[INFO] fetching crate fedimint-derive 0.4.2-rc.3... [INFO] checking fedimint-derive-0.4.2-rc.3 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate fedimint-derive 0.4.2-rc.3 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate fedimint-derive 0.4.2-rc.3 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 fedimint-derive 0.4.2-rc.3 [INFO] finished tweaking crates.io crate fedimint-derive 0.4.2-rc.3 [INFO] tweaked toml for crates.io crate fedimint-derive 0.4.2-rc.3 written to /workspace/builds/worker-0-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 7 packages to latest compatible versions [INFO] [stderr] Adding itertools v0.12.1 (latest: v0.13.0) [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 56d42a7c9b9e2bac7631638cb011266452d3962e70d91f5a1327bf8c902b741b [INFO] running `Command { std: "docker" "start" "-a" "56d42a7c9b9e2bac7631638cb011266452d3962e70d91f5a1327bf8c902b741b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "56d42a7c9b9e2bac7631638cb011266452d3962e70d91f5a1327bf8c902b741b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56d42a7c9b9e2bac7631638cb011266452d3962e70d91f5a1327bf8c902b741b", kill_on_drop: false }` [INFO] [stdout] 56d42a7c9b9e2bac7631638cb011266452d3962e70d91f5a1327bf8c902b741b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bf1a43c6923db775ff56c8408601ddcee73cc792138a77bc88f24d77ef8e597b [INFO] running `Command { std: "docker" "start" "-a" "bf1a43c6923db775ff56c8408601ddcee73cc792138a77bc88f24d77ef8e597b", kill_on_drop: false }` [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking syn v2.0.77 [INFO] [stderr] Checking itertools v0.12.1 [INFO] [stderr] Checking fedimint-derive v0.4.2-rc.3 (/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/lib.rs:88:26 [INFO] [stdout] | [INFO] [stdout] 88 | .map(|field| field.ident.clone().unwrap()) [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] [stderr] error: could not compile `fedimint-derive` (lib) due to 5 previous errors [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/lib.rs:122:5 [INFO] [stdout] | [INFO] [stdout] 121 | fn extract_variants_with_indices(input_variants: Vec) -> Vec<(Option, Variant)> { [INFO] [stdout] | ---------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 122 | / input_variants [INFO] [stdout] 123 | | .into_iter() [INFO] [stdout] 124 | | .map(|variant| { [INFO] [stdout] 125 | | let index = parse_index_attribute(&variant.attrs); [INFO] [stdout] 126 | | (index, variant) [INFO] [stdout] 127 | | }) [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] [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/lib.rs:193:38 [INFO] [stdout] | [INFO] [stdout] 193 | .map(|field| field.ident.clone().unwrap()) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:422:22 [INFO] [stdout] | [INFO] [stdout] 422 | .map(|field| field.ident.clone().unwrap()) [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 4 previous errors [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/lib.rs:88:26 [INFO] [stdout] | [INFO] [stdout] 88 | .map(|field| field.ident.clone().unwrap()) [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/lib.rs:122:5 [INFO] [stdout] | [INFO] [stdout] 121 | fn extract_variants_with_indices(input_variants: Vec) -> Vec<(Option, Variant)> { [INFO] [stdout] | ---------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 122 | / input_variants [INFO] [stdout] 123 | | .into_iter() [INFO] [stdout] 124 | | .map(|variant| { [INFO] [stdout] 125 | | let index = parse_index_attribute(&variant.attrs); [INFO] [stdout] 126 | | (index, variant) [INFO] [stdout] 127 | | }) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:193:38 [INFO] [stdout] | [INFO] [stdout] 193 | .map(|field| field.ident.clone().unwrap()) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:422:22 [INFO] [stdout] | [INFO] [stdout] 422 | .map(|field| field.ident.clone().unwrap()) [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 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fedimint-derive` (lib test) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "bf1a43c6923db775ff56c8408601ddcee73cc792138a77bc88f24d77ef8e597b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf1a43c6923db775ff56c8408601ddcee73cc792138a77bc88f24d77ef8e597b", kill_on_drop: false }` [INFO] [stdout] bf1a43c6923db775ff56c8408601ddcee73cc792138a77bc88f24d77ef8e597b