[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] 6e2ae21c2cf1afb116579ab7b8f8e66d827d28a6 [INFO] checking amuricys/sars against try#1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73 for pr-78461 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famuricys%2Fsars" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/amuricys/sars on toolchain 1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "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-11/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" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pistoncore-window v0.46.0 [INFO] [stderr] Downloaded pistoncore-event_loop v0.51.0 [INFO] [stderr] Downloaded piston v0.51.0 [INFO] [stderr] Downloaded float-cmp v0.8.0 [INFO] [stderr] Downloaded piston2d-opengl_graphics v0.72.0 [INFO] [stderr] Downloaded pistoncore-glutin_window v0.65.0 [INFO] [stderr] Downloaded bytemuck v1.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a7ce193dded5d7e053cfb0b2bb0ffeeec12355abb96e95fe52fa39ea29ad36a5 [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" "a7ce193dded5d7e053cfb0b2bb0ffeeec12355abb96e95fe52fa39ea29ad36a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a7ce193dded5d7e053cfb0b2bb0ffeeec12355abb96e95fe52fa39ea29ad36a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7ce193dded5d7e053cfb0b2bb0ffeeec12355abb96e95fe52fa39ea29ad36a5", kill_on_drop: false }` [INFO] [stdout] a7ce193dded5d7e053cfb0b2bb0ffeeec12355abb96e95fe52fa39ea29ad36a5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bb01a79e28520d3912b6f404314bd3f4cb89b6c75cd9ae8e45494a5ce4536e53 [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" "bb01a79e28520d3912b6f404314bd3f4cb89b6c75cd9ae8e45494a5ce4536e53", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking piston-float v1.0.0 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling syn v1.0.35 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Checking piston-graphics_api_version v0.2.0 [INFO] [stderr] Checking xml-rs v0.8.3 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking read_color v1.0.0 [INFO] [stderr] Checking piston-texture v0.8.0 [INFO] [stderr] Checking bytemuck v1.3.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking piston-shaders_graphics2d v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling rayon v1.3.1 [INFO] [stderr] Compiling num-rational v0.3.0 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Checking piston-viewport v1.0.0 [INFO] [stderr] Checking vecmath v1.0.0 [INFO] [stderr] Checking shader_version v0.6.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking wayland-sys v0.21.13 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Compiling gl_generator v0.13.1 [INFO] [stderr] Compiling gl_generator v0.10.0 [INFO] [stderr] Checking stb_truetype v0.3.1 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking tiff v0.5.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking x11-dl v2.18.5 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking raw-window-handle v0.3.3 [INFO] [stderr] Checking shared_library v0.1.9 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking rayon-core v1.7.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking png v0.16.7 [INFO] [stderr] Checking osmesa-sys v0.1.2 [INFO] [stderr] Compiling wayland-scanner v0.21.13 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking ordered-float v1.1.0 [INFO] [stderr] Checking line_drawing v0.7.0 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Compiling gl v0.11.0 [INFO] [stderr] Checking rusttype v0.8.3 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling glutin_glx_sys v0.1.6 [INFO] [stderr] Compiling glutin_egl_sys v0.1.4 [INFO] [stderr] Checking rusttype v0.7.9 [INFO] [stderr] Checking piston2d-graphics v0.36.0 [INFO] [stderr] Checking andrew v0.2.1 [INFO] [stderr] Compiling wayland-client v0.21.13 [INFO] [stderr] Compiling wayland-protocols v0.21.13 [INFO] [stderr] Checking toml v0.5.7 [INFO] [stderr] Checking jpeg-decoder v0.1.20 [INFO] [stderr] Checking wayland-commons v0.21.13 [INFO] [stderr] Checking image v0.23.7 [INFO] [stderr] Checking piston2d-opengl_graphics v0.72.0 [INFO] [stderr] Checking smithay-client-toolkit v0.4.6 [INFO] [stderr] Checking pistoncore-input v1.0.0 [INFO] [stderr] Checking winit v0.19.5 [INFO] [stderr] Checking pistoncore-window v0.46.0 [INFO] [stderr] Checking pistoncore-event_loop v0.51.0 [INFO] [stderr] Checking piston v0.51.0 [INFO] [stderr] Checking glutin v0.21.2 [INFO] [stderr] Checking pistoncore-glutin_window v0.65.0 [INFO] [stderr] Checking 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: 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: `node_addition_effects` [INFO] [stdout] --> src/simulated_annealing.rs:59:4 [INFO] [stdout] | [INFO] [stdout] 59 | fn node_addition_effects(ts: &mut ThickSurface, addition_threshold: 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: `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] [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 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `FirstToSecond` [INFO] [stdout] --> src/graph_change.rs:130:5 [INFO] [stdout] | [INFO] [stdout] 130 | FirstToSecond, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `SecondToFirst` [INFO] [stdout] --> src/graph_change.rs:131:5 [INFO] [stdout] | [INFO] [stdout] 131 | SecondToFirst, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `NotNeighbors` [INFO] [stdout] --> src/graph_change.rs:132:5 [INFO] [stdout] | [INFO] [stdout] 132 | NotNeighbors [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `neighborly_status` [INFO] [stdout] --> src/graph_change.rs:135:4 [INFO] [stdout] | [INFO] [stdout] 135 | fn neighborly_status(g: &Graph, id1: usize, id2: usize) -> NeighborlyStatus { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `lookup_node_id` [INFO] [stdout] --> src/graph_change.rs:145:4 [INFO] [stdout] | [INFO] [stdout] 145 | fn lookup_node_id(g: &Graph) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `lookup_edge_id` [INFO] [stdout] --> src/graph_change.rs:150:4 [INFO] [stdout] | [INFO] [stdout] 150 | fn lookup_edge_id(g: &Graph) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `add_node_` [INFO] [stdout] --> src/graph_change.rs:155:4 [INFO] [stdout] | [INFO] [stdout] 155 | fn add_node_(g: &mut Graph, left_id: usize, right_id: usize){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `add_node` [INFO] [stdout] --> src/graph_change.rs:177:8 [INFO] [stdout] | [INFO] [stdout] 177 | pub fn add_node(g: &mut Graph, id1: usize, id2: usize) -> Result<(), &str>{ [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: function is never used: `node_addition_effects` [INFO] [stdout] --> src/simulated_annealing.rs:59:4 [INFO] [stdout] | [INFO] [stdout] 59 | fn node_addition_effects(ts: &mut ThickSurface, addition_threshold: 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: `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] [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 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `FirstToSecond` [INFO] [stdout] --> src/graph_change.rs:130:5 [INFO] [stdout] | [INFO] [stdout] 130 | FirstToSecond, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `SecondToFirst` [INFO] [stdout] --> src/graph_change.rs:131:5 [INFO] [stdout] | [INFO] [stdout] 131 | SecondToFirst, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `NotNeighbors` [INFO] [stdout] --> src/graph_change.rs:132:5 [INFO] [stdout] | [INFO] [stdout] 132 | NotNeighbors [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `neighborly_status` [INFO] [stdout] --> src/graph_change.rs:135:4 [INFO] [stdout] | [INFO] [stdout] 135 | fn neighborly_status(g: &Graph, id1: usize, id2: usize) -> NeighborlyStatus { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `lookup_node_id` [INFO] [stdout] --> src/graph_change.rs:145:4 [INFO] [stdout] | [INFO] [stdout] 145 | fn lookup_node_id(g: &Graph) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `lookup_edge_id` [INFO] [stdout] --> src/graph_change.rs:150:4 [INFO] [stdout] | [INFO] [stdout] 150 | fn lookup_edge_id(g: &Graph) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `add_node_` [INFO] [stdout] --> src/graph_change.rs:155:4 [INFO] [stdout] | [INFO] [stdout] 155 | fn add_node_(g: &mut Graph, left_id: usize, right_id: usize){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `add_node` [INFO] [stdout] --> src/graph_change.rs:177:8 [INFO] [stdout] | [INFO] [stdout] 177 | pub fn add_node(g: &mut Graph, id1: usize, id2: usize) -> Result<(), &str>{ [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: 15 warnings emitted [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:220:9 [INFO] [stdout] | [INFO] [stdout] 220 | 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:225:9 [INFO] [stdout] | [INFO] [stdout] 225 | 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:242:9 [INFO] [stdout] | [INFO] [stdout] 242 | 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: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 03s [INFO] running `Command { std: "docker" "inspect" "bb01a79e28520d3912b6f404314bd3f4cb89b6c75cd9ae8e45494a5ce4536e53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb01a79e28520d3912b6f404314bd3f4cb89b6c75cd9ae8e45494a5ce4536e53", kill_on_drop: false }` [INFO] [stdout] bb01a79e28520d3912b6f404314bd3f4cb89b6c75cd9ae8e45494a5ce4536e53