[INFO] fetching crate protobuf-parse2 4.0.0-alpha.4... [INFO] checking protobuf-parse2-4.0.0-alpha.4 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate protobuf-parse2 4.0.0-alpha.4 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate protobuf-parse2 4.0.0-alpha.4 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 protobuf-parse2 4.0.0-alpha.4 [INFO] finished tweaking crates.io crate protobuf-parse2 4.0.0-alpha.4 [INFO] tweaked toml for crates.io crate protobuf-parse2 4.0.0-alpha.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate protobuf-parse2 4.0.0-alpha.4 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c22bb309e3ee0ce3f8fd6c805546587cf6724d4ffd6358845f37995e46d3463e [INFO] running `Command { std: "docker" "start" "-a" "c22bb309e3ee0ce3f8fd6c805546587cf6724d4ffd6358845f37995e46d3463e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c22bb309e3ee0ce3f8fd6c805546587cf6724d4ffd6358845f37995e46d3463e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c22bb309e3ee0ce3f8fd6c805546587cf6724d4ffd6358845f37995e46d3463e", kill_on_drop: false }` [INFO] [stdout] c22bb309e3ee0ce3f8fd6c805546587cf6724d4ffd6358845f37995e46d3463e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6aa016bcef5403a0f416b7944868ad4426c2b06022a8ffc28117c57a9f473d41 [INFO] running `Command { std: "docker" "start" "-a" "6aa016bcef5403a0f416b7944868ad4426c2b06022a8ffc28117c57a9f473d41", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling anyhow v1.0.58 [INFO] [stderr] Compiling protobuf2 v4.0.0-alpha.2 [INFO] [stderr] Checking hashbrown v0.12.2 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking either v1.7.0 [INFO] [stderr] Checking fastrand v1.7.0 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Checking which v4.2.5 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking protobuf-support2 v4.0.0-alpha.2 [INFO] [stderr] Checking protobuf-parse2 v4.0.0-alpha.4 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/pure/model.rs:585:15 [INFO] [stdout] | [INFO] [stdout] 583 | pub fn parse>(file: S) -> Result { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 584 | let mut parser = Parser::new(file.as_ref()); [INFO] [stdout] 585 | match parser.next_proto() { [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: method `by_name_bool` is never used [INFO] [stdout] --> src/pure/convert/option_resolver.rs:173:8 [INFO] [stdout] | [INFO] [stdout] 170 | pub(crate) trait ProtobufOptions { [INFO] [stdout] | --------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 173 | fn by_name_bool(&self, name: &str) -> anyhow::Result> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `NotUtf8` is never constructed [INFO] [stdout] --> src/pure/parser.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 46 | pub(crate) enum ParserError { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 53 | NotUtf8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ParserError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `ToU8` is never used [INFO] [stdout] --> src/pure/parser.rs:115:7 [INFO] [stdout] | [INFO] [stdout] 115 | trait ToU8 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `ToChar` is never used [INFO] [stdout] --> src/pure/parser.rs:127:7 [INFO] [stdout] | [INFO] [stdout] 127 | trait ToChar { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RelPathBuf` is never constructed [INFO] [stdout] --> src/rel_path.rs:13:19 [INFO] [stdout] | [INFO] [stdout] 13 | pub(crate) struct RelPathBuf { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/rel_path.rs:18:19 [INFO] [stdout] | [INFO] [stdout] 17 | impl RelPath { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 18 | pub(crate) fn new(path: &Path) -> &RelPath { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/pure/model.rs:585:15 [INFO] [stdout] | [INFO] [stdout] 583 | pub fn parse>(file: S) -> Result { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 584 | let mut parser = Parser::new(file.as_ref()); [INFO] [stdout] 585 | match parser.next_proto() { [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: aborting due to 1 previous error; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `protobuf-parse2` (lib) due to 2 previous errors; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: method `by_name_bool` is never used [INFO] [stdout] --> src/pure/convert/option_resolver.rs:173:8 [INFO] [stdout] | [INFO] [stdout] 170 | pub(crate) trait ProtobufOptions { [INFO] [stdout] | --------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 173 | fn by_name_bool(&self, name: &str) -> anyhow::Result> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `NotUtf8` is never constructed [INFO] [stdout] --> src/pure/parser.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 46 | pub(crate) enum ParserError { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 53 | NotUtf8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ParserError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `ToU8` is never used [INFO] [stdout] --> src/pure/parser.rs:115:7 [INFO] [stdout] | [INFO] [stdout] 115 | trait ToU8 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `ToChar` is never used [INFO] [stdout] --> src/pure/parser.rs:127:7 [INFO] [stdout] | [INFO] [stdout] 127 | trait ToChar { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RelPathBuf` is never constructed [INFO] [stdout] --> src/rel_path.rs:13:19 [INFO] [stdout] | [INFO] [stdout] 13 | pub(crate) struct RelPathBuf { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/rel_path.rs:18:19 [INFO] [stdout] | [INFO] [stdout] 17 | impl RelPath { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 18 | pub(crate) fn new(path: &Path) -> &RelPath { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `protobuf-parse2` (lib test) due to 2 previous errors; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "6aa016bcef5403a0f416b7944868ad4426c2b06022a8ffc28117c57a9f473d41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6aa016bcef5403a0f416b7944868ad4426c2b06022a8ffc28117c57a9f473d41", kill_on_drop: false }` [INFO] [stdout] 6aa016bcef5403a0f416b7944868ad4426c2b06022a8ffc28117c57a9f473d41