[INFO] cloning repository https://github.com/GregoireLoens/GeneticAlgorithm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GregoireLoens/GeneticAlgorithm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGregoireLoens%2FGeneticAlgorithm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGregoireLoens%2FGeneticAlgorithm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7b26d886e591820ecdacd0898ab9d3b308aabeef [INFO] checking GregoireLoens/GeneticAlgorithm against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGregoireLoens%2FGeneticAlgorithm" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/GregoireLoens/GeneticAlgorithm on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/GregoireLoens/GeneticAlgorithm [INFO] finished tweaking git repo https://github.com/GregoireLoens/GeneticAlgorithm [INFO] tweaked toml for git repo https://github.com/GregoireLoens/GeneticAlgorithm written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/GregoireLoens/GeneticAlgorithm already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8a87ea90e71527c566737d53a833d01a5c7b2368d69f8ea9b2253697809cea26 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8a87ea90e71527c566737d53a833d01a5c7b2368d69f8ea9b2253697809cea26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8a87ea90e71527c566737d53a833d01a5c7b2368d69f8ea9b2253697809cea26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a87ea90e71527c566737d53a833d01a5c7b2368d69f8ea9b2253697809cea26", kill_on_drop: false }` [INFO] [stdout] 8a87ea90e71527c566737d53a833d01a5c7b2368d69f8ea9b2253697809cea26 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "-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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 54544d79cfe09734801c46a88fc8a6e1fa8fcfa5b254b450062e9173764ea847 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "54544d79cfe09734801c46a88fc8a6e1fa8fcfa5b254b450062e9173764ea847", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Checking tramp v0.3.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.3 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking GeneticAlgorithm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | for i in 0..parent.pop.len() / 2 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `best_child` is never read [INFO] [stdout] --> src/main.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let mut best_child = problem::data::IndiData::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `it` [INFO] [stdout] --> src/main.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | for it in 0..problem::data::MAXIT { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_it` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `new_data` [INFO] [stdout] --> src/main.rs:52:33 [INFO] [stdout] | [INFO] [stdout] 52 | let (mut new_parent,mut new_data, clone_tx) [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/problem/selection.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | for i in 0..nb_turn { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `win1` [INFO] [stdout] --> src/problem/selection.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let win1: usize; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_win1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `win2` [INFO] [stdout] --> src/problem/selection.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let win2: usize; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_win2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/problem/selection.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | for i in 0..t_size { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/problem/crossover.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | for i in 0..k { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/problem/mutation.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let mut index: usize; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:52:33 [INFO] [stdout] | [INFO] [stdout] 52 | let (mut new_parent,mut new_data, clone_tx) [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | for i in 0..parent.pop.len() / 2 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `best_child` is never read [INFO] [stdout] --> src/main.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let mut best_child = problem::data::IndiData::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `it` [INFO] [stdout] --> src/main.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | for it in 0..problem::data::MAXIT { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_it` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `new_data` [INFO] [stdout] --> src/main.rs:52:33 [INFO] [stdout] | [INFO] [stdout] 52 | let (mut new_parent,mut new_data, clone_tx) [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/problem/selection.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | for i in 0..nb_turn { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `win1` [INFO] [stdout] --> src/problem/selection.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let win1: usize; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_win1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `win2` [INFO] [stdout] --> src/problem/selection.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let win2: usize; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_win2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/problem/selection.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | for i in 0..t_size { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/problem/crossover.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | for i in 0..k { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/problem/mutation.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let mut index: usize; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:52:33 [INFO] [stdout] | [INFO] [stdout] 52 | let (mut new_parent,mut new_data, clone_tx) [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `GeneticAlgorithm` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `genetic_algorithm` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `GeneticAlgorithm` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `genetic_algorithm` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:56:17 [INFO] [stdout] | [INFO] [stdout] 56 | clone_tx.send(generate_child(&mut new_parent, &mut new_data)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:56:17 [INFO] [stdout] | [INFO] [stdout] 56 | clone_tx.send(generate_child(&mut new_parent, &mut new_data)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.75s [INFO] running `Command { std: "docker" "inspect" "54544d79cfe09734801c46a88fc8a6e1fa8fcfa5b254b450062e9173764ea847", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54544d79cfe09734801c46a88fc8a6e1fa8fcfa5b254b450062e9173764ea847", kill_on_drop: false }` [INFO] [stdout] 54544d79cfe09734801c46a88fc8a6e1fa8fcfa5b254b450062e9173764ea847