[INFO] cloning repository https://github.com/nacho-vlad/graph-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nacho-vlad/graph-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnacho-vlad%2Fgraph-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnacho-vlad%2Fgraph-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2c787dccbb5c0817eecc8b187fffdf70355d392
[INFO] testing nacho-vlad/graph-rs against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnacho-vlad%2Fgraph-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nacho-vlad/graph-rs
[INFO] finished tweaking git repo https://github.com/nacho-vlad/graph-rs
[INFO] tweaked toml for git repo https://github.com/nacho-vlad/graph-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nacho-vlad/graph-rs on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nacho-vlad/graph-rs 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded generational-arena v0.2.8
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded rustyline v8.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7afc34a1eb33cd53f0111d9ee821348585bd3eec91f01558dfa5866ee7d49ecb
[INFO] running `Command { std: "docker" "start" "-a" "7afc34a1eb33cd53f0111d9ee821348585bd3eec91f01558dfa5866ee7d49ecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7afc34a1eb33cd53f0111d9ee821348585bd3eec91f01558dfa5866ee7d49ecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7afc34a1eb33cd53f0111d9ee821348585bd3eec91f01558dfa5866ee7d49ecb", kill_on_drop: false }`
[INFO] [stdout] 7afc34a1eb33cd53f0111d9ee821348585bd3eec91f01558dfa5866ee7d49ecb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c5ec9cff642a13885cd67175c61eb254c5648ae9ba2b79d50c0da0934a2e30b
[INFO] running `Command { std: "docker" "start" "-a" "1c5ec9cff642a13885cd67175c61eb254c5648ae9ba2b79d50c0da0934a2e30b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling generational-arena v0.2.8
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling rustyline v8.0.0
[INFO] [stderr]    Compiling graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:150:21
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn vertices(&self) -> generational_arena::Iter<V> {
[INFO] [stdout]     |                     ^^^^^     --------------------------- the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn vertices(&self) -> generational_arena::Iter<'_, V> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:155:18
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub fn edges(&self) -> hash_map::Iter<EdgeId, E> {
[INFO] [stdout]     |                  ^^^^^     ------------------------- the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub fn edges(&self) -> hash_map::Iter<'_, EdgeId, E> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:292:21
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn vertices(&self) -> hash_map::Keys<V, VertexId> {
[INFO] [stdout]     |                     ^^^^^     --------------------------- the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn vertices(&self) -> hash_map::Keys<'_, V, VertexId> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_graph` is never used
[INFO] [stdout]  --> src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn random_graph(vertices: u32, edges: u32) -> GraphMap<u32,u32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.84s
[INFO] running `Command { std: "docker" "inspect" "1c5ec9cff642a13885cd67175c61eb254c5648ae9ba2b79d50c0da0934a2e30b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c5ec9cff642a13885cd67175c61eb254c5648ae9ba2b79d50c0da0934a2e30b", kill_on_drop: false }`
[INFO] [stdout] 1c5ec9cff642a13885cd67175c61eb254c5648ae9ba2b79d50c0da0934a2e30b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e65806fc8ac87006fd43bff3e464f826d8d5922e68ec24ecf2b644109c3725dc
[INFO] running `Command { std: "docker" "start" "-a" "e65806fc8ac87006fd43bff3e464f826d8d5922e68ec24ecf2b644109c3725dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:150:21
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn vertices(&self) -> generational_arena::Iter<V> {
[INFO] [stdout]     |                     ^^^^^     --------------------------- the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn vertices(&self) -> generational_arena::Iter<'_, V> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:155:18
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub fn edges(&self) -> hash_map::Iter<EdgeId, E> {
[INFO] [stdout]     |                  ^^^^^     ------------------------- the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub fn edges(&self) -> hash_map::Iter<'_, EdgeId, E> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:292:21
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn vertices(&self) -> hash_map::Keys<V, VertexId> {
[INFO] [stdout]     |                     ^^^^^     --------------------------- the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn vertices(&self) -> hash_map::Keys<'_, V, VertexId> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:150:21
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn vertices(&self) -> generational_arena::Iter<V> {
[INFO] [stdout]     |                     ^^^^^     --------------------------- the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn vertices(&self) -> generational_arena::Iter<'_, V> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:155:18
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub fn edges(&self) -> hash_map::Iter<EdgeId, E> {
[INFO] [stdout]     |                  ^^^^^     ------------------------- the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub fn edges(&self) -> hash_map::Iter<'_, EdgeId, E> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:292:21
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn vertices(&self) -> hash_map::Keys<V, VertexId> {
[INFO] [stdout]     |                     ^^^^^     --------------------------- the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn vertices(&self) -> hash_map::Keys<'_, V, VertexId> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_graph` is never used
[INFO] [stdout]  --> src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn random_graph(vertices: u32, edges: u32) -> GraphMap<u32,u32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "e65806fc8ac87006fd43bff3e464f826d8d5922e68ec24ecf2b644109c3725dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e65806fc8ac87006fd43bff3e464f826d8d5922e68ec24ecf2b644109c3725dc", kill_on_drop: false }`
[INFO] [stdout] e65806fc8ac87006fd43bff3e464f826d8d5922e68ec24ecf2b644109c3725dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] afabd3ca2cf43b4f61e325f613209e493fa0fe62806618aff23bea9ca76c32a3
[INFO] running `Command { std: "docker" "start" "-a" "afabd3ca2cf43b4f61e325f613209e493fa0fe62806618aff23bea9ca76c32a3", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:150:21
[INFO] [stderr]     |
[INFO] [stderr] 150 |     pub fn vertices(&self) -> generational_arena::Iter<V> {
[INFO] [stderr]     |                     ^^^^^     --------------------------- the same lifetime is hidden here
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 150 |     pub fn vertices(&self) -> generational_arena::Iter<'_, V> {
[INFO] [stderr]     |                                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:155:18
[INFO] [stderr]     |
[INFO] [stderr] 155 |     pub fn edges(&self) -> hash_map::Iter<EdgeId, E> {
[INFO] [stderr]     |                  ^^^^^     ------------------------- the same lifetime is hidden here
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 155 |     pub fn edges(&self) -> hash_map::Iter<'_, EdgeId, E> {
[INFO] [stderr]     |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:292:21
[INFO] [stderr]     |
[INFO] [stderr] 292 |     pub fn vertices(&self) -> hash_map::Keys<V, VertexId> {
[INFO] [stderr]     |                     ^^^^^     --------------------------- the same lifetime is hidden here
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 292 |     pub fn vertices(&self) -> hash_map::Keys<'_, V, VertexId> {
[INFO] [stderr]     |                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: `graph` (lib) generated 3 warnings
[INFO] [stderr] warning: `graph` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: function `random_graph` is never used
[INFO] [stderr]  --> src/main.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn random_graph(vertices: u32, edges: u32) -> GraphMap<u32,u32> {
[INFO] [stderr]   |    ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `graph` (bin "graph" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/graph-5dca7bd542d428ad)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/graph-e9e684812a21e76a)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests 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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "afabd3ca2cf43b4f61e325f613209e493fa0fe62806618aff23bea9ca76c32a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afabd3ca2cf43b4f61e325f613209e493fa0fe62806618aff23bea9ca76c32a3", kill_on_drop: false }`
[INFO] [stdout] afabd3ca2cf43b4f61e325f613209e493fa0fe62806618aff23bea9ca76c32a3
