[INFO] fetching crate fuzzcheck_mutators_derive 0.12.0... [INFO] checking fuzzcheck_mutators_derive-0.12.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate fuzzcheck_mutators_derive 0.12.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate fuzzcheck_mutators_derive 0.12.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate fuzzcheck_mutators_derive 0.12.0 [INFO] finished tweaking crates.io crate fuzzcheck_mutators_derive 0.12.0 [INFO] tweaked toml for crates.io crate fuzzcheck_mutators_derive 0.12.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 4 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b97c67ad9d8a40557facd5196ca90c7b5e1cd14e0750c8d2a61c8d57715ec4c8 [INFO] running `Command { std: "docker" "start" "-a" "b97c67ad9d8a40557facd5196ca90c7b5e1cd14e0750c8d2a61c8d57715ec4c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b97c67ad9d8a40557facd5196ca90c7b5e1cd14e0750c8d2a61c8d57715ec4c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b97c67ad9d8a40557facd5196ca90c7b5e1cd14e0750c8d2a61c8d57715ec4c8", kill_on_drop: false }` [INFO] [stdout] b97c67ad9d8a40557facd5196ca90c7b5e1cd14e0750c8d2a61c8d57715ec4c8 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1521514412c533d166d569777a05db9d5d8e34c252709d89207bafa8d924af77 [INFO] running `Command { std: "docker" "start" "-a" "1521514412c533d166d569777a05db9d5d8e34c252709d89207bafa8d924af77", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking fuzzcheck_mutators_derive v0.12.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `token_builder::TokenBuilder` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/token_builder.rs:227:14 [INFO] [stdout] | [INFO] [stdout] 140 | let mut tb = $crate::token_builder::TokenBuilder::default(); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 227 | let mut tb = $crate::TokenBuilder::default(); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/single_variant.rs:134:9 [INFO] [stdout] | [INFO] [stdout] 134 | / ts!( [INFO] [stdout] 135 | | ident "::" variant.ident "{" [INFO] [stdout] 136 | | [INFO] [stdout] 137 | | join_ts!(variant.fields.iter().enumerate(), (i, field), [INFO] [stdout] | | --------------------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... | [INFO] [stdout] 141 | | "}" [INFO] [stdout] 142 | | ) [INFO] [stdout] | |_________- in this macro invocation [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] = note: this error originates in the macro `ts` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `token_builder::TokenBuilder` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/token_builder.rs:227:14 [INFO] [stdout] | [INFO] [stdout] 128 | let mut tb = $crate::token_builder::TokenBuilder::default(); [INFO] [stdout] | ------ [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 140 | let mut tb = $crate::token_builder::TokenBuilder::default(); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 227 | let mut tb = $crate::TokenBuilder::default(); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/structs_and_enums.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | let NameMutator = if let Some(name) = &settings.name { [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 91 | let mut NameMutator_generics = type_generics.clone(); [INFO] [stdout] | ------------------------ [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 103 | for tp in type_generics.type_params() { [INFO] [stdout] | --------------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 123 | let field_prescribed_mutators = field_mutators [INFO] [stdout] | ------------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 132 | let mut DefaultMutator_Mutator_generics = type_generics.clone(); [INFO] [stdout] | ----------------------------------- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 140 | let DefaultMutator_generic_args = ts!( [INFO] [stdout] | _________---------------------------___- [INFO] [stdout] | | | [INFO] [stdout] | | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 141 | | "<" [INFO] [stdout] 142 | | join_ts!(type_generics.params.iter(), p, [INFO] [stdout] | | --------------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 143 | | match p { [INFO] [stdout] ... | [INFO] [stdout] 159 | | ">" [INFO] [stdout] 160 | | ); [INFO] [stdout] | |_____- in this macro invocation [INFO] [stdout] 161 | [INFO] [stdout] 162 | for tp in type_generics.type_params() { [INFO] [stdout] | --------------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 177 | let NameMutatorCache = ident!(NameMutator "Cache"); [INFO] [stdout] | ---------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 178 | let NameMutatorMutationStep = ident!(NameMutator "MutationStep"); [INFO] [stdout] | ----------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 179 | let NameMutatorArbitraryStep = ident!(NameMutator "ArbitraryStep"); [INFO] [stdout] | ------------------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 180 | let NameMutatorUnmutateToken = ident!(NameMutator "UnmutateToken"); [INFO] [stdout] | ------------------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 222 | let selfty = ts!(type_ident q!(type_generics_split.1)); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 223 | [INFO] [stdout] 224 | let InnerMutator_as_Mutator = [INFO] [stdout] | ----------------------- these local bindings with significant drop implementation may 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: this error originates in the macro `ts` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `token_builder::TokenBuilder` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/token_builder.rs:227:14 [INFO] [stdout] | [INFO] [stdout] 140 | let mut tb = $crate::token_builder::TokenBuilder::default(); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 227 | let mut tb = $crate::TokenBuilder::default(); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/single_variant.rs:134:9 [INFO] [stdout] | [INFO] [stdout] 134 | / ts!( [INFO] [stdout] 135 | | ident "::" variant.ident "{" [INFO] [stdout] 136 | | [INFO] [stdout] 137 | | join_ts!(variant.fields.iter().enumerate(), (i, field), [INFO] [stdout] | | --------------------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... | [INFO] [stdout] 141 | | "}" [INFO] [stdout] 142 | | ) [INFO] [stdout] | |_________- in this macro invocation [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] = note: this error originates in the macro `ts` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `(proc_macro2::Delimiter, TokenStream2)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/token_builder.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn finish(mut self) -> TokenStream { [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 27 | self.groups.pop().unwrap().1 [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: this value of type `token_builder::TokenBuilder` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/token_builder.rs:227:14 [INFO] [stdout] | [INFO] [stdout] 128 | let mut tb = $crate::token_builder::TokenBuilder::default(); [INFO] [stdout] | ------ [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 140 | let mut tb = $crate::token_builder::TokenBuilder::default(); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 227 | let mut tb = $crate::TokenBuilder::default(); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/structs_and_enums.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | let NameMutator = if let Some(name) = &settings.name { [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 91 | let mut NameMutator_generics = type_generics.clone(); [INFO] [stdout] | ------------------------ [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 103 | for tp in type_generics.type_params() { [INFO] [stdout] | --------------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 123 | let field_prescribed_mutators = field_mutators [INFO] [stdout] | ------------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 132 | let mut DefaultMutator_Mutator_generics = type_generics.clone(); [INFO] [stdout] | ----------------------------------- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 140 | let DefaultMutator_generic_args = ts!( [INFO] [stdout] | _________---------------------------___- [INFO] [stdout] | | | [INFO] [stdout] | | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 141 | | "<" [INFO] [stdout] 142 | | join_ts!(type_generics.params.iter(), p, [INFO] [stdout] | | --------------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 143 | | match p { [INFO] [stdout] ... | [INFO] [stdout] 159 | | ">" [INFO] [stdout] 160 | | ); [INFO] [stdout] | |_____- in this macro invocation [INFO] [stdout] 161 | [INFO] [stdout] 162 | for tp in type_generics.type_params() { [INFO] [stdout] | --------------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 177 | let NameMutatorCache = ident!(NameMutator "Cache"); [INFO] [stdout] | ---------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 178 | let NameMutatorMutationStep = ident!(NameMutator "MutationStep"); [INFO] [stdout] | ----------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 179 | let NameMutatorArbitraryStep = ident!(NameMutator "ArbitraryStep"); [INFO] [stdout] | ------------------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 180 | let NameMutatorUnmutateToken = ident!(NameMutator "UnmutateToken"); [INFO] [stdout] | ------------------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 222 | let selfty = ts!(type_ident q!(type_generics_split.1)); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 223 | [INFO] [stdout] 224 | let InnerMutator_as_Mutator = [INFO] [stdout] | ----------------------- these local bindings with significant drop implementation may 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: this error originates in the macro `ts` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `(proc_macro2::Delimiter, TokenStream2)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/token_builder.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn finish(mut self) -> TokenStream { [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 27 | self.groups.pop().unwrap().1 [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 `fuzzcheck_mutators_derive` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fuzzcheck_mutators_derive` (lib test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "1521514412c533d166d569777a05db9d5d8e34c252709d89207bafa8d924af77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1521514412c533d166d569777a05db9d5d8e34c252709d89207bafa8d924af77", kill_on_drop: false }` [INFO] [stdout] 1521514412c533d166d569777a05db9d5d8e34c252709d89207bafa8d924af77