[INFO] crate r-graph 0.1.5 is already in cache
[INFO] testing r-graph-0.1.5 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate r-graph 0.1.5 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate r-graph 0.1.5 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate r-graph 0.1.5
[INFO] finished tweaking crates.io crate r-graph 0.1.5
[INFO] tweaked toml for crates.io crate r-graph 0.1.5 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c8d40fc62d6afe244744dae266533cf8c6a53b8c8cf635fd3aa017ac6df7c0c
[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" "1c8d40fc62d6afe244744dae266533cf8c6a53b8c8cf635fd3aa017ac6df7c0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c8d40fc62d6afe244744dae266533cf8c6a53b8c8cf635fd3aa017ac6df7c0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c8d40fc62d6afe244744dae266533cf8c6a53b8c8cf635fd3aa017ac6df7c0c", kill_on_drop: false }`
[INFO] [stdout] 1c8d40fc62d6afe244744dae266533cf8c6a53b8c8cf635fd3aa017ac6df7c0c
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34c61a4e22f6b9f761a02dbfd6a8c9c1782fe90ecf32ae0fb73dd1e65db4b622
[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" "34c61a4e22f6b9f761a02dbfd6a8c9c1782fe90ecf32ae0fb73dd1e65db4b622", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling r-graph v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `AddEdge`, `Undirected`
[INFO] [stdout]  --> src/extended/clique.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::dev::orientation::{AddEdge, Orientation, Undirected};
[INFO] [stdout]   |                               ^^^^^^^               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AddVertex`, `GetVertex`, `Vertices`
[INFO] [stdout]  --> src/extended/clique.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::dev::{AddVertex, GetVertex, Neighbours, Vertices, orientation};
[INFO] [stdout]   |                  ^^^^^^^^^  ^^^^^^^^^              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SubGraph`
[INFO] [stdout]  --> src/extended/clique.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::wrapper::sub::{intersection, SubGraph};
[INFO] [stdout]   |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::dev::transform::transformers::VertexKey`
[INFO] [stdout]   --> src/extended/clique.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::dev::transform::transformers::VertexKey;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Orientation`
[INFO] [stdout]  --> src/wrapper/sub.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::dev::orientation::{AddEdge, Orientation};
[INFO] [stdout]   |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `commit`
[INFO] [stdout]   --> src/wrapper/transaction.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn commit(self) -> Graph {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.19s
[INFO] running `Command { std: "docker" "inspect" "34c61a4e22f6b9f761a02dbfd6a8c9c1782fe90ecf32ae0fb73dd1e65db4b622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34c61a4e22f6b9f761a02dbfd6a8c9c1782fe90ecf32ae0fb73dd1e65db4b622", kill_on_drop: false }`
[INFO] [stdout] 34c61a4e22f6b9f761a02dbfd6a8c9c1782fe90ecf32ae0fb73dd1e65db4b622
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20c9ce8cfbc8839c9e1f65aee15e84b252008734f9192884c355fc1412cdcbb7
[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" "20c9ce8cfbc8839c9e1f65aee15e84b252008734f9192884c355fc1412cdcbb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling r-graph v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `AddEdge`, `Undirected`
[INFO] [stdout]  --> src/extended/clique.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::dev::orientation::{AddEdge, Orientation, Undirected};
[INFO] [stdout]   |                               ^^^^^^^               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AddVertex`, `GetVertex`, `Vertices`
[INFO] [stdout]  --> src/extended/clique.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::dev::{AddVertex, GetVertex, Neighbours, Vertices, orientation};
[INFO] [stdout]   |                  ^^^^^^^^^  ^^^^^^^^^              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SubGraph`
[INFO] [stdout]  --> src/extended/clique.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::wrapper::sub::{intersection, SubGraph};
[INFO] [stdout]   |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::dev::transform::transformers::VertexKey`
[INFO] [stdout]   --> src/extended/clique.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::dev::transform::transformers::VertexKey;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Orientation`
[INFO] [stdout]  --> src/wrapper/sub.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::dev::orientation::{AddEdge, Orientation};
[INFO] [stdout]   |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `commit`
[INFO] [stdout]   --> src/wrapper/transaction.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn commit(self) -> Graph {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AddEdge`, `Undirected`
[INFO] [stdout]  --> src/extended/clique.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::dev::orientation::{AddEdge, Orientation, Undirected};
[INFO] [stdout]   |                               ^^^^^^^               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AddVertex`, `GetVertex`, `Vertices`
[INFO] [stdout]  --> src/extended/clique.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::dev::{AddVertex, GetVertex, Neighbours, Vertices, orientation};
[INFO] [stdout]   |                  ^^^^^^^^^  ^^^^^^^^^              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SubGraph`
[INFO] [stdout]  --> src/extended/clique.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::wrapper::sub::{intersection, SubGraph};
[INFO] [stdout]   |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::dev::transform::transformers::VertexKey`
[INFO] [stdout]   --> src/extended/clique.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::dev::transform::transformers::VertexKey;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Orientation`
[INFO] [stdout]  --> src/wrapper/sub.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::dev::orientation::{AddEdge, Orientation};
[INFO] [stdout]   |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `commit`
[INFO] [stdout]   --> src/wrapper/transaction.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn commit(self) -> Graph {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/wrapper/logger.rs:318:9
[INFO] [stdout]     |
[INFO] [stdout] 318 |         graph.add_vertex((0, ()));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.55s
[INFO] running `Command { std: "docker" "inspect" "20c9ce8cfbc8839c9e1f65aee15e84b252008734f9192884c355fc1412cdcbb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c9ce8cfbc8839c9e1f65aee15e84b252008734f9192884c355fc1412cdcbb7", kill_on_drop: false }`
[INFO] [stdout] 20c9ce8cfbc8839c9e1f65aee15e84b252008734f9192884c355fc1412cdcbb7
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40a93b7190aa7a7ce7912dfb60149634310e68b9ecae4dcdfcdc03d3d81c1c5f
[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" "40a93b7190aa7a7ce7912dfb60149634310e68b9ecae4dcdfcdc03d3d81c1c5f", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `AddEdge`, `Undirected`
[INFO] [stderr]  --> src/extended/clique.rs:1:31
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::dev::orientation::{AddEdge, Orientation, Undirected};
[INFO] [stderr]   |                               ^^^^^^^               ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AddVertex`, `GetVertex`, `Vertices`
[INFO] [stderr]  --> src/extended/clique.rs:3:18
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::dev::{AddVertex, GetVertex, Neighbours, Vertices, orientation};
[INFO] [stderr]   |                  ^^^^^^^^^  ^^^^^^^^^              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SubGraph`
[INFO] [stderr]  --> src/extended/clique.rs:5:41
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::wrapper::sub::{intersection, SubGraph};
[INFO] [stderr]   |                                         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::dev::transform::transformers::VertexKey`
[INFO] [stderr]   --> src/extended/clique.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::dev::transform::transformers::VertexKey;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AddEdge`, `Undirected`
[INFO] [stderr]  --> src/extended/clique.rs:1:31
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::dev::orientation::{AddEdge, Orientation, Undirected};
[INFO] [stderr]   |                               ^^^^^^^               ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AddVertex`, `GetVertex`, `Vertices`
[INFO] [stderr]  --> src/extended/clique.rs:3:18
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::dev::{AddVertex, GetVertex, Neighbours, Vertices, orientation};
[INFO] [stderr]   |                  ^^^^^^^^^  ^^^^^^^^^              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SubGraph`
[INFO] [stderr]  --> src/extended/clique.rs:5:41
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::wrapper::sub::{intersection, SubGraph};
[INFO] [stderr]   |                                         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::dev::transform::transformers::VertexKey`
[INFO] [stderr]   --> src/extended/clique.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::dev::transform::transformers::VertexKey;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Orientation`
[INFO] [stderr]  --> src/wrapper/sub.rs:1:40
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::dev::orientation::{AddEdge, Orientation};
[INFO] [stderr]   |                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Orientation`
[INFO] [stderr]  --> src/wrapper/sub.rs:1:40
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::dev::orientation::{AddEdge, Orientation};
[INFO] [stderr]   |                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `commit`
[INFO] [stderr]   --> src/wrapper/transaction.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn commit(self) -> Graph {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `commit`
[INFO] [stderr]   --> src/wrapper/transaction.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn commit(self) -> Graph {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/wrapper/logger.rs:318:9
[INFO] [stderr]     |
[INFO] [stderr] 318 |         graph.add_vertex((0, ()));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/r_graph-8042c1d8f224e64a
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test extended::cyclic::tests::simple_directed_cycle ... ok
[INFO] [stdout] test extended::cyclic::tests::simple_undirected_cycle ... ok
[INFO] [stdout] test extended::cyclic::tests::simple_undirected_non_cycle ... ok
[INFO] [stdout] test extended::path::breadth::tests::disconnected ... ok
[INFO] [stdout] test extended::path::breadth::tests::multiple_edges ... ok
[INFO] [stdout] test extended::path::breadth::tests::complex_graph ... ok
[INFO] [stdout] test extended::path::breadth::tests::multiple_paths ... ok
[INFO] [stdout] test extended::path::dijkstra::tests::disconnected ... ok
[INFO] [stdout] test extended::path::dijkstra::tests::complex_graph ... ok
[INFO] [stdout] test wrapper::logger::tests::add_vertex ... ok
[INFO] [stdout] test extended::path::breadth::tests::single_edge ... ok
[INFO] [stdout] test extended::path::dijkstra::tests::multiple_paths ... ok
[INFO] [stdout] test extended::path::dijkstra::tests::single_edge ... ok
[INFO] [stdout] test wrapper::logger::tests::add_edge ... ok
[INFO] [stdout] test extended::path::dijkstra::tests::multiple_edges ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests r-graph
[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" "40a93b7190aa7a7ce7912dfb60149634310e68b9ecae4dcdfcdc03d3d81c1c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a93b7190aa7a7ce7912dfb60149634310e68b9ecae4dcdfcdc03d3d81c1c5f", kill_on_drop: false }`
[INFO] [stdout] 40a93b7190aa7a7ce7912dfb60149634310e68b9ecae4dcdfcdc03d3d81c1c5f