[INFO] updating cached repository https://github.com/kirisaki/ga-tsp
[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] 3ee440bbc4ad8aaa59b6f5b1192447591635a9c6
[INFO] testing kirisaki/ga-tsp against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirisaki%2Fga-tsp" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kirisaki/ga-tsp on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kirisaki/ga-tsp
[INFO] finished tweaking git repo https://github.com/kirisaki/ga-tsp
[INFO] tweaked toml for git repo https://github.com/kirisaki/ga-tsp written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/kirisaki/ga-tsp already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 93d83239a50a80859a94d2719b66bfa4139e0e3718e59ec5dd35d5b7cbdf5c10
[INFO] running `"docker" "start" "-a" "93d83239a50a80859a94d2719b66bfa4139e0e3718e59ec5dd35d5b7cbdf5c10"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling ga-tsp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/main.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         ((self.x - b.x).powi(2i32) + (self.y - b.y).powi(2i32))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:226:5
[INFO] [stderr]     |
[INFO] [stderr] 226 |     world.crossover_rate(0.6);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:227:5
[INFO] [stderr]     |
[INFO] [stderr] 227 |     world.mutation_rate(0.05);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.54s
[INFO] running `"docker" "inspect" "93d83239a50a80859a94d2719b66bfa4139e0e3718e59ec5dd35d5b7cbdf5c10"`
[INFO] running `"docker" "rm" "-f" "93d83239a50a80859a94d2719b66bfa4139e0e3718e59ec5dd35d5b7cbdf5c10"`
[INFO] [stdout] 93d83239a50a80859a94d2719b66bfa4139e0e3718e59ec5dd35d5b7cbdf5c10
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 779f79eb99f8153981783ba41794f47d3c25e6a92abb600d9cc4d0c459379a3d
[INFO] running `"docker" "start" "-a" "779f79eb99f8153981783ba41794f47d3c25e6a92abb600d9cc4d0c459379a3d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling ga-tsp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/main.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         ((self.x - b.x).powi(2i32) + (self.y - b.y).powi(2i32))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:226:5
[INFO] [stderr]     |
[INFO] [stderr] 226 |     world.crossover_rate(0.6);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:227:5
[INFO] [stderr]     |
[INFO] [stderr] 227 |     world.mutation_rate(0.05);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `"docker" "inspect" "779f79eb99f8153981783ba41794f47d3c25e6a92abb600d9cc4d0c459379a3d"`
[INFO] running `"docker" "rm" "-f" "779f79eb99f8153981783ba41794f47d3c25e6a92abb600d9cc4d0c459379a3d"`
[INFO] [stdout] 779f79eb99f8153981783ba41794f47d3c25e6a92abb600d9cc4d0c459379a3d
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 02aea44e4688c0206f8b4958ce1ca0934a979ac9d74640dbb8a5a43e00ba5d3c
[INFO] running `"docker" "start" "-a" "02aea44e4688c0206f8b4958ce1ca0934a979ac9d74640dbb8a5a43e00ba5d3c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/main.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         ((self.x - b.x).powi(2i32) + (self.y - b.y).powi(2i32))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:226:5
[INFO] [stderr]     |
[INFO] [stderr] 226 |     world.crossover_rate(0.6);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:227:5
[INFO] [stderr]     |
[INFO] [stderr] 227 |     world.mutation_rate(0.05);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ga_tsp-34fa96f8c822936c
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::dist_nodes ... ok
[INFO] [stdout] test tests::cost ... ok
[INFO] [stdout] test tests::cost_failed ... ok
[INFO] [stdout] test tests::mutate_gene ... ok
[INFO] [stdout] test tests::dist_node ... ok
[INFO] [stdout] test tests::dist_nodes_not_exist ... ok
[INFO] [stdout] test tests::test_order ... ok
[INFO] [stdout] test tests::crossover_gene ... ok
[INFO] [stdout] test tests::new_gene ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "02aea44e4688c0206f8b4958ce1ca0934a979ac9d74640dbb8a5a43e00ba5d3c"`
[INFO] running `"docker" "rm" "-f" "02aea44e4688c0206f8b4958ce1ca0934a979ac9d74640dbb8a5a43e00ba5d3c"`
[INFO] [stdout] 02aea44e4688c0206f8b4958ce1ca0934a979ac9d74640dbb8a5a43e00ba5d3c