[INFO] cloning repository https://github.com/brurucy/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/brurucy/rust_graphs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrurucy%2Frust_graphs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrurucy%2Frust_graphs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec26fe2942507785fd574fe9aced98bbc2d488bf
[INFO] testing brurucy/rust_graphs against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrurucy%2Frust_graphs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  85% (12/14)   
Checking out files:  92% (13/14)   
Checking out files: 100% (14/14)   
Checking out files: 100% (14/14), done.
[INFO] validating manifest of git repo https://github.com/brurucy/rust_graphs on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brurucy/rust_graphs
[INFO] finished tweaking git repo https://github.com/brurucy/rust_graphs
[INFO] tweaked toml for git repo https://github.com/brurucy/rust_graphs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/brurucy/rust_graphs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hashbrown v0.8.0
[INFO] [stderr]   Downloaded timely_logging v0.11.1
[INFO] [stderr]   Downloaded timely_bytes v0.11.0
[INFO] [stderr]   Downloaded timely_communication v0.11.1
[INFO] [stderr]   Downloaded timely v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] f1d1715011c7417a233e939a027add6a63cd72c7ec319fe35c2d837c1e8fdc4d
[INFO] running `Command { std: "docker" "start" "-a" "f1d1715011c7417a233e939a027add6a63cd72c7ec319fe35c2d837c1e8fdc4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1d1715011c7417a233e939a027add6a63cd72c7ec319fe35c2d837c1e8fdc4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1d1715011c7417a233e939a027add6a63cd72c7ec319fe35c2d837c1e8fdc4d", kill_on_drop: false }`
[INFO] [stdout] f1d1715011c7417a233e939a027add6a63cd72c7ec319fe35c2d837c1e8fdc4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 690f43a4b951aa5856fe02416b22592dc0e364b9f2dec9510d9e1cba8152d8eb
[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" "690f43a4b951aa5856fe02416b22592dc0e364b9f2dec9510d9e1cba8152d8eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling timely_logging v0.11.1
[INFO] [stderr]    Compiling abomonation v0.7.3
[INFO] [stderr]    Compiling timely_bytes v0.11.0
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling hashbrown v0.8.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling abomonation_derive v0.5.0
[INFO] [stderr]    Compiling timely_communication v0.11.1
[INFO] [stderr]    Compiling timely v0.11.1
[INFO] [stderr]    Compiling Graphs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufRead`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::BufRead;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Directed`, `Undirected`
[INFO] [stdout]  --> src/main.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::graphs::GraphType::{Directed, Undirected};
[INFO] [stdout]   |                                ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hashbrown::HashMap`
[INFO] [stdout]  --> src/graphs.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hashbrown::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/graphs.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |             for (v) in self.adjacency(&current) {
[INFO] [stdout]     |                 ^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/graphs.rs:186:17
[INFO] [stdout]     |
[INFO] [stdout] 186 |             for (v) in self.adjacency(&current) {
[INFO] [stdout]     |                 ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Directed`
[INFO] [stdout]   --> src/graphs.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Directed,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Graphs` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `graphs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]   --> src/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut G : IntGraph = IntGraph::new();
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.01s
[INFO] running `Command { std: "docker" "inspect" "690f43a4b951aa5856fe02416b22592dc0e364b9f2dec9510d9e1cba8152d8eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "690f43a4b951aa5856fe02416b22592dc0e364b9f2dec9510d9e1cba8152d8eb", kill_on_drop: false }`
[INFO] [stdout] 690f43a4b951aa5856fe02416b22592dc0e364b9f2dec9510d9e1cba8152d8eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8fb2459f9cbb57923840cb3fac425d75b4d4ce78eda64e38b0471631c1baed3
[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" "d8fb2459f9cbb57923840cb3fac425d75b4d4ce78eda64e38b0471631c1baed3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling Graphs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufRead`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::BufRead;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Directed`, `Undirected`
[INFO] [stdout]  --> src/main.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::graphs::GraphType::{Directed, Undirected};
[INFO] [stdout]   |                                ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hashbrown::HashMap`
[INFO] [stdout]  --> src/graphs.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hashbrown::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/graphs.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |             for (v) in self.adjacency(&current) {
[INFO] [stdout]     |                 ^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/graphs.rs:186:17
[INFO] [stdout]     |
[INFO] [stdout] 186 |             for (v) in self.adjacency(&current) {
[INFO] [stdout]     |                 ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hashbrown::HashMap`
[INFO] [stdout]    --> src/graphs.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |     use hashbrown::HashMap;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/graphs.rs:261:13
[INFO] [stdout]     |
[INFO] [stdout] 261 |         let mut G: IntGraph = IntGraph::new();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Graphs` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `graphs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]   --> src/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut G : IntGraph = IntGraph::new();
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]    --> src/graphs.rs:211:17
[INFO] [stdout]     |
[INFO] [stdout] 211 |         let mut G: IntGraph = hashbrown::HashMap::new();
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]    --> src/graphs.rs:224:17
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let mut G: IntGraph = hashbrown::HashMap::new();
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]    --> src/graphs.rs:237:17
[INFO] [stdout]     |
[INFO] [stdout] 237 |         let mut G: IntGraph = IntGraph::new();
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]    --> src/graphs.rs:250:17
[INFO] [stdout]     |
[INFO] [stdout] 250 |         let mut G: IntGraph = IntGraph::new();
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]    --> src/graphs.rs:261:17
[INFO] [stdout]     |
[INFO] [stdout] 261 |         let mut G: IntGraph = IntGraph::new();
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "d8fb2459f9cbb57923840cb3fac425d75b4d4ce78eda64e38b0471631c1baed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8fb2459f9cbb57923840cb3fac425d75b4d4ce78eda64e38b0471631c1baed3", kill_on_drop: false }`
[INFO] [stdout] d8fb2459f9cbb57923840cb3fac425d75b4d4ce78eda64e38b0471631c1baed3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8b31c7f78349b1bf2215fbb6c6baa1ff1757c5ae94241db6e1de916b0fc8f34d
[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" "8b31c7f78349b1bf2215fbb6c6baa1ff1757c5ae94241db6e1de916b0fc8f34d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::io::BufRead`
[INFO] [stdout] running 5 tests
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::BufRead;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Directed`, `Undirected`
[INFO] [stderr]  --> src/main.rs:7:32
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::graphs::GraphType::{Directed, Undirected};
[INFO] [stderr]   |                                ^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hashbrown::HashMap`
[INFO] [stderr]  --> src/graphs.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use hashbrown::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]    --> src/graphs.rs:150:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |             for (v) in self.adjacency(&current) {
[INFO] [stderr]     |                 ^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]    --> src/graphs.rs:186:17
[INFO] [stderr]     |
[INFO] [stderr] 186 |             for (v) in self.adjacency(&current) {
[INFO] [stderr]     |                 ^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hashbrown::HashMap`
[INFO] [stderr]    --> src/graphs.rs:206:9
[INFO] [stderr]     |
[INFO] [stderr] 206 |     use hashbrown::HashMap;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/graphs.rs:261:13
[INFO] [stderr]     |
[INFO] [stderr] 261 |         let mut G: IntGraph = IntGraph::new();
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Graphs` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `graphs`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `G` should have a snake case name
[INFO] [stderr]   --> src/main.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut G : IntGraph = IntGraph::new();
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `g`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `G` should have a snake case name
[INFO] [stderr]    --> src/graphs.rs:211:17
[INFO] [stderr]     |
[INFO] [stderr] 211 |         let mut G: IntGraph = hashbrown::HashMap::new();
[INFO] [stderr]     |                 ^ help: convert the identifier to snake case: `g`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `G` should have a snake case name
[INFO] [stderr]    --> src/graphs.rs:224:17
[INFO] [stderr]     |
[INFO] [stderr] 224 |         let mut G: IntGraph = hashbrown::HashMap::new();
[INFO] [stderr]     |                 ^ help: convert the identifier to snake case: `g`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `G` should have a snake case name
[INFO] [stderr]    --> src/graphs.rs:237:17
[INFO] [stderr]     |
[INFO] [stderr] 237 |         let mut G: IntGraph = IntGraph::new();
[INFO] [stderr]     |                 ^ help: convert the identifier to snake case: `g`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `G` should have a snake case name
[INFO] [stderr]    --> src/graphs.rs:250:17
[INFO] [stderr]     |
[INFO] [stderr] 250 |         let mut G: IntGraph = IntGraph::new();
[INFO] [stderr]     |                 ^ help: convert the identifier to snake case: `g`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `G` should have a snake case name
[INFO] [stderr]    --> src/graphs.rs:261:17
[INFO] [stderr]     |
[INFO] [stderr] 261 |         let mut G: IntGraph = IntGraph::new();
[INFO] [stderr]     |                 ^ help: convert the identifier to snake case: `g`
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/Graphs-9885dcd057355e79
[INFO] [stdout] test graphs::tests::test_adjacency ... ok
[INFO] [stdout] test graphs::tests::test_edge_count ... ok
[INFO] [stdout] test graphs::tests::test_is_empty ... ok
[INFO] [stdout] test graphs::tests::test_load_data ... ok
[INFO] [stdout] test graphs::tests::test_vertex_count ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8b31c7f78349b1bf2215fbb6c6baa1ff1757c5ae94241db6e1de916b0fc8f34d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b31c7f78349b1bf2215fbb6c6baa1ff1757c5ae94241db6e1de916b0fc8f34d", kill_on_drop: false }`
[INFO] [stdout] 8b31c7f78349b1bf2215fbb6c6baa1ff1757c5ae94241db6e1de916b0fc8f34d