[INFO] fetching crate simple-lexer 0.1.0... [INFO] checking simple-lexer-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate simple-lexer 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate simple-lexer 0.1.0 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 simple-lexer 0.1.0 [INFO] finished tweaking crates.io crate simple-lexer 0.1.0 [INFO] tweaked toml for crates.io crate simple-lexer 0.1.0 written to /workspace/builds/worker-5-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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 21 packages to latest compatible versions [INFO] [stderr] Adding num v0.3.1 (latest: v0.4.3) [INFO] [stderr] Adding num-bigint v0.3.3 (latest: v0.4.6) [INFO] [stderr] Adding num-complex v0.3.1 (latest: v0.4.6) [INFO] [stderr] Adding num-rational v0.3.2 (latest: v0.4.2) [INFO] [stderr] Adding uuid v0.8.2 (latest: v1.10.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f8e0dfe73297db55f8f3b7d0cbea94e37bc82d3df368c2abe69a44bffdf94c67 [INFO] running `Command { std: "docker" "start" "-a" "f8e0dfe73297db55f8f3b7d0cbea94e37bc82d3df368c2abe69a44bffdf94c67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f8e0dfe73297db55f8f3b7d0cbea94e37bc82d3df368c2abe69a44bffdf94c67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8e0dfe73297db55f8f3b7d0cbea94e37bc82d3df368c2abe69a44bffdf94c67", kill_on_drop: false }` [INFO] [stdout] f8e0dfe73297db55f8f3b7d0cbea94e37bc82d3df368c2abe69a44bffdf94c67 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5ee61f72667a625d81256efa42164871db9af27d4134f0ba896c2ea9caddf7fe [INFO] running `Command { std: "docker" "start" "-a" "5ee61f72667a625d81256efa42164871db9af27d4134f0ba896c2ea9caddf7fe", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Checking segment-map v0.1.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking finite-automata v0.1.1 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling num-bigint v0.3.3 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking num v0.3.1 [INFO] [stderr] Checking regular-expression-bootstrap v0.1.0 [INFO] [stderr] Checking simple-lexer-bootstrap v0.1.0 [INFO] [stderr] Checking simple-parser-bootstrap v0.1.0 [INFO] [stderr] Checking regular-expression v0.1.0 [INFO] [stderr] Checking simple-lexer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lexer.rs:50:10 [INFO] [stdout] | [INFO] [stdout] 50 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lexer.rs:85:10 [INFO] [stdout] | [INFO] [stdout] 85 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lexer.rs:122:10 [INFO] [stdout] | [INFO] [stdout] 122 | }; [INFO] [stdout] | ^ help: remove this semicolon [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/lexer.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 22 | let lexer = LexerBootstrap::new(LEXER_PRODUCTIONS.clone()); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 23 | let parser = Parser::new(PARSER_PRODUCTIONS.clone(), Nonterminal::Root); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 26 | let productions = as_productions(&parse_tree)?; [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 27 | Ok(Lexer { lexer: LexerBootstrap::new(productions) }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will 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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `simple-lexer` (lib) due to 2 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/lexer.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 22 | let lexer = LexerBootstrap::new(LEXER_PRODUCTIONS.clone()); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 23 | let parser = Parser::new(PARSER_PRODUCTIONS.clone(), Nonterminal::Root); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 26 | let productions = as_productions(&parse_tree)?; [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 27 | Ok(Lexer { lexer: LexerBootstrap::new(productions) }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will 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: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `simple-lexer` (lib test) due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "5ee61f72667a625d81256efa42164871db9af27d4134f0ba896c2ea9caddf7fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ee61f72667a625d81256efa42164871db9af27d4134f0ba896c2ea9caddf7fe", kill_on_drop: false }` [INFO] [stdout] 5ee61f72667a625d81256efa42164871db9af27d4134f0ba896c2ea9caddf7fe