stdout] 496 | #[cfg(any(feature = "std", feature = "lib"))] [INFO] [stdout] | ^^^^^^^^^^----- [INFO] [stdout] | | [INFO] [stdout] | help: there is a expected value with a similar name: `"libm"` [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `libm`, and `std` [INFO] [stdout] = help: consider adding `lib` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `lib` [INFO] [stdout] --> src/lib.rs:504:32 [INFO] [stdout] | [INFO] [stdout] 504 | #[cfg(any(feature = "std", feature = "lib"))] [INFO] [stdout] | ^^^^^^^^^^----- [INFO] [stdout] | | [INFO] [stdout] | help: there is a expected value with a similar name: `"libm"` [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `libm`, and `std` [INFO] [stdout] = help: consider adding `lib` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [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:56:25 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn horner(x: T, coeffs: &[T]) -> T [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 56 | coeffs.iter().rfold(T::zero(), |acc: T, c: &T| acc * &x + c) [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:56:52 [INFO] [stdout] | [INFO] [stdout] 56 | coeffs.iter().rfold(T::zero(), |acc: T, c: &T| acc * &x + c) [INFO] [stdout] | ------ ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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/lib.rs:87:25 [INFO] [stdout] | [INFO] [stdout] 81 | pub fn horner_array(x: T, coeffs: &[T; N]) -> T [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 87 | coeffs.iter().rfold(T::zero(), |acc: T, c: &T| acc * &x + c) [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/lib.rs:87:52 [INFO] [stdout] | [INFO] [stdout] 87 | coeffs.iter().rfold(T::zero(), |acc: T, c: &T| acc * &x + c) [INFO] [stdout] | ------ ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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 4 previous errors; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `polyeval` (lib test) due to 5 previous errors; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "b9794bc354ae7ec2bd903ca9b7898cf7d410196826deb626cfddca4e919fb6eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9794bc354ae7ec2bd903ca9b7898cf7d410196826deb626cfddca4e919fb6eb", kill_on_drop: false }` [INFO] [stdout] b9794bc354ae7ec2bd903ca9b7898cf7d410196826deb626cfddca4e919fb6eb