[INFO] fetching crate pro_lang_ir 3.0.0-rc2... [INFO] checking pro_lang_ir-3.0.0-rc2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate pro_lang_ir 3.0.0-rc2 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate pro_lang_ir 3.0.0-rc2 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate pro_lang_ir 3.0.0-rc2 [INFO] finished tweaking crates.io crate pro_lang_ir 3.0.0-rc2 [INFO] tweaked toml for crates.io crate pro_lang_ir 3.0.0-rc2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 19 packages to latest compatible versions [INFO] [stderr] Adding blake2 v0.9.2 (available: v0.10.6) [INFO] [stderr] Adding crypto-mac v0.8.0 (available: v0.11.1) [INFO] [stderr] Adding digest v0.9.0 (available: v0.10.7) [INFO] [stderr] Adding generic-array v0.14.7 (available: v1.1.0) [INFO] [stderr] Adding itertools v0.10.5 (available: v0.13.0) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9a6e7d58c589465aa3723a643bb6b7cecb8b0a1336cc3318b3ee741dc4144f99 [INFO] running `Command { std: "docker" "start" "-a" "9a6e7d58c589465aa3723a643bb6b7cecb8b0a1336cc3318b3ee741dc4144f99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9a6e7d58c589465aa3723a643bb6b7cecb8b0a1336cc3318b3ee741dc4144f99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a6e7d58c589465aa3723a643bb6b7cecb8b0a1336cc3318b3ee741dc4144f99", kill_on_drop: false }` [INFO] [stdout] 9a6e7d58c589465aa3723a643bb6b7cecb8b0a1336cc3318b3ee741dc4144f99 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2c8ce89db30e19a19845a608acc0d7e901a2f3b7c52a02ad36bf16b74ab985f2 [INFO] running `Command { std: "docker" "start" "-a" "2c8ce89db30e19a19845a608acc0d7e901a2f3b7c52a02ad36bf16b74ab985f2", kill_on_drop: false }` [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking crypto-mac v0.8.0 [INFO] [stderr] Checking blake2 v0.9.2 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking pro_lang_ir v3.0.0-rc2 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `syn::Meta` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ir/attrs.rs:665:15 [INFO] [stdout] | [INFO] [stdout] 661 | fn try_from(attr: syn::Attribute) -> Result { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 665 | match attr.parse_meta().map_err(|_| { [INFO] [stdout] | _______________^ [INFO] [stdout] 666 | | format_err_spanned!(attr, "unexpected pro! attribute structure") [INFO] [stdout] 667 | | })? { [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 `pro_lang_ir` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `syn::Meta` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ir/attrs.rs:665:15 [INFO] [stdout] | [INFO] [stdout] 661 | fn try_from(attr: syn::Attribute) -> Result { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 665 | match attr.parse_meta().map_err(|_| { [INFO] [stdout] | _______________^ [INFO] [stdout] 666 | | format_err_spanned!(attr, "unexpected pro! attribute structure") [INFO] [stdout] 667 | | })? { [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 `std::vec::IntoIter<(bool, NamedField)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ir/item/event.rs:445:43 [INFO] [stdout] | [INFO] [stdout] 433 | let input = >::try_from(syn::parse_quote! { [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 445 | for (is_topic, expected_field) in expected_fields { [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 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pro_lang_ir` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "2c8ce89db30e19a19845a608acc0d7e901a2f3b7c52a02ad36bf16b74ab985f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c8ce89db30e19a19845a608acc0d7e901a2f3b7c52a02ad36bf16b74ab985f2", kill_on_drop: false }` [INFO] [stdout] 2c8ce89db30e19a19845a608acc0d7e901a2f3b7c52a02ad36bf16b74ab985f2