[INFO] fetching crate genetic-algorithm-fn 0.1.0... [INFO] checking genetic-algorithm-fn-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate genetic-algorithm-fn 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate genetic-algorithm-fn 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 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-7-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" "+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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 056cac1026766148cf649b614ac5eb9a1293d98c061ebc35f558ad788fcced48 [INFO] running `Command { std: "docker" "start" "-a" "056cac1026766148cf649b614ac5eb9a1293d98c061ebc35f558ad788fcced48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "056cac1026766148cf649b614ac5eb9a1293d98c061ebc35f558ad788fcced48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "056cac1026766148cf649b614ac5eb9a1293d98c061ebc35f558ad788fcced48", kill_on_drop: false }` [INFO] [stdout] 056cac1026766148cf649b614ac5eb9a1293d98c061ebc35f558ad788fcced48 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7e09f404a60511b1b1fa656695a897abc12c9ed8e065e4ff7c19781e3a91491d [INFO] running `Command { std: "docker" "start" "-a" "7e09f404a60511b1b1fa656695a897abc12c9ed8e065e4ff7c19781e3a91491d", 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: 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: 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: 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: 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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/solution.rs:140:59 [INFO] [stdout] | [INFO] [stdout] 140 | .map(|_| match get_random_elem_from_range(range.clone()) { [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/solutions.rs:184:13 [INFO] [stdout] | [INFO] [stdout] 183 | (0..n_generations).fold(initial_population, |pop, _| { [INFO] [stdout] | --- these values have significant drop implementation and will 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] [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/solutions.rs:205:17 [INFO] [stdout] | [INFO] [stdout] 190 | let mut result = Vec::new(); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 205 | / result [INFO] [stdout] 206 | | .into_iter() [INFO] [stdout] 207 | | .map(|thread| thread.join().unwrap()) [INFO] [stdout] 208 | | .flatten() [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/solutions.rs:195:21 [INFO] [stdout] | [INFO] [stdout] 193 | let this_population = initial_population.clone(); [INFO] [stdout] | --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 194 | result.push(s.spawn(move |_| -> Vec { [INFO] [stdout] 195 | / (0..((n_generations / n_jobs) + 1)) [INFO] [stdout] 196 | | .fold(this_population, |pop, _| { [INFO] [stdout] 197 | | pop.evolve(0.5) [INFO] [stdout] 198 | | .get_fittest_population(size_generation, function) [INFO] [stdout] 199 | | }) [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/solutions.rs:197:29 [INFO] [stdout] | [INFO] [stdout] 196 | .fold(this_population, |pop, _| { [INFO] [stdout] | --- these values have significant drop implementation and will 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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/solutions.rs:207:35 [INFO] [stdout] | [INFO] [stdout] 207 | .map(|thread| thread.join().unwrap()) [INFO] [stdout] | ------ ^^^^^^^^^^^^^ [INFO] [stdout] | | [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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors; 4 warnings emitted [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/solution.rs:140:59 [INFO] [stdout] | [INFO] [stdout] 140 | .map(|_| match get_random_elem_from_range(range.clone()) { [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/solutions.rs:184:13 [INFO] [stdout] | [INFO] [stdout] 183 | (0..n_generations).fold(initial_population, |pop, _| { [INFO] [stdout] | --- these values have significant drop implementation and will 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] [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/solutions.rs:205:17 [INFO] [stdout] | [INFO] [stdout] 190 | let mut result = Vec::new(); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 205 | / result [INFO] [stdout] 206 | | .into_iter() [INFO] [stdout] 207 | | .map(|thread| thread.join().unwrap()) [INFO] [stdout] 208 | | .flatten() [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/solutions.rs:195:21 [INFO] [stdout] | [INFO] [stdout] 193 | let this_population = initial_population.clone(); [INFO] [stdout] | --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 194 | result.push(s.spawn(move |_| -> Vec { [INFO] [stdout] 195 | / (0..((n_generations / n_jobs) + 1)) [INFO] [stdout] 196 | | .fold(this_population, |pop, _| { [INFO] [stdout] 197 | | pop.evolve(0.5) [INFO] [stdout] 198 | | .get_fittest_population(size_generation, function) [INFO] [stdout] 199 | | }) [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/solutions.rs:197:29 [INFO] [stdout] | [INFO] [stdout] 196 | .fold(this_population, |pop, _| { [INFO] [stdout] | --- these values have significant drop implementation and will 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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/solutions.rs:207:35 [INFO] [stdout] | [INFO] [stdout] 207 | .map(|thread| thread.join().unwrap()) [INFO] [stdout] | ------ ^^^^^^^^^^^^^ [INFO] [stdout] | | [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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `genetic-algorithm-fn` (lib) due to 7 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `genetic-algorithm-fn` (lib test) due to 7 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "7e09f404a60511b1b1fa656695a897abc12c9ed8e065e4ff7c19781e3a91491d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e09f404a60511b1b1fa656695a897abc12c9ed8e065e4ff7c19781e3a91491d", kill_on_drop: false }` [INFO] [stdout] 7e09f404a60511b1b1fa656695a897abc12c9ed8e065e4ff7c19781e3a91491d