[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] testing GregoireLoens/GeneticAlgorithm against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGregoireLoens%2FGeneticAlgorithm" "/workspace/builds/worker-68/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-68/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GregoireLoens/GeneticAlgorithm on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-68/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" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5372fd9068b6e80e9183ea8fd32fa51f6e080fae4add25d5db5bfd40b1dd83d6
[INFO] running `Command { std: "docker" "start" "-a" "5372fd9068b6e80e9183ea8fd32fa51f6e080fae4add25d5db5bfd40b1dd83d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5372fd9068b6e80e9183ea8fd32fa51f6e080fae4add25d5db5bfd40b1dd83d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5372fd9068b6e80e9183ea8fd32fa51f6e080fae4add25d5db5bfd40b1dd83d6", kill_on_drop: false }`
[INFO] [stdout] 5372fd9068b6e80e9183ea8fd32fa51f6e080fae4add25d5db5bfd40b1dd83d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0edbd166867e013b57f9b315b07b7e08212ce0260c173d4f7a74c40d4070e32
[INFO] running `Command { std: "docker" "start" "-a" "b0edbd166867e013b57f9b315b07b7e08212ce0260c173d4f7a74c40d4070e32", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling tramp v0.3.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling 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:35:13
[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:52:37
[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:26:13
[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: 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 2m 23s
[INFO] running `Command { std: "docker" "inspect" "b0edbd166867e013b57f9b315b07b7e08212ce0260c173d4f7a74c40d4070e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0edbd166867e013b57f9b315b07b7e08212ce0260c173d4f7a74c40d4070e32", kill_on_drop: false }`
[INFO] [stdout] b0edbd166867e013b57f9b315b07b7e08212ce0260c173d4f7a74c40d4070e32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88e3a348a35b837dfda634ea4847f96f352e38867af2a3ae5fb09b712e179cf5
[INFO] running `Command { std: "docker" "start" "-a" "88e3a348a35b837dfda634ea4847f96f352e38867af2a3ae5fb09b712e179cf5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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:35:13
[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:52:37
[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:26:13
[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: 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 test [unoptimized + debuginfo] target(s) in 6.16s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/GeneticAlgorithm-f84cf7bb0cc5931c)
[INFO] running `Command { std: "docker" "inspect" "88e3a348a35b837dfda634ea4847f96f352e38867af2a3ae5fb09b712e179cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88e3a348a35b837dfda634ea4847f96f352e38867af2a3ae5fb09b712e179cf5", kill_on_drop: false }`
[INFO] [stdout] 88e3a348a35b837dfda634ea4847f96f352e38867af2a3ae5fb09b712e179cf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08c8c9b6c30b66adc51e7e2610b43754020862049fe3df2e5e40a55ac8e8c7d4
[INFO] running `Command { std: "docker" "start" "-a" "08c8c9b6c30b66adc51e7e2610b43754020862049fe3df2e5e40a55ac8e8c7d4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     for i in 0..parent.pop.len() / 2 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `best_child` is never read
[INFO] [stderr]   --> src/main.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut best_child = problem::data::IndiData::new();
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `it`
[INFO] [stderr]   --> src/main.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     for it in 0..problem::data::MAXIT {
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_it`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_data`
[INFO] [stderr]   --> src/main.rs:52:37
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let (mut new_parent,mut new_data, clone_tx)
[INFO] [stderr]    |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/problem/selection.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     for i in 0..nb_turn {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `win1`
[INFO] [stderr]   --> src/problem/selection.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let win1: usize;
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_win1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `win2`
[INFO] [stderr]   --> src/problem/selection.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let win2: usize;
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_win2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/problem/selection.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     for i in 0..t_size {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/problem/crossover.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     for i in 0..k {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/problem/mutation.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let mut index: usize;
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:52:33
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let (mut new_parent,mut new_data, clone_tx)
[INFO] [stderr]    |                                 ----^^^^^^^^
[INFO] [stderr]    |                                 |
[INFO] [stderr]    |                                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `GeneticAlgorithm` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `genetic_algorithm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 clone_tx.send(generate_child(&mut new_parent, &mut new_data));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `GeneticAlgorithm` (bin "GeneticAlgorithm" test) generated 13 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/GeneticAlgorithm-f84cf7bb0cc5931c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "08c8c9b6c30b66adc51e7e2610b43754020862049fe3df2e5e40a55ac8e8c7d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08c8c9b6c30b66adc51e7e2610b43754020862049fe3df2e5e40a55ac8e8c7d4", kill_on_drop: false }`
[INFO] [stdout] 08c8c9b6c30b66adc51e7e2610b43754020862049fe3df2e5e40a55ac8e8c7d4