[INFO] fetching crate mwbot_derive 0.7.0-rc.2... [INFO] checking mwbot_derive-0.7.0-rc.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate mwbot_derive 0.7.0-rc.2 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate mwbot_derive 0.7.0-rc.2 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 mwbot_derive 0.7.0-rc.2 [INFO] finished tweaking crates.io crate mwbot_derive 0.7.0-rc.2 [INFO] tweaked toml for crates.io crate mwbot_derive 0.7.0-rc.2 written to /workspace/builds/worker-2-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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 5 packages to latest compatible versions [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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f9e010d688490ee1f8b0c1fb4b0238aeb8cba862741aab876c222bcf9d9ddd86 [INFO] running `Command { std: "docker" "start" "-a" "f9e010d688490ee1f8b0c1fb4b0238aeb8cba862741aab876c222bcf9d9ddd86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f9e010d688490ee1f8b0c1fb4b0238aeb8cba862741aab876c222bcf9d9ddd86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9e010d688490ee1f8b0c1fb4b0238aeb8cba862741aab876c222bcf9d9ddd86", kill_on_drop: false }` [INFO] [stdout] f9e010d688490ee1f8b0c1fb4b0238aeb8cba862741aab876c222bcf9d9ddd86 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 80ee2d999d658b769a908b55c93a27dfa82323f9b7f37a1ca41d4c52a940ae60 [INFO] running `Command { std: "docker" "start" "-a" "80ee2d999d658b769a908b55c93a27dfa82323f9b7f37a1ca41d4c52a940ae60", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking syn v2.0.77 [INFO] [stderr] Checking mwbot_derive v0.7.0-rc.2 (/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:391:5 [INFO] [stdout] | [INFO] [stdout] 386 | let string = match get_lit_str(ident, meta)? { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 387 | Some(string) => string, [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 391 | string.parse().map(Some) [INFO] [stdout] | ^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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:403:5 [INFO] [stdout] | [INFO] [stdout] 398 | let string = match get_lit_str(ident, meta)? { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 399 | Some(string) => string, [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 403 | string.parse().map(Some) [INFO] [stdout] | ^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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:450:8 [INFO] [stdout] | [INFO] [stdout] 415 | let mut crate_: Option = None; [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 416 | let mut return_type: Option = None; [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 417 | let mut response_type: Option = None; [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 418 | let mut transform_fn: Option = None; [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 448 | let crate_ = crate_.unwrap_or_else(|| syn::parse_quote!(crate)); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 449 | let exports: Path = syn::parse_quote!(#crate_::generators::__exports); [INFO] [stdout] | ------- ------------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 450 | Ok(GeneratorOption { [INFO] [stdout] | ________^ [INFO] [stdout] 451 | | exports: exports.clone(), [INFO] [stdout] 452 | | return_type: return_type [INFO] [stdout] 453 | | .unwrap_or_else(|| syn::parse_quote!(#exports::Page)), [INFO] [stdout] ... | [INFO] [stdout] 458 | | wrap_in_vec: wrap_in_vec.unwrap_or_else(|| syn::parse_quote!(false)), [INFO] [stdout] 459 | | }) [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 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mwbot_derive` (lib test) due to 4 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/lib.rs:391:5 [INFO] [stdout] | [INFO] [stdout] 386 | let string = match get_lit_str(ident, meta)? { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 387 | Some(string) => string, [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 391 | string.parse().map(Some) [INFO] [stdout] | ^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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:403:5 [INFO] [stdout] | [INFO] [stdout] 398 | let string = match get_lit_str(ident, meta)? { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 399 | Some(string) => string, [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 403 | string.parse().map(Some) [INFO] [stdout] | ^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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:450:8 [INFO] [stdout] | [INFO] [stdout] 415 | let mut crate_: Option = None; [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 416 | let mut return_type: Option = None; [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 417 | let mut response_type: Option = None; [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 418 | let mut transform_fn: Option = None; [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 448 | let crate_ = crate_.unwrap_or_else(|| syn::parse_quote!(crate)); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 449 | let exports: Path = syn::parse_quote!(#crate_::generators::__exports); [INFO] [stdout] | ------- ------------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 450 | Ok(GeneratorOption { [INFO] [stdout] | ________^ [INFO] [stdout] 451 | | exports: exports.clone(), [INFO] [stdout] 452 | | return_type: return_type [INFO] [stdout] 453 | | .unwrap_or_else(|| syn::parse_quote!(#exports::Page)), [INFO] [stdout] ... | [INFO] [stdout] 458 | | wrap_in_vec: wrap_in_vec.unwrap_or_else(|| syn::parse_quote!(false)), [INFO] [stdout] 459 | | }) [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 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mwbot_derive` (lib) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "80ee2d999d658b769a908b55c93a27dfa82323f9b7f37a1ca41d4c52a940ae60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80ee2d999d658b769a908b55c93a27dfa82323f9b7f37a1ca41d4c52a940ae60", kill_on_drop: false }` [INFO] [stdout] 80ee2d999d658b769a908b55c93a27dfa82323f9b7f37a1ca41d4c52a940ae60