[INFO] fetching crate gc-arena 0.5.3... [INFO] checking gc-arena-0.5.3 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate gc-arena 0.5.3 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate gc-arena 0.5.3 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 gc-arena 0.5.3 [INFO] finished tweaking crates.io crate gc-arena 0.5.3 [INFO] tweaked toml for crates.io crate gc-arena 0.5.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate gc-arena 0.5.3 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6ca7709131720df0f2b9a8f5013abeda217755a4263b92448f1ec9f9628ea8f4 [INFO] running `Command { std: "docker" "start" "-a" "6ca7709131720df0f2b9a8f5013abeda217755a4263b92448f1ec9f9628ea8f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6ca7709131720df0f2b9a8f5013abeda217755a4263b92448f1ec9f9628ea8f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ca7709131720df0f2b9a8f5013abeda217755a4263b92448f1ec9f9628ea8f4", kill_on_drop: false }` [INFO] [stdout] 6ca7709131720df0f2b9a8f5013abeda217755a4263b92448f1ec9f9628ea8f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] fa45d8f1f2b3ad3b4492b939b483dea73c109b41f75110b8ccc3e2dc1363edbf [INFO] running `Command { std: "docker" "start" "-a" "fa45d8f1f2b3ad3b4492b939b483dea73c109b41f75110b8ccc3e2dc1363edbf", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.82 [INFO] [stderr] Compiling serde v1.0.201 [INFO] [stderr] Compiling libc v0.2.154 [INFO] [stderr] Compiling serde_json v1.0.117 [INFO] [stderr] Checking indexmap v2.2.6 [INFO] [stderr] Checking winnow v0.6.8 [INFO] [stderr] Compiling trybuild v1.0.96 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking sptr v0.3.2 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.63 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking serde_spanned v0.6.5 [INFO] [stderr] Checking toml_datetime v0.6.5 [INFO] [stderr] Checking toml_edit v0.22.12 [INFO] [stderr] Compiling synstructure v0.13.1 [INFO] [stderr] Compiling serde_derive v1.0.201 [INFO] [stderr] Compiling gc-arena-derive v0.5.3 [INFO] [stderr] Checking gc-arena v0.5.3 (/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/arena.rs:215:12 [INFO] [stdout] | [INFO] [stdout] 207 | self, [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 208 | f: impl for<'gc> FnOnce(&'gc Mutation<'gc>, Root<'gc, R>) -> Result, E>, [INFO] [stdout] | ------------------------------------------------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 211 | let new_root: Root<'static, R2> = unsafe { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 215 | Ok(Arena { [INFO] [stdout] | ____________^ [INFO] [stdout] 216 | | context: self.context, [INFO] [stdout] 217 | | root: new_root, [INFO] [stdout] 218 | | }) [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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/dynamic_roots.rs:66:21 [INFO] [stdout] | [INFO] [stdout] 56 | root: Root<'gc, R>, [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 57 | ) -> DynamicRoot { [INFO] [stdout] 58 | let handle = Rc::new(Handle { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 66 | handle: unsafe { [INFO] [stdout] | _____________________^ [INFO] [stdout] 67 | | mem::transmute::>>, Rc>>>(handle) [INFO] [stdout] 68 | | }, [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/lock.rs:44:30 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn new(t: T) -> $locked_type { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 44 | Self { cell: $unlocked_type::new(t) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 108 | / make_lock_wrapper!( [INFO] [stdout] 109 | | #[derive(Default)] [INFO] [stdout] 110 | | locked = Lock as GcLock; [INFO] [stdout] 111 | | unlocked = Cell unsafe as_cell; [INFO] [stdout] ... | [INFO] [stdout] 133 | | impl ?Sized {} [INFO] [stdout] 134 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: this error originates in the macro `make_lock_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info) [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/lock.rs:44:30 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn new(t: T) -> $locked_type { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 44 | Self { cell: $unlocked_type::new(t) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 217 | / make_lock_wrapper!( [INFO] [stdout] 218 | | #[derive(Clone, Default, Eq, PartialEq, Ord, PartialOrd)] [INFO] [stdout] 219 | | locked = RefLock as GcRefLock; [INFO] [stdout] 220 | | unlocked = RefCell unsafe as_ref_cell; [INFO] [stdout] ... | [INFO] [stdout] 239 | | } [INFO] [stdout] 240 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: this error originates in the macro `make_lock_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `gc-arena` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "fa45d8f1f2b3ad3b4492b939b483dea73c109b41f75110b8ccc3e2dc1363edbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa45d8f1f2b3ad3b4492b939b483dea73c109b41f75110b8ccc3e2dc1363edbf", kill_on_drop: false }` [INFO] [stdout] fa45d8f1f2b3ad3b4492b939b483dea73c109b41f75110b8ccc3e2dc1363edbf