[INFO] cloning repository https://github.com/Logarithmus/min-spanning-tree-and-shortest-path
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Logarithmus/min-spanning-tree-and-shortest-path" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogarithmus%2Fmin-spanning-tree-and-shortest-path", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogarithmus%2Fmin-spanning-tree-and-shortest-path'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b900196767a24bf6e11c8d4783bd8ce7c3fedb94
[INFO] testing Logarithmus/min-spanning-tree-and-shortest-path against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogarithmus%2Fmin-spanning-tree-and-shortest-path" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Logarithmus/min-spanning-tree-and-shortest-path on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Logarithmus/min-spanning-tree-and-shortest-path
[INFO] finished tweaking git repo https://github.com/Logarithmus/min-spanning-tree-and-shortest-path
[INFO] tweaked toml for git repo https://github.com/Logarithmus/min-spanning-tree-and-shortest-path written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Logarithmus/min-spanning-tree-and-shortest-path already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1a1ae566d1367694df8ea9e2ad54d2f1f0a97bebdee644b2be3e340013f7f761
[INFO] running `Command { std: "docker" "start" "-a" "1a1ae566d1367694df8ea9e2ad54d2f1f0a97bebdee644b2be3e340013f7f761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a1ae566d1367694df8ea9e2ad54d2f1f0a97bebdee644b2be3e340013f7f761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a1ae566d1367694df8ea9e2ad54d2f1f0a97bebdee644b2be3e340013f7f761", kill_on_drop: false }`
[INFO] [stdout] 1a1ae566d1367694df8ea9e2ad54d2f1f0a97bebdee644b2be3e340013f7f761
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3946c31b2069b734947091ec071afff79e1cb7bdab2ecbb1ad30190197ccf86
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b3946c31b2069b734947091ec071afff79e1cb7bdab2ecbb1ad30190197ccf86", kill_on_drop: false }`
[INFO] [stderr]    Compiling spanning_tree_and_shortest_path v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/graph.rs:147:28
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn dijkstra(&self, start: usize) -> Vec<Vec<HalfEdge>> {
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DisjointSubsets`
[INFO] [stdout]  --> src/disjoint_subsets.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct DisjointSubsets {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/disjoint_subsets.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(size: usize) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_set`
[INFO] [stdout]   --> src/disjoint_subsets.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn find_set(&mut self, elem: usize) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `union_sets`
[INFO] [stdout]   --> src/disjoint_subsets.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn union_sets(&mut self, elem1: usize, elem2: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `total_weight`
[INFO] [stdout]   --> src/graph.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn total_weight(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `min_span_tree_kruskal`
[INFO] [stdout]    --> src/graph.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn min_span_tree_kruskal(&self) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dijkstra`
[INFO] [stdout]    --> src/graph.rs:147:12
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn dijkstra(&self, start: usize) -> Vec<Vec<HalfEdge>> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/heap.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(cmp: F) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]   --> src/heap.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `graph1`
[INFO] [stdout]  --> src/test.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn graph1() -> Graph {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `graph1_mst`
[INFO] [stdout]   --> src/test.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn graph1_mst() -> Graph {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `graph_a`
[INFO] [stdout]   --> src/test.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn graph_a() -> Graph {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `graph_b`
[INFO] [stdout]   --> src/test.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn graph_b() -> Graph {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `graph_c`
[INFO] [stdout]   --> src/test.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub fn graph_c() -> Graph {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `graph_d`
[INFO] [stdout]    --> src/test.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub fn graph_d() -> Graph {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "b3946c31b2069b734947091ec071afff79e1cb7bdab2ecbb1ad30190197ccf86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3946c31b2069b734947091ec071afff79e1cb7bdab2ecbb1ad30190197ccf86", kill_on_drop: false }`
[INFO] [stdout] b3946c31b2069b734947091ec071afff79e1cb7bdab2ecbb1ad30190197ccf86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96e352a524e5b9bda6ae491765c23601a60bf2157f7391e39f8c193f7d621f85
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "96e352a524e5b9bda6ae491765c23601a60bf2157f7391e39f8c193f7d621f85", kill_on_drop: false }`
[INFO] [stderr]    Compiling spanning_tree_and_shortest_path v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/graph.rs:147:28
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn dijkstra(&self, start: usize) -> Vec<Vec<HalfEdge>> {
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dijkstra`
[INFO] [stdout]    --> src/graph.rs:147:12
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn dijkstra(&self, start: usize) -> Vec<Vec<HalfEdge>> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/heap.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(cmp: F) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]   --> src/heap.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `graph1_mst`
[INFO] [stdout]   --> src/test.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn graph1_mst() -> Graph {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `graph_a`
[INFO] [stdout]   --> src/test.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn graph_a() -> Graph {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `graph_b`
[INFO] [stdout]   --> src/test.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn graph_b() -> Graph {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `graph_c`
[INFO] [stdout]   --> src/test.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub fn graph_c() -> Graph {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `graph_d`
[INFO] [stdout]    --> src/test.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub fn graph_d() -> Graph {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "96e352a524e5b9bda6ae491765c23601a60bf2157f7391e39f8c193f7d621f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96e352a524e5b9bda6ae491765c23601a60bf2157f7391e39f8c193f7d621f85", kill_on_drop: false }`
[INFO] [stdout] 96e352a524e5b9bda6ae491765c23601a60bf2157f7391e39f8c193f7d621f85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aa51d8fd4cf6191975778cc0e40cf518c1caeacbfdae86446df72722f5f2c0e4
[INFO] running `Command { std: "docker" "start" "-a" "aa51d8fd4cf6191975778cc0e40cf518c1caeacbfdae86446df72722f5f2c0e4", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `start`
[INFO] [stderr]    --> src/graph.rs:147:28
[INFO] [stderr]     |
[INFO] [stderr] 147 |     pub fn dijkstra(&self, start: usize) -> Vec<Vec<HalfEdge>> {
[INFO] [stderr]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `dijkstra`
[INFO] [stderr]    --> src/graph.rs:147:12
[INFO] [stderr]     |
[INFO] [stderr] 147 |     pub fn dijkstra(&self, start: usize) -> Vec<Vec<HalfEdge>> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/heap.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(cmp: F) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_empty`
[INFO] [stderr]   --> src/heap.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `graph1_mst`
[INFO] [stderr]   --> src/test.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn graph1_mst() -> Graph {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `graph_a`
[INFO] [stderr]   --> src/test.rs:58:8
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub fn graph_a() -> Graph {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `graph_b`
[INFO] [stderr]   --> src/test.rs:76:8
[INFO] [stderr]    |
[INFO] [stderr] 76 | pub fn graph_b() -> Graph {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `graph_c`
[INFO] [stderr]   --> src/test.rs:92:8
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub fn graph_c() -> Graph {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `graph_d`
[INFO] [stderr]    --> src/test.rs:107:8
[INFO] [stderr]     |
[INFO] [stderr] 107 | pub fn graph_d() -> Graph {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `spanning_tree_and_shortest_path` (bin "spanning_tree_and_shortest_path" test) generated 9 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/spanning_tree_and_shortest_path-0a8bb5309083a34f)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::test1_mst_prim ... ok
[INFO] [stdout] test test::test2_mst_kruskal ... ok
[INFO] [stdout] test test::test1_mst_kruskal ... ok
[INFO] [stdout] test test::test2_mst_prim ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa51d8fd4cf6191975778cc0e40cf518c1caeacbfdae86446df72722f5f2c0e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa51d8fd4cf6191975778cc0e40cf518c1caeacbfdae86446df72722f5f2c0e4", kill_on_drop: false }`
[INFO] [stdout] aa51d8fd4cf6191975778cc0e40cf518c1caeacbfdae86446df72722f5f2c0e4