[INFO] cloning repository https://github.com/rajasekarv/ant-colony-optimization
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rajasekarv/ant-colony-optimization" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajasekarv%2Fant-colony-optimization", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajasekarv%2Fant-colony-optimization'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3a1f4c379ddeeeab6fccbf6564fc46e938951b9
[INFO] testing rajasekarv/ant-colony-optimization against beta-2025-09-21 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajasekarv%2Fant-colony-optimization" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rajasekarv/ant-colony-optimization
[INFO] finished tweaking git repo https://github.com/rajasekarv/ant-colony-optimization
[INFO] tweaked toml for git repo https://github.com/rajasekarv/ant-colony-optimization written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rajasekarv/ant-colony-optimization on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rajasekarv/ant-colony-optimization 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84d10b3519f9270d55ae5f03490f8d4a8facbe8bed9f6dbbabba6771ad28335a
[INFO] running `Command { std: "docker" "start" "-a" "84d10b3519f9270d55ae5f03490f8d4a8facbe8bed9f6dbbabba6771ad28335a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84d10b3519f9270d55ae5f03490f8d4a8facbe8bed9f6dbbabba6771ad28335a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84d10b3519f9270d55ae5f03490f8d4a8facbe8bed9f6dbbabba6771ad28335a", kill_on_drop: false }`
[INFO] [stdout] 84d10b3519f9270d55ae5f03490f8d4a8facbe8bed9f6dbbabba6771ad28335a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 110facd3fe0e71327dab48a76b4095425cac87e45b7bf01eacff325be108a02f
[INFO] running `Command { std: "docker" "start" "-a" "110facd3fe0e71327dab48a76b4095425cac87e45b7bf01eacff325be108a02f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling permutation v0.2.5
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling rand_os v0.1.1
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]    Compiling bincode v0.8.0
[INFO] [stderr]    Compiling rustbreak v1.4.0
[INFO] [stderr]    Compiling aco_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/aco_mem.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::{HashMap, HashSet};
[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::f64::INFINITY`
[INFO] [stdout]   --> src/aco_mem.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::f64::INFINITY;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `memmap::MmapOptions`
[INFO] [stdout]  --> src/aco_memmap.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use memmap::MmapOptions;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f32::INFINITY`
[INFO] [stdout]   --> src/aco_memmap.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::f32::INFINITY;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem::transmute`
[INFO] [stdout]   --> src/aco_memmap.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::mem::transmute;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `slice`
[INFO] [stdout]   --> src/aco_memmap.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::{mem, slice};
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/aco_memmap.rs:204:31
[INFO] [stdout]     |
[INFO] [stdout] 204 |                     .map(|_j| (self.default_pheromone))
[INFO] [stdout]     |                               ^                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 204 -                     .map(|_j| (self.default_pheromone))
[INFO] [stdout] 204 +                     .map(|_j| self.default_pheromone)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/aco_no_mem.rs:229:21
[INFO] [stdout]     |
[INFO] [stdout] 229 |                     ({
[INFO] [stdout]     |                     ^
[INFO] [stdout] ...
[INFO] [stdout] 240 |                     })
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 229 ~                     {
[INFO] [stdout] 230 |                         if visited[j] {
[INFO] [stdout] ...
[INFO] [stdout] 239 |                         }
[INFO] [stdout] 240 ~                     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/aco_mem.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/aco_mem.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let mut iteration_paths: Vec<TourPath>;
[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: `i`
[INFO] [stdout]    --> src/aco_mem.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |         for i in 0..(self.distances.len() - 1) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[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/aco_memmap.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |             let mut iteration_paths: Vec<TourPath>;
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/aco_no_mem.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |             let mut iteration_paths: Vec<TourPath>;
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `euclidean_distance` is never used
[INFO] [stdout]    --> src/aco_mem.rs:245:8
[INFO] [stdout]     |
[INFO] [stdout]  96 | impl AntColony {
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 245 |     fn euclidean_distance(a: &Coordinate, b: &Coordinate) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bin/aco_using_ram.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | 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: `fnv::FnvHashMap`
[INFO] [stdout]  --> src/bin/aco_using_memmap.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use fnv::FnvHashMap;
[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::mem::transmute`
[INFO] [stdout]   --> src/bin/aco_using_memmap.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::mem::transmute;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `slice`
[INFO] [stdout]   --> src/bin/aco_using_memmap.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::{mem, slice};
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/aco_using_memmap.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut f = File::create("/data1/temp").expect("Unable to create file");
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/aco_using_memmap.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut f = File::open("/data1/temp").unwrap();
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/aco_using_memmap.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let mut f = File::create("temp").expect("Unable to create file");
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/aco_using_memmap.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let mut f = File::open("temp").unwrap();
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/aco_using_memmap.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |     let mut f = File::create("temp").expect("Unable to create file");
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main0` is never used
[INFO] [stdout]   --> src/bin/aco_using_memmap.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn main0() {
[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 `main4` is never used
[INFO] [stdout]    --> src/bin/aco_using_memmap.rs:144:4
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn main4() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main1` is never used
[INFO] [stdout]    --> src/bin/aco_using_memmap.rs:185:4
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn main1() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/bin/aco_using_memmap.rs:48:71
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 let raw_bytes: [u8; mem::size_of::<f32>()] = unsafe { std::mem::transmute(number) };
[INFO] [stdout]    |                                                                       -------------------^^^^^^^^
[INFO] [stdout]    |                                                                       |
[INFO] [stdout]    |                                                                       help: replace this with: `f32::to_ne_bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/bin/aco_using_memmap.rs:109:71
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 let raw_bytes: [u8; mem::size_of::<f64>()] = unsafe { std::mem::transmute(*j) };
[INFO] [stdout]     |                                                                       -------------------^^^^
[INFO] [stdout]     |                                                                       |
[INFO] [stdout]     |                                                                       help: replace this with: `f64::to_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/bin/aco_using_memmap.rs:213:67
[INFO] [stdout]     |
[INFO] [stdout] 213 |             let raw_bytes: [u8; mem::size_of::<f32>()] = unsafe { std::mem::transmute(*j) };
[INFO] [stdout]     |                                                                   -------------------^^^^
[INFO] [stdout]     |                                                                   |
[INFO] [stdout]     |                                                                   help: replace this with: `f32::to_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.05s
[INFO] running `Command { std: "docker" "inspect" "110facd3fe0e71327dab48a76b4095425cac87e45b7bf01eacff325be108a02f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "110facd3fe0e71327dab48a76b4095425cac87e45b7bf01eacff325be108a02f", kill_on_drop: false }`
[INFO] [stdout] 110facd3fe0e71327dab48a76b4095425cac87e45b7bf01eacff325be108a02f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f7e7be8c4c825ddb54f0cc11c30101147ec46e2869e1d4977a78b958a9efb49
[INFO] running `Command { std: "docker" "start" "-a" "4f7e7be8c4c825ddb54f0cc11c30101147ec46e2869e1d4977a78b958a9efb49", kill_on_drop: false }`
[INFO] [stderr]    Compiling aco_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/aco_mem.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::{HashMap, HashSet};
[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::f64::INFINITY`
[INFO] [stdout]   --> src/aco_mem.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::f64::INFINITY;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `memmap::MmapOptions`
[INFO] [stdout]  --> src/aco_memmap.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use memmap::MmapOptions;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f32::INFINITY`
[INFO] [stdout]   --> src/aco_memmap.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::f32::INFINITY;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem::transmute`
[INFO] [stdout]   --> src/aco_memmap.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::mem::transmute;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `slice`
[INFO] [stdout]   --> src/aco_memmap.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::{mem, slice};
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/aco_memmap.rs:204:31
[INFO] [stdout]     |
[INFO] [stdout] 204 |                     .map(|_j| (self.default_pheromone))
[INFO] [stdout]     |                               ^                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 204 -                     .map(|_j| (self.default_pheromone))
[INFO] [stdout] 204 +                     .map(|_j| self.default_pheromone)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/aco_no_mem.rs:229:21
[INFO] [stdout]     |
[INFO] [stdout] 229 |                     ({
[INFO] [stdout]     |                     ^
[INFO] [stdout] ...
[INFO] [stdout] 240 |                     })
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 229 ~                     {
[INFO] [stdout] 230 |                         if visited[j] {
[INFO] [stdout] ...
[INFO] [stdout] 239 |                         }
[INFO] [stdout] 240 ~                     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/aco_mem.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/aco_mem.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let mut iteration_paths: Vec<TourPath>;
[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: `i`
[INFO] [stdout]    --> src/aco_mem.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |         for i in 0..(self.distances.len() - 1) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[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/aco_memmap.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |             let mut iteration_paths: Vec<TourPath>;
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/aco_no_mem.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |             let mut iteration_paths: Vec<TourPath>;
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `euclidean_distance` is never used
[INFO] [stdout]    --> src/aco_mem.rs:245:8
[INFO] [stdout]     |
[INFO] [stdout]  96 | impl AntColony {
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 245 |     fn euclidean_distance(a: &Coordinate, b: &Coordinate) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fnv::FnvHashMap`
[INFO] [stdout]  --> src/bin/aco_using_memmap.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use fnv::FnvHashMap;
[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::mem::transmute`
[INFO] [stdout]   --> src/bin/aco_using_memmap.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::mem::transmute;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `slice`
[INFO] [stdout]   --> src/bin/aco_using_memmap.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::{mem, slice};
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/aco_mem.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::{HashMap, HashSet};
[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::f64::INFINITY`
[INFO] [stdout]   --> src/aco_mem.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::f64::INFINITY;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `memmap::MmapOptions`
[INFO] [stdout]  --> src/aco_memmap.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use memmap::MmapOptions;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f32::INFINITY`
[INFO] [stdout]   --> src/aco_memmap.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::f32::INFINITY;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem::transmute`
[INFO] [stdout]   --> src/aco_memmap.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::mem::transmute;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `slice`
[INFO] [stdout]   --> src/aco_memmap.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::{mem, slice};
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/aco_memmap.rs:204:31
[INFO] [stdout]     |
[INFO] [stdout] 204 |                     .map(|_j| (self.default_pheromone))
[INFO] [stdout]     |                               ^                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 204 -                     .map(|_j| (self.default_pheromone))
[INFO] [stdout] 204 +                     .map(|_j| self.default_pheromone)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/aco_no_mem.rs:229:21
[INFO] [stdout]     |
[INFO] [stdout] 229 |                     ({
[INFO] [stdout]     |                     ^
[INFO] [stdout] ...
[INFO] [stdout] 240 |                     })
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 229 ~                     {
[INFO] [stdout] 230 |                         if visited[j] {
[INFO] [stdout] ...
[INFO] [stdout] 239 |                         }
[INFO] [stdout] 240 ~                     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bin/aco_using_ram.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | 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: `rayon::prelude`
[INFO] [stdout]  --> src/aco_mem.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/aco_mem.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let mut iteration_paths: Vec<TourPath>;
[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: `i`
[INFO] [stdout]    --> src/aco_mem.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |         for i in 0..(self.distances.len() - 1) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[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/bin/aco_using_memmap.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut f = File::create("/data1/temp").expect("Unable to create file");
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/aco_using_memmap.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut f = File::open("/data1/temp").unwrap();
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/aco_using_memmap.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let mut f = File::create("temp").expect("Unable to create file");
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/aco_using_memmap.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let mut f = File::open("temp").unwrap();
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/aco_memmap.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |             let mut iteration_paths: Vec<TourPath>;
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/aco_using_memmap.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |     let mut f = File::create("temp").expect("Unable to create file");
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main0` is never used
[INFO] [stdout]   --> src/bin/aco_using_memmap.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn main0() {
[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 `main4` is never used
[INFO] [stdout]    --> src/bin/aco_using_memmap.rs:144:4
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn main4() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main1` is never used
[INFO] [stdout]    --> src/bin/aco_using_memmap.rs:185:4
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn main1() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/bin/aco_using_memmap.rs:48:71
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 let raw_bytes: [u8; mem::size_of::<f32>()] = unsafe { std::mem::transmute(number) };
[INFO] [stdout]    |                                                                       -------------------^^^^^^^^
[INFO] [stdout]    |                                                                       |
[INFO] [stdout]    |                                                                       help: replace this with: `f32::to_ne_bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/bin/aco_using_memmap.rs:109:71
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 let raw_bytes: [u8; mem::size_of::<f64>()] = unsafe { std::mem::transmute(*j) };
[INFO] [stdout]     |                                                                       -------------------^^^^
[INFO] [stdout]     |                                                                       |
[INFO] [stdout]     |                                                                       help: replace this with: `f64::to_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/bin/aco_using_memmap.rs:213:67
[INFO] [stdout]     |
[INFO] [stdout] 213 |             let raw_bytes: [u8; mem::size_of::<f32>()] = unsafe { std::mem::transmute(*j) };
[INFO] [stdout]     |                                                                   -------------------^^^^
[INFO] [stdout]     |                                                                   |
[INFO] [stdout]     |                                                                   help: replace this with: `f32::to_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/aco_no_mem.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |             let mut iteration_paths: Vec<TourPath>;
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `euclidean_distance` is never used
[INFO] [stdout]    --> src/aco_mem.rs:245:8
[INFO] [stdout]     |
[INFO] [stdout]  96 | impl AntColony {
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 245 |     fn euclidean_distance(a: &Coordinate, b: &Coordinate) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "4f7e7be8c4c825ddb54f0cc11c30101147ec46e2869e1d4977a78b958a9efb49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f7e7be8c4c825ddb54f0cc11c30101147ec46e2869e1d4977a78b958a9efb49", kill_on_drop: false }`
[INFO] [stdout] 4f7e7be8c4c825ddb54f0cc11c30101147ec46e2869e1d4977a78b958a9efb49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d4d13f1713db5567e0cdd942a21f42ca8c22566f33b597b3a8e2db38eea42c1e
[INFO] running `Command { std: "docker" "start" "-a" "d4d13f1713db5567e0cdd942a21f42ca8c22566f33b597b3a8e2db38eea42c1e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/aco_mem.rs:8:24
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::f64::INFINITY`
[INFO] [stderr]   --> src/aco_mem.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::f64::INFINITY;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `memmap::MmapOptions`
[INFO] [stderr]  --> src/aco_memmap.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use memmap::MmapOptions;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::f32::INFINITY`
[INFO] [stderr]   --> src/aco_memmap.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::f32::INFINITY;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem::transmute`
[INFO] [stderr]   --> src/aco_memmap.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::mem::transmute;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `slice`
[INFO] [stderr]   --> src/aco_memmap.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::{mem, slice};
[INFO] [stderr]    |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/aco_memmap.rs:204:31
[INFO] [stderr]     |
[INFO] [stderr] 204 |                     .map(|_j| (self.default_pheromone))
[INFO] [stderr]     |                               ^                      ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 204 -                     .map(|_j| (self.default_pheromone))
[INFO] [stderr] 204 +                     .map(|_j| self.default_pheromone)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/aco_no_mem.rs:229:21
[INFO] [stderr]     |
[INFO] [stderr] 229 |                     ({
[INFO] [stderr]     |                     ^
[INFO] [stderr] ...
[INFO] [stderr] 240 |                     })
[INFO] [stderr]     |                      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 229 ~                     {
[INFO] [stderr] 230 |                         if visited[j] {
[INFO] [stderr] ...
[INFO] [stderr] 239 |                         }
[INFO] [stderr] 240 ~                     }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]  --> src/aco_mem.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rayon::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/aco_mem.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |             let mut iteration_paths: Vec<TourPath>;
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/aco_mem.rs:153:13
[INFO] [stderr]     |
[INFO] [stderr] 153 |         for i in 0..(self.distances.len() - 1) {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/aco_memmap.rs:146:17
[INFO] [stderr]     |
[INFO] [stderr] 146 |             let mut iteration_paths: Vec<TourPath>;
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/aco_no_mem.rs:136:17
[INFO] [stderr]     |
[INFO] [stderr] 136 |             let mut iteration_paths: Vec<TourPath>;
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `euclidean_distance` is never used
[INFO] [stderr]    --> src/aco_mem.rs:245:8
[INFO] [stderr]     |
[INFO] [stderr]  96 | impl AntColony {
[INFO] [stderr]     | -------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 245 |     fn euclidean_distance(a: &Coordinate, b: &Coordinate) -> f64 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `aco_rust` (lib) generated 14 warnings (run `cargo fix --lib -p aco_rust` to apply 11 suggestions)
[INFO] [stderr] warning: `aco_rust` (lib test) generated 14 warnings (14 duplicates)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/bin/aco_using_ram.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fnv::FnvHashMap`
[INFO] [stderr]  --> src/bin/aco_using_memmap.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use fnv::FnvHashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem::transmute`
[INFO] [stderr]   --> src/bin/aco_using_memmap.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::mem::transmute;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `slice`
[INFO] [stderr]   --> src/bin/aco_using_memmap.rs:16:16
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::{mem, slice};
[INFO] [stderr]    |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/aco_using_memmap.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let mut f = File::create("/data1/temp").expect("Unable to create file");
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/aco_using_memmap.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let mut f = File::open("/data1/temp").unwrap();
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/aco_using_memmap.rs:98:13
[INFO] [stderr]    |
[INFO] [stderr] 98 |         let mut f = File::create("temp").expect("Unable to create file");
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/aco_using_memmap.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let mut f = File::open("temp").unwrap();
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/aco_using_memmap.rs:209:9
[INFO] [stderr]     |
[INFO] [stderr] 209 |     let mut f = File::create("temp").expect("Unable to create file");
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function `main0` is never used
[INFO] [stderr]   --> src/bin/aco_using_memmap.rs:74:4
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn main0() {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `main4` is never used
[INFO] [stderr]    --> src/bin/aco_using_memmap.rs:144:4
[INFO] [stderr]     |
[INFO] [stderr] 144 | fn main4() {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main1` is never used
[INFO] [stderr]    --> src/bin/aco_using_memmap.rs:185:4
[INFO] [stderr]     |
[INFO] [stderr] 185 | fn main1() {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary transmute
[INFO] [stderr]   --> src/bin/aco_using_memmap.rs:48:71
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 let raw_bytes: [u8; mem::size_of::<f32>()] = unsafe { std::mem::transmute(number) };
[INFO] [stderr]    |                                                                       -------------------^^^^^^^^
[INFO] [stderr]    |                                                                       |
[INFO] [stderr]    |                                                                       help: replace this with: `f32::to_ne_bytes`
[INFO] [stderr]    |
[INFO] [stderr]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stderr]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary transmute
[INFO] [stderr]    --> src/bin/aco_using_memmap.rs:109:71
[INFO] [stderr]     |
[INFO] [stderr] 109 |                 let raw_bytes: [u8; mem::size_of::<f64>()] = unsafe { std::mem::transmute(*j) };
[INFO] [stderr]     |                                                                       -------------------^^^^
[INFO] [stderr]     |                                                                       |
[INFO] [stderr]     |                                                                       help: replace this with: `f64::to_ne_bytes`
[INFO] [stderr]     |
[INFO] [stderr]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary transmute
[INFO] [stderr]    --> src/bin/aco_using_memmap.rs:213:67
[INFO] [stderr]     |
[INFO] [stderr] 213 |             let raw_bytes: [u8; mem::size_of::<f32>()] = unsafe { std::mem::transmute(*j) };
[INFO] [stderr]     |                                                                   -------------------^^^^
[INFO] [stderr]     |                                                                   |
[INFO] [stderr]     |                                                                   help: replace this with: `f32::to_ne_bytes`
[INFO] [stderr]     |
[INFO] [stderr]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stderr] 
[INFO] [stderr] warning: `aco_rust` (bin "aco_using_ram" test) generated 1 warning (run `cargo fix --bin "aco_using_ram" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `aco_rust` (bin "aco_using_memmap" test) generated 14 warnings (run `cargo fix --bin "aco_using_memmap" --tests` to apply 11 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/aco_rust-ca2933986d03b7e5)
[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] [stderr]      Running unittests src/bin/aco_using_memmap.rs (/opt/rustwide/target/debug/deps/aco_using_memmap-170bfd67e8f89efb)
[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] [stderr]      Running unittests src/bin/aco_using_no_ram.rs (/opt/rustwide/target/debug/deps/aco_using_no_ram-a7e9cd70dc20f715)
[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] [stderr]      Running unittests src/bin/aco_using_ram.rs (/opt/rustwide/target/debug/deps/aco_using_ram-f0680e315066bca2)
[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] [stderr]    Doc-tests aco_rust
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/aco_memmap.rs:204:31
[INFO] [stderr]     |
[INFO] [stderr] 204 |                     .map(|_j| (self.default_pheromone))
[INFO] [stderr]     |                               ^                      ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 204 -                     .map(|_j| (self.default_pheromone))
[INFO] [stderr] 204 +                     .map(|_j| self.default_pheromone)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/aco_no_mem.rs:229:21
[INFO] [stderr]     |
[INFO] [stderr] 229 |                     ({
[INFO] [stderr]     |                     ^
[INFO] [stderr] ...
[INFO] [stderr] 240 |                     })
[INFO] [stderr]     |                      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 229 ~                     {
[INFO] [stderr] 230 |                         if visited[j] {
[INFO] [stderr] ...
[INFO] [stderr] 239 |                         }
[INFO] [stderr] 240 ~                     }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[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" "d4d13f1713db5567e0cdd942a21f42ca8c22566f33b597b3a8e2db38eea42c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4d13f1713db5567e0cdd942a21f42ca8c22566f33b597b3a8e2db38eea42c1e", kill_on_drop: false }`
[INFO] [stdout] d4d13f1713db5567e0cdd942a21f42ca8c22566f33b597b3a8e2db38eea42c1e
