[INFO] fetching crate konst_proc_macros 0.3.0... [INFO] checking konst_proc_macros-0.3.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate konst_proc_macros 0.3.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate konst_proc_macros 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 konst_proc_macros 0.3.0 [INFO] finished tweaking crates.io crate konst_proc_macros 0.3.0 [INFO] tweaked toml for crates.io crate konst_proc_macros 0.3.0 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b2b10a1d72e17c1a8a1adef65f60bbf4265161872ed0fa72747b4c43de81ba31 [INFO] running `Command { std: "docker" "start" "-a" "b2b10a1d72e17c1a8a1adef65f60bbf4265161872ed0fa72747b4c43de81ba31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b2b10a1d72e17c1a8a1adef65f60bbf4265161872ed0fa72747b4c43de81ba31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2b10a1d72e17c1a8a1adef65f60bbf4265161872ed0fa72747b4c43de81ba31", kill_on_drop: false }` [INFO] [stdout] b2b10a1d72e17c1a8a1adef65f60bbf4265161872ed0fa72747b4c43de81ba31 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 710d234718d5c10ca28496cfd569f1ab83746c01089038d890d5a5ec8a84126a [INFO] running `Command { std: "docker" "start" "-a" "710d234718d5c10ca28496cfd569f1ab83746c01089038d890d5a5ec8a84126a", kill_on_drop: false }` [INFO] [stderr] Checking konst_proc_macros v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `proc_macro2_` [INFO] [stdout] --> src/lib.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | #[cfg(not(feature = "proc_macro2_"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `proc_macro2_` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `proc_macro2_` [INFO] [stdout] --> src/lib.rs:10:7 [INFO] [stdout] | [INFO] [stdout] 10 | #[cfg(feature = "proc_macro2_")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `proc_macro2_` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `proc_macro2_` [INFO] [stdout] --> src/lib.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | #[cfg(not(feature = "proc_macro2_"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `proc_macro2_` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `proc_macro2_` [INFO] [stdout] --> src/lib.rs:10:7 [INFO] [stdout] | [INFO] [stdout] 10 | #[cfg(feature = "proc_macro2_")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `proc_macro2_` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `TokenTreeExt` is never used [INFO] [stdout] --> src/utils.rs:97:18 [INFO] [stdout] | [INFO] [stdout] 97 | pub(crate) trait TokenTreeExt: Sized { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `into_token_stream` and `set_span_recursive` are never used [INFO] [stdout] --> src/utils.rs:121:8 [INFO] [stdout] | [INFO] [stdout] 120 | pub trait TokenStreamExt: Sized { [INFO] [stdout] | -------------- methods in this trait [INFO] [stdout] 121 | fn into_token_stream(self) -> TokenStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 122 | [INFO] [stdout] 123 | fn set_span_recursive(self, span: Span) -> TokenStream { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [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:27:5 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn __priv_bstr_start(input_tokens: proc_macro::TokenStream) -> proc_macro::TokenStream { [INFO] [stdout] | ------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 27 | bstr_pattern(input_tokens.into(), StrAt::Start).into() [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:33:5 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn __priv_bstr_end(input_tokens: proc_macro::TokenStream) -> proc_macro::TokenStream { [INFO] [stdout] | ------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 33 | bstr_pattern(input_tokens.into(), StrAt::End).into() [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/utils.rs:87:23 [INFO] [stdout] | [INFO] [stdout] 86 | let msg = TokenTree::from(msg); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 87 | ts.extend(iter::once(msg)) [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/utils.rs:124:9 [INFO] [stdout] | [INFO] [stdout] 123 | fn set_span_recursive(self, span: Span) -> TokenStream { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 124 | / self.into_token_stream() [INFO] [stdout] 125 | | .into_iter() [INFO] [stdout] 126 | | .map(|tt| tt.set_span_recursive(span)) [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; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `konst_proc_macros` (lib) due to 5 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: trait `TokenTreeExt` is never used [INFO] [stdout] --> src/utils.rs:97:18 [INFO] [stdout] | [INFO] [stdout] 97 | pub(crate) trait TokenTreeExt: Sized { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `into_token_stream` and `set_span_recursive` are never used [INFO] [stdout] --> src/utils.rs:121:8 [INFO] [stdout] | [INFO] [stdout] 120 | pub trait TokenStreamExt: Sized { [INFO] [stdout] | -------------- methods in this trait [INFO] [stdout] 121 | fn into_token_stream(self) -> TokenStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 122 | [INFO] [stdout] 123 | fn set_span_recursive(self, span: Span) -> TokenStream { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [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:27:5 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn __priv_bstr_start(input_tokens: proc_macro::TokenStream) -> proc_macro::TokenStream { [INFO] [stdout] | ------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 27 | bstr_pattern(input_tokens.into(), StrAt::Start).into() [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:33:5 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn __priv_bstr_end(input_tokens: proc_macro::TokenStream) -> proc_macro::TokenStream { [INFO] [stdout] | ------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 33 | bstr_pattern(input_tokens.into(), StrAt::End).into() [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/utils.rs:87:23 [INFO] [stdout] | [INFO] [stdout] 86 | let msg = TokenTree::from(msg); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 87 | ts.extend(iter::once(msg)) [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/utils.rs:124:9 [INFO] [stdout] | [INFO] [stdout] 123 | fn set_span_recursive(self, span: Span) -> TokenStream { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 124 | / self.into_token_stream() [INFO] [stdout] 125 | | .into_iter() [INFO] [stdout] 126 | | .map(|tt| tt.set_span_recursive(span)) [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; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `konst_proc_macros` (lib test) due to 5 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "710d234718d5c10ca28496cfd569f1ab83746c01089038d890d5a5ec8a84126a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "710d234718d5c10ca28496cfd569f1ab83746c01089038d890d5a5ec8a84126a", kill_on_drop: false }` [INFO] [stdout] 710d234718d5c10ca28496cfd569f1ab83746c01089038d890d5a5ec8a84126a