[INFO] cloning repository https://github.com/rajasekarv/ant-colony-optimization [INFO] running `"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"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajasekarv%2Fant-colony-optimization'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a3a1f4c379ddeeeab6fccbf6564fc46e938951b9 [INFO] checking rajasekarv/ant-colony-optimization against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajasekarv%2Fant-colony-optimization" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rajasekarv/ant-colony-optimization on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [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-1/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 `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 98bd3e1d1eb01f515c0c39f58905988150ebcf5b31aaa3e3bbc96afc744bfe5e [INFO] running `"docker" "start" "-a" "98bd3e1d1eb01f515c0c39f58905988150ebcf5b31aaa3e3bbc96afc744bfe5e"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking permutation v0.2.5 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking bincode v0.8.0 [INFO] [stderr] Checking rayon-core v1.4.1 [INFO] [stderr] Checking rand v0.6.4 [INFO] [stderr] Checking rustbreak v1.4.0 [INFO] [stderr] Checking rayon v1.0.3 [INFO] [stderr] Checking aco_rust v0.1.0 (/opt/rustwide/workdir) [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)]` 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: 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)]` 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: 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: 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: consider prefixing with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [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; [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: 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: 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: consider prefixing with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` 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; [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_mem.rs:116:17 [INFO] [stderr] | [INFO] [stderr] 116 | let mut iteration_paths: Vec; [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: 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; [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; [INFO] [stderr] | ----^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `euclidean_distance` [INFO] [stderr] --> src/aco_mem.rs:245:5 [INFO] [stderr] | [INFO] [stderr] 245 | fn euclidean_distance(a: &Coordinate, b: &Coordinate) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [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; [INFO] [stderr] | ----^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `euclidean_distance` [INFO] [stderr] --> src/aco_mem.rs:245:5 [INFO] [stderr] | [INFO] [stderr] 245 | fn euclidean_distance(a: &Coordinate, b: &Coordinate) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [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)]` 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)]` 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)]` 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 is never used: `main0` [INFO] [stderr] --> src/bin/aco_using_memmap.rs:74:1 [INFO] [stderr] | [INFO] [stderr] 74 | fn main0() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main4` [INFO] [stderr] --> src/bin/aco_using_memmap.rs:144:1 [INFO] [stderr] | [INFO] [stderr] 144 | fn main4() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main1` [INFO] [stderr] --> src/bin/aco_using_memmap.rs:185:1 [INFO] [stderr] | [INFO] [stderr] 185 | fn main1() { [INFO] [stderr] | ^^^^^^^^^^ [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)]` 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)]` 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 is never used: `main0` [INFO] [stderr] --> src/bin/aco_using_memmap.rs:74:1 [INFO] [stderr] | [INFO] [stderr] 74 | fn main0() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main4` [INFO] [stderr] --> src/bin/aco_using_memmap.rs:144:1 [INFO] [stderr] | [INFO] [stderr] 144 | fn main4() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main1` [INFO] [stderr] --> src/bin/aco_using_memmap.rs:185:1 [INFO] [stderr] | [INFO] [stderr] 185 | fn main1() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [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)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.24s [INFO] running `"docker" "inspect" "98bd3e1d1eb01f515c0c39f58905988150ebcf5b31aaa3e3bbc96afc744bfe5e"` [INFO] running `"docker" "rm" "-f" "98bd3e1d1eb01f515c0c39f58905988150ebcf5b31aaa3e3bbc96afc744bfe5e"` [INFO] [stdout] 98bd3e1d1eb01f515c0c39f58905988150ebcf5b31aaa3e3bbc96afc744bfe5e