[INFO] updating cached repository https://github.com/schulke-214/algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7e0d019f8b94ab94b2bd8b5e92beccace89a89a
[INFO] testing schulke-214/algorithms against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschulke-214%2Falgorithms" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/schulke-214/algorithms on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/schulke-214/algorithms
[INFO] finished tweaking git repo https://github.com/schulke-214/algorithms
[INFO] tweaked toml for git repo https://github.com/schulke-214/algorithms written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/schulke-214/algorithms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5995074112d8b8858436f44b043a62ce66320ddb47e27756c8b844ce2e1694f5
[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" "5995074112d8b8858436f44b043a62ce66320ddb47e27756c8b844ce2e1694f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5995074112d8b8858436f44b043a62ce66320ddb47e27756c8b844ce2e1694f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5995074112d8b8858436f44b043a62ce66320ddb47e27756c8b844ce2e1694f5", kill_on_drop: false }`
[INFO] [stdout] 5995074112d8b8858436f44b043a62ce66320ddb47e27756c8b844ce2e1694f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d3eb8d7b7b0644130afb6e1016c48d5021a4b782e124a79631bffecfc55e382
[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" "5d3eb8d7b7b0644130afb6e1016c48d5021a4b782e124a79631bffecfc55e382", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling rand_jitter v0.1.2
[INFO] [stderr]    Compiling getrandom v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling algorithms v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Sub`
[INFO] [stdout]  --> src/data_structures/graph.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, Sub};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/data_structures/graph.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn are_adjacent(&self, n: Vertex, m: Vertex) -> bool {
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> src/data_structures/graph.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn are_adjacent(&self, n: Vertex, m: Vertex) -> bool {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `are_adjacent`
[INFO] [stdout]   --> src/data_structures/graph.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn are_adjacent(&self, n: Vertex, m: Vertex) -> bool {
[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/data_structures/graph.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn new(name: String) -> Vertex {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/data_structures/graph.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn new(from: Uuid, to: Uuid, name: Option<String>, weight: Option<W>) -> Edge<W> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.62s
[INFO] running `Command { std: "docker" "inspect" "5d3eb8d7b7b0644130afb6e1016c48d5021a4b782e124a79631bffecfc55e382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d3eb8d7b7b0644130afb6e1016c48d5021a4b782e124a79631bffecfc55e382", kill_on_drop: false }`
[INFO] [stdout] 5d3eb8d7b7b0644130afb6e1016c48d5021a4b782e124a79631bffecfc55e382
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab8180994967266f64e764e487c3ff9cdc473c929212f555cc5d60c250daadec
[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" "ab8180994967266f64e764e487c3ff9cdc473c929212f555cc5d60c250daadec", kill_on_drop: false }`
[INFO] [stderr]    Compiling algorithms v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Sub`
[INFO] [stdout]  --> src/data_structures/graph.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, Sub};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/data_structures/graph.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn are_adjacent(&self, n: Vertex, m: Vertex) -> bool {
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> src/data_structures/graph.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn are_adjacent(&self, n: Vertex, m: Vertex) -> bool {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `are_adjacent`
[INFO] [stdout]   --> src/data_structures/graph.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn are_adjacent(&self, n: Vertex, m: Vertex) -> bool {
[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/data_structures/graph.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn new(name: String) -> Vertex {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/data_structures/graph.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn new(from: Uuid, to: Uuid, name: Option<String>, weight: Option<W>) -> Edge<W> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sub`
[INFO] [stdout]  --> src/data_structures/graph.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, Sub};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/data_structures/graph.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn are_adjacent(&self, n: Vertex, m: Vertex) -> bool {
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> src/data_structures/graph.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn are_adjacent(&self, n: Vertex, m: Vertex) -> bool {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `are_adjacent`
[INFO] [stdout]   --> src/data_structures/graph.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn are_adjacent(&self, n: Vertex, m: Vertex) -> bool {
[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/data_structures/graph.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn new(name: String) -> Vertex {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/data_structures/graph.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn new(from: Uuid, to: Uuid, name: Option<String>, weight: Option<W>) -> Edge<W> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.29s
[INFO] running `Command { std: "docker" "inspect" "ab8180994967266f64e764e487c3ff9cdc473c929212f555cc5d60c250daadec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab8180994967266f64e764e487c3ff9cdc473c929212f555cc5d60c250daadec", kill_on_drop: false }`
[INFO] [stdout] ab8180994967266f64e764e487c3ff9cdc473c929212f555cc5d60c250daadec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] f4346eb3c987e00d7c453cead6f0a2f40ce5b8960e6e47d6530300e15eaef4c9
[INFO] running `Command { std: "docker" "start" "-a" "f4346eb3c987e00d7c453cead6f0a2f40ce5b8960e6e47d6530300e15eaef4c9", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Sub`
[INFO] [stderr]  --> src/data_structures/graph.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::{Add, Sub};
[INFO] [stderr]   |                     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/data_structures/graph.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn are_adjacent(&self, n: Vertex, m: Vertex) -> bool {
[INFO] [stderr]    |                            ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]   --> src/data_structures/graph.rs:12:36
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn are_adjacent(&self, n: Vertex, m: Vertex) -> bool {
[INFO] [stderr]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `are_adjacent`
[INFO] [stderr]   --> src/data_structures/graph.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn are_adjacent(&self, n: Vertex, m: Vertex) -> bool {
[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/data_structures/graph.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn new(name: String) -> Vertex {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/data_structures/graph.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn new(from: Uuid, to: Uuid, name: Option<String>, weight: Option<W>) -> Edge<W> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sub`
[INFO] [stderr]  --> src/data_structures/graph.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::{Add, Sub};
[INFO] [stderr]   |                     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/data_structures/graph.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn are_adjacent(&self, n: Vertex, m: Vertex) -> bool {
[INFO] [stderr]    |                            ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]   --> src/data_structures/graph.rs:12:36
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn are_adjacent(&self, n: Vertex, m: Vertex) -> bool {
[INFO] [stderr]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `are_adjacent`
[INFO] [stderr]   --> src/data_structures/graph.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn are_adjacent(&self, n: Vertex, m: Vertex) -> bool {
[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/data_structures/graph.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn new(name: String) -> Vertex {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/data_structures/graph.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn new(from: Uuid, to: Uuid, name: Option<String>, weight: Option<W>) -> Edge<W> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/algorithms-feba382912690941
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/data_structures-484c183e5b043b54
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sorting-01d915e195d309ac
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test bubble_sort::unsorted ... ok
[INFO] [stdout] test bubble_sort::already_sorted ... ok
[INFO] [stdout] test bubble_sort::reversed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests algorithms
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f4346eb3c987e00d7c453cead6f0a2f40ce5b8960e6e47d6530300e15eaef4c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4346eb3c987e00d7c453cead6f0a2f40ce5b8960e6e47d6530300e15eaef4c9", kill_on_drop: false }`
[INFO] [stdout] f4346eb3c987e00d7c453cead6f0a2f40ce5b8960e6e47d6530300e15eaef4c9