[INFO] fetching crate stackvec 0.2.1... [INFO] checking stackvec-0.2.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate stackvec 0.2.1 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate stackvec 0.2.1 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 stackvec 0.2.1 [INFO] finished tweaking crates.io crate stackvec 0.2.1 [INFO] tweaked toml for crates.io crate stackvec 0.2.1 written to /workspace/builds/worker-5-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] 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] [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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 46c536fd15cd22d21319ca695cfb18e6ae74b8444865daa4c0a88269232519a1 [INFO] running `Command { std: "docker" "start" "-a" "46c536fd15cd22d21319ca695cfb18e6ae74b8444865daa4c0a88269232519a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "46c536fd15cd22d21319ca695cfb18e6ae74b8444865daa4c0a88269232519a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46c536fd15cd22d21319ca695cfb18e6ae74b8444865daa4c0a88269232519a1", kill_on_drop: false }` [INFO] [stdout] 46c536fd15cd22d21319ca695cfb18e6ae74b8444865daa4c0a88269232519a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fdbdb8e8043bcd3f59dc73af98634bde59614076bdd7ad9553e8379ac4c45a51 [INFO] running `Command { std: "docker" "start" "-a" "fdbdb8e8043bcd3f59dc73af98634bde59614076bdd7ad9553e8379ac4c45a51", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking stackvec v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/stackvec/mod.rs:371:9 [INFO] [stdout] | [INFO] [stdout] 371 | try!(fmt::Display::fmt("[", stream)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/stackvec/mod.rs:374:13 [INFO] [stdout] | [INFO] [stdout] 374 | try!(fmt::Debug::fmt(first, stream)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/stackvec/mod.rs:376:17 [INFO] [stdout] | [INFO] [stdout] 376 | try!(write!(stream, ", {:?}", x)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/stackvec/mod.rs:371:9 [INFO] [stdout] | [INFO] [stdout] 371 | try!(fmt::Display::fmt("[", stream)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/stackvec/mod.rs:374:13 [INFO] [stdout] | [INFO] [stdout] 374 | try!(fmt::Debug::fmt(first, stream)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/stackvec/mod.rs:376:17 [INFO] [stdout] | [INFO] [stdout] 376 | try!(write!(stream, ", {:?}", x)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/stackvec/mod.rs:59:57 [INFO] [stdout] | [INFO] [stdout] 59 | array: mem::ManuallyDrop::new(unsafe { mem::uninitialized() }), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/stackvec/mod.rs:59:57 [INFO] [stdout] | [INFO] [stdout] 59 | array: mem::ManuallyDrop::new(unsafe { mem::uninitialized() }), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:47:32 [INFO] [stdout] | [INFO] [stdout] 47 | fmt::Display::fmt(self.description(), stream) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:47:32 [INFO] [stdout] | [INFO] [stdout] 47 | fmt::Display::fmt(self.description(), stream) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait method `into_iter` will become ambiguous in Rust 2021 [INFO] [stdout] --> src/stackvec/traits/array_into_iter.rs:61:13 [INFO] [stdout] | [INFO] [stdout] 61 | array.into_iter() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: disambiguate the associated function: `ArrayIntoIter::into_iter(array)` [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait method `into_iter` will become ambiguous in Rust 2021 [INFO] [stdout] --> src/tests.rs:40:3 [INFO] [stdout] | [INFO] [stdout] 40 | [3, 4, 6, 8].into_iter().collect::>(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: disambiguate the associated function: `ArrayIntoIter::into_iter([3, 4, 6, 8])` [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait method `into_iter` will become ambiguous in Rust 2021 [INFO] [stdout] --> src/tests.rs:48:10 [INFO] [stdout] | [INFO] [stdout] 48 | let _ = [3, 4, 6, 8].into_iter(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: disambiguate the associated function: `ArrayIntoIter::into_iter([3, 4, 6, 8])` [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait method `into_iter` will become ambiguous in Rust 2021 [INFO] [stdout] --> src/tests.rs:55:3 [INFO] [stdout] | [INFO] [stdout] 55 | / [3, 4, 6, 8] [INFO] [stdout] 56 | | .into_iter() [INFO] [stdout] | |____________________^ help: disambiguate the associated function: `ArrayIntoIter::into_iter([3, 4, 6, 8])` [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [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/stackvec/mod.rs:288:13 [INFO] [stdout] | [INFO] [stdout] 284 | factory: impl FnMut() -> A::Item, [INFO] [stdout] | -------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 288 | iter::repeat_with(factory) [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/stackvec/traits/array_into_iter.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 41 | self: Self, [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 44 | StackVec::from(self).into_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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/stackvec/mod.rs:288:13 [INFO] [stdout] | [INFO] [stdout] 284 | factory: impl FnMut() -> A::Item, [INFO] [stdout] | -------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 288 | iter::repeat_with(factory) [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/stackvec/traits/array_into_iter.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 41 | self: Self, [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 44 | StackVec::from(self).into_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 2 previous errors; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `stackvec` (lib) due to 3 previous errors; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `stackvec` (lib test) due to 3 previous errors; 9 warnings emitted [INFO] running `Command { std: "docker" "inspect" "fdbdb8e8043bcd3f59dc73af98634bde59614076bdd7ad9553e8379ac4c45a51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdbdb8e8043bcd3f59dc73af98634bde59614076bdd7ad9553e8379ac4c45a51", kill_on_drop: false }` [INFO] [stdout] fdbdb8e8043bcd3f59dc73af98634bde59614076bdd7ad9553e8379ac4c45a51