[INFO] cloning repository https://github.com/sylvain-reynaud/graphdb-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sylvain-reynaud/graphdb-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsylvain-reynaud%2Fgraphdb-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsylvain-reynaud%2Fgraphdb-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e10d2b8d94c76b4efe8cd6ad5ba6310fe0d4c27
[INFO] testing sylvain-reynaud/graphdb-rs against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsylvain-reynaud%2Fgraphdb-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sylvain-reynaud/graphdb-rs
[INFO] finished tweaking git repo https://github.com/sylvain-reynaud/graphdb-rs
[INFO] tweaked toml for git repo https://github.com/sylvain-reynaud/graphdb-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sylvain-reynaud/graphdb-rs on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sylvain-reynaud/graphdb-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b87ef1b2ec5352509f3d3d6b4101fac24fb64ac20299febbd59989611c90451
[INFO] running `Command { std: "docker" "start" "-a" "9b87ef1b2ec5352509f3d3d6b4101fac24fb64ac20299febbd59989611c90451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b87ef1b2ec5352509f3d3d6b4101fac24fb64ac20299febbd59989611c90451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b87ef1b2ec5352509f3d3d6b4101fac24fb64ac20299febbd59989611c90451", kill_on_drop: false }`
[INFO] [stdout] 9b87ef1b2ec5352509f3d3d6b4101fac24fb64ac20299febbd59989611c90451
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a379649bbf0516c7e46dfc647399f3f99df6b1de78a438897029d7f490eaf2a
[INFO] running `Command { std: "docker" "start" "-a" "5a379649bbf0516c7e46dfc647399f3f99df6b1de78a438897029d7f490eaf2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic_and_recursive_traversal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Graph` is never constructed
[INFO] [stdout]   --> src/Graph.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Graph {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Property` is never constructed
[INFO] [stdout]   --> src/Graph.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Property {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vertex` is never constructed
[INFO] [stdout]   --> src/Graph.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Vertex {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `VecExt` is never used
[INFO] [stdout]   --> src/Graph.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | trait VecExt {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Edge` is never constructed
[INFO] [stdout]   --> src/Graph.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | struct Edge {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `addV`, `addV_with_properties`, `addE`, `V`, and `E` are never used
[INFO] [stdout]    --> src/Graph.rs:86:8
[INFO] [stdout]     |
[INFO] [stdout] 85  | impl Graph {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 86  |     fn new(name: String) -> Graph {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 94  |     fn addV(&mut self, name: String) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn addV_with_properties(&mut self, name: String, properties: Vec<Property>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn addE(&mut self, name: String) -> EdgeBuilder {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     fn V(&self) -> &Vec<Vertex> {
[INFO] [stdout]     |        ^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     fn E(&self) -> &Vec<Edge> {
[INFO] [stdout]     |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EdgeBuilder` is never constructed
[INFO] [stdout]    --> src/Graph.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 | struct EdgeBuilder<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `from` is never used
[INFO] [stdout]    --> src/Graph.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 131 | impl<'a> EdgeBuilder<'a> {
[INFO] [stdout]     | ------------------------ method in this implementation
[INFO] [stdout] 132 |     fn from(self, from: String) -> EdgeToBuilder<'a> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EdgeToBuilder` is never constructed
[INFO] [stdout]    --> src/Graph.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | struct EdgeToBuilder<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to` is never used
[INFO] [stdout]    --> src/Graph.rs:146:8
[INFO] [stdout]     |
[INFO] [stdout] 145 | impl<'a> EdgeToBuilder<'a> {
[INFO] [stdout]     | -------------------------- method in this implementation
[INFO] [stdout] 146 |     fn to(self, to: String) {
[INFO] [stdout]     |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Graph` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod Graph;
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to snake case: `graph`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `outE` should have a snake case name
[INFO] [stdout]   --> src/Graph.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn outE(&self, edge_name: &str) -> Vec<&Edge>;
[INFO] [stdout]    |        ^^^^ help: convert the identifier to snake case: `out_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `inE` should have a snake case name
[INFO] [stdout]   --> src/Graph.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn inE(&self, edge_name: &str) -> Vec<&Edge>;
[INFO] [stdout]    |        ^^^ help: convert the identifier to snake case: `in_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `addV` should have a snake case name
[INFO] [stdout]   --> src/Graph.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn addV(&mut self, name: String) {
[INFO] [stdout]    |        ^^^^ help: convert the identifier to snake case: `add_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `addV_with_properties` should have a snake case name
[INFO] [stdout]    --> src/Graph.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn addV_with_properties(&mut self, name: String, properties: Vec<Property>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `add_v_with_properties`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `addE` should have a snake case name
[INFO] [stdout]    --> src/Graph.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn addE(&mut self, name: String) -> EdgeBuilder {
[INFO] [stdout]     |        ^^^^ help: convert the identifier to snake case: `add_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/Graph.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn addE(&mut self, name: String) -> EdgeBuilder {
[INFO] [stdout]     |             ^^^^^^^^^                   ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn addE(&mut self, name: String) -> EdgeBuilder<'_> {
[INFO] [stdout]     |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `V` should have a snake case name
[INFO] [stdout]    --> src/Graph.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn V(&self) -> &Vec<Vertex> {
[INFO] [stdout]     |        ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `E` should have a snake case name
[INFO] [stdout]    --> src/Graph.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn E(&self) -> &Vec<Edge> {
[INFO] [stdout]     |        ^ help: convert the identifier to snake case: `e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "5a379649bbf0516c7e46dfc647399f3f99df6b1de78a438897029d7f490eaf2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a379649bbf0516c7e46dfc647399f3f99df6b1de78a438897029d7f490eaf2a", kill_on_drop: false }`
[INFO] [stdout] 5a379649bbf0516c7e46dfc647399f3f99df6b1de78a438897029d7f490eaf2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57e875013bac0d99062c9850405d4dcc5b9767070a53e45f116d18c810576b6f
[INFO] running `Command { std: "docker" "start" "-a" "57e875013bac0d99062c9850405d4dcc5b9767070a53e45f116d18c810576b6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic_and_recursive_traversal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Graph` is never constructed
[INFO] [stdout]   --> src/Graph.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Graph {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Property` is never constructed
[INFO] [stdout]   --> src/Graph.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Property {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vertex` is never constructed
[INFO] [stdout]   --> src/Graph.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Vertex {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `VecExt` is never used
[INFO] [stdout]   --> src/Graph.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | trait VecExt {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Edge` is never constructed
[INFO] [stdout]   --> src/Graph.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | struct Edge {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `addV`, `addV_with_properties`, `addE`, `V`, and `E` are never used
[INFO] [stdout]    --> src/Graph.rs:86:8
[INFO] [stdout]     |
[INFO] [stdout] 85  | impl Graph {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 86  |     fn new(name: String) -> Graph {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 94  |     fn addV(&mut self, name: String) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn addV_with_properties(&mut self, name: String, properties: Vec<Property>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn addE(&mut self, name: String) -> EdgeBuilder {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     fn V(&self) -> &Vec<Vertex> {
[INFO] [stdout]     |        ^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     fn E(&self) -> &Vec<Edge> {
[INFO] [stdout]     |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EdgeBuilder` is never constructed
[INFO] [stdout]    --> src/Graph.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 | struct EdgeBuilder<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `from` is never used
[INFO] [stdout]    --> src/Graph.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 131 | impl<'a> EdgeBuilder<'a> {
[INFO] [stdout]     | ------------------------ method in this implementation
[INFO] [stdout] 132 |     fn from(self, from: String) -> EdgeToBuilder<'a> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EdgeToBuilder` is never constructed
[INFO] [stdout]    --> src/Graph.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | struct EdgeToBuilder<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to` is never used
[INFO] [stdout]    --> src/Graph.rs:146:8
[INFO] [stdout]     |
[INFO] [stdout] 145 | impl<'a> EdgeToBuilder<'a> {
[INFO] [stdout]     | -------------------------- method in this implementation
[INFO] [stdout] 146 |     fn to(self, to: String) {
[INFO] [stdout]     |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Graph` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod Graph;
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to snake case: `graph`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `outE` should have a snake case name
[INFO] [stdout]   --> src/Graph.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn outE(&self, edge_name: &str) -> Vec<&Edge>;
[INFO] [stdout]    |        ^^^^ help: convert the identifier to snake case: `out_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `inE` should have a snake case name
[INFO] [stdout]   --> src/Graph.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn inE(&self, edge_name: &str) -> Vec<&Edge>;
[INFO] [stdout]    |        ^^^ help: convert the identifier to snake case: `in_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `addV` should have a snake case name
[INFO] [stdout]   --> src/Graph.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn addV(&mut self, name: String) {
[INFO] [stdout]    |        ^^^^ help: convert the identifier to snake case: `add_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `addV_with_properties` should have a snake case name
[INFO] [stdout]    --> src/Graph.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn addV_with_properties(&mut self, name: String, properties: Vec<Property>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `add_v_with_properties`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `addE` should have a snake case name
[INFO] [stdout]    --> src/Graph.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn addE(&mut self, name: String) -> EdgeBuilder {
[INFO] [stdout]     |        ^^^^ help: convert the identifier to snake case: `add_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/Graph.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn addE(&mut self, name: String) -> EdgeBuilder {
[INFO] [stdout]     |             ^^^^^^^^^                   ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn addE(&mut self, name: String) -> EdgeBuilder<'_> {
[INFO] [stdout]     |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `V` should have a snake case name
[INFO] [stdout]    --> src/Graph.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn V(&self) -> &Vec<Vertex> {
[INFO] [stdout]     |        ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `E` should have a snake case name
[INFO] [stdout]    --> src/Graph.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn E(&self) -> &Vec<Edge> {
[INFO] [stdout]     |        ^ help: convert the identifier to snake case: `e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/Graph.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Graph {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 11 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inE` is never used
[INFO] [stdout]   --> src/Graph.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | trait VecExt {
[INFO] [stdout]    |       ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn inE(&self, edge_name: &str) -> Vec<&Edge>;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `to` is never read
[INFO] [stdout]   --> src/Graph.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | struct Edge {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 82 |     to: String,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Graph` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod Graph;
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to snake case: `graph`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `outE` should have a snake case name
[INFO] [stdout]   --> src/Graph.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn outE(&self, edge_name: &str) -> Vec<&Edge>;
[INFO] [stdout]    |        ^^^^ help: convert the identifier to snake case: `out_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `inE` should have a snake case name
[INFO] [stdout]   --> src/Graph.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn inE(&self, edge_name: &str) -> Vec<&Edge>;
[INFO] [stdout]    |        ^^^ help: convert the identifier to snake case: `in_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `addV` should have a snake case name
[INFO] [stdout]   --> src/Graph.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn addV(&mut self, name: String) {
[INFO] [stdout]    |        ^^^^ help: convert the identifier to snake case: `add_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `addV_with_properties` should have a snake case name
[INFO] [stdout]    --> src/Graph.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn addV_with_properties(&mut self, name: String, properties: Vec<Property>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `add_v_with_properties`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `addE` should have a snake case name
[INFO] [stdout]    --> src/Graph.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn addE(&mut self, name: String) -> EdgeBuilder {
[INFO] [stdout]     |        ^^^^ help: convert the identifier to snake case: `add_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/Graph.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn addE(&mut self, name: String) -> EdgeBuilder {
[INFO] [stdout]     |             ^^^^^^^^^                   ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn addE(&mut self, name: String) -> EdgeBuilder<'_> {
[INFO] [stdout]     |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `V` should have a snake case name
[INFO] [stdout]    --> src/Graph.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn V(&self) -> &Vec<Vertex> {
[INFO] [stdout]     |        ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `E` should have a snake case name
[INFO] [stdout]    --> src/Graph.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn E(&self) -> &Vec<Edge> {
[INFO] [stdout]     |        ^ help: convert the identifier to snake case: `e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "57e875013bac0d99062c9850405d4dcc5b9767070a53e45f116d18c810576b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e875013bac0d99062c9850405d4dcc5b9767070a53e45f116d18c810576b6f", kill_on_drop: false }`
[INFO] [stdout] 57e875013bac0d99062c9850405d4dcc5b9767070a53e45f116d18c810576b6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c49a8efba56fa163faa03c1b52b56abc6dbbe4013e63735454faf055e55cdb09
[INFO] running `Command { std: "docker" "start" "-a" "c49a8efba56fa163faa03c1b52b56abc6dbbe4013e63735454faf055e55cdb09", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Graph` is never constructed
[INFO] [stderr]   --> src/Graph.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Graph {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Property` is never constructed
[INFO] [stderr]   --> src/Graph.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct Property {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Vertex` is never constructed
[INFO] [stderr]   --> src/Graph.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | struct Vertex {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `VecExt` is never used
[INFO] [stderr]   --> src/Graph.rs:27:7
[INFO] [stderr]    |
[INFO] [stderr] 27 | trait VecExt {
[INFO] [stderr]    |       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Edge` is never constructed
[INFO] [stderr]   --> src/Graph.rs:79:8
[INFO] [stderr]    |
[INFO] [stderr] 79 | struct Edge {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `addV`, `addV_with_properties`, `addE`, `V`, and `E` are never used
[INFO] [stderr]    --> src/Graph.rs:86:8
[INFO] [stderr]     |
[INFO] [stderr] 85  | impl Graph {
[INFO] [stderr]     | ---------- associated items in this implementation
[INFO] [stderr] 86  |     fn new(name: String) -> Graph {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 94  |     fn addV(&mut self, name: String) {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 102 |     fn addV_with_properties(&mut self, name: String, properties: Vec<Property>) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 110 |     fn addE(&mut self, name: String) -> EdgeBuilder {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 117 |     fn V(&self) -> &Vec<Vertex> {
[INFO] [stderr]     |        ^
[INFO] [stderr] ...
[INFO] [stderr] 121 |     fn E(&self) -> &Vec<Edge> {
[INFO] [stderr]     |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `EdgeBuilder` is never constructed
[INFO] [stderr]    --> src/Graph.rs:126:8
[INFO] [stderr]     |
[INFO] [stderr] 126 | struct EdgeBuilder<'a> {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `from` is never used
[INFO] [stderr]    --> src/Graph.rs:132:8
[INFO] [stderr]     |
[INFO] [stderr] 131 | impl<'a> EdgeBuilder<'a> {
[INFO] [stderr]     | ------------------------ method in this implementation
[INFO] [stderr] 132 |     fn from(self, from: String) -> EdgeToBuilder<'a> {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `EdgeToBuilder` is never constructed
[INFO] [stderr]    --> src/Graph.rs:140:8
[INFO] [stderr]     |
[INFO] [stderr] 140 | struct EdgeToBuilder<'a> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `to` is never used
[INFO] [stderr]    --> src/Graph.rs:146:8
[INFO] [stderr]     |
[INFO] [stderr] 145 | impl<'a> EdgeToBuilder<'a> {
[INFO] [stderr]     | -------------------------- method in this implementation
[INFO] [stderr] 146 |     fn to(self, to: String) {
[INFO] [stderr]     |        ^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `Graph` should have a snake case name
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | mod Graph;
[INFO] [stderr]   |     ^^^^^ help: convert the identifier to snake case: `graph`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait method `outE` should have a snake case name
[INFO] [stderr]   --> src/Graph.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn outE(&self, edge_name: &str) -> Vec<&Edge>;
[INFO] [stderr]    |        ^^^^ help: convert the identifier to snake case: `out_e`
[INFO] [stderr] 
[INFO] [stderr] warning: trait method `inE` should have a snake case name
[INFO] [stderr]   --> src/Graph.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn inE(&self, edge_name: &str) -> Vec<&Edge>;
[INFO] [stderr]    |        ^^^ help: convert the identifier to snake case: `in_e`
[INFO] [stderr] 
[INFO] [stderr] warning: method `addV` should have a snake case name
[INFO] [stderr]   --> src/Graph.rs:94:8
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn addV(&mut self, name: String) {
[INFO] [stderr]    |        ^^^^ help: convert the identifier to snake case: `add_v`
[INFO] [stderr] 
[INFO] [stderr] warning: method `addV_with_properties` should have a snake case name
[INFO] [stderr]    --> src/Graph.rs:102:8
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn addV_with_properties(&mut self, name: String, properties: Vec<Property>) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `add_v_with_properties`
[INFO] [stderr] 
[INFO] [stderr] warning: method `addE` should have a snake case name
[INFO] [stderr]    --> src/Graph.rs:110:8
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn addE(&mut self, name: String) -> EdgeBuilder {
[INFO] [stderr]     |        ^^^^ help: convert the identifier to snake case: `add_e`
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/Graph.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn addE(&mut self, name: String) -> EdgeBuilder {
[INFO] [stderr]     |             ^^^^^^^^^                   ----------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |             |
[INFO] [stderr]     |             this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn addE(&mut self, name: String) -> EdgeBuilder<'_> {
[INFO] [stderr]     |                                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: method `V` should have a snake case name
[INFO] [stderr]    --> src/Graph.rs:117:8
[INFO] [stderr]     |
[INFO] [stderr] 117 |     fn V(&self) -> &Vec<Vertex> {
[INFO] [stderr]     |        ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stderr] 
[INFO] [stderr] warning: method `E` should have a snake case name
[INFO] [stderr]    --> src/Graph.rs:121:8
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn E(&self) -> &Vec<Edge> {
[INFO] [stderr]     |        ^ help: convert the identifier to snake case: `e`
[INFO] [stderr] 
[INFO] [stderr] warning: `basic_and_recursive_traversal` (lib) generated 19 warnings
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> src/Graph.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Graph {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] 11 |     name: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `inE` is never used
[INFO] [stderr]   --> src/Graph.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | trait VecExt {
[INFO] [stderr]    |       ------ method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 32 |     fn inE(&self, edge_name: &str) -> Vec<&Edge>;
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `to` is never read
[INFO] [stderr]   --> src/Graph.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 79 | struct Edge {
[INFO] [stderr]    |        ---- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 82 |     to: String,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: `basic_and_recursive_traversal` (lib test) generated 12 warnings (9 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/basic_and_recursive_traversal-b99869c02e1e4cd7)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test Graph::tests::add_e_to_graph ... ok
[INFO] [stdout] test Graph::tests::v_has_returns_matching_properties ... ok
[INFO] [stdout] test Graph::tests::add_2_vertices_to_graph ... ok
[INFO] [stdout] test Graph::tests::e_returns_all_edges ... ok
[INFO] [stdout] test Graph::tests::add_e_from_to_chained_adds_edge_to_graph ... ok
[INFO] [stdout] test Graph::tests::add_v_adds_vertex_to_graph ... ok
[INFO] [stdout] test Graph::tests::v_returns_all_vertices ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test Graph::tests::out_e_returns_matching_edges ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- Graph::tests::out_e_returns_matching_edges stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'Graph::tests::out_e_returns_matching_edges' panicked at src/Graph.rs:226:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 0
[INFO] [stdout]  right: 1
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x60fad46e9862 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x60fad46e9862 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x60fad46e9862 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x60fad46e9862 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x60fad470e953 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x60fad470e953 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x60fad46e67f3 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x60fad46e67f3 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x60fad46e96b2 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x60fad46eadcc - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x60fad46eac22 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x60fad46b2d44 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x60fad46b2d44 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x60fad46eb7ab - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x60fad46eb7ab - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x60fad46eb57a - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x60fad46e9d59 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x60fad46eb20d - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x60fad470d4a0 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x60fad470d737 - core::panicking::assert_failed_inner::h6a89cd271393c011
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:448:17
[INFO] [stdout]   20:     0x60fad470d689 - core::panicking::assert_failed::h20563a97be4f023a
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x60fad4678a0d - basic_and_recursive_traversal::Graph::tests::out_e_returns_matching_edges::hc0e372209903b951
[INFO] [stdout]                                at /opt/rustwide/workdir/src/Graph.rs:226:9
[INFO] [stdout]   22:     0x60fad4678a0d - basic_and_recursive_traversal::Graph::tests::out_e_returns_matching_edges::{{closure}}::ha743f31d2cbcdd77
[INFO] [stdout]                                at /opt/rustwide/workdir/src/Graph.rs:219:38
[INFO] [stdout]   23:     0x60fad4678a0d - core::ops::function::FnOnce::call_once::hca4fae0df7136bd2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x60fad46b847b - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x60fad46b847b - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x60fad46b76be - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x60fad46b76be - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x60fad46b76be - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x60fad46b76be - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x60fad46b76be - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x60fad46b76be - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x60fad46b76be - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x60fad467b264 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x60fad467b264 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x60fad467ec0a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x60fad467ec0a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x60fad467ec0a - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x60fad467ec0a - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x60fad467ec0a - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x60fad467ec0a - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x60fad467ec0a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x60fad46ee707 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x60fad46ee707 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x60fad46ee707 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x7653b7d13aa4 - <unknown>
[INFO] [stdout]   46:     0x7653b7da0a34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     Graph::tests::out_e_returns_matching_edges
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c49a8efba56fa163faa03c1b52b56abc6dbbe4013e63735454faf055e55cdb09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c49a8efba56fa163faa03c1b52b56abc6dbbe4013e63735454faf055e55cdb09", kill_on_drop: false }`
[INFO] [stdout] c49a8efba56fa163faa03c1b52b56abc6dbbe4013e63735454faf055e55cdb09
