[INFO] fetching crate genetic-algorithm-fn 0.1.0... [INFO] checking genetic-algorithm-fn-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate genetic-algorithm-fn 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate genetic-algorithm-fn 0.1.0 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 genetic-algorithm-fn 0.1.0 [INFO] finished tweaking crates.io crate genetic-algorithm-fn 0.1.0 [INFO] tweaked toml for crates.io crate genetic-algorithm-fn 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate genetic-algorithm-fn 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 908b3dd4059e9e18cabf73a8df1186c6a1dd87c3955ac5a4368e1330b483981a [INFO] running `Command { std: "docker" "start" "-a" "908b3dd4059e9e18cabf73a8df1186c6a1dd87c3955ac5a4368e1330b483981a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "908b3dd4059e9e18cabf73a8df1186c6a1dd87c3955ac5a4368e1330b483981a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "908b3dd4059e9e18cabf73a8df1186c6a1dd87c3955ac5a4368e1330b483981a", kill_on_drop: false }` [INFO] [stdout] 908b3dd4059e9e18cabf73a8df1186c6a1dd87c3955ac5a4368e1330b483981a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0411dc80dd92fc405be0c879ae8b29985faabd26ac650784c5651c3b4779e4a9 [INFO] running `Command { std: "docker" "start" "-a" "0411dc80dd92fc405be0c879ae8b29985faabd26ac650784c5651c3b4779e4a9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking genetic-algorithm-traits v0.1.0 [INFO] [stderr] Checking getrandom v0.2.4 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking genetic-algorithm-fn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/solutions.rs:159:58 [INFO] [stdout] | [INFO] [stdout] 88 | impl<'a> Population<'a> for Solutions { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 159 | fn iter(&'a self) -> std::collections::hash_set::Iter { [INFO] [stdout] | ^ 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: unused import: `super::*` [INFO] [stdout] --> src/test_functions.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/test_functions.rs:25:1 [INFO] [stdout] | [INFO] [stdout] 25 | mod tests { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/test_functions.rs:28:13 [INFO] [stdout] | [INFO] [stdout] 28 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/test_functions.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | mod test_full_function { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/test_functions.rs:42:13 [INFO] [stdout] | [INFO] [stdout] 42 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/test_functions.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | mod test_inner_function { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: duplicated attribute [INFO] [stdout] --> src/solution.rs:456:13 [INFO] [stdout] | [INFO] [stdout] 456 | #[test] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(duplicate_macro_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: duplicated attribute [INFO] [stdout] --> src/solution.rs:457:13 [INFO] [stdout] | [INFO] [stdout] 457 | #[test] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: duplicated attribute [INFO] [stdout] --> src/solution.rs:458:13 [INFO] [stdout] | [INFO] [stdout] 458 | #[test] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: duplicated attribute [INFO] [stdout] --> src/solution.rs:459:13 [INFO] [stdout] | [INFO] [stdout] 459 | #[test] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: duplicated attribute [INFO] [stdout] --> src/solution.rs:460:13 [INFO] [stdout] | [INFO] [stdout] 460 | #[test] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/solutions.rs:159:58 [INFO] [stdout] | [INFO] [stdout] 88 | impl<'a> Population<'a> for Solutions { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 159 | fn iter(&'a self) -> std::collections::hash_set::Iter { [INFO] [stdout] | ^ 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] error: this value of type `Solutions` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/solutions.rs:184:13 [INFO] [stdout] | [INFO] [stdout] 183 | (0..n_generations).fold(initial_population, |pop, _| { [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 184 | pop.evolve(0.5) [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: this value of type `Solutions` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/solutions.rs:197:29 [INFO] [stdout] | [INFO] [stdout] 196 | .fold(this_population, |pop, _| { [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 197 | pop.evolve(0.5) [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] warning: function `triple_multiplication` is never used [INFO] [stdout] --> src/test_objects.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn triple_multiplication() -> fn(Vec) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `genetic-algorithm-fn` (lib) due to 3 previous errors; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `solutions::Solutions` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/solutions.rs:184:13 [INFO] [stdout] | [INFO] [stdout] 183 | (0..n_generations).fold(initial_population, |pop, _| { [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 184 | pop.evolve(0.5) [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: this value of type `solutions::Solutions` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/solutions.rs:197:29 [INFO] [stdout] | [INFO] [stdout] 196 | .fold(this_population, |pop, _| { [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 197 | pop.evolve(0.5) [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 2 previous errors; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `genetic-algorithm-fn` (lib test) due to 3 previous errors; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "0411dc80dd92fc405be0c879ae8b29985faabd26ac650784c5651c3b4779e4a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0411dc80dd92fc405be0c879ae8b29985faabd26ac650784c5651c3b4779e4a9", kill_on_drop: false }` [INFO] [stdout] 0411dc80dd92fc405be0c879ae8b29985faabd26ac650784c5651c3b4779e4a9