[INFO] fetching crate tree-builder-macro 0.0.1... [INFO] checking tree-builder-macro-0.0.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate tree-builder-macro 0.0.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate tree-builder-macro 0.0.1 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 tree-builder-macro 0.0.1 [INFO] finished tweaking crates.io crate tree-builder-macro 0.0.1 [INFO] tweaked toml for crates.io crate tree-builder-macro 0.0.1 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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 11 packages to latest compatible versions [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] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e86aacdbe2bcb442c1bede3221331bd4f3fb0fe17a701a0b0c8b5c985aee7a32 [INFO] running `Command { std: "docker" "start" "-a" "e86aacdbe2bcb442c1bede3221331bd4f3fb0fe17a701a0b0c8b5c985aee7a32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e86aacdbe2bcb442c1bede3221331bd4f3fb0fe17a701a0b0c8b5c985aee7a32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e86aacdbe2bcb442c1bede3221331bd4f3fb0fe17a701a0b0c8b5c985aee7a32", kill_on_drop: false }` [INFO] [stdout] e86aacdbe2bcb442c1bede3221331bd4f3fb0fe17a701a0b0c8b5c985aee7a32 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5367e39c4a7cb7d94fcc4b942ec2c10dae98980986ca27f0039654e7b4345a1e [INFO] running `Command { std: "docker" "start" "-a" "5367e39c4a7cb7d94fcc4b942ec2c10dae98980986ca27f0039654e7b4345a1e", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking syn v2.0.79 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking tree-builder-macro v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ast_from_rule_no_alts` [INFO] [stdout] --> src/ast_builder/mod.rs:4:45 [INFO] [stdout] | [INFO] [stdout] 4 | pub use tuple_type_builder::{ast_from_rule, ast_from_rule_no_alts}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/parsing.rs:31:53 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn specification<'a>(input: &'a str) -> IResult<&str, Specification, VerboseError<&str>> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/parsing.rs:31:87 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn specification<'a>(input: &'a str) -> IResult<&str, Specification, VerboseError<&str>> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/parsing.rs:171:51 [INFO] [stdout] | [INFO] [stdout] 171 | pub fn struct_rule<'a>(input: &'a str) -> IResult<&str, StructRule, VerboseError<&str>> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/parsing.rs:171:82 [INFO] [stdout] | [INFO] [stdout] 171 | pub fn struct_rule<'a>(input: &'a str) -> IResult<&str, StructRule, VerboseError<&str>> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/parsing.rs:249:44 [INFO] [stdout] | [INFO] [stdout] 249 | pub fn rule<'a>(input: &'a str) -> IResult<&str, RuleKind, VerboseError<&str>> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/parsing.rs:249:73 [INFO] [stdout] | [INFO] [stdout] 249 | pub fn rule<'a>(input: &'a str) -> IResult<&str, RuleKind, VerboseError<&str>> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/parsing.rs:314:48 [INFO] [stdout] | [INFO] [stdout] 314 | pub fn rule<'a>(input: &'a str) -> IResult<&str, RegRule, VerboseError<&str>> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/parsing.rs:314:76 [INFO] [stdout] | [INFO] [stdout] 314 | pub fn rule<'a>(input: &'a str) -> IResult<&str, RegRule, VerboseError<&str>> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/parsing.rs:429:84 [INFO] [stdout] | [INFO] [stdout] 429 | pub fn terminal<'a>(input: &'a str) -> IResult<&'a str, Terminal, VerboseError<&str>> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::super::parsing::terminal::terminal` [INFO] [stdout] --> src/parser/parsing.rs:446:9 [INFO] [stdout] | [INFO] [stdout] 446 | use super::super::parsing::terminal::terminal; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::metacharacters::metacharacter` [INFO] [stdout] --> src/parser/parsing.rs:447:9 [INFO] [stdout] | [INFO] [stdout] 447 | use super::metacharacters::metacharacter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/parser/parsing.rs:448:9 [INFO] [stdout] | [INFO] [stdout] 448 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `parsing::regex::rule as reg_rule` [INFO] [stdout] --> src/parser/mod.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub use parsing::regex::rule as reg_rule; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ast_from_rule_no_alts` [INFO] [stdout] --> src/ast_builder/mod.rs:4:45 [INFO] [stdout] | [INFO] [stdout] 4 | pub use tuple_type_builder::{ast_from_rule, ast_from_rule_no_alts}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/parsing.rs:31:53 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn specification<'a>(input: &'a str) -> IResult<&str, Specification, VerboseError<&str>> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/parsing.rs:31:87 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn specification<'a>(input: &'a str) -> IResult<&str, Specification, VerboseError<&str>> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/parsing.rs:171:51 [INFO] [stdout] | [INFO] [stdout] 171 | pub fn struct_rule<'a>(input: &'a str) -> IResult<&str, StructRule, VerboseError<&str>> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/parsing.rs:171:82 [INFO] [stdout] | [INFO] [stdout] 171 | pub fn struct_rule<'a>(input: &'a str) -> IResult<&str, StructRule, VerboseError<&str>> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/parsing.rs:249:44 [INFO] [stdout] | [INFO] [stdout] 249 | pub fn rule<'a>(input: &'a str) -> IResult<&str, RuleKind, VerboseError<&str>> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/parsing.rs:249:73 [INFO] [stdout] | [INFO] [stdout] 249 | pub fn rule<'a>(input: &'a str) -> IResult<&str, RuleKind, VerboseError<&str>> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/parsing.rs:314:48 [INFO] [stdout] | [INFO] [stdout] 314 | pub fn rule<'a>(input: &'a str) -> IResult<&str, RegRule, VerboseError<&str>> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/parsing.rs:314:76 [INFO] [stdout] | [INFO] [stdout] 314 | pub fn rule<'a>(input: &'a str) -> IResult<&str, RegRule, VerboseError<&str>> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/parsing.rs:429:84 [INFO] [stdout] | [INFO] [stdout] 429 | pub fn terminal<'a>(input: &'a str) -> IResult<&'a str, Terminal, VerboseError<&str>> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `parsing::regex::rule as reg_rule` [INFO] [stdout] --> src/parser/mod.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub use parsing::regex::rule as reg_rule; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Vec` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ast_builder/parser_builder/mod.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | let closures: Vec = alts.iter_mut().enumerate().map(alternation).collect(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | let closures = quote! { [INFO] [stdout] | ________________________- [INFO] [stdout] 62 | | #(#closures) [INFO] [stdout] 63 | | * [INFO] [stdout] 64 | | }; [INFO] [stdout] | |_________- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 65 | / quote! { [INFO] [stdout] 66 | | #closures [INFO] [stdout] 67 | | let (input, result) = tree_builder::__private::nom::branch::alt((#(#names), *))(input)?; [INFO] [stdout] 68 | | } [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] | 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: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Vec` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ast_builder/parser_builder/mod.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | let closures: Vec = alts.iter_mut().enumerate().map(alternation).collect(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | let closures = quote! { [INFO] [stdout] | ________________________- [INFO] [stdout] 62 | | #(#closures) [INFO] [stdout] 63 | | * [INFO] [stdout] 64 | | }; [INFO] [stdout] | |_________- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 65 | / quote! { [INFO] [stdout] 66 | | #closures [INFO] [stdout] 67 | | let (input, result) = tree_builder::__private::nom::branch::alt((#(#names), *))(input)?; [INFO] [stdout] 68 | | } [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] | 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: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Parser` is never used [INFO] [stdout] --> src/lib.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | trait Parser { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `output` [INFO] [stdout] --> src/parser/parsing.rs:554:9 [INFO] [stdout] | [INFO] [stdout] 554 | let output = metacharacter(r#"[A-Za-z1-9]"#).unwrap().1; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tree-builder-macro` (lib) due to 2 previous errors; 12 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: trait `Parser` is never used [INFO] [stdout] --> src/lib.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | trait Parser { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tree-builder-macro` (lib test) due to 2 previous errors; 16 warnings emitted [INFO] running `Command { std: "docker" "inspect" "5367e39c4a7cb7d94fcc4b942ec2c10dae98980986ca27f0039654e7b4345a1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5367e39c4a7cb7d94fcc4b942ec2c10dae98980986ca27f0039654e7b4345a1e", kill_on_drop: false }` [INFO] [stdout] 5367e39c4a7cb7d94fcc4b942ec2c10dae98980986ca27f0039654e7b4345a1e