[INFO] fetching crate icentral-graph 0.1.0...
[INFO] checking icentral-graph-0.1.0 against try#d8be25549d5418405531341b4be6d8538fc3c42e for pr-156160
[INFO] extracting crate icentral-graph 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate icentral-graph 0.1.0
[INFO] finished tweaking crates.io crate icentral-graph 0.1.0
[INFO] tweaked toml for crates.io crate icentral-graph 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate icentral-graph 0.1.0 on toolchain d8be25549d5418405531341b4be6d8538fc3c42e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate icentral-graph 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 41a0a63bc25a1b4c312e2cb4574df8f2ff202413204754205be7a43895b84af8
[INFO] running `Command { std: "docker" "start" "41a0a63bc25a1b4c312e2cb4574df8f2ff202413204754205be7a43895b84af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "41a0a63bc25a1b4c312e2cb4574df8f2ff202413204754205be7a43895b84af8" "/opt/rustwide/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41a0a63bc25a1b4c312e2cb4574df8f2ff202413204754205be7a43895b84af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "41a0a63bc25a1b4c312e2cb4574df8f2ff202413204754205be7a43895b84af8" "/opt/rustwide/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking icentral-path-counts v0.1.0
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[INFO] [stderr]     Checking icentral-articulation-point-map v0.1.0
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[INFO] [stderr]     Checking icentral-articulation-point v0.1.0
[INFO] [stderr]     Checking icentral-edges v0.1.0
[INFO] [stderr]     Checking icentral-bcc v0.1.0
[INFO] [stderr]     Checking icentral-cycle v0.1.0
[INFO] [stderr]     Checking icentral-graph-interface v0.1.0
[INFO] [stderr]     Checking icentral-parents-map v0.1.0
[INFO] [stderr]     Checking icentral-scores v0.1.0
[INFO] [stderr]     Checking icentral-mucid-map v0.1.0
[INFO] [stderr]     Checking icentral-mock v0.1.0
[INFO] [stderr]     Checking icentral-bridge-edges v0.1.0
[INFO] [stderr]     Checking icentral-subgraph v0.1.0
[INFO] [stderr]     Checking icentral-bc-mem v0.1.0
[INFO] [stderr]     Checking icentral-component v0.1.0
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[INFO] [stderr]     Checking icentral-brandes v0.1.0
[INFO] [stderr]     Checking icentral-muc v0.1.0
[INFO] [stderr]     Checking icentral-delta v0.1.0
[INFO] [stderr]     Checking icentral-graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/create_random_connected.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |           /// every node will at least show up once
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 25 | /         for node_idx in 0..n_vertices {
[INFO] [stdout] 26 | |             nodes.push(node_idx);
[INFO] [stdout] 27 | |         }
[INFO] [stdout]    | |_________- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/find_edge_bcc_with_delta.rs:97:54
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let mut subgraph_sz_vec: Vec<usize> = vec![];;
[INFO] [stdout]    |                                                      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/graph.rs:222:66
[INFO] [stdout]     |
[INFO] [stdout] 222 |         builder.field("scores",              &self.scores.len());;
[INFO] [stdout]     |                                                                  ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/init_internals.rs:15:34
[INFO] [stdout]    |
[INFO] [stdout] 15 |         self.bc_computed = false;;
[INFO] [stdout]    |                                  ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/insert_edge_and_update_muc.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout]  1 | / /// His disciples asked him: "What should we do for our work to be perfect?"
[INFO] [stdout]  2 | | ///
[INFO] [stdout]  3 | | /// The master said to them: "be ready in every circumstance. Blessed are they
[INFO] [stdout]  4 | | /// who have found the strife, and who have seen the struggle with their eyes. 
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | | /// - the dialogue of the savior.
[INFO] [stdout] 28 | | ///
[INFO] [stdout]    | |_--^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/insert_edge_and_update_muc.rs:91:32
[INFO] [stdout]    |
[INFO] [stdout] 91 |         self.find_conn_verts();;
[INFO] [stdout]    |                                ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/create_random_connected.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |           /// every node will at least show up once
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 25 | /         for node_idx in 0..n_vertices {
[INFO] [stdout] 26 | |             nodes.push(node_idx);
[INFO] [stdout] 27 | |         }
[INFO] [stdout]    | |_________- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/find_edge_bcc_with_delta.rs:97:54
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let mut subgraph_sz_vec: Vec<usize> = vec![];;
[INFO] [stdout]    |                                                      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/graph.rs:222:66
[INFO] [stdout]     |
[INFO] [stdout] 222 |         builder.field("scores",              &self.scores.len());;
[INFO] [stdout]     |                                                                  ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/init_internals.rs:15:34
[INFO] [stdout]    |
[INFO] [stdout] 15 |         self.bc_computed = false;;
[INFO] [stdout]    |                                  ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/insert_edge_and_update_muc.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout]  1 | / /// His disciples asked him: "What should we do for our work to be perfect?"
[INFO] [stdout]  2 | | ///
[INFO] [stdout]  3 | | /// The master said to them: "be ready in every circumstance. Blessed are they
[INFO] [stdout]  4 | | /// who have found the strife, and who have seen the struggle with their eyes. 
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | | /// - the dialogue of the savior.
[INFO] [stdout] 28 | | ///
[INFO] [stdout]    | |_--^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/insert_edge_and_update_muc.rs:91:32
[INFO] [stdout]    |
[INFO] [stdout] 91 |         self.find_conn_verts();;
[INFO] [stdout]    |                                ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/build_graph_hash_mapping_for_conn_vertex.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         item:       (NodeId, &Vec<NodeId>),
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `muc_id`
[INFO] [stdout]   --> src/build_graph_hash_mapping_for_conn_vertex.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         muc_id:     MinimumUnionCycleId) 
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_muc_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/connected_component_size.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut stack: Stack<NodeId> = default!();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/find_edge_bcc_with_component.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         e:         &Edge) 
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edge`
[INFO] [stdout]   --> src/find_edge_bcc_with_delta.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         edge: &Edge)
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_edge`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edge`
[INFO] [stdout]   --> src/find_edge_bcc_with_scratch.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         edge: &Edge)
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_edge`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/find_muc_subgraphs.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |         if let conn_vertex_map = muc.vertex_map()? {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/find_mucs.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut bridge_vec: Vec<Edge> = self.find_bridge_edges::<GH>();
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/find_mucs.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut conn_comp_vec: Vec<GH> = gh.find_conn_comp()?;
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/build_graph_hash_mapping_for_conn_vertex.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         item:       (NodeId, &Vec<NodeId>),
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `muc_id`
[INFO] [stdout]   --> src/build_graph_hash_mapping_for_conn_vertex.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         muc_id:     MinimumUnionCycleId) 
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_muc_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/insert_edge_and_update_muc.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let mut shortest_path = self.get_shortest_path(
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/merge_muc_cycle.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |             let mut src: NodeId = cycle[i].src;
[INFO] [stdout]    |                 ----^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/merge_muc_cycle.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |             let mut dst: NodeId = cycle[i].dst;
[INFO] [stdout]    |                 ----^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/connected_component_size.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut stack: Stack<NodeId> = default!();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/read_graph.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         for i in 0..m {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/find_edge_bcc_with_component.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         e:         &Edge) 
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edge`
[INFO] [stdout]   --> src/find_edge_bcc_with_delta.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         edge: &Edge)
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_edge`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edge`
[INFO] [stdout]   --> src/find_edge_bcc_with_scratch.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         edge: &Edge)
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_edge`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/find_muc_subgraphs.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |         if let conn_vertex_map = muc.vertex_map()? {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/approx_brandes_iteration_runtime_on_bcc_subgraph.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         self.find_edge_bcc_with_scratch(&mut bcc, &Edge::new(src,dst));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let _ = self.find_edge_bcc_with_scratch(&mut bcc, &Edge::new(src,dst));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/approx_brandes_iteration_runtime_on_bcc_subgraph.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         bcc.compute_bc(&mut scores, Some(num_iter));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let _ = bcc.compute_bc(&mut scores, Some(num_iter));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/build_graph_hash_mapping_for_conn_vertex.rs:49:25
[INFO] [stdout]    |
[INFO] [stdout] 49 |                         gh.insert_edge(&Edge::new(node, bfs_nbr));
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |                         let _ = gh.insert_edge(&Edge::new(node, bfs_nbr));
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/connect_node_ids.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         self.insert_edge(&Edge::new(src,dst));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let _ = self.insert_edge(&Edge::new(src,dst));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/create_and_push_new_muc.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | /         merge_mucs(
[INFO] [stdout] 35 | |             &mut self.nodes_to_mucs,
[INFO] [stdout] 36 | |             &mut new_muc, 
[INFO] [stdout] 37 | |             &mut self.mucs[dst_muc_id.val()]
[INFO] [stdout] 38 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let _ = merge_mucs(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/create_and_push_new_muc.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | /         merge_mucs(
[INFO] [stdout] 41 | |             &mut self.nodes_to_mucs,
[INFO] [stdout] 42 | |             &mut new_muc, 
[INFO] [stdout] 43 | |             &mut self.mucs[src_muc_id.val()]
[INFO] [stdout] 44 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let _ = merge_mucs(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/create_and_push_new_muc.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 | /                 merge_mucs(
[INFO] [stdout] 53 | |                     &mut self.nodes_to_mucs,
[INFO] [stdout] 54 | |                     &mut new_muc, 
[INFO] [stdout] 55 | |                     &mut self.mucs[node_muc_id.val()]
[INFO] [stdout] 56 | |                 );
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 let _ = merge_mucs(
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/find_mucs.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut bridge_vec: Vec<Edge> = self.find_bridge_edges::<GH>();
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/create_and_push_new_muc.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         new_muc.insert_edge(&edge);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let _ = new_muc.insert_edge(&edge);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/find_mucs.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut conn_comp_vec: Vec<GH> = gh.find_conn_comp()?;
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/create_random_connected.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             graph.insert_edge(&rand_edge);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |             let _ = graph.insert_edge(&rand_edge);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/find_all_muc_subgraphs.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             self.find_muc_subgraphs(mucid![m]);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 35 |             let _ = self.find_muc_subgraphs(mucid![m]);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/find_edge_bcc_with_component.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         self.insert_edge(e);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let _ = self.insert_edge(e);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/find_edge_bcc_with_component.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         self.find_edge_bcc_subgraph(&mut gh, e);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let _ = self.find_edge_bcc_subgraph(&mut gh, e);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/find_edge_bcc_with_component.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         gh.remove_edge(e);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let _ = gh.remove_edge(e);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/find_edge_bcc_with_component.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         self.remove_edge(e);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let _ = self.remove_edge(e);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/find_edge_bcc_with_delta.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         self.find_edge_bcc_subgraph(bcc.bcc_subgraph_mut(), &edge);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let _ = self.find_edge_bcc_subgraph(bcc.bcc_subgraph_mut(), &edge);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/find_edge_bcc_with_scratch.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         self.find_edge_bcc_subgraph(bcc.bcc_subgraph_mut(), &edge);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let _ = self.find_edge_bcc_subgraph(bcc.bcc_subgraph_mut(), &edge);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/find_muc_mcb.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 | /                 self.find_muc_mcb_for_cycle(
[INFO] [stdout] 53 | |                     idx, 
[INFO] [stdout] 54 | |                     &cycle_graph, 
[INFO] [stdout] 55 | |                     &mut visit_markers
[INFO] [stdout] 56 | |                 );
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 let _ = self.find_muc_mcb_for_cycle(
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/find_muc_mcb.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         self.find_conn_verts();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let _ = self.find_conn_verts();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/find_mucs.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         self.find_conn_verts();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let _ = self.find_conn_verts();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/find_mucs.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         self.find_mucs_fast();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let _ = self.find_mucs_fast();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/from_filename.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         g.read_graph(filename);
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let _ = g.read_graph(filename);
[INFO] [stdout]   |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/graph.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     delegate_to_neighbors_map!{}
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let _ = delegate_to_neighbors_map!{}
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/graph.rs:188:34
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn get_mucs<'a>(&'a self) -> &Vec<MinimumUnionCycle<GH>> {
[INFO] [stdout]     |                      --          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn get_mucs<'a>(&'a self) -> &'a Vec<MinimumUnionCycle<GH>> {
[INFO] [stdout]     |                                   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/init_with_size.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         self.init_internals();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let _ = self.init_internals();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/insert_edge_and_update_bc.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         self.insert_edge(&edge);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let _ = self.insert_edge(&edge);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/insert_edge_and_update_bc.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         self.find_edge_bcc_with_delta(&mut bcc,&edge);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let _ = self.find_edge_bcc_with_delta(&mut bcc,&edge);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/insert_edge_and_update_bc.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 | /             bcc.compute_bc_maxiter_exp(
[INFO] [stdout] 67 | |                 &mut self.scores, 
[INFO] [stdout] 68 | |                 edge.src, 
[INFO] [stdout] 69 | |                 edge.dst, 
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | |                 max_iter_d2
[INFO] [stdout] 73 | |             );
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let _ = bcc.compute_bc_maxiter_exp(
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/insert_edge_and_update_bc.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 | /             bcc.compute_bc_exp(
[INFO] [stdout] 78 | |                 &mut self.scores, 
[INFO] [stdout] 79 | |                 edge.src, 
[INFO] [stdout] 80 | |                 edge.dst, 
[INFO] [stdout] ...  |
[INFO] [stdout] 83 | |                 max_iter_d2
[INFO] [stdout] 84 | |             );
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |             let _ = bcc.compute_bc_exp(
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/insert_edge_and_update_bc.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         bcc.bcc_subgraph_remove_edge(&edge);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let _ = bcc.bcc_subgraph_remove_edge(&edge);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/insert_edge_and_update_muc.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         self.mucs[src_muc_id.val()].insert_edge(&edge);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let _ = self.mucs[src_muc_id.val()].insert_edge(&edge);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/insert_edge_and_update_muc.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         self.insert_edge(&edge);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let _ = self.insert_edge(&edge);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/insert_edge_and_update_muc.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         self.insert_edge(&edge);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let _ = self.insert_edge(&edge);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/insert_edge_and_update_muc.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         self.find_conn_verts();;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let _ = self.find_conn_verts();;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/insert_edge_and_update_muc.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         self.find_muc_subgraphs(id);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let _ = self.find_muc_subgraphs(id);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/insert_edge_and_update_muc.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 | /             self.insert_edge_and_update_muc_when_we_are_not_in_the_same_muc(
[INFO] [stdout] 115 | |                 edge,
[INFO] [stdout] 116 | |                 src_muc_id,
[INFO] [stdout] 117 | |                 dst_muc_id
[INFO] [stdout] 118 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 114 |             let _ = self.insert_edge_and_update_muc_when_we_are_not_in_the_same_muc(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/merge_muc_cycle.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |             muc.insert_edge(&Edge::new(src, dst));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 32 |             let _ = muc.insert_edge(&Edge::new(src, dst));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/subtract_edge.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         self.mucs[muc1_id.val()].insert_conn_vertex(bridge_edge.src, bridge_edge.dst);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let _ = self.mucs[muc1_id.val()].insert_conn_vertex(bridge_edge.src, bridge_edge.dst);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/subtract_edge.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         self.mucs[muc2_id.val()].insert_conn_vertex(bridge_edge.dst, bridge_edge.src);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let _ = self.mucs[muc2_id.val()].insert_conn_vertex(bridge_edge.dst, bridge_edge.src);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/insert_edge_and_update_muc.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let mut shortest_path = self.get_shortest_path(
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/merge_muc_cycle.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |             let mut src: NodeId = cycle[i].src;
[INFO] [stdout]    |                 ----^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/merge_muc_cycle.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |             let mut dst: NodeId = cycle[i].dst;
[INFO] [stdout]    |                 ----^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/read_graph.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         for i in 0..m {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/approx_brandes_iteration_runtime_on_bcc_subgraph.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         self.find_edge_bcc_with_scratch(&mut bcc, &Edge::new(src,dst));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let _ = self.find_edge_bcc_with_scratch(&mut bcc, &Edge::new(src,dst));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/approx_brandes_iteration_runtime_on_bcc_subgraph.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         bcc.compute_bc(&mut scores, Some(num_iter));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let _ = bcc.compute_bc(&mut scores, Some(num_iter));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/build_graph_hash_mapping_for_conn_vertex.rs:49:25
[INFO] [stdout]    |
[INFO] [stdout] 49 |                         gh.insert_edge(&Edge::new(node, bfs_nbr));
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |                         let _ = gh.insert_edge(&Edge::new(node, bfs_nbr));
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/connect_node_ids.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         self.insert_edge(&Edge::new(src,dst));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let _ = self.insert_edge(&Edge::new(src,dst));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/create_and_push_new_muc.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | /         merge_mucs(
[INFO] [stdout] 35 | |             &mut self.nodes_to_mucs,
[INFO] [stdout] 36 | |             &mut new_muc, 
[INFO] [stdout] 37 | |             &mut self.mucs[dst_muc_id.val()]
[INFO] [stdout] 38 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let _ = merge_mucs(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/create_and_push_new_muc.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | /         merge_mucs(
[INFO] [stdout] 41 | |             &mut self.nodes_to_mucs,
[INFO] [stdout] 42 | |             &mut new_muc, 
[INFO] [stdout] 43 | |             &mut self.mucs[src_muc_id.val()]
[INFO] [stdout] 44 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let _ = merge_mucs(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/create_and_push_new_muc.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 | /                 merge_mucs(
[INFO] [stdout] 53 | |                     &mut self.nodes_to_mucs,
[INFO] [stdout] 54 | |                     &mut new_muc, 
[INFO] [stdout] 55 | |                     &mut self.mucs[node_muc_id.val()]
[INFO] [stdout] 56 | |                 );
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 let _ = merge_mucs(
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/create_and_push_new_muc.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         new_muc.insert_edge(&edge);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let _ = new_muc.insert_edge(&edge);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/create_random_connected.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             graph.insert_edge(&rand_edge);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |             let _ = graph.insert_edge(&rand_edge);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/find_all_muc_subgraphs.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             self.find_muc_subgraphs(mucid![m]);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 35 |             let _ = self.find_muc_subgraphs(mucid![m]);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/find_edge_bcc_with_component.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         self.insert_edge(e);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let _ = self.insert_edge(e);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/find_edge_bcc_with_component.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         self.find_edge_bcc_subgraph(&mut gh, e);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let _ = self.find_edge_bcc_subgraph(&mut gh, e);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/find_edge_bcc_with_component.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         gh.remove_edge(e);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let _ = gh.remove_edge(e);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/find_edge_bcc_with_component.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         self.remove_edge(e);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let _ = self.remove_edge(e);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/find_edge_bcc_with_delta.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         self.find_edge_bcc_subgraph(bcc.bcc_subgraph_mut(), &edge);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let _ = self.find_edge_bcc_subgraph(bcc.bcc_subgraph_mut(), &edge);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/find_edge_bcc_with_scratch.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         self.find_edge_bcc_subgraph(bcc.bcc_subgraph_mut(), &edge);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let _ = self.find_edge_bcc_subgraph(bcc.bcc_subgraph_mut(), &edge);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/find_muc_mcb.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 | /                 self.find_muc_mcb_for_cycle(
[INFO] [stdout] 53 | |                     idx, 
[INFO] [stdout] 54 | |                     &cycle_graph, 
[INFO] [stdout] 55 | |                     &mut visit_markers
[INFO] [stdout] 56 | |                 );
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 let _ = self.find_muc_mcb_for_cycle(
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/find_muc_mcb.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         self.find_conn_verts();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let _ = self.find_conn_verts();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/find_mucs.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         self.find_conn_verts();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let _ = self.find_conn_verts();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/find_mucs.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         self.find_mucs_fast();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let _ = self.find_mucs_fast();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/from_filename.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         g.read_graph(filename);
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let _ = g.read_graph(filename);
[INFO] [stdout]   |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/graph.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     delegate_to_neighbors_map!{}
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let _ = delegate_to_neighbors_map!{}
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/graph.rs:188:34
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn get_mucs<'a>(&'a self) -> &Vec<MinimumUnionCycle<GH>> {
[INFO] [stdout]     |                      --          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn get_mucs<'a>(&'a self) -> &'a Vec<MinimumUnionCycle<GH>> {
[INFO] [stdout]     |                                   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/init_with_size.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         self.init_internals();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let _ = self.init_internals();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/insert_edge_and_update_bc.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         self.insert_edge(&edge);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let _ = self.insert_edge(&edge);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/insert_edge_and_update_bc.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         self.find_edge_bcc_with_delta(&mut bcc,&edge);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let _ = self.find_edge_bcc_with_delta(&mut bcc,&edge);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/insert_edge_and_update_bc.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 | /             bcc.compute_bc_maxiter_exp(
[INFO] [stdout] 67 | |                 &mut self.scores, 
[INFO] [stdout] 68 | |                 edge.src, 
[INFO] [stdout] 69 | |                 edge.dst, 
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | |                 max_iter_d2
[INFO] [stdout] 73 | |             );
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let _ = bcc.compute_bc_maxiter_exp(
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/insert_edge_and_update_bc.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 | /             bcc.compute_bc_exp(
[INFO] [stdout] 78 | |                 &mut self.scores, 
[INFO] [stdout] 79 | |                 edge.src, 
[INFO] [stdout] 80 | |                 edge.dst, 
[INFO] [stdout] ...  |
[INFO] [stdout] 83 | |                 max_iter_d2
[INFO] [stdout] 84 | |             );
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |             let _ = bcc.compute_bc_exp(
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/insert_edge_and_update_bc.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         bcc.bcc_subgraph_remove_edge(&edge);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let _ = bcc.bcc_subgraph_remove_edge(&edge);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/insert_edge_and_update_muc.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         self.mucs[src_muc_id.val()].insert_edge(&edge);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let _ = self.mucs[src_muc_id.val()].insert_edge(&edge);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/insert_edge_and_update_muc.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         self.insert_edge(&edge);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let _ = self.insert_edge(&edge);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/insert_edge_and_update_muc.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         self.insert_edge(&edge);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let _ = self.insert_edge(&edge);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/insert_edge_and_update_muc.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         self.find_conn_verts();;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let _ = self.find_conn_verts();;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/insert_edge_and_update_muc.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         self.find_muc_subgraphs(id);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let _ = self.find_muc_subgraphs(id);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/insert_edge_and_update_muc.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 | /             self.insert_edge_and_update_muc_when_we_are_not_in_the_same_muc(
[INFO] [stdout] 115 | |                 edge,
[INFO] [stdout] 116 | |                 src_muc_id,
[INFO] [stdout] 117 | |                 dst_muc_id
[INFO] [stdout] 118 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 114 |             let _ = self.insert_edge_and_update_muc_when_we_are_not_in_the_same_muc(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/merge_muc_cycle.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |             muc.insert_edge(&Edge::new(src, dst));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 32 |             let _ = muc.insert_edge(&Edge::new(src, dst));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/subtract_edge.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         self.mucs[muc1_id.val()].insert_conn_vertex(bridge_edge.src, bridge_edge.dst);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let _ = self.mucs[muc1_id.val()].insert_conn_vertex(bridge_edge.src, bridge_edge.dst);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/subtract_edge.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         self.mucs[muc2_id.val()].insert_conn_vertex(bridge_edge.dst, bridge_edge.src);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let _ = self.mucs[muc2_id.val()].insert_conn_vertex(bridge_edge.dst, bridge_edge.src);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "41a0a63bc25a1b4c312e2cb4574df8f2ff202413204754205be7a43895b84af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41a0a63bc25a1b4c312e2cb4574df8f2ff202413204754205be7a43895b84af8", kill_on_drop: false }`
[INFO] [stdout] 41a0a63bc25a1b4c312e2cb4574df8f2ff202413204754205be7a43895b84af8
