[INFO] cloning repository https://github.com/trfhgx/metaheuristics-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trfhgx/metaheuristics-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrfhgx%2Fmetaheuristics-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrfhgx%2Fmetaheuristics-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b922b3efb71866c7b064ed50cc98c8ac25c5444a
[INFO] checking trfhgx/metaheuristics-rust against master#377656d3dd3f9c23a9c8713e163f4365a5261a84 for pr-146470-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrfhgx%2Fmetaheuristics-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/trfhgx/metaheuristics-rust
[INFO] finished tweaking git repo https://github.com/trfhgx/metaheuristics-rust
[INFO] tweaked toml for git repo https://github.com/trfhgx/metaheuristics-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/trfhgx/metaheuristics-rust on toolchain 377656d3dd3f9c23a9c8713e163f4365a5261a84
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/trfhgx/metaheuristics-rust 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" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded csv-core v0.1.13
[INFO] [stderr]   Downloaded chacha20 v0.10.0-rc.5
[INFO] [stderr]   Downloaded rand_core v0.10.0-rc-2
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[INFO] [stderr]   Downloaded csv v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e1b1831e39a498ca4b5bb3de45f121e5f7c970334d2378f0adc6618c8ed6af0
[INFO] running `Command { std: "docker" "start" "-a" "9e1b1831e39a498ca4b5bb3de45f121e5f7c970334d2378f0adc6618c8ed6af0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e1b1831e39a498ca4b5bb3de45f121e5f7c970334d2378f0adc6618c8ed6af0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e1b1831e39a498ca4b5bb3de45f121e5f7c970334d2378f0adc6618c8ed6af0", kill_on_drop: false }`
[INFO] [stdout] 9e1b1831e39a498ca4b5bb3de45f121e5f7c970334d2378f0adc6618c8ed6af0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07c0bfde803fc6eaff8b31c84b28affd8bcd967d49c99927ad476e62bec150f8
[INFO] running `Command { std: "docker" "start" "-a" "07c0bfde803fc6eaff8b31c84b28affd8bcd967d49c99927ad476e62bec150f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling cc v1.2.45
[INFO] [stderr]     Checking syn v2.0.110
[INFO] [stderr]    Compiling gl_generator v0.14.0
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[INFO] [stderr]    Compiling glutin_egl_sys v0.7.1
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[INFO] [stderr]    Compiling wayland-backend v0.3.11
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[INFO] [stderr]     Checking glutin v0.32.3
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[INFO] [stderr]     Checking metaheurstics v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/utils/tsp.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[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: `std::collections::HashMap`
[INFO] [stdout]  --> src/utils/tsp.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[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 variable: `data`
[INFO] [stdout]   --> src/utils/tsp.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn cycle_find(data:Data){
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/utils/tsp.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn cycle_find(data:Data){
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cycle_find` is never used
[INFO] [stdout]   --> src/utils/tsp.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn cycle_find(data:Data){
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cycle_find` is never used
[INFO] [stdout]   --> src/utils/tsp.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn cycle_find(data:Data){
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 59.38s
[INFO] running `Command { std: "docker" "inspect" "07c0bfde803fc6eaff8b31c84b28affd8bcd967d49c99927ad476e62bec150f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07c0bfde803fc6eaff8b31c84b28affd8bcd967d49c99927ad476e62bec150f8", kill_on_drop: false }`
[INFO] [stdout] 07c0bfde803fc6eaff8b31c84b28affd8bcd967d49c99927ad476e62bec150f8
