[INFO] fetching crate coco 0.3.4... [INFO] checking coco-0.3.4 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate coco 0.3.4 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate coco 0.3.4 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 coco 0.3.4 [INFO] finished tweaking crates.io crate coco 0.3.4 [INFO] tweaked toml for crates.io crate coco 0.3.4 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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 13 packages to latest compatible versions [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding scopeguard v0.3.3 (latest: v1.2.0) [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-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] c1512cb2825fcfafd11ae4aa9fc0f9512cdcb9eec0eef47e87fbed661c8e2999 [INFO] running `Command { std: "docker" "start" "-a" "c1512cb2825fcfafd11ae4aa9fc0f9512cdcb9eec0eef47e87fbed661c8e2999", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c1512cb2825fcfafd11ae4aa9fc0f9512cdcb9eec0eef47e87fbed661c8e2999", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1512cb2825fcfafd11ae4aa9fc0f9512cdcb9eec0eef47e87fbed661c8e2999", kill_on_drop: false }` [INFO] [stdout] c1512cb2825fcfafd11ae4aa9fc0f9512cdcb9eec0eef47e87fbed661c8e2999 [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] e4ab573bc65c7bb4a41060a93a0c402a3b99c66a3337140ef442f41d2902dbc1 [INFO] running `Command { std: "docker" "start" "-a" "e4ab573bc65c7bb4a41060a93a0c402a3b99c66a3337140ef442f41d2902dbc1", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking coco v0.3.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `nightly` [INFO] [stdout] --> src/lib.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | #![cfg_attr(feature = "nightly", feature(const_fn))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `internals` and `strict_gc` [INFO] [stdout] = help: consider adding `nightly` 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: use of deprecated struct `epoch::garbage::Garbage`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/mod.rs:37:24 [INFO] [stdout] | [INFO] [stdout] 37 | pub use self::garbage::Garbage; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/epoch/garbage.rs:32:38 [INFO] [stdout] | [INFO] [stdout] 32 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/epoch/garbage.rs:51:33 [INFO] [stdout] | [INFO] [stdout] 51 | pub static EPOCH: AtomicUsize = ATOMIC_USIZE_INIT; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated constant [INFO] [stdout] | [INFO] [stdout] 51 | pub static EPOCH: AtomicUsize = AtomicUsize::new(0); [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `epoch::garbage::Garbage`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/garbage.rs:141:22 [INFO] [stdout] | [INFO] [stdout] 141 | unsafe impl Send for Garbage {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `epoch::garbage::Garbage`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/garbage.rs:142:22 [INFO] [stdout] | [INFO] [stdout] 142 | unsafe impl Sync for Garbage {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `epoch::garbage::Garbage`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/garbage.rs:144:6 [INFO] [stdout] | [INFO] [stdout] 144 | impl Garbage { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `epoch::garbage::Garbage`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/garbage.rs:368:15 [INFO] [stdout] | [INFO] [stdout] 368 | impl Drop for Garbage { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `epoch::garbage::Garbage`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/garbage.rs:403:21 [INFO] [stdout] | [INFO] [stdout] 403 | impl fmt::Debug for Garbage { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `epoch::garbage::Garbage`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/garbage.rs:410:25 [INFO] [stdout] | [INFO] [stdout] 410 | fn global() -> &'static Garbage { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `epoch::garbage::Garbage`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/garbage.rs:417:42 [INFO] [stdout] | [INFO] [stdout] 417 | let raw = Box::into_raw(Box::new(Garbage::new())); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `epoch::garbage::Garbage`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/garbage.rs:433:35 [INFO] [stdout] | [INFO] [stdout] 433 | unsafe { &*(garbage as *const Garbage) } [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/epoch/garbage.rs:411:34 [INFO] [stdout] | [INFO] [stdout] 411 | static GLOBAL: AtomicUsize = ATOMIC_USIZE_INIT; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated constant [INFO] [stdout] | [INFO] [stdout] 411 | static GLOBAL: AtomicUsize = AtomicUsize::new(0); [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/epoch/garbage.rs:71:34 [INFO] [stdout] | [INFO] [stdout] 71 | epoch: unsafe { mem::uninitialized() }, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `epoch::garbage::Garbage`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/garbage.rs:147:23 [INFO] [stdout] | [INFO] [stdout] 147 | let garbage = Garbage { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/epoch/thread.rs:20:38 [INFO] [stdout] | [INFO] [stdout] 20 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/epoch/thread.rs:179:40 [INFO] [stdout] | [INFO] [stdout] 179 | static PARTICIPANTS: AtomicUsize = ATOMIC_USIZE_INIT; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated constant [INFO] [stdout] | [INFO] [stdout] 179 | static PARTICIPANTS: AtomicUsize = AtomicUsize::new(0); [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated field `epoch::garbage::Garbage::head`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/garbage.rs:148:13 [INFO] [stdout] | [INFO] [stdout] 148 | head: Atomic::null(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated field `epoch::garbage::Garbage::tail`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/garbage.rs:149:13 [INFO] [stdout] | [INFO] [stdout] 149 | tail: Atomic::null(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated field `epoch::garbage::Garbage::pending`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/garbage.rs:150:13 [INFO] [stdout] | [INFO] [stdout] 150 | pending: Atomic::null(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated field `epoch::garbage::Garbage::head`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/garbage.rs:160:9 [INFO] [stdout] | [INFO] [stdout] 160 | garbage.head.store(sentinel, Relaxed); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated field `epoch::garbage::Garbage::tail`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/garbage.rs:161:9 [INFO] [stdout] | [INFO] [stdout] 161 | garbage.tail.store(sentinel, Relaxed); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated field `epoch::garbage::Garbage::pending`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/garbage.rs:173:15 [INFO] [stdout] | [INFO] [stdout] 173 | match self.pending.compare_and_swap_weak_owned(old, Owned::new(Bag::new()), AcqRel, scope) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated field `epoch::garbage::Garbage::pending`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/garbage.rs:240:27 [INFO] [stdout] | [INFO] [stdout] 240 | let mut pending = self.pending.load(Acquire, scope); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated field `epoch::garbage::Garbage::pending`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/garbage.rs:259:27 [INFO] [stdout] | [INFO] [stdout] 259 | let mut pending = self.pending.load(Acquire, scope); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated field `epoch::garbage::Garbage::tail`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/garbage.rs:311:24 [INFO] [stdout] | [INFO] [stdout] 311 | let mut tail = self.tail.load(Acquire, scope); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated field `epoch::garbage::Garbage::tail`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/garbage.rs:320:33 [INFO] [stdout] | [INFO] [stdout] 320 | let _ = self.tail.compare_and_swap(tail, b, AcqRel, scope); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated field `epoch::garbage::Garbage::tail`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/garbage.rs:330:23 [INFO] [stdout] | [INFO] [stdout] 330 | match self.tail.compare_and_swap_weak(tail, next, AcqRel, scope) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated field `epoch::garbage::Garbage::head`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/garbage.rs:344:24 [INFO] [stdout] | [INFO] [stdout] 344 | let mut head = self.head.load(Acquire, scope); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated field `epoch::garbage::Garbage::head`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/garbage.rs:352:27 [INFO] [stdout] | [INFO] [stdout] 352 | match self.head.compare_and_swap_weak(head, next, AcqRel, scope) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated field `epoch::garbage::Garbage::pending`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/garbage.rs:373:31 [INFO] [stdout] | [INFO] [stdout] 373 | let pending = self.pending.load(Relaxed, scope).as_raw(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated field `epoch::garbage::Garbage::head`: Use scope::defer_free and scope::defer_drop instead [INFO] [stdout] --> src/epoch/garbage.rs:380:32 [INFO] [stdout] | [INFO] [stdout] 380 | let mut head = self.head.load(Relaxed, scope).as_raw(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/epoch/garbage.rs:419:31 [INFO] [stdout] | [INFO] [stdout] 419 | let previous = GLOBAL.compare_and_swap(0, new, AcqRel); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/epoch/thread.rs:110:24 [INFO] [stdout] | [INFO] [stdout] 110 | self.state.compare_and_swap(previous, state, SeqCst); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/epoch/thread.rs:233:11 [INFO] [stdout] | [INFO] [stdout] 233 | EPOCH.compare_and_swap(epoch, epoch.wrapping_add(2), SeqCst); [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/deque.rs:200:20 [INFO] [stdout] | [INFO] [stdout] 191 | let new = Buffer::new(new_cap); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 200 | epoch::pin(|scope| { [INFO] [stdout] | ____________________^ [INFO] [stdout] 201 | | // Replace the old buffer with the new one. [INFO] [stdout] 202 | | let old = self.buffer.swap(Owned::new(new).into_ptr(scope), Release, scope); [INFO] [stdout] ... | [INFO] [stdout] 211 | | } [INFO] [stdout] 212 | | }) [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/epoch/atomic.rs:108:26 [INFO] [stdout] | [INFO] [stdout] 107 | pub fn new(value: T) -> Self { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 108 | Self::from_owned(Owned::new(value)) [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/epoch/atomic.rs:522:24 [INFO] [stdout] | [INFO] [stdout] 521 | pub fn new(value: T) -> Self { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 522 | Self::from_box(Box::new(value)) [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] warning: the type `[UnsafeCell<(unsafe fn(*mut u8, usize), *mut u8, usize)>; 64]` does not permit zero-initialization [INFO] [stdout] --> src/epoch/garbage.rs:70:31 [INFO] [stdout] | [INFO] [stdout] 70 | objects: unsafe { mem::zeroed() }, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: function pointers must be non-null [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `usize` does not permit being left uninitialized [INFO] [stdout] --> src/epoch/garbage.rs:71:29 [INFO] [stdout] | [INFO] [stdout] 71 | epoch: unsafe { mem::uninitialized() }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [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/epoch/thread.rs:380:18 [INFO] [stdout] | [INFO] [stdout] 373 | pub fn pin(f: F) -> T [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 380 | HARNESS.with(|harness| { [INFO] [stdout] | __________________^ [INFO] [stdout] 381 | | let thread = unsafe { &*harness.thread }; [INFO] [stdout] 382 | | let pin = &Scope { bag: &harness.bag }; [INFO] [stdout] ... | [INFO] [stdout] 410 | | f(pin) [INFO] [stdout] 411 | | }) [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/stack.rs:75:20 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn push(&self, value: T) { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 70 | let mut node = Owned::new(Node { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 75 | epoch::pin(|scope| { [INFO] [stdout] | ____________________^ [INFO] [stdout] 76 | | let mut head = self.head.load(Acquire, scope); [INFO] [stdout] 77 | | loop { [INFO] [stdout] 78 | | node.next.store(head, Relaxed); [INFO] [stdout] ... | [INFO] [stdout] 86 | | } [INFO] [stdout] 87 | | }) [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 5 previous errors; 37 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `coco` (lib) due to 6 previous errors; 37 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "e4ab573bc65c7bb4a41060a93a0c402a3b99c66a3337140ef442f41d2902dbc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4ab573bc65c7bb4a41060a93a0c402a3b99c66a3337140ef442f41d2902dbc1", kill_on_drop: false }` [INFO] [stdout] e4ab573bc65c7bb4a41060a93a0c402a3b99c66a3337140ef442f41d2902dbc1