[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] documenting rajasekarv/ant-colony-optimization against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajasekarv%2Fant-colony-optimization" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rajasekarv/ant-colony-optimization on toolchain beta-2020-08-29 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-7/source/Cargo.toml [INFO] crate git repo https://github.com/rajasekarv/ant-colony-optimization already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded permutation v0.2.5 [INFO] [stderr] Downloaded bincode v0.8.0 [INFO] [stderr] Downloaded rustbreak v1.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] faa7b02f714ece7be739a5e344fc2fd5560ef2379a0779cbf66f169c6fb3afa7 [INFO] running `Command { std: "docker" "start" "-a" "faa7b02f714ece7be739a5e344fc2fd5560ef2379a0779cbf66f169c6fb3afa7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "faa7b02f714ece7be739a5e344fc2fd5560ef2379a0779cbf66f169c6fb3afa7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "faa7b02f714ece7be739a5e344fc2fd5560ef2379a0779cbf66f169c6fb3afa7", kill_on_drop: false }` [INFO] [stdout] faa7b02f714ece7be739a5e344fc2fd5560ef2379a0779cbf66f169c6fb3afa7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1dc3885bbafaceab444336ee37becbeacbbf1ab9a80651805d5724315d4be6b2 [INFO] running `Command { std: "docker" "start" "-a" "1dc3885bbafaceab444336ee37becbeacbbf1ab9a80651805d5724315d4be6b2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.46 [INFO] [stderr] Compiling autocfg v0.1.1 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling serde v1.0.84 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Checking permutation v0.2.5 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.4 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Checking num_cpus v1.9.0 [INFO] [stderr] Checking rand_os v0.1.1 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Compiling syn v0.15.24 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Compiling serde_derive v1.0.84 [INFO] [stderr] Checking bincode v0.8.0 [INFO] [stderr] Checking rustbreak v1.4.0 [INFO] [stderr] Checking aco_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Documenting 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)]` 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 block return value [INFO] [stdout] --> src/aco_no_mem.rs:229:21 [INFO] [stdout] | [INFO] [stdout] 229 | / ({ [INFO] [stdout] 230 | | if visited[j] { [INFO] [stdout] 231 | | 0.0 [INFO] [stdout] 232 | | } else { [INFO] [stdout] ... | [INFO] [stdout] 239 | | } [INFO] [stdout] 240 | | }) [INFO] [stdout] | |______________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 229 | { [INFO] [stdout] 230 | if visited[j] { [INFO] [stdout] 231 | 0.0 [INFO] [stdout] 232 | } else { [INFO] [stdout] 233 | self.default_pheromone [INFO] [stdout] 234 | * (1.0 [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] 230 | | if visited[j] { [INFO] [stdout] 231 | | 0.0 [INFO] [stdout] 232 | | } else { [INFO] [stdout] ... | [INFO] [stdout] 239 | | } [INFO] [stdout] 240 | | }) [INFO] [stdout] | |______________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 229 | { [INFO] [stdout] 230 | if visited[j] { [INFO] [stdout] 231 | 0.0 [INFO] [stdout] 232 | } else { [INFO] [stdout] 233 | self.default_pheromone [INFO] [stdout] 234 | * (1.0 [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: 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)]` on by default [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; [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: 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; [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; [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `euclidean_distance` [INFO] [stdout] --> src/aco_mem.rs:245:8 [INFO] [stdout] | [INFO] [stdout] 245 | fn euclidean_distance(a: &Coordinate, b: &Coordinate) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 34.57s [INFO] running `Command { std: "docker" "inspect" "1dc3885bbafaceab444336ee37becbeacbbf1ab9a80651805d5724315d4be6b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1dc3885bbafaceab444336ee37becbeacbbf1ab9a80651805d5724315d4be6b2", kill_on_drop: false }` [INFO] [stdout] 1dc3885bbafaceab444336ee37becbeacbbf1ab9a80651805d5724315d4be6b2