[INFO] updating cached repository https://github.com/ycatbink0t/AntAlg
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] be848fcba58cb60537d51445b22c524f7fc4d80f
[INFO] checking ycatbink0t/AntAlg against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2FAntAlg" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ycatbink0t/AntAlg on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ycatbink0t/AntAlg already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: `panic` setting is ignored for `test` profile
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] 5785515bd38271b9db42cde62f7f5bed05ef1199bbe5166b42542b7f330dfbdf
[INFO] running `"docker" "start" "-a" "5785515bd38271b9db42cde62f7f5bed05ef1199bbe5166b42542b7f330dfbdf"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: `panic` setting is ignored for `test` profile
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ant-alg v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::cmp::min`
[INFO] [stderr]  --> src/lib.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     use std::cmp::min;
[INFO] [stderr]   |         ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]   --> src/lib.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 |     use std::time::{Duration};
[INFO] [stderr]    |                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::min`
[INFO] [stderr]  --> src/lib.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     use std::cmp::min;
[INFO] [stderr]   |         ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]   --> src/lib.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 |     use std::time::{Duration};
[INFO] [stderr]    |                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `g` is never read
[INFO] [stderr]    --> src/lib.rs:128:17
[INFO] [stderr]     |
[INFO] [stderr] 128 |                 g = &(g * (1.0 - config.ro));
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `visited_targets_counter` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/lib.rs:94:29
[INFO] [stderr]    |
[INFO] [stderr] 93 |                         if let Some(v) = visited_targets_counter.get(&mut i) {
[INFO] [stderr]    |                                          ----------------------- immutable borrow occurs here
[INFO] [stderr] 94 |                             visited_targets_counter.insert(i, *v + 1);
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^           -- immutable borrow later used here
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             mutable borrow occurs here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `g` is never read
[INFO] [stderr]    --> src/lib.rs:128:17
[INFO] [stderr]     |
[INFO] [stderr] 128 |                 g = &(g * (1.0 - config.ro));
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `visited_targets_counter` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/lib.rs:94:29
[INFO] [stderr]    |
[INFO] [stderr] 93 |                         if let Some(v) = visited_targets_counter.get(&mut i) {
[INFO] [stderr]    |                                          ----------------------- immutable borrow occurs here
[INFO] [stderr] 94 |                             visited_targets_counter.insert(i, *v + 1);
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^           -- immutable borrow later used here
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             mutable borrow occurs here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::prelude::*`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `gen_graph`
[INFO] [stderr]  --> src/main.rs:4:66
[INFO] [stderr]   |
[INFO] [stderr] 4 | use ant_alg::ants_algs::{Config, get_possibly_shortest_way_sync, gen_graph};
[INFO] [stderr]   |                                                                  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::prelude::*`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `gen_graph`
[INFO] [stderr]  --> src/main.rs:4:66
[INFO] [stderr]   |
[INFO] [stderr] 4 | use ant_alg::ants_algs::{Config, get_possibly_shortest_way_sync, gen_graph};
[INFO] [stderr]   |                                                                  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.57s
[INFO] running `"docker" "inspect" "5785515bd38271b9db42cde62f7f5bed05ef1199bbe5166b42542b7f330dfbdf"`
[INFO] running `"docker" "rm" "-f" "5785515bd38271b9db42cde62f7f5bed05ef1199bbe5166b42542b7f330dfbdf"`
[INFO] [stdout] 5785515bd38271b9db42cde62f7f5bed05ef1199bbe5166b42542b7f330dfbdf