[INFO] fetching crate dotwalk 0.1.0...
[INFO] testing dotwalk-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate dotwalk 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate dotwalk 0.1.0
[INFO] finished tweaking crates.io crate dotwalk 0.1.0
[INFO] tweaked toml for crates.io crate dotwalk 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dotwalk 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd861b377b235e0934a2bb852ba1bc88546f0f2d405dc1a9ba99fb77796c39ee
[INFO] running `Command { std: "docker" "start" "-a" "dd861b377b235e0934a2bb852ba1bc88546f0f2d405dc1a9ba99fb77796c39ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd861b377b235e0934a2bb852ba1bc88546f0f2d405dc1a9ba99fb77796c39ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd861b377b235e0934a2bb852ba1bc88546f0f2d405dc1a9ba99fb77796c39ee", kill_on_drop: false }`
[INFO] [stdout] dd861b377b235e0934a2bb852ba1bc88546f0f2d405dc1a9ba99fb77796c39ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 773b9d5a9d16a2f0984f5736e4b6c54f5de4f8be832be3c6bc0e0fca6c782539
[INFO] running `Command { std: "docker" "start" "-a" "773b9d5a9d16a2f0984f5736e4b6c54f5de4f8be832be3c6bc0e0fca6c782539", kill_on_drop: false }`
[INFO] [stderr]    Compiling dotwalk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:460:41
[INFO] [stdout]     |
[INFO] [stdout] 460 |     fn graph_attrs(&'a self) -> HashMap<&str, &str> {
[INFO] [stdout]     |                     --                  ^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                     |                   |
[INFO] [stdout]     |                     |                   the same lifetime is elided here
[INFO] [stdout]     |                     the lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 460 |     fn graph_attrs(&'a self) -> HashMap<&'a str, &'a str> {
[INFO] [stdout]     |                                          ++       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:512:57
[INFO] [stdout]     |
[INFO] [stdout] 512 |     fn node_attrs(&'a self, _n: &Self::Node) -> HashMap<&str, &str> {
[INFO] [stdout]     |                    --                                   ^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                    |                                    |
[INFO] [stdout]     |                    the lifetime is named here           the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 512 |     fn node_attrs(&'a self, _n: &Self::Node) -> HashMap<&'a str, &'a str> {
[INFO] [stdout]     |                                                          ++       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:542:57
[INFO] [stdout]     |
[INFO] [stdout] 542 |     fn edge_attrs(&'a self, _e: &Self::Edge) -> HashMap<&str, &str> {
[INFO] [stdout]     |                    --                                   ^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                    |                                    |
[INFO] [stdout]     |                    the lifetime is named here           the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 542 |     fn edge_attrs(&'a self, _e: &Self::Edge) -> HashMap<&'a str, &'a str> {
[INFO] [stdout]     |                                                          ++       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:602:65
[INFO] [stdout]     |
[INFO] [stdout] 602 |     fn subgraph_attrs(&'a self, _n: &Self::Subgraph) -> HashMap<&str, &str> {
[INFO] [stdout]     |                        --                                       ^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                        |                                        |
[INFO] [stdout]     |                        the lifetime is named here               the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 602 |     fn subgraph_attrs(&'a self, _n: &Self::Subgraph) -> HashMap<&'a str, &'a str> {
[INFO] [stdout]     |                                                                  ++       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "773b9d5a9d16a2f0984f5736e4b6c54f5de4f8be832be3c6bc0e0fca6c782539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "773b9d5a9d16a2f0984f5736e4b6c54f5de4f8be832be3c6bc0e0fca6c782539", kill_on_drop: false }`
[INFO] [stdout] 773b9d5a9d16a2f0984f5736e4b6c54f5de4f8be832be3c6bc0e0fca6c782539
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a243baf452a38e03e235daab691ef8c4ac02613d5aee414eb6a8c7526b906e52
[INFO] running `Command { std: "docker" "start" "-a" "a243baf452a38e03e235daab691ef8c4ac02613d5aee414eb6a8c7526b906e52", kill_on_drop: false }`
[INFO] [stderr]    Compiling dotwalk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:460:41
[INFO] [stdout]     |
[INFO] [stdout] 460 |     fn graph_attrs(&'a self) -> HashMap<&str, &str> {
[INFO] [stdout]     |                     --                  ^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                     |                   |
[INFO] [stdout]     |                     |                   the same lifetime is elided here
[INFO] [stdout]     |                     the lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 460 |     fn graph_attrs(&'a self) -> HashMap<&'a str, &'a str> {
[INFO] [stdout]     |                                          ++       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:512:57
[INFO] [stdout]     |
[INFO] [stdout] 512 |     fn node_attrs(&'a self, _n: &Self::Node) -> HashMap<&str, &str> {
[INFO] [stdout]     |                    --                                   ^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                    |                                    |
[INFO] [stdout]     |                    the lifetime is named here           the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 512 |     fn node_attrs(&'a self, _n: &Self::Node) -> HashMap<&'a str, &'a str> {
[INFO] [stdout]     |                                                          ++       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:542:57
[INFO] [stdout]     |
[INFO] [stdout] 542 |     fn edge_attrs(&'a self, _e: &Self::Edge) -> HashMap<&str, &str> {
[INFO] [stdout]     |                    --                                   ^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                    |                                    |
[INFO] [stdout]     |                    the lifetime is named here           the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 542 |     fn edge_attrs(&'a self, _e: &Self::Edge) -> HashMap<&'a str, &'a str> {
[INFO] [stdout]     |                                                          ++       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:602:65
[INFO] [stdout]     |
[INFO] [stdout] 602 |     fn subgraph_attrs(&'a self, _n: &Self::Subgraph) -> HashMap<&str, &str> {
[INFO] [stdout]     |                        --                                       ^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                        |                                        |
[INFO] [stdout]     |                        the lifetime is named here               the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 602 |     fn subgraph_attrs(&'a self, _n: &Self::Subgraph) -> HashMap<&'a str, &'a str> {
[INFO] [stdout]     |                                                                  ++       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:460:41
[INFO] [stdout]     |
[INFO] [stdout] 460 |     fn graph_attrs(&'a self) -> HashMap<&str, &str> {
[INFO] [stdout]     |                     --                  ^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                     |                   |
[INFO] [stdout]     |                     |                   the same lifetime is elided here
[INFO] [stdout]     |                     the lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 460 |     fn graph_attrs(&'a self) -> HashMap<&'a str, &'a str> {
[INFO] [stdout]     |                                          ++       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:512:57
[INFO] [stdout]     |
[INFO] [stdout] 512 |     fn node_attrs(&'a self, _n: &Self::Node) -> HashMap<&str, &str> {
[INFO] [stdout]     |                    --                                   ^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                    |                                    |
[INFO] [stdout]     |                    the lifetime is named here           the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 512 |     fn node_attrs(&'a self, _n: &Self::Node) -> HashMap<&'a str, &'a str> {
[INFO] [stdout]     |                                                          ++       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:542:57
[INFO] [stdout]     |
[INFO] [stdout] 542 |     fn edge_attrs(&'a self, _e: &Self::Edge) -> HashMap<&str, &str> {
[INFO] [stdout]     |                    --                                   ^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                    |                                    |
[INFO] [stdout]     |                    the lifetime is named here           the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 542 |     fn edge_attrs(&'a self, _e: &Self::Edge) -> HashMap<&'a str, &'a str> {
[INFO] [stdout]     |                                                          ++       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:602:65
[INFO] [stdout]     |
[INFO] [stdout] 602 |     fn subgraph_attrs(&'a self, _n: &Self::Subgraph) -> HashMap<&str, &str> {
[INFO] [stdout]     |                        --                                       ^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                        |                                        |
[INFO] [stdout]     |                        the lifetime is named here               the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 602 |     fn subgraph_attrs(&'a self, _n: &Self::Subgraph) -> HashMap<&'a str, &'a str> {
[INFO] [stdout]     |                                                                  ++       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "a243baf452a38e03e235daab691ef8c4ac02613d5aee414eb6a8c7526b906e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a243baf452a38e03e235daab691ef8c4ac02613d5aee414eb6a8c7526b906e52", kill_on_drop: false }`
[INFO] [stdout] a243baf452a38e03e235daab691ef8c4ac02613d5aee414eb6a8c7526b906e52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e5327a4d62e6d375484ceb0f2c5e577abfd63860d5bc009b7fe7e2df9778655c
[INFO] running `Command { std: "docker" "start" "-a" "e5327a4d62e6d375484ceb0f2c5e577abfd63860d5bc009b7fe7e2df9778655c", kill_on_drop: false }`
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:460:41
[INFO] [stderr]     |
[INFO] [stderr] 460 |     fn graph_attrs(&'a self) -> HashMap<&str, &str> {
[INFO] [stderr]     |                     --                  ^^^^  ^^^^ the same lifetime is elided here
[INFO] [stderr]     |                     |                   |
[INFO] [stderr]     |                     |                   the same lifetime is elided here
[INFO] [stderr]     |                     the lifetime is named 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: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 460 |     fn graph_attrs(&'a self) -> HashMap<&'a str, &'a str> {
[INFO] [stderr]     |                                          ++       ++
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:512:57
[INFO] [stderr]     |
[INFO] [stderr] 512 |     fn node_attrs(&'a self, _n: &Self::Node) -> HashMap<&str, &str> {
[INFO] [stderr]     |                    --                                   ^^^^  ^^^^ the same lifetime is elided here
[INFO] [stderr]     |                    |                                    |
[INFO] [stderr]     |                    the lifetime is named here           the same 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: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 512 |     fn node_attrs(&'a self, _n: &Self::Node) -> HashMap<&'a str, &'a str> {
[INFO] [stderr]     |                                                          ++       ++
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:542:57
[INFO] [stderr]     |
[INFO] [stderr] 542 |     fn edge_attrs(&'a self, _e: &Self::Edge) -> HashMap<&str, &str> {
[INFO] [stderr]     |                    --                                   ^^^^  ^^^^ the same lifetime is elided here
[INFO] [stderr]     |                    |                                    |
[INFO] [stderr]     |                    the lifetime is named here           the same 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: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 542 |     fn edge_attrs(&'a self, _e: &Self::Edge) -> HashMap<&'a str, &'a str> {
[INFO] [stderr]     |                                                          ++       ++
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:602:65
[INFO] [stderr]     |
[INFO] [stderr] 602 |     fn subgraph_attrs(&'a self, _n: &Self::Subgraph) -> HashMap<&str, &str> {
[INFO] [stderr]     |                        --                                       ^^^^  ^^^^ the same lifetime is elided here
[INFO] [stderr]     |                        |                                        |
[INFO] [stderr]     |                        the lifetime is named here               the same 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: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 602 |     fn subgraph_attrs(&'a self, _n: &Self::Subgraph) -> HashMap<&'a str, &'a str> {
[INFO] [stderr]     |                                                                  ++       ++
[INFO] [stderr] 
[INFO] [stderr] warning: `dotwalk` (lib) generated 4 warnings (run `cargo fix --lib -p dotwalk` to apply 4 suggestions)
[INFO] [stderr] warning: `dotwalk` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dotwalk-32a6ca27f1094066)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test tests::badly_formatted_id ... ok
[INFO] [stdout] test tests::default_style_graph ... ok
[INFO] [stdout] test tests::default_style_digraph ... ok
[INFO] [stdout] test tests::digraph_with_rankdir ... ok
[INFO] [stdout] test tests::empty_graph ... ok
[INFO] [stdout] test tests::left_aligned_text ... ok
[INFO] [stdout] test tests::single_edge_with_style ... ok
[INFO] [stdout] test tests::single_node ... ok
[INFO] [stdout] test tests::simple_id_construction ... ok
[INFO] [stdout] test tests::single_cyclic_node ... ok
[INFO] [stdout] test tests::single_node_with_style ... ok
[INFO] [stdout] test tests::subgraph ... ok
[INFO] [stdout] test tests::single_edge ... ok
[INFO] [stdout] test tests::test_some_labelled ... ok
[INFO] [stdout] test tests::test_some_arrow ... ok
[INFO] [stdout] test tests::test_some_arrows ... ok
[INFO] [stderr]    Doc-tests dotwalk
[INFO] [stdout] test tests::hasse_diagram ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - (line 385) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 100) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 216) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 301) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 312) ... ok
[INFO] [stdout] test src/lib.rs - (line 233) ... ok
[INFO] [stdout] test src/lib.rs - (line 152) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.98s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e5327a4d62e6d375484ceb0f2c5e577abfd63860d5bc009b7fe7e2df9778655c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5327a4d62e6d375484ceb0f2c5e577abfd63860d5bc009b7fe7e2df9778655c", kill_on_drop: false }`
[INFO] [stdout] e5327a4d62e6d375484ceb0f2c5e577abfd63860d5bc009b7fe7e2df9778655c
