[INFO] fetching crate snark-tool 0.4.0...
[INFO] checking snark-tool-0.4.0 against try#0f68263c719c986445acfdd2b05d69e200c95710 for pr-97183
[INFO] extracting crate snark-tool 0.4.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate snark-tool 0.4.0 on toolchain 0f68263c719c986445acfdd2b05d69e200c95710
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0f68263c719c986445acfdd2b05d69e200c95710" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snark-tool 0.4.0
[INFO] finished tweaking crates.io crate snark-tool 0.4.0
[INFO] tweaked toml for crates.io crate snark-tool 0.4.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate snark-tool 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0f68263c719c986445acfdd2b05d69e200c95710" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 0a0ceb08ec33e6ff9e4438de48d25df1b3b0486f9e1e99e0a4f5315b56b997ca
[INFO] running `Command { std: "docker" "start" "-a" "0a0ceb08ec33e6ff9e4438de48d25df1b3b0486f9e1e99e0a4f5315b56b997ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a0ceb08ec33e6ff9e4438de48d25df1b3b0486f9e1e99e0a4f5315b56b997ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a0ceb08ec33e6ff9e4438de48d25df1b3b0486f9e1e99e0a4f5315b56b997ca", kill_on_drop: false }`
[INFO] [stdout] 0a0ceb08ec33e6ff9e4438de48d25df1b3b0486f9e1e99e0a4f5315b56b997ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+0f68263c719c986445acfdd2b05d69e200c95710" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1fef733fb33f231056476b7f81c7dfcf6b9021fb6dadcbd06e98e21b483076a
[INFO] running `Command { std: "docker" "start" "-a" "d1fef733fb33f231056476b7f81c7dfcf6b9021fb6dadcbd06e98e21b483076a", kill_on_drop: false }`
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[INFO] [stdout] warning: associated function `build` is never used
[INFO] [stdout]    --> src/procedure/basic_procedures/chrom_props/chromatic_properties.rs:646:12
[INFO] [stdout]     |
[INFO] [stdout] 646 |     pub fn build<G: UndirectedGraph + Clone + 'static>(
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SAT_COLOURISER` is never used
[INFO] [stdout]  --> src/procedure/basic_procedures/chrom_props/config.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub const SAT_COLOURISER: &str = "sat";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/procedure/basic_procedures/chrom_props/config.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/procedure/basic_procedures/colour.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn new(colouriser_type: ColouriserType) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `default` is never used
[INFO] [stdout]    --> src/procedure/basic_procedures/colour.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn default() -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `build` is never used
[INFO] [stdout]    --> src/procedure/basic_procedures/colour.rs:181:12
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn build<G: UndirectedGraph + 'static>(
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/procedure/basic_procedures/constructions.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn new(construction_type: ConstructionType) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `construction_type` is never used
[INFO] [stdout]    --> src/procedure/basic_procedures/constructions.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn construction_type(&self) -> &ConstructionType {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `build` is never used
[INFO] [stdout]    --> src/procedure/basic_procedures/constructions.rs:131:12
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn build<G: UndirectedGraph + GraphConstructor + Clone + 'static>(
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/procedure/basic_procedures/filter.rs:165:12
[INFO] [stdout]     |
[INFO] [stdout] 165 |     pub fn new(filter_by: GraphProperties) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `build` is never used
[INFO] [stdout]    --> src/procedure/basic_procedures/filter.rs:192:12
[INFO] [stdout]     |
[INFO] [stdout] 192 |     pub fn build<G: UndirectedGraph + 'static>(
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/procedure/basic_procedures/read.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn new(file_path: String, graph_format: String, number_of_graphs: Option<usize>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `default` is never used
[INFO] [stdout]    --> src/procedure/basic_procedures/read.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn default() -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `build` is never used
[INFO] [stdout]    --> src/procedure/basic_procedures/read.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn build<G: UndirectedGraph + GraphConstructor + 'static>(
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/procedure/basic_procedures/write.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn new(file_path: String, graph_format: String, with_properties: bool) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `default` is never used
[INFO] [stdout]    --> src/procedure/basic_procedures/write.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn default() -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `build` is never used
[INFO] [stdout]    --> src/procedure/basic_procedures/write.rs:213:12
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn build<G: UndirectedGraph + 'static>(
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/procedure/basic_procedures/counter.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn new(print: bool) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `default` is never used
[INFO] [stdout]   --> src/procedure/basic_procedures/counter.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn default() -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `build` is never used
[INFO] [stdout]   --> src/procedure/basic_procedures/counter.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn build<G: UndirectedGraph + 'static>(
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_procedures_and_registry` is never used
[INFO] [stdout]   --> src/procedure/procedure_chain.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn from_procedures_and_registry(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_procedures` is never used
[INFO] [stdout]   --> src/procedure/procedure_chain.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn from_procedures(procedures: Vec<Box<dyn Procedure<G>>>) -> Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_isomorphic` is never used
[INFO] [stdout]  --> src/service/constructions/isomorphism.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn is_isomorphic<G: Graph>(first: &G, second: &G) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_petgraph` is never used
[INFO] [stdout]   --> src/service/constructions/isomorphism.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn to_petgraph<G: Graph>(graph: &G) -> UnGraph<usize, usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `default` is never used
[INFO] [stdout]   --> src/service/graph_traversal/bfs.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn default() -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `set_index` is never used
[INFO] [stdout]   --> src/service/graph_traversal/bfs.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn set_index(&mut self, index: usize) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `set_visited` is never used
[INFO] [stdout]   --> src/service/graph_traversal/bfs.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn set_visited(&mut self, visited: bool) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `set_discovered_from` is never used
[INFO] [stdout]   --> src/service/graph_traversal/bfs.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn set_discovered_from(&mut self, discovered_from: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `discovery_order` is never used
[INFO] [stdout]    --> src/service/graph_traversal/bfs.rs:149:12
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn discovery_order(&self) -> &Vec<usize> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index`, `visited`, `discovered_from` and `distance_from_root` are never read
[INFO] [stdout]  --> src/service/graph_traversal/dfs.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct DfsVertex {
[INFO] [stdout]   |            --------- fields in this struct
[INFO] [stdout] 6 |     index: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 7 |     visited: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 8 |     discovered_from: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     distance_from_root: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DfsVertex` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/service/graph_traversal/dfs.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `index` is never used
[INFO] [stdout]   --> src/service/graph_traversal/dfs.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn index(&self) -> usize {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `visited` is never used
[INFO] [stdout]   --> src/service/graph_traversal/dfs.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn visited(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `discovered_from` is never used
[INFO] [stdout]   --> src/service/graph_traversal/dfs.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn discovered_from(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `distance_from_root` is never used
[INFO] [stdout]   --> src/service/graph_traversal/dfs.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn distance_from_root(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `graph`, `visited` and `to_visit` are never read
[INFO] [stdout]   --> src/service/graph_traversal/dfs.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct DfsOfGraph<'a, G: Graph + Clone> {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 44 |     graph: &'a G,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 45 |     visited: Vec<Option<DfsVertex>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 46 |     to_visit: VecDeque<DfsVertex>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DfsOfGraph` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/service/graph_traversal/dfs.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new(graph: &'a G, start: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_from_raw_ptr` is never used
[INFO] [stdout]   --> src/service/graph_traversal/dfs.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub unsafe fn new_from_raw_ptr(graph: *const G, start: usize) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `visit_from` is never used
[INFO] [stdout]   --> src/service/graph_traversal/dfs.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn visit_from(&mut self, vertex: usize, visited_from: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `next` is never used
[INFO] [stdout]   --> src/service/graph_traversal/dfs.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn next(&mut self) -> Option<DfsVertex> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `visited_vertex` is never used
[INFO] [stdout]    --> src/service/graph_traversal/dfs.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn visited_vertex(&self, index: usize) -> Option<&DfsVertex> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 41 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SAT_COLOURISER` is never used
[INFO] [stdout]  --> src/procedure/basic_procedures/chrom_props/config.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub const SAT_COLOURISER: &str = "sat";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/procedure/basic_procedures/colour.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn new(colouriser_type: ColouriserType) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `construction_type` is never used
[INFO] [stdout]    --> src/procedure/basic_procedures/constructions.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn construction_type(&self) -> &ConstructionType {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `default` is never used
[INFO] [stdout]    --> src/procedure/basic_procedures/read.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn default() -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/procedure/basic_procedures/write.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn new(file_path: String, graph_format: String, with_properties: bool) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `default` is never used
[INFO] [stdout]   --> src/procedure/basic_procedures/counter.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn default() -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `default` is never used
[INFO] [stdout]   --> src/service/graph_traversal/bfs.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn default() -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `set_index` is never used
[INFO] [stdout]   --> src/service/graph_traversal/bfs.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn set_index(&mut self, index: usize) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `set_visited` is never used
[INFO] [stdout]   --> src/service/graph_traversal/bfs.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn set_visited(&mut self, visited: bool) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `set_discovered_from` is never used
[INFO] [stdout]   --> src/service/graph_traversal/bfs.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn set_discovered_from(&mut self, discovered_from: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `visited` is never used
[INFO] [stdout]   --> src/service/graph_traversal/dfs.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn visited(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `discovered_from` is never used
[INFO] [stdout]   --> src/service/graph_traversal/dfs.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn discovered_from(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `distance_from_root` is never used
[INFO] [stdout]   --> src/service/graph_traversal/dfs.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn distance_from_root(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_from_raw_ptr` is never used
[INFO] [stdout]   --> src/service/graph_traversal/dfs.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub unsafe fn new_from_raw_ptr(graph: *const G, start: usize) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `visited_vertex` is never used
[INFO] [stdout]    --> src/service/graph_traversal/dfs.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn visited_vertex(&self, index: usize) -> Option<&DfsVertex> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 32.36s
[INFO] running `Command { std: "docker" "inspect" "d1fef733fb33f231056476b7f81c7dfcf6b9021fb6dadcbd06e98e21b483076a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1fef733fb33f231056476b7f81c7dfcf6b9021fb6dadcbd06e98e21b483076a", kill_on_drop: false }`
[INFO] [stdout] d1fef733fb33f231056476b7f81c7dfcf6b9021fb6dadcbd06e98e21b483076a