[INFO] cloning repository https://github.com/ycatbink0t/AntAlg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ycatbink0t/AntAlg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2FAntAlg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2FAntAlg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be848fcba58cb60537d51445b22c524f7fc4d80f
[INFO] checking ycatbink0t/AntAlg against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2FAntAlg" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ycatbink0t/AntAlg on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ycatbink0t/AntAlg
[INFO] finished tweaking git repo https://github.com/ycatbink0t/AntAlg
[INFO] tweaked toml for git repo https://github.com/ycatbink0t/AntAlg written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/ycatbink0t/AntAlg already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `panic` setting is ignored for `test` profile
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acbb828dad6ca7bec6bfdd09018513ebea8217a15e02a2a01caada854d36d528
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "acbb828dad6ca7bec6bfdd09018513ebea8217a15e02a2a01caada854d36d528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acbb828dad6ca7bec6bfdd09018513ebea8217a15e02a2a01caada854d36d528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acbb828dad6ca7bec6bfdd09018513ebea8217a15e02a2a01caada854d36d528", kill_on_drop: false }`
[INFO] [stdout] acbb828dad6ca7bec6bfdd09018513ebea8217a15e02a2a01caada854d36d528
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efbb02f1724cd74ebc645a503e386454551cab16bb2935bf366d773da6c58ceb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "efbb02f1724cd74ebc645a503e386454551cab16bb2935bf366d773da6c58ceb", kill_on_drop: false }`
[INFO] [stderr] warning: `panic` setting is ignored for `test` profile
[INFO] [stderr]     Checking ant-alg v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/lib.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use std::cmp::min;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/lib.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 |     use std::time::{Duration};
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/lib.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use std::cmp::min;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/lib.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 |     use std::time::{Duration};
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `g` is never read
[INFO] [stdout]    --> src/lib.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 g = &(g * (1.0 - config.ro));
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `visited_targets_counter` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/lib.rs:94:29
[INFO] [stdout]    |
[INFO] [stdout] 93 |                         if let Some(v) = visited_targets_counter.get(&mut i) {
[INFO] [stdout]    |                                          ----------------------- immutable borrow occurs here
[INFO] [stdout] 94 |                             visited_targets_counter.insert(i, *v + 1);
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^           -- immutable borrow later used here
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             mutable borrow occurs here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `g` is never read
[INFO] [stdout]    --> src/lib.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 g = &(g * (1.0 - config.ro));
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `visited_targets_counter` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/lib.rs:94:29
[INFO] [stdout]    |
[INFO] [stdout] 93 |                         if let Some(v) = visited_targets_counter.get(&mut i) {
[INFO] [stdout]    |                                          ----------------------- immutable borrow occurs here
[INFO] [stdout] 94 |                             visited_targets_counter.insert(i, *v + 1);
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^           -- immutable borrow later used here
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             mutable borrow occurs here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gen_graph`
[INFO] [stdout]  --> src/main.rs:4:66
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ant_alg::ants_algs::{Config, get_possibly_shortest_way_sync, gen_graph};
[INFO] [stdout]   |                                                                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gen_graph`
[INFO] [stdout]  --> src/main.rs:4:66
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ant_alg::ants_algs::{Config, get_possibly_shortest_way_sync, gen_graph};
[INFO] [stdout]   |                                                                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "efbb02f1724cd74ebc645a503e386454551cab16bb2935bf366d773da6c58ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efbb02f1724cd74ebc645a503e386454551cab16bb2935bf366d773da6c58ceb", kill_on_drop: false }`
[INFO] [stdout] efbb02f1724cd74ebc645a503e386454551cab16bb2935bf366d773da6c58ceb