[INFO] fetching crate subxt-metadata 0.37.0... [INFO] checking subxt-metadata-0.37.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate subxt-metadata 0.37.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate subxt-metadata 0.37.0 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 subxt-metadata 0.37.0 [INFO] finished tweaking crates.io crate subxt-metadata 0.37.0 [INFO] tweaked toml for crates.io crate subxt-metadata 0.37.0 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 119 packages to latest compatible versions [INFO] [stderr] Adding anes v0.1.6 (available: v0.2.0) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding clap v3.2.25 (available: v4.5.18) [INFO] [stderr] Adding clap_lex v0.2.4 (available: v0.7.2) [INFO] [stderr] Adding criterion v0.4.0 (available: v0.5.1) [INFO] [stderr] Adding derive_more v0.99.18 (available: v1.0.0) [INFO] [stderr] Adding generic-array v0.14.7 (available: v1.1.0) [INFO] [stderr] Adding hashbrown v0.12.3 (available: v0.14.5) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.5.0) [INFO] [stderr] Adding itertools v0.10.5 (available: v0.13.0) [INFO] [stderr] Adding os_str_bytes v6.6.1 (available: v7.0.0) [INFO] [stderr] Adding radium v0.7.0 (available: v1.1.0) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding wyz v0.5.1 (available: v0.6.1) [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] [stderr] Blocking waiting for file lock on package cache [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] 1fb980a759a9a787a45744e5899412f242871d2187b037ef8ae9c12407ba8dc7 [INFO] running `Command { std: "docker" "start" "-a" "1fb980a759a9a787a45744e5899412f242871d2187b037ef8ae9c12407ba8dc7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1fb980a759a9a787a45744e5899412f242871d2187b037ef8ae9c12407ba8dc7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fb980a759a9a787a45744e5899412f242871d2187b037ef8ae9c12407ba8dc7", kill_on_drop: false }` [INFO] [stdout] 1fb980a759a9a787a45744e5899412f242871d2187b037ef8ae9c12407ba8dc7 [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] af57804c97814c8fbe3364d305d240adcce7106c7931a443058fd5bcc8f6085a [INFO] running `Command { std: "docker" "start" "-a" "af57804c97814c8fbe3364d305d240adcce7106c7931a443058fd5bcc8f6085a", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling radium v0.7.0 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Checking funty v2.0.0 [INFO] [stderr] Checking byte-slice-cast v1.2.2 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking half v2.4.1 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking wyz v0.5.1 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking os_str_bytes v6.6.1 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking blake2b_simd v1.0.2 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Checking textwrap v0.16.1 [INFO] [stderr] Checking allocator-api2 v0.2.18 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking ahash v0.8.11 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking oorandom v11.1.4 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking bitvec v1.0.1 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking sha3 v0.10.8 [INFO] [stderr] Checking twox-hash v1.6.3 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking sp-crypto-hashing v0.1.0 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling derive_more v0.99.18 [INFO] [stderr] Compiling impl-trait-for-tuples v0.2.2 [INFO] [stderr] Compiling parity-scale-codec-derive v3.6.12 [INFO] [stderr] Compiling scale-info-derive v2.11.3 [INFO] [stderr] Checking parity-scale-codec v3.6.12 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking scale-info v2.11.3 [INFO] [stderr] Checking criterion v0.4.0 [INFO] [stderr] Checking frame-metadata v16.0.0 [INFO] [stderr] Checking subxt-metadata v0.37.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `impl ExactSizeIterator + Iterator>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/utils/retain.rs:307:23 [INFO] [stdout] | [INFO] [stdout] 304 | let metadata_cache = load_metadata(); [INFO] [stdout] | -------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 307 | for pallet in metadata_cache.pallets() { [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 `impl ExactSizeIterator + Iterator>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/utils/retain.rs:344:28 [INFO] [stdout] | [INFO] [stdout] 341 | let metadata_cache = load_metadata(); [INFO] [stdout] | -------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 344 | for runtime_api in metadata_cache.runtime_api_traits() { [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 `subxt-metadata` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "af57804c97814c8fbe3364d305d240adcce7106c7931a443058fd5bcc8f6085a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af57804c97814c8fbe3364d305d240adcce7106c7931a443058fd5bcc8f6085a", kill_on_drop: false }` [INFO] [stdout] af57804c97814c8fbe3364d305d240adcce7106c7931a443058fd5bcc8f6085a