[INFO] fetching crate merkle-tree-bulletin-board 0.3.0... [INFO] checking merkle-tree-bulletin-board-0.3.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate merkle-tree-bulletin-board 0.3.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate merkle-tree-bulletin-board 0.3.0 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 merkle-tree-bulletin-board 0.3.0 [INFO] finished tweaking crates.io crate merkle-tree-bulletin-board 0.3.0 [INFO] tweaked toml for crates.io crate merkle-tree-bulletin-board 0.3.0 written to /workspace/builds/worker-3-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 36 packages to latest compatible versions [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.1.0) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding remove_dir_all v0.5.3 (latest: v0.8.3) [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3891675391a399fa95c57a88fdf2f740f2bada18ce7bb68e1faf55fd81f02d23 [INFO] running `Command { std: "docker" "start" "-a" "3891675391a399fa95c57a88fdf2f740f2bada18ce7bb68e1faf55fd81f02d23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3891675391a399fa95c57a88fdf2f740f2bada18ce7bb68e1faf55fd81f02d23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3891675391a399fa95c57a88fdf2f740f2bada18ce7bb68e1faf55fd81f02d23", kill_on_drop: false }` [INFO] [stdout] 3891675391a399fa95c57a88fdf2f740f2bada18ce7bb68e1faf55fd81f02d23 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e86aca48dec40d429a75ccd00c5f78599d1830c0c4e1ab409f8a00a87a8fab0d [INFO] running `Command { std: "docker" "start" "-a" "e86aca48dec40d429a75ccd00c5f78599d1830c0c4e1ab409f8a00a87a8fab0d", kill_on_drop: false }` [INFO] [stderr] Checking cpufeatures v0.2.13 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking serde v1.0.209 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking merkle-tree-bulletin-board v0.3.0 (/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/backend_flatfile.rs:197:44 [INFO] [stdout] | [INFO] [stdout] 196 | pub fn new(reader: R) -> TransactionIterator { [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 197 | TransactionIterator { csv_reader : ReaderBuilder::new().has_headers(false).flexible(true).from_reader(reader), record: StringReco... [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/backend_flatfile.rs:197:128 [INFO] [stdout] | [INFO] [stdout] 196 | ...ew(reader: R) -> TransactionIterator { [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 197 | ...sactionIterator { csv_reader : ReaderBuilder::new().has_headers(false).flexible(true).from_reader(reader), record: StringRecord::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: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `merkle-tree-bulletin-board` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/backend_flatfile.rs:197:44 [INFO] [stdout] | [INFO] [stdout] 196 | pub fn new(reader: R) -> TransactionIterator { [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 197 | TransactionIterator { csv_reader : ReaderBuilder::new().has_headers(false).flexible(true).from_reader(reader), record: StringReco... [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/backend_flatfile.rs:197:128 [INFO] [stdout] | [INFO] [stdout] 196 | ...ew(reader: R) -> TransactionIterator { [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 197 | ...sactionIterator { csv_reader : ReaderBuilder::new().has_headers(false).flexible(true).from_reader(reader), record: StringRecord::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: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `merkle-tree-bulletin-board` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "e86aca48dec40d429a75ccd00c5f78599d1830c0c4e1ab409f8a00a87a8fab0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e86aca48dec40d429a75ccd00c5f78599d1830c0c4e1ab409f8a00a87a8fab0d", kill_on_drop: false }` [INFO] [stdout] e86aca48dec40d429a75ccd00c5f78599d1830c0c4e1ab409f8a00a87a8fab0d