[INFO] cloning repository https://github.com/amuricys/sars
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amuricys/sars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famuricys%2Fsars", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famuricys%2Fsars'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 913e845b937e32d60f81e4fc88ec8bca91367822
[INFO] testing amuricys/sars against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famuricys%2Fsars" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amuricys/sars on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/amuricys/sars
[INFO] finished tweaking git repo https://github.com/amuricys/sars
[INFO] tweaked toml for git repo https://github.com/amuricys/sars written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/amuricys/sars already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da45e9352f986e2e6f908dfaee735c1cab43a4c33eb46d6877aa86fb7e822b38
[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" "da45e9352f986e2e6f908dfaee735c1cab43a4c33eb46d6877aa86fb7e822b38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da45e9352f986e2e6f908dfaee735c1cab43a4c33eb46d6877aa86fb7e822b38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da45e9352f986e2e6f908dfaee735c1cab43a4c33eb46d6877aa86fb7e822b38", kill_on_drop: false }`
[INFO] [stdout] da45e9352f986e2e6f908dfaee735c1cab43a4c33eb46d6877aa86fb7e822b38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=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-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7915520494bcdd90972b2130056f83efe1dfbb17f3f604a1eba52d1512a05b99
[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" "7915520494bcdd90972b2130056f83efe1dfbb17f3f604a1eba52d1512a05b99", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling bytemuck v1.3.0
[INFO] [stderr]    Compiling piston-texture v0.8.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling tiff v0.5.0
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling piston2d-graphics v0.36.0
[INFO] [stderr]    Compiling png v0.16.7
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling wayland-commons v0.21.13
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling image v0.23.7
[INFO] [stderr]    Compiling pistoncore-input v1.0.0
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.72.0
[INFO] [stderr]    Compiling pistoncore-window v0.46.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.51.0
[INFO] [stderr]    Compiling piston v0.51.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling winit v0.19.5
[INFO] [stderr]    Compiling glutin v0.21.2
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.65.0
[INFO] [stderr]    Compiling sars v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `piston::input::keyboard::Key::Out`
[INFO] [stdout]  --> src/simulated_annealing.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use piston::input::keyboard::Key::Out;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `render_line_list`
[INFO] [stdout]   --> src/renderer.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn render_line_list(lines: &Vec<(f64, f64, f64, f64)>,
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `smooth_change_out`
[INFO] [stdout]   --> src/graph_change.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn smooth_change_out(g: &Graph, change: NodeChange, how_smooth: f64) -> Vec<NodeChange> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `perimeter`
[INFO] [stdout]   --> src/graph.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn perimeter(g: &Graph) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/graph_change.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         apply_change(g, change.clone());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/graph_change.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         revert_change(g, change.clone());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `Command { std: "docker" "inspect" "7915520494bcdd90972b2130056f83efe1dfbb17f3f604a1eba52d1512a05b99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7915520494bcdd90972b2130056f83efe1dfbb17f3f604a1eba52d1512a05b99", kill_on_drop: false }`
[INFO] [stdout] 7915520494bcdd90972b2130056f83efe1dfbb17f3f604a1eba52d1512a05b99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=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-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd3fd118c2e1f79c73eb1eae4042b3d5b8bce2313a00101f6b29e4de130b2512
[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" "bd3fd118c2e1f79c73eb1eae4042b3d5b8bce2313a00101f6b29e4de130b2512", kill_on_drop: false }`
[INFO] [stderr]    Compiling sars v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `piston::input::keyboard::Key::Out`
[INFO] [stdout]  --> src/simulated_annealing.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use piston::input::keyboard::Key::Out;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `render_line_list`
[INFO] [stdout]   --> src/renderer.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn render_line_list(lines: &Vec<(f64, f64, f64, f64)>,
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `smooth_change_out`
[INFO] [stdout]   --> src/graph_change.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn smooth_change_out(g: &Graph, change: NodeChange, how_smooth: f64) -> Vec<NodeChange> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/graph_change.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         apply_change(g, change.clone());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/graph_change.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         revert_change(g, change.clone());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/graph_change.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |         apply_change(&mut test_circ, change);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/graph_change.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 246 |         revert_change(&mut test_circ, change);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/graph_change.rs:263:9
[INFO] [stdout]     |
[INFO] [stdout] 263 |         apply_change(&mut test_circ, change);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.60s
[INFO] running `Command { std: "docker" "inspect" "bd3fd118c2e1f79c73eb1eae4042b3d5b8bce2313a00101f6b29e4de130b2512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd3fd118c2e1f79c73eb1eae4042b3d5b8bce2313a00101f6b29e4de130b2512", kill_on_drop: false }`
[INFO] [stdout] bd3fd118c2e1f79c73eb1eae4042b3d5b8bce2313a00101f6b29e4de130b2512
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=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-2020-10-09" "test" "--frozen", 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] 8242ee9fd67d37e4916b22c95353b985e876f1f0219ccd1df987e7855c1a4fb5
[INFO] running `Command { std: "docker" "start" "-a" "8242ee9fd67d37e4916b22c95353b985e876f1f0219ccd1df987e7855c1a4fb5", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `piston::input::keyboard::Key::Out`
[INFO] [stderr]  --> src/simulated_annealing.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use piston::input::keyboard::Key::Out;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `render_line_list`
[INFO] [stderr]   --> src/renderer.rs:83:8
[INFO] [stderr]    |
[INFO] [stderr] 83 | pub fn render_line_list(lines: &Vec<(f64, f64, f64, f64)>,
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `smooth_change_out`
[INFO] [stderr]   --> src/graph_change.rs:62:8
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub fn smooth_change_out(g: &Graph, change: NodeChange, how_smooth: f64) -> Vec<NodeChange> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/graph_change.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         apply_change(g, change.clone());
[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/graph_change.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         revert_change(g, change.clone());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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/graph_change.rs:241:9
[INFO] [stderr]     |
[INFO] [stderr] 241 |         apply_change(&mut test_circ, change);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/graph_change.rs:246:9
[INFO] [stderr]     |
[INFO] [stderr] 246 |         revert_change(&mut test_circ, change);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/graph_change.rs:263:9
[INFO] [stderr]     |
[INFO] [stderr] 263 |         apply_change(&mut test_circ, change);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sars-c770796d6442865f
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test vector_2d_helpers::tests::intersection_is_calculated_correctly ... ok
[INFO] [stdout] test vector_2d_helpers::tests::direction_for_inner_push_is_correct ... ok
[INFO] [stdout] test graph_change::tests::change_is_applied_and_reversed ... ok
[INFO] [stdout] test graph::tests::we_go_around ... ok
[INFO] [stdout] test graph::tests::correspondences ... ok
[INFO] [stdout] test graph::tests::circular_area ... ok
[INFO] [stdout] test graph::tests::circular_perimeter ... ok
[INFO] [stdout] test graph_change::tests::random_node_is_changed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8242ee9fd67d37e4916b22c95353b985e876f1f0219ccd1df987e7855c1a4fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8242ee9fd67d37e4916b22c95353b985e876f1f0219ccd1df987e7855c1a4fb5", kill_on_drop: false }`
[INFO] [stdout] 8242ee9fd67d37e4916b22c95353b985e876f1f0219ccd1df987e7855c1a4fb5
