[INFO] cloning repository https://github.com/JelsonRodrigues/genetic_algorithm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JelsonRodrigues/genetic_algorithm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJelsonRodrigues%2Fgenetic_algorithm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJelsonRodrigues%2Fgenetic_algorithm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54cebc95af335ad719540eb711778c4cff4a08a2
[INFO] checking JelsonRodrigues/genetic_algorithm against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJelsonRodrigues%2Fgenetic_algorithm" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JelsonRodrigues/genetic_algorithm
[INFO] finished tweaking git repo https://github.com/JelsonRodrigues/genetic_algorithm
[INFO] tweaked toml for git repo https://github.com/JelsonRodrigues/genetic_algorithm written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JelsonRodrigues/genetic_algorithm on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JelsonRodrigues/genetic_algorithm 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded build-probe-mpi v0.1.3
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 227b533dd1b405d4939d8d0c095b65f0f1cb6e7ffe0039b1ebd63f22065eef7b
[INFO] running `Command { std: "docker" "start" "-a" "227b533dd1b405d4939d8d0c095b65f0f1cb6e7ffe0039b1ebd63f22065eef7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "227b533dd1b405d4939d8d0c095b65f0f1cb6e7ffe0039b1ebd63f22065eef7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "227b533dd1b405d4939d8d0c095b65f0f1cb6e7ffe0039b1ebd63f22065eef7b", kill_on_drop: false }`
[INFO] [stdout] 227b533dd1b405d4939d8d0c095b65f0f1cb6e7ffe0039b1ebd63f22065eef7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38cd7e8605e22cc7a0697f4f0092e9e4611f4228b7d09a6cb298c906cd856c37
[INFO] running `Command { std: "docker" "start" "-a" "38cd7e8605e22cc7a0697f4f0092e9e4611f4228b7d09a6cb298c906cd856c37", kill_on_drop: false }`
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[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cc v1.0.90
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[INFO] [stderr]    Compiling prettyplease v0.2.16
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
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[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling libloading v0.8.3
[INFO] [stderr]    Compiling build-probe-mpi v0.1.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling bindgen v0.68.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling libffi-sys v2.3.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling thiserror v1.0.57
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[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking rand_core v0.6.4
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[INFO] [stderr]     Checking crossbeam-deque v0.8.5
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[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
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[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling mpi-sys v0.2.1
[INFO] [stderr]     Checking libffi v3.2.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking genetic_algorithm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `CommunicatorCollectives`
[INFO] [stdout]  --> src/main.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use mpi::traits::{Communicator, CommunicatorCollectives, Destination, Root, Source};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `once_cell::sync::Lazy`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use once_cell::sync::Lazy;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Uniform`
[INFO] [stdout]  --> src/main.rs:8:66
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::distributions::{uniform::UniformSampler, Distribution, Uniform};
[INFO] [stdout]   |                                                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vec`
[INFO] [stdout]  --> src/main.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rayon::{prelude::*, vec};
[INFO] [stdout]   |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CommunicatorCollectives`
[INFO] [stdout]  --> src/main.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use mpi::traits::{Communicator, CommunicatorCollectives, Destination, Root, Source};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `once_cell::sync::Lazy`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use once_cell::sync::Lazy;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Uniform`
[INFO] [stdout]  --> src/main.rs:8:66
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::distributions::{uniform::UniformSampler, Distribution, Uniform};
[INFO] [stdout]   |                                                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vec`
[INFO] [stdout]  --> src/main.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rayon::{prelude::*, vec};
[INFO] [stdout]   |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Distribution`
[INFO] [stdout]  --> src/main.rs:8:52
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::distributions::{uniform::UniformSampler, Distribution, Uniform};
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/tsp.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let len = graph_weights.len();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Distribution`
[INFO] [stdout]  --> src/main.rs:8:52
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::distributions::{uniform::UniformSampler, Distribution, Uniform};
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |             let mut tsp_population = eval_pop
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stats`
[INFO] [stdout]   --> src/main.rs:74:34
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     let (buffer, stats) = world.process_at_rank(i).receive_vec();
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_stats`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stats`
[INFO] [stdout]    --> src/main.rs:158:30
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 let (buffer, stats) = world.process_at_rank(i).receive_vec();
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_stats`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stats`
[INFO] [stdout]    --> src/main.rs:206:30
[INFO] [stdout]     |
[INFO] [stdout] 206 |                 let (buffer, stats) = world.process_at_rank(ROOT_PROCESS).receive_vec();
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_stats`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:390:9
[INFO] [stdout]     |
[INFO] [stdout] 390 |     let mut population = (0..NUMBER_OF_INDIVIDUALS_PER_POPULATION)
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/tsp.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let len = graph_weights.len();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |             let mut tsp_population = eval_pop
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stats`
[INFO] [stdout]   --> src/main.rs:74:34
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     let (buffer, stats) = world.process_at_rank(i).receive_vec();
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_stats`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stats`
[INFO] [stdout]    --> src/main.rs:158:30
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 let (buffer, stats) = world.process_at_rank(i).receive_vec();
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_stats`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stats`
[INFO] [stdout]    --> src/main.rs:206:30
[INFO] [stdout]     |
[INFO] [stdout] 206 |                 let (buffer, stats) = world.process_at_rank(ROOT_PROCESS).receive_vec();
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_stats`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:390:9
[INFO] [stdout]     |
[INFO] [stdout] 390 |     let mut population = (0..NUMBER_OF_INDIVIDUALS_PER_POPULATION)
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 58.98s
[INFO] running `Command { std: "docker" "inspect" "38cd7e8605e22cc7a0697f4f0092e9e4611f4228b7d09a6cb298c906cd856c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38cd7e8605e22cc7a0697f4f0092e9e4611f4228b7d09a6cb298c906cd856c37", kill_on_drop: false }`
[INFO] [stdout] 38cd7e8605e22cc7a0697f4f0092e9e4611f4228b7d09a6cb298c906cd856c37
