[INFO] fetching crate loro-delta 0.16.10... [INFO] checking loro-delta-0.16.10 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate loro-delta 0.16.10 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate loro-delta 0.16.10 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 loro-delta 0.16.10 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate loro-delta 0.16.10 [INFO] tweaked toml for crates.io crate loro-delta 0.16.10 written to /workspace/builds/worker-7-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 130 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding anes v0.1.6 (latest: v0.2.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding clap v3.2.25 (latest: v4.5.16) [INFO] [stderr] Adding clap_lex v0.2.4 (latest: v0.7.2) [INFO] [stderr] Adding criterion v0.4.0 (latest: v0.5.1) [INFO] [stderr] Adding enum-as-inner v0.5.1 (latest: v0.6.0) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding hash32 v0.2.1 (latest: v0.3.1) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.5) [INFO] [stderr] Adding heapless v0.7.17 (latest: v0.8.0) [INFO] [stderr] Adding heck v0.4.1 (latest: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.4.0) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.5.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.13.0) [INFO] [stderr] Adding itertools v0.11.0 (latest: v0.13.0) [INFO] [stderr] Adding miniz_oxide v0.7.4 (latest: v0.8.0) [INFO] [stderr] Adding nu-ansi-term v0.46.0 (latest: v0.50.1) [INFO] [stderr] Adding os_str_bytes v6.6.1 (latest: v7.0.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c59cd777730352f29febd67ad065845a91c7aa849c7fe637c046750ad143a3c4 [INFO] running `Command { std: "docker" "start" "-a" "c59cd777730352f29febd67ad065845a91c7aa849c7fe637c046750ad143a3c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c59cd777730352f29febd67ad065845a91c7aa849c7fe637c046750ad143a3c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c59cd777730352f29febd67ad065845a91c7aa849c7fe637c046750ad143a3c4", kill_on_drop: false }` [INFO] [stdout] c59cd777730352f29febd67ad065845a91c7aa849c7fe637c046750ad143a3c4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6727f37a45c625d698b4e07fb58c8156d632c7d8192e88961277f11448c02f92 [INFO] running `Command { std: "docker" "start" "-a" "6727f37a45c625d698b4e07fb58c8156d632c7d8192e88961277f11448c02f92", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Compiling backtrace v0.3.73 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Checking os_str_bytes v6.6.1 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Compiling heapless v0.8.0 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking gimli v0.29.0 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Checking miniz_oxide v0.7.4 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling heapless v0.7.17 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking object v0.36.4 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking itertools v0.11.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking hash32 v0.3.1 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking loro-thunderdome v0.6.2 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking arref v0.1.0 [INFO] [stderr] Checking rustc-demangle v0.1.24 [INFO] [stderr] Checking textwrap v0.16.1 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking arrayvec v0.7.6 [INFO] [stderr] Checking generic-btree v0.10.5 [INFO] [stderr] Checking addr2line v0.22.0 [INFO] [stderr] Compiling enum-as-inner v0.5.1 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling ctor v0.2.8 [INFO] [stderr] Checking color-backtrace v0.6.1 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking loro-delta v0.16.10 (/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/array_vec.rs:42:28 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn from_many(mut iter: impl Iterator) -> impl Iterator { [INFO] [stdout] | --------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 41 | let mut new = Self::new(); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 42 | std::iter::from_fn(move || { [INFO] [stdout] | ____________________________^ [INFO] [stdout] 43 | | let mut v = iter.next(); [INFO] [stdout] 44 | | while let Some(iv) = v { [INFO] [stdout] 45 | | if new.vec.push(iv).is_err() { [INFO] [stdout] ... | [INFO] [stdout] 60 | | Some(std::mem::take(&mut new)) [INFO] [stdout] 61 | | }) [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/array_vec.rs:60:18 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn from_many(mut iter: impl Iterator) -> impl Iterator { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 41 | let mut new = Self::new(); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 42 | std::iter::from_fn(move || { [INFO] [stdout] 43 | let mut v = iter.next(); [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 60 | Some(std::mem::take(&mut 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/array_vec.rs:79:23 [INFO] [stdout] | [INFO] [stdout] 77 | ArrayVec::from_many(iter).map(|x| crate::DeltaItem::Replace { [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 78 | value: x, [INFO] [stdout] 79 | attr: Default::default(), [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/delta_item.rs:291:15 [INFO] [stdout] | [INFO] [stdout] 287 | fn try_insert(&mut self, pos: usize, elem: Self) -> Result<(), Self> [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 291 | match (self, elem) { [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/delta_rope.rs:277:38 [INFO] [stdout] | [INFO] [stdout] 277 | ... .map(|x| x.into_retain().unwrap().1) [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/text_delta.rs:28:23 [INFO] [stdout] | [INFO] [stdout] 28 | attr: Default::default(), [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/utf16.rs:111:15 [INFO] [stdout] | [INFO] [stdout] 106 | fn try_insert(&mut self, pos: usize, elem: Self) -> Result<(), Self> [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 111 | match self.s.try_insert(start, elem.s) { [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 `loro-delta` (lib) due to 8 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "6727f37a45c625d698b4e07fb58c8156d632c7d8192e88961277f11448c02f92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6727f37a45c625d698b4e07fb58c8156d632c7d8192e88961277f11448c02f92", kill_on_drop: false }` [INFO] [stdout] 6727f37a45c625d698b4e07fb58c8156d632c7d8192e88961277f11448c02f92