[INFO] fetching crate ion-rs 1.0.0-rc.7... [INFO] checking ion-rs-1.0.0-rc.7 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate ion-rs 1.0.0-rc.7 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate ion-rs 1.0.0-rc.7 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ion-rs 1.0.0-rc.7 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate ion-rs 1.0.0-rc.7 [INFO] tweaked toml for crates.io crate ion-rs 1.0.0-rc.7 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate ion-rs 1.0.0-rc.7 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 70b44886a6964ae86e455d0d17dae6c51c0f4f311139a97b814e08d09268aff3 [INFO] running `Command { std: "docker" "start" "-a" "70b44886a6964ae86e455d0d17dae6c51c0f4f311139a97b814e08d09268aff3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "70b44886a6964ae86e455d0d17dae6c51c0f4f311139a97b814e08d09268aff3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70b44886a6964ae86e455d0d17dae6c51c0f4f311139a97b814e08d09268aff3", kill_on_drop: false }` [INFO] [stdout] 70b44886a6964ae86e455d0d17dae6c51c0f4f311139a97b814e08d09268aff3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a5801a97ad3d81ab57355375c9156dc31299c1b0cadd0038c67981dbfdf37e56 [INFO] running `Command { std: "docker" "start" "-a" "a5801a97ad3d81ab57355375c9156dc31299c1b0cadd0038c67981dbfdf37e56", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.85 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling memchr v2.7.2 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling regex-syntax v0.8.3 [INFO] [stderr] Compiling serde_json v1.0.117 [INFO] [stderr] Checking either v1.12.0 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking half v2.4.1 [INFO] [stderr] Checking clap_lex v0.7.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling rstest_macros v0.19.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking anstyle v1.0.7 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking plotters-backend v0.3.6 [INFO] [stderr] Compiling thiserror v1.0.61 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Checking plotters-svg v0.3.6 [INFO] [stderr] Checking clap_builder v4.5.2 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling rstest_reuse v0.6.0 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling relative-path v1.9.3 [INFO] [stderr] Checking iana-time-zone v0.1.60 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking rustix v0.38.34 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking clap v4.5.4 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking plotters v0.3.6 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking is-terminal v0.4.12 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking rustc-hash v2.0.0 [INFO] [stderr] Checking futures-timer v3.0.3 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Checking bumpalo v3.16.0 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking ice_code v0.1.4 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Compiling serde_derive v1.0.203 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling thiserror-impl v1.0.61 [INFO] [stderr] Compiling delegate v0.12.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling test-generator v0.3.1 [INFO] [stderr] Checking ion-rs v1.0.0-rc.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/lazy/any_encoding.rs:466:10 [INFO] [stdout] | [INFO] [stdout] 461 | impl<'data> RawReaderKind<'data> { [INFO] [stdout] | ----- lifetime `'data` declared here [INFO] [stdout] ... [INFO] [stdout] 466 | ) -> RawReaderKind { [INFO] [stdout] | ^^^^^^^^^^^^^ this elided lifetime gets resolved as `'data` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/lazy/binary/raw/v1_1/struct.rs:254:21 [INFO] [stdout] | [INFO] [stdout] 161 | impl<'top> RawBinaryStructIterator_1_1<'top> { [INFO] [stdout] | ---- lifetime `'top` declared here [INFO] [stdout] ... [INFO] [stdout] 254 | ) -> ParseResult, StructMode)>> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'top` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking serde v1.0.203 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking rstest v0.19.0 [INFO] [stdout] error: this value of type `Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lazy/encoder/binary/v1_0/container_writers.rs:82:15 [INFO] [stdout] | [INFO] [stdout] 81 | pub fn end(mut self) -> IonResult<()> { [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 82 | match self.annotations.take() { [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: this value of type `MacroTable` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lazy/expanded/compiler.rs:150:43 [INFO] [stdout] | [INFO] [stdout] 147 | let mut reader = Reader::new(v1_1::Text, expression.as_bytes())?; [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 150 | Self::compile_from_sexp(context, &MacroTable::default(), macro_def_sexp) [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: this value of type `Option, IonError>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lazy/value.rs:330:12 [INFO] [stdout] | [INFO] [stdout] 319 | mut self, [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 330 | Ok(self.next().is_none()) [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 3 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ion-rs` (lib) due to 4 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a5801a97ad3d81ab57355375c9156dc31299c1b0cadd0038c67981dbfdf37e56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5801a97ad3d81ab57355375c9156dc31299c1b0cadd0038c67981dbfdf37e56", kill_on_drop: false }` [INFO] [stdout] a5801a97ad3d81ab57355375c9156dc31299c1b0cadd0038c67981dbfdf37e56