[INFO] fetching crate metaslang_cst 0.17.0... [INFO] checking metaslang_cst-0.17.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate metaslang_cst 0.17.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate metaslang_cst 0.17.0 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 metaslang_cst 0.17.0 [INFO] finished tweaking crates.io crate metaslang_cst 0.17.0 [INFO] tweaked toml for crates.io crate metaslang_cst 0.17.0 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 12 packages to latest compatible versions [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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5c7107c106fac3af4a980a4fb587142fb0d8f06831b012f7def41ee727cc1c62 [INFO] running `Command { std: "docker" "start" "-a" "5c7107c106fac3af4a980a4fb587142fb0d8f06831b012f7def41ee727cc1c62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5c7107c106fac3af4a980a4fb587142fb0d8f06831b012f7def41ee727cc1c62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c7107c106fac3af4a980a4fb587142fb0d8f06831b012f7def41ee727cc1c62", kill_on_drop: false }` [INFO] [stdout] 5c7107c106fac3af4a980a4fb587142fb0d8f06831b012f7def41ee727cc1c62 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 89b15c4e6a291973257ee7ae2b7d5c5e1ba4424119e5cb3a835ce8a655f6597b [INFO] running `Command { std: "docker" "start" "-a" "89b15c4e6a291973257ee7ae2b7d5c5e1ba4424119e5cb3a835ce8a655f6597b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Compiling thiserror v1.0.63 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Checking metaslang_cst v0.17.0 (/opt/rustwide/workdir) [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/query/parser.rs:340:5 [INFO] [stdout] | [INFO] [stdout] 338 | let identifier_head = satisfy(|c| c.is_alphabetic()); [INFO] [stdout] | --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 339 | let is_identifier_tail = |c: char| c == '_' || c.is_alphanumeric(); [INFO] [stdout] 340 | / recognize(alt(( [INFO] [stdout] 341 | | // single underscore is the anonymous syntax item, [INFO] [stdout] 342 | | // so we don't allow it as an identifier [INFO] [stdout] 343 | | char('_').and(take_while1(is_identifier_tail)), [INFO] [stdout] 344 | | identifier_head.and(take_while(is_identifier_tail)), [INFO] [stdout] 345 | | ))) [INFO] [stdout] 346 | | .map(|s: &str| s.to_string()) [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/query/parser.rs:464:5 [INFO] [stdout] | [INFO] [stdout] 420 | let escaped_char = preceded( [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 454 | let swallowed_whitespace = value( [INFO] [stdout] | -------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 459 | let unescaped_sequence = [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 462 | let fragment = alt((unescaped_sequence, escaped_char, swallowed_whitespace)); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 463 | [INFO] [stdout] 464 | / delimited( [INFO] [stdout] 465 | | char('"'), [INFO] [stdout] 466 | | fold_many0(fragment, String::new, |mut string, fragment| { [INFO] [stdout] 467 | | match fragment { [INFO] [stdout] ... | [INFO] [stdout] 474 | | char('"'), [INFO] [stdout] 475 | | ) [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/query/parser.rs:501:15 [INFO] [stdout] | [INFO] [stdout] 493 | mut parser: F, [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 499 | move |input: I| { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 500 | let i = input.clone(); [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 501 | match parser.parse(i) { [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 `metaslang_cst` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/query/parser.rs:340:5 [INFO] [stdout] | [INFO] [stdout] 338 | let identifier_head = satisfy(|c| c.is_alphabetic()); [INFO] [stdout] | --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 339 | let is_identifier_tail = |c: char| c == '_' || c.is_alphanumeric(); [INFO] [stdout] 340 | / recognize(alt(( [INFO] [stdout] 341 | | // single underscore is the anonymous syntax item, [INFO] [stdout] 342 | | // so we don't allow it as an identifier [INFO] [stdout] 343 | | char('_').and(take_while1(is_identifier_tail)), [INFO] [stdout] 344 | | identifier_head.and(take_while(is_identifier_tail)), [INFO] [stdout] 345 | | ))) [INFO] [stdout] 346 | | .map(|s: &str| s.to_string()) [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/query/parser.rs:464:5 [INFO] [stdout] | [INFO] [stdout] 420 | let escaped_char = preceded( [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 454 | let swallowed_whitespace = value( [INFO] [stdout] | -------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 459 | let unescaped_sequence = [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 462 | let fragment = alt((unescaped_sequence, escaped_char, swallowed_whitespace)); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 463 | [INFO] [stdout] 464 | / delimited( [INFO] [stdout] 465 | | char('"'), [INFO] [stdout] 466 | | fold_many0(fragment, String::new, |mut string, fragment| { [INFO] [stdout] 467 | | match fragment { [INFO] [stdout] ... | [INFO] [stdout] 474 | | char('"'), [INFO] [stdout] 475 | | ) [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/query/parser.rs:501:15 [INFO] [stdout] | [INFO] [stdout] 493 | mut parser: F, [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 499 | move |input: I| { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 500 | let i = input.clone(); [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 501 | match parser.parse(i) { [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 `metaslang_cst` (lib test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "89b15c4e6a291973257ee7ae2b7d5c5e1ba4424119e5cb3a835ce8a655f6597b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89b15c4e6a291973257ee7ae2b7d5c5e1ba4424119e5cb3a835ce8a655f6597b", kill_on_drop: false }` [INFO] [stdout] 89b15c4e6a291973257ee7ae2b7d5c5e1ba4424119e5cb3a835ce8a655f6597b