[INFO] fetching crate dotwalk 0.1.0...
[INFO] testing dotwalk-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate dotwalk 0.1.0 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dotwalk 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 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] af176bba9ca5161978801f0c62e821cad5928e4f77e8710f980558ce0330b409
[INFO] running `Command { std: "docker" "start" "-a" "af176bba9ca5161978801f0c62e821cad5928e4f77e8710f980558ce0330b409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af176bba9ca5161978801f0c62e821cad5928e4f77e8710f980558ce0330b409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af176bba9ca5161978801f0c62e821cad5928e4f77e8710f980558ce0330b409", kill_on_drop: false }`
[INFO] [stdout] af176bba9ca5161978801f0c62e821cad5928e4f77e8710f980558ce0330b409
[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] e0312a1fbe3725dd80236a4aba867f83b9005848d21e7669a1fcd2eae717e406
[INFO] running `Command { std: "docker" "start" "-a" "e0312a1fbe3725dd80236a4aba867f83b9005848d21e7669a1fcd2eae717e406", 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:460:21
[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:512:20
[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:542:20
[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:602:24
[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 0.56s
[INFO] running `Command { std: "docker" "inspect" "e0312a1fbe3725dd80236a4aba867f83b9005848d21e7669a1fcd2eae717e406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0312a1fbe3725dd80236a4aba867f83b9005848d21e7669a1fcd2eae717e406", kill_on_drop: false }`
[INFO] [stdout] e0312a1fbe3725dd80236a4aba867f83b9005848d21e7669a1fcd2eae717e406
[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] 85f575e05c0fabc8d81dcd4284e77943c8f9b8eeed71e41541dc35ad005f7b7c
[INFO] running `Command { std: "docker" "start" "-a" "85f575e05c0fabc8d81dcd4284e77943c8f9b8eeed71e41541dc35ad005f7b7c", kill_on_drop: false }`
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:460:21
[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] [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:512:20
[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:542:20
[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:602:24
[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:460:21
[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:512:20
[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:542:20
[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:602:24
[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 0.97s
[INFO] running `Command { std: "docker" "inspect" "85f575e05c0fabc8d81dcd4284e77943c8f9b8eeed71e41541dc35ad005f7b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85f575e05c0fabc8d81dcd4284e77943c8f9b8eeed71e41541dc35ad005f7b7c", kill_on_drop: false }`
[INFO] [stdout] 85f575e05c0fabc8d81dcd4284e77943c8f9b8eeed71e41541dc35ad005f7b7c
[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] 9bc303b8e8cc406613a219aa42d48ae9bd3d79602e1534228f762d9ca319f4d5
[INFO] running `Command { std: "docker" "start" "-a" "9bc303b8e8cc406613a219aa42d48ae9bd3d79602e1534228f762d9ca319f4d5", kill_on_drop: false }`
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:460:21
[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:512:20
[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:542:20
[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:602:24
[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
[INFO] [stderr] warning: `dotwalk` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dotwalk-187f502c32b2e912)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test tests::default_style_graph ... ok
[INFO] [stdout] test tests::badly_formatted_id ... ok
[INFO] [stdout] test tests::digraph_with_rankdir ... ok
[INFO] [stdout] test tests::default_style_digraph ... ok
[INFO] [stdout] test tests::empty_graph ... ok
[INFO] [stdout] test tests::left_aligned_text ... ok
[INFO] [stdout] test tests::hasse_diagram ... ok
[INFO] [stdout] test tests::simple_id_construction ... ok
[INFO] [stdout] test tests::single_cyclic_node ... ok
[INFO] [stdout] test tests::single_edge_with_style ... ok
[INFO] [stdout] test tests::test_some_arrow ... ok
[INFO] [stdout] test tests::single_node ... ok
[INFO] [stdout] test tests::subgraph ... ok
[INFO] [stdout] test tests::single_edge ... ok
[INFO] [stdout] test tests::test_some_arrows ... ok
[INFO] [stderr]    Doc-tests dotwalk
[INFO] [stdout] test tests::test_some_labelled ... ok
[INFO] [stdout] test tests::single_node_with_style ... 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 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 385) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - (line 152) ... ok
[INFO] [stdout] test src/lib.rs - (line 233) ... ok
[INFO] [stdout] test src/lib.rs - (line 312) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9bc303b8e8cc406613a219aa42d48ae9bd3d79602e1534228f762d9ca319f4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bc303b8e8cc406613a219aa42d48ae9bd3d79602e1534228f762d9ca319f4d5", kill_on_drop: false }`
[INFO] [stdout] 9bc303b8e8cc406613a219aa42d48ae9bd3d79602e1534228f762d9ca319f4d5
