[INFO] cloning repository https://github.com/EdenOttleyHodgson/sml [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EdenOttleyHodgson/sml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdenOttleyHodgson%2Fsml", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdenOttleyHodgson%2Fsml'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 74bf888ae344aa4c05238da50f30adec8fe0c6db [INFO] checking EdenOttleyHodgson/sml/74bf888ae344aa4c05238da50f30adec8fe0c6db against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdenOttleyHodgson%2Fsml" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/EdenOttleyHodgson/sml 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 git repo https://github.com/EdenOttleyHodgson/sml [INFO] finished tweaking git repo https://github.com/EdenOttleyHodgson/sml [INFO] tweaked toml for git repo https://github.com/EdenOttleyHodgson/sml written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/EdenOttleyHodgson/sml 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 23d7b554c855d21f446bff59265acf7b4aca1875841c4a6fc67f266303386d0f [INFO] running `Command { std: "docker" "start" "-a" "23d7b554c855d21f446bff59265acf7b4aca1875841c4a6fc67f266303386d0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "23d7b554c855d21f446bff59265acf7b4aca1875841c4a6fc67f266303386d0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23d7b554c855d21f446bff59265acf7b4aca1875841c4a6fc67f266303386d0f", kill_on_drop: false }` [INFO] [stdout] 23d7b554c855d21f446bff59265acf7b4aca1875841c4a6fc67f266303386d0f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f3129cbd11f3f22c1d7a58b1834ed1496440ed783701209b977e9d93f84ac752 [INFO] running `Command { std: "docker" "start" "-a" "f3129cbd11f3f22c1d7a58b1834ed1496440ed783701209b977e9d93f84ac752", kill_on_drop: false }` [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling lalr v0.0.2 [INFO] [stderr] Compiling syn v2.0.74 [INFO] [stderr] Compiling bit-set v0.5.3 [INFO] [stderr] Compiling redfa v0.0.3 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Compiling plex v0.3.1 [INFO] [stderr] Checking thiserror v1.0.63 [INFO] [stderr] Checking sml v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::env::args` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::env::args; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env::args` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::env::args; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rc::Rc` [INFO] [stdout] --> src/lexer_parser/lexer.rs:205:26 [INFO] [stdout] | [INFO] [stdout] 205 | use std::{iter::zip, rc::Rc}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Function` and `Array` are never constructed [INFO] [stdout] --> src/lexer_parser/mod.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum SMLType { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 12 | Function(Arc<[FunctionParam]>), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 13 | Array(Box), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SMLType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Function` and `Array` are never constructed [INFO] [stdout] --> src/lexer_parser/mod.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum SMLType { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 12 | Function(Arc<[FunctionParam]>), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 13 | Array(Box), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SMLType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `with_error_behaviour` is never used [INFO] [stdout] --> src/lexer_parser/lexer.rs:132:12 [INFO] [stdout] | [INFO] [stdout] 108 | impl<'a> Lexer<'a> { [INFO] [stdout] | ------------------ associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 132 | pub fn with_error_behaviour( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `hi` is never read [INFO] [stdout] --> src/lexer_parser/lexer.rs:147:9 [INFO] [stdout] | [INFO] [stdout] 145 | pub struct Span { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 146 | pub lo: usize, [INFO] [stdout] 147 | pub hi: usize, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Span` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `hi` is never read [INFO] [stdout] --> src/lexer_parser/lexer.rs:147:9 [INFO] [stdout] | [INFO] [stdout] 145 | pub struct Span { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 146 | pub lo: usize, [INFO] [stdout] 147 | pub hi: usize, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Span` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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_parser/lexer.rs:140:23 [INFO] [stdout] | [INFO] [stdout] 134 | on_error: impl Fn(&mut Lexer, LexicalError, Span) -> bool + 'static, [INFO] [stdout] | ------------------------------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 140 | on_error: Box::new(on_error), [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/lexer_parser/lexer.rs:140:23 [INFO] [stdout] | [INFO] [stdout] 134 | on_error: impl Fn(&mut Lexer, LexicalError, Span) -> bool + 'static, [INFO] [stdout] | ------------------------------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 140 | on_error: Box::new(on_error), [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; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `sml` (bin "sml" test) due to 2 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `sml` (bin "sml") due to 2 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "f3129cbd11f3f22c1d7a58b1834ed1496440ed783701209b977e9d93f84ac752", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3129cbd11f3f22c1d7a58b1834ed1496440ed783701209b977e9d93f84ac752", kill_on_drop: false }` [INFO] [stdout] f3129cbd11f3f22c1d7a58b1834ed1496440ed783701209b977e9d93f84ac752