[INFO] cloning repository https://github.com/klinhbui/final_project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/klinhbui/final_project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklinhbui%2Ffinal_project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklinhbui%2Ffinal_project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9774a5fd40f2d0af5e7404664c1f68e28214813f
[INFO] testing klinhbui/final_project against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklinhbui%2Ffinal_project" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/klinhbui/final_project
[INFO] finished tweaking git repo https://github.com/klinhbui/final_project
[INFO] tweaked toml for git repo https://github.com/klinhbui/final_project written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/klinhbui/final_project on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/klinhbui/final_project 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 673ab56b66dfb601ca7072856d12fc74ea9aca8fa3ea28ff67d5d88e2d2c5047
[INFO] running `Command { std: "docker" "start" "-a" "673ab56b66dfb601ca7072856d12fc74ea9aca8fa3ea28ff67d5d88e2d2c5047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "673ab56b66dfb601ca7072856d12fc74ea9aca8fa3ea28ff67d5d88e2d2c5047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "673ab56b66dfb601ca7072856d12fc74ea9aca8fa3ea28ff67d5d88e2d2c5047", kill_on_drop: false }`
[INFO] [stdout] 673ab56b66dfb601ca7072856d12fc74ea9aca8fa3ea28ff67d5d88e2d2c5047
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62d62b2164e4cee416152730fe1ec5e1c190efe83951e427ef119dec4a0fa198
[INFO] running `Command { std: "docker" "start" "-a" "62d62b2164e4cee416152730fe1ec5e1c190efe83951e427ef119dec4a0fa198", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling final_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::dataprep::Book`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::dataprep::Book;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `degree_distribution`
[INFO] [stdout]   --> src/main.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |             let degree_distribution = analyze_degree_distribution(&graph);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_degree_distribution`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Book` instead of cloning the inner type
[INFO] [stdout]   --> src/graph.rs:21:73
[INFO] [stdout]    |
[INFO] [stdout] 21 |                     let target_book = graph.node_weight(target).unwrap().clone();
[INFO] [stdout]    |                                                                         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.24s
[INFO] running `Command { std: "docker" "inspect" "62d62b2164e4cee416152730fe1ec5e1c190efe83951e427ef119dec4a0fa198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62d62b2164e4cee416152730fe1ec5e1c190efe83951e427ef119dec4a0fa198", kill_on_drop: false }`
[INFO] [stdout] 62d62b2164e4cee416152730fe1ec5e1c190efe83951e427ef119dec4a0fa198
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54b20e0cc3f4a872dd2c0a55ee132aefa554c8d69f82781ecd14f50e3fc1cab2
[INFO] running `Command { std: "docker" "start" "-a" "54b20e0cc3f4a872dd2c0a55ee132aefa554c8d69f82781ecd14f50e3fc1cab2", kill_on_drop: false }`
[INFO] [stderr]    Compiling final_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `petgraph::graph::DiGraph`
[INFO] [stdout]    --> src/graph.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     use petgraph::graph::DiGraph;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::dataprep::Book`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::dataprep::Book;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `degree_distribution`
[INFO] [stdout]   --> src/main.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |             let degree_distribution = analyze_degree_distribution(&graph);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_degree_distribution`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&dataprep::Book` instead of cloning the inner type
[INFO] [stdout]   --> src/graph.rs:21:73
[INFO] [stdout]    |
[INFO] [stdout] 21 |                     let target_book = graph.node_weight(target).unwrap().clone();
[INFO] [stdout]    |                                                                         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "54b20e0cc3f4a872dd2c0a55ee132aefa554c8d69f82781ecd14f50e3fc1cab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b20e0cc3f4a872dd2c0a55ee132aefa554c8d69f82781ecd14f50e3fc1cab2", kill_on_drop: false }`
[INFO] [stdout] 54b20e0cc3f4a872dd2c0a55ee132aefa554c8d69f82781ecd14f50e3fc1cab2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5cb15cd224c2d9ac61346d3f65cc31ef01dbe8f8fb3a561743e322dfcafd5abe
[INFO] running `Command { std: "docker" "start" "-a" "5cb15cd224c2d9ac61346d3f65cc31ef01dbe8f8fb3a561743e322dfcafd5abe", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `petgraph::graph::DiGraph`
[INFO] [stderr]    --> src/graph.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 |     use petgraph::graph::DiGraph;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::dataprep::Book`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::dataprep::Book;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `degree_distribution`
[INFO] [stderr]   --> src/main.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let degree_distribution = analyze_degree_distribution(&graph);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_degree_distribution`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&dataprep::Book` instead of cloning the inner type
[INFO] [stderr]   --> src/graph.rs:21:73
[INFO] [stderr]    |
[INFO] [stderr] 21 |                     let target_book = graph.node_weight(target).unwrap().clone();
[INFO] [stderr]    |                                                                         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `final_project` (bin "final_project" test) generated 4 warnings (run `cargo fix --bin "final_project" -p final_project --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/final_project-a2cc0c1d2f4c0910)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test graph::tests::test_analyze_degree_distribution ... ok
[INFO] [stdout] test graph::tests::test_build_graph ... ok
[INFO] [stdout] test graph::tests::test_find_most_similar_neighbors ... ok
[INFO] [stdout] test graph::tests::test_find_highly_connected_nodes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5cb15cd224c2d9ac61346d3f65cc31ef01dbe8f8fb3a561743e322dfcafd5abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cb15cd224c2d9ac61346d3f65cc31ef01dbe8f8fb3a561743e322dfcafd5abe", kill_on_drop: false }`
[INFO] [stdout] 5cb15cd224c2d9ac61346d3f65cc31ef01dbe8f8fb3a561743e322dfcafd5abe
