[INFO] cloning repository https://github.com/LokiVKlokeNaAndoke/genetic_mazes_graphical
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LokiVKlokeNaAndoke/genetic_mazes_graphical" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLokiVKlokeNaAndoke%2Fgenetic_mazes_graphical", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d784597198c0e8f73d69685d346457d47fa1960
[INFO] checking LokiVKlokeNaAndoke/genetic_mazes_graphical/8d784597198c0e8f73d69685d346457d47fa1960 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%2FLokiVKlokeNaAndoke%2Fgenetic_mazes_graphical" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LokiVKlokeNaAndoke/genetic_mazes_graphical on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452
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[INFO] started tweaking git repo https://github.com/LokiVKlokeNaAndoke/genetic_mazes_graphical
[INFO] finished tweaking git repo https://github.com/LokiVKlokeNaAndoke/genetic_mazes_graphical
[INFO] tweaked toml for git repo https://github.com/LokiVKlokeNaAndoke/genetic_mazes_graphical written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LokiVKlokeNaAndoke/genetic_mazes_graphical 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 }`
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[INFO] [stderr]     Checking genetic_mazes_lib v0.1.0 (/opt/rustwide/workdir/genetic_mazes_lib)
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[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> genetic_mazes_lib/src/genetic.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arr2`
[INFO] [stdout]  --> genetic_mazes_lib/src/maze.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ndarray::{arr2, Array2};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SliceRandom`
[INFO] [stdout]  --> genetic_mazes_lib/src/genetic.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::seq::{IteratorRandom, SliceRandom};
[INFO] [stdout]   |                                 ^^^^^^^^^^^
[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]   --> genetic_mazes_lib/src/genetic.rs:43:25
[INFO] [stdout]    |
[INFO] [stdout] 35 |           evaluator: E,
[INFO] [stdout]    |           ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 43 |               population: {
[INFO] [stdout]    |  _________________________^
[INFO] [stdout] 44 | |                 let mut v = Vec::new();
[INFO] [stdout] 45 | |                 for _ in 0..pop_size {
[INFO] [stdout] 46 | |                     v.push(solution_prototype.clone())
[INFO] [stdout] 47 | |                 }
[INFO] [stdout] 48 | |                 v
[INFO] [stdout] 49 | |             },
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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 `genetic_mazes_lib` (lib) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
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