[INFO] cloning repository https://github.com/caioopra/rust_graphs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/caioopra/rust_graphs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaioopra%2Frust_graphs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaioopra%2Frust_graphs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99a4f34b6c57f65ce9e7b852a978f338f7b71689
[INFO] testing caioopra/rust_graphs against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaioopra%2Frust_graphs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/caioopra/rust_graphs
[INFO] finished tweaking git repo https://github.com/caioopra/rust_graphs
[INFO] tweaked toml for git repo https://github.com/caioopra/rust_graphs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/caioopra/rust_graphs on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/caioopra/rust_graphs 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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ce266c982107b355f5506d90f3c32f4a5d11d744d1b646feafd902ddfa6b7b0
[INFO] running `Command { std: "docker" "start" "-a" "4ce266c982107b355f5506d90f3c32f4a5d11d744d1b646feafd902ddfa6b7b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ce266c982107b355f5506d90f3c32f4a5d11d744d1b646feafd902ddfa6b7b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ce266c982107b355f5506d90f3c32f4a5d11d744d1b646feafd902ddfa6b7b0", kill_on_drop: false }`
[INFO] [stdout] 4ce266c982107b355f5506d90f3c32f4a5d11d744d1b646feafd902ddfa6b7b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 192aac0112c69da9fdc57d912b4e37d22f5ba5b3fc0da0dd35cdb9d99afef52f
[INFO] running `Command { std: "docker" "start" "-a" "192aac0112c69da9fdc57d912b4e37d22f5ba5b3fc0da0dd35cdb9d99afef52f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_graphs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Edge` is never constructed
[INFO] [stdout]  --> src/edge.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Edge {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `weight` are never used
[INFO] [stdout]   --> src/edge.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Edge {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new(u: VertexPtr, v: VertexPtr, weight: f32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn weight(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `VertexPtr` is never used
[INFO] [stdout]  --> src/vertex.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type VertexPtr = Rc<RefCell<Vertex>>;
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vertex` is never constructed
[INFO] [stdout]  --> src/vertex.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Vertex {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_neighbor`, `add_as_neighbor`, and `neighbors` are never used
[INFO] [stdout]   --> src/vertex.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Vertex {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 15 |     /// Returns a Reference Counting pointer to a RefCell to a vertex (Rc<RefCell<Vertex>>)
[INFO] [stdout] 16 |     pub fn new(index: u32, label: String) -> VertexPtr {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn add_neighbor(self_rc: VertexPtr, vertex: VertexPtr) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn add_as_neighbor(&mut self, vertex: VertexPtr) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn neighbors(&self) -> &Vec<VertexPtr> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Graph` is never constructed
[INFO] [stdout]   --> src/graph.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Graph {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/graph.rs:17:12
[INFO] [stdout]     |
[INFO] [stdout]  16 | impl Graph {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout]  17 |     pub fn new() -> Graph {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  24 |     pub fn vertices(&self) -> &HashMap<u32, VertexPtr> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  28 |     pub fn edges(&self) -> &HashMap<(u32, u32), Edge> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  32 |     pub fn insert_vertex(&mut self, id: u32, label: String) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  44 |     pub fn insert_edge(&mut self, u_index: u32, v_index: u32, weight: f32) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  57 |     pub fn vertex_exist(&self, id: u32) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  61 |     pub fn edge_exist(&self, u_index: u32, v_index: u32) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  75 |     pub fn label(&self, index: u32) -> Result<String, String> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  83 |     pub fn degree(&self, index: u32) -> Result<u32, i32> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  92 |     pub fn weight(&self, u_index: u32, v_index: u32) -> Result<f32, i32> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn vertices_amount(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     pub fn edges_amount(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     pub fn read_from_file(filename: &str) -> Result<Graph, &str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `dfs` is never used
[INFO] [stdout]  --> src/algorithms/traversal.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Graph {
[INFO] [stdout]   | ---------- method in this implementation
[INFO] [stdout] 6 |     /// This function assume that the indexes of the vertices start at 1
[INFO] [stdout] 7 |     pub fn dfs(&self, start: u32) -> Vec<u32> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "192aac0112c69da9fdc57d912b4e37d22f5ba5b3fc0da0dd35cdb9d99afef52f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "192aac0112c69da9fdc57d912b4e37d22f5ba5b3fc0da0dd35cdb9d99afef52f", kill_on_drop: false }`
[INFO] [stdout] 192aac0112c69da9fdc57d912b4e37d22f5ba5b3fc0da0dd35cdb9d99afef52f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afb1cff06dc5d622c9f6c746e3ec4664ef8c208c238f394aff020975e49e14b9
[INFO] running `Command { std: "docker" "start" "-a" "afb1cff06dc5d622c9f6c746e3ec4664ef8c208c238f394aff020975e49e14b9", kill_on_drop: false }`
[INFO] [stdout] warning: struct `Edge` is never constructed
[INFO] [stdout]  --> src/edge.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Edge {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `weight` are never used
[INFO] [stdout]   --> src/edge.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Edge {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new(u: VertexPtr, v: VertexPtr, weight: f32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn weight(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `VertexPtr` is never used
[INFO] [stdout]  --> src/vertex.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type VertexPtr = Rc<RefCell<Vertex>>;
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vertex` is never constructed
[INFO] [stdout]  --> src/vertex.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Vertex {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_neighbor`, `add_as_neighbor`, and `neighbors` are never used
[INFO] [stdout]   --> src/vertex.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Vertex {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 15 |     /// Returns a Reference Counting pointer to a RefCell to a vertex (Rc<RefCell<Vertex>>)
[INFO] [stdout] 16 |     pub fn new(index: u32, label: String) -> VertexPtr {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn add_neighbor(self_rc: VertexPtr, vertex: VertexPtr) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn add_as_neighbor(&mut self, vertex: VertexPtr) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn neighbors(&self) -> &Vec<VertexPtr> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Graph` is never constructed
[INFO] [stdout]   --> src/graph.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Graph {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/graph.rs:17:12
[INFO] [stdout]     |
[INFO] [stdout]  16 | impl Graph {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout]  17 |     pub fn new() -> Graph {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  24 |     pub fn vertices(&self) -> &HashMap<u32, VertexPtr> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  28 |     pub fn edges(&self) -> &HashMap<(u32, u32), Edge> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  32 |     pub fn insert_vertex(&mut self, id: u32, label: String) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  44 |     pub fn insert_edge(&mut self, u_index: u32, v_index: u32, weight: f32) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  57 |     pub fn vertex_exist(&self, id: u32) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  61 |     pub fn edge_exist(&self, u_index: u32, v_index: u32) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  75 |     pub fn label(&self, index: u32) -> Result<String, String> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  83 |     pub fn degree(&self, index: u32) -> Result<u32, i32> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  92 |     pub fn weight(&self, u_index: u32, v_index: u32) -> Result<f32, i32> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn vertices_amount(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     pub fn edges_amount(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     pub fn read_from_file(filename: &str) -> Result<Graph, &str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `dfs` is never used
[INFO] [stdout]  --> src/algorithms/traversal.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Graph {
[INFO] [stdout]   | ---------- method in this implementation
[INFO] [stdout] 6 |     /// This function assume that the indexes of the vertices start at 1
[INFO] [stdout] 7 |     pub fn dfs(&self, start: u32) -> Vec<u32> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust_graphs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `weight` is never read
[INFO] [stdout]  --> src/edge.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Edge {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     weight: f32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Edge` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `weight` is never used
[INFO] [stdout]   --> src/edge.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Edge {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn weight(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `neighbors` is never used
[INFO] [stdout]   --> src/vertex.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Vertex {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn neighbors(&self) -> &Vec<VertexPtr> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `vertices`, `edges`, `edge_exist`, `degree`, and `weight` are never used
[INFO] [stdout]   --> src/graph.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Graph {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn vertices(&self) -> &HashMap<u32, VertexPtr> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn edges(&self) -> &HashMap<(u32, u32), Edge> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn edge_exist(&self, u_index: u32, v_index: u32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn degree(&self, index: u32) -> Result<u32, i32> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub fn weight(&self, u_index: u32, v_index: u32) -> Result<f32, i32> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `dfs` is never used
[INFO] [stdout]  --> src/algorithms/traversal.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Graph {
[INFO] [stdout]   | ---------- method in this implementation
[INFO] [stdout] 6 |     /// This function assume that the indexes of the vertices start at 1
[INFO] [stdout] 7 |     pub fn dfs(&self, start: u32) -> Vec<u32> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "afb1cff06dc5d622c9f6c746e3ec4664ef8c208c238f394aff020975e49e14b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afb1cff06dc5d622c9f6c746e3ec4664ef8c208c238f394aff020975e49e14b9", kill_on_drop: false }`
[INFO] [stdout] afb1cff06dc5d622c9f6c746e3ec4664ef8c208c238f394aff020975e49e14b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dbd15b749bb2daf6ebf56cd27f824b2fef14436468dc1569375e8d4a1977fcbd
[INFO] running `Command { std: "docker" "start" "-a" "dbd15b749bb2daf6ebf56cd27f824b2fef14436468dc1569375e8d4a1977fcbd", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Edge` is never constructed
[INFO] [stderr]  --> src/edge.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Edge {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `weight` are never used
[INFO] [stderr]   --> src/edge.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl Edge {
[INFO] [stderr]    | --------- associated items in this implementation
[INFO] [stderr] 11 |     pub fn new(u: VertexPtr, v: VertexPtr, weight: f32) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 17 |     pub fn weight(&self) -> f32 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `VertexPtr` is never used
[INFO] [stderr]  --> src/vertex.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub type VertexPtr = Rc<RefCell<Vertex>>;
[INFO] [stderr]   |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Vertex` is never constructed
[INFO] [stderr]  --> src/vertex.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Vertex {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `add_neighbor`, `add_as_neighbor`, and `neighbors` are never used
[INFO] [stderr]   --> src/vertex.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl Vertex {
[INFO] [stderr]    | ----------- associated items in this implementation
[INFO] [stderr] 15 |     /// Returns a Reference Counting pointer to a RefCell to a vertex (Rc<RefCell<Vertex>>)
[INFO] [stderr] 16 |     pub fn new(index: u32, label: String) -> VertexPtr {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 25 |     pub fn add_neighbor(self_rc: VertexPtr, vertex: VertexPtr) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     fn add_as_neighbor(&mut self, vertex: VertexPtr) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 |     pub fn neighbors(&self) -> &Vec<VertexPtr> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Graph` is never constructed
[INFO] [stderr]   --> src/graph.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct Graph {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]    --> src/graph.rs:17:12
[INFO] [stderr]     |
[INFO] [stderr]  16 | impl Graph {
[INFO] [stderr]     | ---------- associated items in this implementation
[INFO] [stderr]  17 |     pub fn new() -> Graph {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr]  24 |     pub fn vertices(&self) -> &HashMap<u32, VertexPtr> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  28 |     pub fn edges(&self) -> &HashMap<(u32, u32), Edge> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  32 |     pub fn insert_vertex(&mut self, id: u32, label: String) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  44 |     pub fn insert_edge(&mut self, u_index: u32, v_index: u32, weight: f32) {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  57 |     pub fn vertex_exist(&self, id: u32) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  61 |     pub fn edge_exist(&self, u_index: u32, v_index: u32) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test edge::tests::edge_creation ... ok
[INFO] [stdout] test graph::tests::edge_insertion ... ok
[INFO] [stdout] test graph::tests::graph_creation ... ok
[INFO] [stdout] test graph::tests::reading_graph_from_file ... ok
[INFO] [stdout] test graph::tests::vertex_insertion ... ok
[INFO] [stdout] test graph::tests::vertex_unique_id ... ok
[INFO] [stdout] test utils::file_processor::tests::test_read_file_not_found ... ok
[INFO] [stdout] test vertex::tests::adding_neigbor ... ok
[INFO] [stdout] test vertex::tests::vertex_creation ... ok
[INFO] [stdout] test utils::file_processor::tests::test_read_file_success ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- utils::file_processor::tests::test_read_file_success stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'utils::file_processor::tests::test_read_file_success' (23) panicked at src/utils/file_processor.rs:80:45:
[INFO] [stdout] Failed to write the test file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56eedba57812 - std[3b51380354919863]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56eedba57812 - std[3b51380354919863]::backtrace_rs::backtrace::trace_unsynchronized::<std[3b51380354919863]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56eedba57812 - std[3b51380354919863]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56eedba57812 - <<std[3b51380354919863]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[27de1724e4349be2]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56eedba6c86a - <core[27de1724e4349be2]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56eedba6c86a - core[27de1724e4349be2]::fmt::write
[INFO] [stdout]    6:     0x56eedba5c616 - std[3b51380354919863]::io::default_write_fmt::<alloc[a57f19327c0ad893]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x56eedba5c616 - <alloc[a57f19327c0ad893]::vec::Vec<u8> as std[3b51380354919863]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x56eedba3583f - <std[3b51380354919863]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56eedba3583f - std[3b51380354919863]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56eedba4f509 - std[3b51380354919863]::panicking::default_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56eedb9ea98e - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x56eedb9ea98e - test[182b2e79ecd7bbd9]::test_main_with_exit_callback::<test[182b2e79ecd7bbd9]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x56eedba4f6c2 - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x56eedba4f6c2 - std[3b51380354919863]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56eedba358f8 - std[3b51380354919863]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x56eedba2a9c9 - std[3b51380354919863]::sys::backtrace::__rust_end_short_backtrace::<std[3b51380354919863]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x56eedba3674d - __rustc[d79c0ace40940972]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x56eedba6cf4c - core[27de1724e4349be2]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x56eedba6cd22 - core[27de1724e4349be2]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x56eedb9ce3cc - <core[27de1724e4349be2]::result::Result<(), std[3b51380354919863]::io::error::Error>>::expect
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x56eedb9d0679 - rust_graphs[b6b281dc7309d393]::utils::file_processor::tests::test_read_file_success
[INFO] [stdout]                                at /opt/rustwide/workdir/src/utils/file_processor.rs:80:45
[INFO] [stdout]   22:     0x56eedb9cdf57 - rust_graphs[b6b281dc7309d393]::utils::file_processor::tests::test_read_file_success::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/utils/file_processor.rs:73:32
[INFO] [stdout]   23:     0x56eedb9d7da6 - <rust_graphs[b6b281dc7309d393]::utils::file_processor::tests::test_read_file_success::{closure#0} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56eedb9ded3b - <fn() -> core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x56eedb9ded3b - test[182b2e79ecd7bbd9]::__rust_begin_short_backtrace::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, fn() -> core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x56eedb9eb59a - test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x56eedb9eb59a - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x56eedb9eb59a - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x56eedb9eb59a - std[3b51380354919863]::panicking::catch_unwind::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x56eedb9eb59a - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x56eedb9eb59a - test[182b2e79ecd7bbd9]::run_test_in_process
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x56eedb9eb59a - test[182b2e79ecd7bbd9]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x56eedb9e6b44 - test[182b2e79ecd7bbd9]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x56eedb9e6b44 - std[3b51380354919863]::sys::backtrace::__rust_begin_short_backtrace::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x56eedb9ee092 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x56eedb9ee092 - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x56eedb9ee092 - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x56eedb9ee092 - std[3b51380354919863]::panicking::catch_unwind::<(), core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x56eedb9ee092 - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x56eedb9ee092 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x56eedb9ee092 - <std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x56eedba56b7f - <alloc[a57f19327c0ad893]::boxed::Box<dyn core[27de1724e4349be2]::ops::function::FnOnce<(), Output = ()> + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x56eedba56b7f - <std[3b51380354919863]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   44:     0x79979c79baa4 - <unknown>
[INFO] [stdout]   45:     0x79979c828a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     utils::file_processor::tests::test_read_file_success
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 9 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]  75 |     pub fn label(&self, index: u32) -> Result<String, String> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  83 |     pub fn degree(&self, index: u32) -> Result<u32, i32> {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  92 |     pub fn weight(&self, u_index: u32, v_index: u32) -> Result<f32, i32> {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 105 |     pub fn vertices_amount(&self) -> u32 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 110 |     pub fn edges_amount(&self) -> u32 {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 132 |     pub fn read_from_file(filename: &str) -> Result<Graph, &str> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `dfs` is never used
[INFO] [stderr]  --> src/algorithms/traversal.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | impl Graph {
[INFO] [stderr]   | ---------- method in this implementation
[INFO] [stderr] 6 |     /// This function assume that the indexes of the vertices start at 1
[INFO] [stderr] 7 |     pub fn dfs(&self, start: u32) -> Vec<u32> {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_graphs` (lib) generated 8 warnings
[INFO] [stderr] warning: field `weight` is never read
[INFO] [stderr]  --> src/edge.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Edge {
[INFO] [stderr]   |            ---- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 7 |     weight: f32,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Edge` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `weight` is never used
[INFO] [stderr]   --> src/edge.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl Edge {
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 17 |     pub fn weight(&self) -> f32 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `neighbors` is never used
[INFO] [stderr]   --> src/vertex.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl Vertex {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 40 |     pub fn neighbors(&self) -> &Vec<VertexPtr> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `vertices`, `edges`, `edge_exist`, `degree`, and `weight` are never used
[INFO] [stderr]   --> src/graph.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | impl Graph {
[INFO] [stderr]    | ---------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 24 |     pub fn vertices(&self) -> &HashMap<u32, VertexPtr> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 28 |     pub fn edges(&self) -> &HashMap<(u32, u32), Edge> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 61 |     pub fn edge_exist(&self, u_index: u32, v_index: u32) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 83 |     pub fn degree(&self, index: u32) -> Result<u32, i32> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 92 |     pub fn weight(&self, u_index: u32, v_index: u32) -> Result<f32, i32> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_graphs` (lib test) generated 5 warnings (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_graphs-436cf0a396ecb72a)
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "dbd15b749bb2daf6ebf56cd27f824b2fef14436468dc1569375e8d4a1977fcbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbd15b749bb2daf6ebf56cd27f824b2fef14436468dc1569375e8d4a1977fcbd", kill_on_drop: false }`
[INFO] [stdout] dbd15b749bb2daf6ebf56cd27f824b2fef14436468dc1569375e8d4a1977fcbd
