[INFO] fetching crate exmex 0.20.3... [INFO] checking exmex-0.20.3 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate exmex 0.20.3 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate exmex 0.20.3 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 exmex 0.20.3 [INFO] finished tweaking crates.io crate exmex 0.20.3 [INFO] tweaked toml for crates.io crate exmex 0.20.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate exmex 0.20.3 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" "+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] 31f98d3956e25bfbf53a3e332624d0ef07beb3a2efe4a6aed2918756aae1ff1a [INFO] running `Command { std: "docker" "start" "-a" "31f98d3956e25bfbf53a3e332624d0ef07beb3a2efe4a6aed2918756aae1ff1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "31f98d3956e25bfbf53a3e332624d0ef07beb3a2efe4a6aed2918756aae1ff1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31f98d3956e25bfbf53a3e332624d0ef07beb3a2efe4a6aed2918756aae1ff1a", kill_on_drop: false }` [INFO] [stdout] 31f98d3956e25bfbf53a3e332624d0ef07beb3a2efe4a6aed2918756aae1ff1a [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] f115551026b1839ccfb5a0e270d9cd8effb576a4a007d410027e315e10340f09 [INFO] running `Command { std: "docker" "start" "-a" "f115551026b1839ccfb5a0e270d9cd8effb576a4a007d410027e315e10340f09", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling serde v1.0.204 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling serde_json v1.0.120 [INFO] [stderr] Checking anstyle v1.0.8 [INFO] [stderr] Checking clap_lex v0.7.2 [INFO] [stderr] Checking equivalent v1.0.1 [INFO] [stderr] Checking plotters-backend v0.3.6 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking half v2.4.1 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking regex v1.10.5 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking plotters-svg v0.3.6 [INFO] [stderr] Checking winnow v0.6.16 [INFO] [stderr] Checking clap_builder v4.5.11 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking oorandom v11.1.4 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking fasteval v0.2.4 [INFO] [stderr] Checking evalexpr v11.3.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Checking indexmap v2.2.6 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling syn v2.0.72 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking plotters v0.3.6 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking is-terminal v0.4.12 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking clap v4.5.11 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking num v0.4.3 [INFO] [stderr] Checking exmex v0.20.3 (/opt/rustwide/workdir) [INFO] [stderr] Compiling serde_derive v1.0.204 [INFO] [stderr] Checking serde_spanned v0.6.7 [INFO] [stderr] Checking toml_datetime v0.6.7 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking serde_test v1.0.176 [INFO] [stderr] Checking toml_edit v0.22.17 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stderr] Checking toml v0.8.16 [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> benches/benchmark.rs:82:36 [INFO] [stdout] | [INFO] [stdout] 82 | fn exmex_bench_flatex_val_parseval(c: &mut Criterion) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> benches/benchmark.rs:152:26 [INFO] [stdout] | [INFO] [stdout] 152 | fn exmex_bench_parse_val(c: &mut Criterion) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> benches/benchmark.rs:216:25 [INFO] [stdout] | [INFO] [stdout] 216 | fn exmex_bench_eval_val(c: &mut Criterion) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> benches/benchmark.rs:380:24 [INFO] [stdout] | [INFO] [stdout] 380 | fn exmex_bench_partial(c: &mut Criterion) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Zip, smallvec::IntoIter<[usize; 16]>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/core.rs:823:23 [INFO] [stdout] | [INFO] [stdout] 819 | let expr = FlatEx::::parse(s).unwrap(); [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 823 | for (a, b) in reference.iter().zip(vars_ordered) { [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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `exmex` (test "core") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "f115551026b1839ccfb5a0e270d9cd8effb576a4a007d410027e315e10340f09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f115551026b1839ccfb5a0e270d9cd8effb576a4a007d410027e315e10340f09", kill_on_drop: false }` [INFO] [stdout] f115551026b1839ccfb5a0e270d9cd8effb576a4a007d410027e315e10340f09