[INFO] fetching crate forward-traits 3.1.0... [INFO] checking forward-traits-3.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate forward-traits 3.1.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate forward-traits 3.1.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate forward-traits 3.1.0 [INFO] finished tweaking crates.io crate forward-traits 3.1.0 [INFO] tweaked toml for crates.io crate forward-traits 3.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate forward-traits 3.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9d7b0cf19b98c6d6501f743c747b3d0ea06424e8f09d35cdaf81425a95f4cb27 [INFO] running `Command { std: "docker" "start" "-a" "9d7b0cf19b98c6d6501f743c747b3d0ea06424e8f09d35cdaf81425a95f4cb27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9d7b0cf19b98c6d6501f743c747b3d0ea06424e8f09d35cdaf81425a95f4cb27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d7b0cf19b98c6d6501f743c747b3d0ea06424e8f09d35cdaf81425a95f4cb27", kill_on_drop: false }` [INFO] [stdout] 9d7b0cf19b98c6d6501f743c747b3d0ea06424e8f09d35cdaf81425a95f4cb27 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec32563def6ff199d743a6ed0af34998a412b29de29c013f7067812d99d103c5 [INFO] running `Command { std: "docker" "start" "-a" "ec32563def6ff199d743a6ed0af34998a412b29de29c013f7067812d99d103c5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.81 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking quote v1.0.36 [INFO] [stderr] Checking syn v2.0.60 [INFO] [stderr] Compiling syn_derive v0.1.8 [INFO] [stderr] Compiling forward-traits v3.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `std::option::Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/fold/type_transformer.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 22 | fn fold_type (&mut self, node: Type) -> Type [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 23 | { [INFO] [stdout] 24 | match (self . transformations) (&node) [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: this value of type `std::option::Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/fold/type_transformer.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 22 | fn fold_type (&mut self, node: Type) -> Type [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 23 | { [INFO] [stdout] 24 | match (self . transformations) (&node) [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: this value of type `std::option::Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/fold/type_transformer.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 22 | fn fold_type (&mut self, node: Type) -> Type [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 23 | { [INFO] [stdout] 24 | match (self . transformations) (&node) [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] warning: fields `box_token`, `l_angle_token`, and `r_angle_token` are never read [INFO] [stdout] --> src/syn/transformable_types.rs:28:6 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct BoxType [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 27 | { [INFO] [stdout] 28 | pub box_token: kw::Box, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 29 | pub l_angle_token: Token! [<], [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 30 | pub boxed_type: Type, [INFO] [stdout] 31 | pub r_angle_token: Token! [>] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `option_token`, `l_angle_token`, and `r_angle_token` are never read [INFO] [stdout] --> src/syn/transformable_types.rs:50:6 [INFO] [stdout] | [INFO] [stdout] 48 | pub struct OptionType [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 49 | { [INFO] [stdout] 50 | pub option_token: kw::Option, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 51 | pub l_angle_token: Token! [<], [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 52 | pub option_type: Type, [INFO] [stdout] 53 | pub r_angle_token: Token! [>] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `result_token`, `l_angle_token`, `comma_token`, `error_type`, and `r_angle_token` are never read [INFO] [stdout] --> src/syn/transformable_types.rs:72:6 [INFO] [stdout] | [INFO] [stdout] 70 | pub struct ResultType [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 71 | { [INFO] [stdout] 72 | pub result_token: kw::Result, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 73 | pub l_angle_token: Token! [<], [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 74 | pub result_type: Type, [INFO] [stdout] 75 | pub comma_token: Token! [,], [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 76 | pub error_type: Type, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 77 | pub r_angle_token: Token! [>] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `paren` is never read [INFO] [stdout] --> src/syn/transformable_types.rs:97:6 [INFO] [stdout] | [INFO] [stdout] 94 | pub struct TupleType [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 97 | pub paren: Paren, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `bracket`, `semi_token`, and `count` are never read [INFO] [stdout] --> src/syn/transformable_types.rs:116:6 [INFO] [stdout] | [INFO] [stdout] 113 | pub struct ArrayType [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 116 | pub bracket: Bracket, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 122 | pub semi_token: Token! [;], [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 125 | pub count: Expr [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `box_token`, `l_angle_token`, and `r_angle_token` are never read [INFO] [stdout] --> src/syn/transformable_types.rs:28:6 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct BoxType [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 27 | { [INFO] [stdout] 28 | pub box_token: kw::Box, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 29 | pub l_angle_token: Token! [<], [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 30 | pub boxed_type: Type, [INFO] [stdout] 31 | pub r_angle_token: Token! [>] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `option_token`, `l_angle_token`, and `r_angle_token` are never read [INFO] [stdout] --> src/syn/transformable_types.rs:50:6 [INFO] [stdout] | [INFO] [stdout] 48 | pub struct OptionType [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 49 | { [INFO] [stdout] 50 | pub option_token: kw::Option, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 51 | pub l_angle_token: Token! [<], [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 52 | pub option_type: Type, [INFO] [stdout] 53 | pub r_angle_token: Token! [>] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `result_token`, `l_angle_token`, `comma_token`, `error_type`, and `r_angle_token` are never read [INFO] [stdout] --> src/syn/transformable_types.rs:72:6 [INFO] [stdout] | [INFO] [stdout] 70 | pub struct ResultType [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 71 | { [INFO] [stdout] 72 | pub result_token: kw::Result, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 73 | pub l_angle_token: Token! [<], [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 74 | pub result_type: Type, [INFO] [stdout] 75 | pub comma_token: Token! [,], [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 76 | pub error_type: Type, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 77 | pub r_angle_token: Token! [>] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `paren` is never read [INFO] [stdout] --> src/syn/transformable_types.rs:97:6 [INFO] [stdout] | [INFO] [stdout] 94 | pub struct TupleType [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 97 | pub paren: Paren, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `bracket`, `semi_token`, and `count` are never read [INFO] [stdout] --> src/syn/transformable_types.rs:116:6 [INFO] [stdout] | [INFO] [stdout] 113 | pub struct ArrayType [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 116 | pub bracket: Bracket, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 122 | pub semi_token: Token! [;], [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 125 | pub count: Expr [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `forward-traits` (lib test) due to 2 previous errors; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `forward-traits` (lib) due to 2 previous errors; 5 warnings emitted [INFO] [stdout] warning: fields `box_token`, `l_angle_token`, and `r_angle_token` are never read [INFO] [stdout] --> src/syn/transformable_types.rs:28:6 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct BoxType [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 27 | { [INFO] [stdout] 28 | pub box_token: kw::Box, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 29 | pub l_angle_token: Token! [<], [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 30 | pub boxed_type: Type, [INFO] [stdout] 31 | pub r_angle_token: Token! [>] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `option_token`, `l_angle_token`, and `r_angle_token` are never read [INFO] [stdout] --> src/syn/transformable_types.rs:50:6 [INFO] [stdout] | [INFO] [stdout] 48 | pub struct OptionType [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 49 | { [INFO] [stdout] 50 | pub option_token: kw::Option, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 51 | pub l_angle_token: Token! [<], [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 52 | pub option_type: Type, [INFO] [stdout] 53 | pub r_angle_token: Token! [>] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `result_token`, `l_angle_token`, `comma_token`, `error_type`, and `r_angle_token` are never read [INFO] [stdout] --> src/syn/transformable_types.rs:72:6 [INFO] [stdout] | [INFO] [stdout] 70 | pub struct ResultType [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 71 | { [INFO] [stdout] 72 | pub result_token: kw::Result, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 73 | pub l_angle_token: Token! [<], [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 74 | pub result_type: Type, [INFO] [stdout] 75 | pub comma_token: Token! [,], [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 76 | pub error_type: Type, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 77 | pub r_angle_token: Token! [>] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `paren` is never read [INFO] [stdout] --> src/syn/transformable_types.rs:97:6 [INFO] [stdout] | [INFO] [stdout] 94 | pub struct TupleType [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 97 | pub paren: Paren, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `bracket`, `semi_token`, and `count` are never read [INFO] [stdout] --> src/syn/transformable_types.rs:116:6 [INFO] [stdout] | [INFO] [stdout] 113 | pub struct ArrayType [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 116 | pub bracket: Bracket, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 122 | pub semi_token: Token! [;], [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 125 | pub count: Expr [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `forward-traits` (lib) due to 2 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "ec32563def6ff199d743a6ed0af34998a412b29de29c013f7067812d99d103c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec32563def6ff199d743a6ed0af34998a412b29de29c013f7067812d99d103c5", kill_on_drop: false }` [INFO] [stdout] ec32563def6ff199d743a6ed0af34998a412b29de29c013f7067812d99d103c5