[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#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsylvain-reynaud%2Fgraphdb-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sylvain-reynaud/graphdb-rs on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc1/source/Cargo.toml
[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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 909b918a9238a3c4b490a734aea46a37f4453fe00c1f68ab68dbe1ad33bf4d39
[INFO] running `Command { std: "docker" "start" "-a" "909b918a9238a3c4b490a734aea46a37f4453fe00c1f68ab68dbe1ad33bf4d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "909b918a9238a3c4b490a734aea46a37f4453fe00c1f68ab68dbe1ad33bf4d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "909b918a9238a3c4b490a734aea46a37f4453fe00c1f68ab68dbe1ad33bf4d39", kill_on_drop: false }`
[INFO] [stdout] 909b918a9238a3c4b490a734aea46a37f4453fe00c1f68ab68dbe1ad33bf4d39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e04b49359d2c443a12a2d372a53ad07e42fd0bf53d1fd51d259a05799cdddcc
[INFO] running `Command { std: "docker" "start" "-a" "4e04b49359d2c443a12a2d372a53ad07e42fd0bf53d1fd51d259a05799cdddcc", 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: 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: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "4e04b49359d2c443a12a2d372a53ad07e42fd0bf53d1fd51d259a05799cdddcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e04b49359d2c443a12a2d372a53ad07e42fd0bf53d1fd51d259a05799cdddcc", kill_on_drop: false }`
[INFO] [stdout] 4e04b49359d2c443a12a2d372a53ad07e42fd0bf53d1fd51d259a05799cdddcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb6c9a173736b3dd6c602ae589e73c0342e66fe5798755d8f42da01e8b6015b1
[INFO] running `Command { std: "docker" "start" "-a" "bb6c9a173736b3dd6c602ae589e73c0342e66fe5798755d8f42da01e8b6015b1", kill_on_drop: false }`
[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] [stderr]    Compiling basic_and_recursive_traversal v0.1.0 (/opt/rustwide/workdir)
[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: 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: 18 warnings emitted
[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: 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: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "bb6c9a173736b3dd6c602ae589e73c0342e66fe5798755d8f42da01e8b6015b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb6c9a173736b3dd6c602ae589e73c0342e66fe5798755d8f42da01e8b6015b1", kill_on_drop: false }`
[INFO] [stdout] bb6c9a173736b3dd6c602ae589e73c0342e66fe5798755d8f42da01e8b6015b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f3227e9c9894adce125305ca559ba83adb6c3bedcce6a1fbbc5312c8ad9d0fd3
[INFO] running `Command { std: "docker" "start" "-a" "f3227e9c9894adce125305ca559ba83adb6c3bedcce6a1fbbc5312c8ad9d0fd3", 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: 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 18 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 11 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/basic_and_recursive_traversal-6a641c4157213034)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test Graph::tests::add_2_vertices_to_graph ... ok
[INFO] [stdout] test Graph::tests::add_e_from_to_chained_adds_edge_to_graph ... ok
[INFO] [stdout] test Graph::tests::add_e_to_graph ... ok
[INFO] [stdout] test Graph::tests::add_v_adds_vertex_to_graph ... ok
[INFO] [stdout] test Graph::tests::e_returns_all_edges ... ok
[INFO] [stdout] test Graph::tests::v_has_returns_matching_properties ... ok
[INFO] [stdout] test Graph::tests::v_returns_all_vertices ... ok
[INFO] [stdout] test tests::it_works ... ok
[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] 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:     0x5574f5a730f5 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5574f5a730f5 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5574f5a730f5 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5574f5a730f5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5574f5a9993b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5574f5a9993b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5574f5a7092f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5574f5a72ece - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5574f5a72ece - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5574f5a748f9 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5574f5a745be - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5574f5a4581a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5574f5a4581a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5574f5a74efb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5574f5a74efb - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5574f5a74c74 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5574f5a735b9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5574f5a749a7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5574f5a09843 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5574f5a09c2e - core::panicking::assert_failed_inner::h01c8f7f0c1caba58
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:408:17
[INFO] [stdout]   20:     0x5574f5a0a4ee - core::panicking::assert_failed::hfbe2396a57696091
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:363:5
[INFO] [stdout]   21:     0x5574f5a11ca4 - basic_and_recursive_traversal::Graph::tests::out_e_returns_matching_edges::h622bb39591e25200
[INFO] [stdout]                                at /opt/rustwide/workdir/src/Graph.rs:226:9
[INFO] [stdout]   22:     0x5574f5a11747 - basic_and_recursive_traversal::Graph::tests::out_e_returns_matching_edges::{{closure}}::hc2fa55c05fc10e5e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/Graph.rs:219:38
[INFO] [stdout]   23:     0x5574f5a0dfe6 - core::ops::function::FnOnce::call_once::h9fa2c274aac008ff
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5574f5a4a1fb - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5574f5a4a1fb - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   26:     0x5574f5a49901 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   27:     0x5574f5a49901 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5574f5a49901 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   29:     0x5574f5a49901 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   30:     0x5574f5a49901 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   31:     0x5574f5a49901 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   32:     0x5574f5a49901 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   33:     0x5574f5a122c4 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   34:     0x5574f5a122c4 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x5574f5a16cf2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   36:     0x5574f5a16cf2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5574f5a16cf2 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   38:     0x5574f5a16cf2 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   39:     0x5574f5a16cf2 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   40:     0x5574f5a16cf2 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   41:     0x5574f5a16cf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5574f5a790db - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   43:     0x5574f5a790db - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   44:     0x5574f5a790db - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fe706656ac3 - <unknown>
[INFO] [stdout]   46:     0x7fe7066e7a04 - __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 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "f3227e9c9894adce125305ca559ba83adb6c3bedcce6a1fbbc5312c8ad9d0fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3227e9c9894adce125305ca559ba83adb6c3bedcce6a1fbbc5312c8ad9d0fd3", kill_on_drop: false }`
[INFO] [stdout] f3227e9c9894adce125305ca559ba83adb6c3bedcce6a1fbbc5312c8ad9d0fd3
[INFO] testing sylvain-reynaud/graphdb-rs against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsylvain-reynaud%2Fgraphdb-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sylvain-reynaud/graphdb-rs on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc2/source/Cargo.toml
[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" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20e618d39e6e8fb159ea52debafe6475b9f0d9507d84b8cf68df9a12dc9d0ff7
[INFO] running `Command { std: "docker" "start" "-a" "20e618d39e6e8fb159ea52debafe6475b9f0d9507d84b8cf68df9a12dc9d0ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20e618d39e6e8fb159ea52debafe6475b9f0d9507d84b8cf68df9a12dc9d0ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20e618d39e6e8fb159ea52debafe6475b9f0d9507d84b8cf68df9a12dc9d0ff7", kill_on_drop: false }`
[INFO] [stdout] 20e618d39e6e8fb159ea52debafe6475b9f0d9507d84b8cf68df9a12dc9d0ff7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53f34842fec7b6854cc68074f26bc9ced7706452f064d816a728dade609547b2
[INFO] running `Command { std: "docker" "start" "-a" "53f34842fec7b6854cc68074f26bc9ced7706452f064d816a728dade609547b2", 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: 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: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "53f34842fec7b6854cc68074f26bc9ced7706452f064d816a728dade609547b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53f34842fec7b6854cc68074f26bc9ced7706452f064d816a728dade609547b2", kill_on_drop: false }`
[INFO] [stdout] 53f34842fec7b6854cc68074f26bc9ced7706452f064d816a728dade609547b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e983a0d2f1f7c604d18a4eefe89840f566a4f198db5baabcf57d51450607aad
[INFO] running `Command { std: "docker" "start" "-a" "5e983a0d2f1f7c604d18a4eefe89840f566a4f198db5baabcf57d51450607aad", kill_on_drop: false }`
[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] [stderr]    Compiling basic_and_recursive_traversal v0.1.0 (/opt/rustwide/workdir)
[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: 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: 18 warnings emitted
[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: 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: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "5e983a0d2f1f7c604d18a4eefe89840f566a4f198db5baabcf57d51450607aad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e983a0d2f1f7c604d18a4eefe89840f566a4f198db5baabcf57d51450607aad", kill_on_drop: false }`
[INFO] [stdout] 5e983a0d2f1f7c604d18a4eefe89840f566a4f198db5baabcf57d51450607aad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3e74ccd146d9c6066e7a48744bb13c1f8f7aa9ada560063b8fde14db783316f
[INFO] running `Command { std: "docker" "start" "-a" "c3e74ccd146d9c6066e7a48744bb13c1f8f7aa9ada560063b8fde14db783316f", 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: 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 18 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 11 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/basic_and_recursive_traversal-6a641c4157213034)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test Graph::tests::add_2_vertices_to_graph ... ok
[INFO] [stdout] test Graph::tests::add_e_to_graph ... 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::e_returns_all_edges ... ok
[INFO] [stdout] test Graph::tests::v_has_returns_matching_properties ... ok
[INFO] [stdout] test Graph::tests::v_returns_all_vertices ... ok
[INFO] [stdout] test tests::it_works ... ok
[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] 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:     0x55e02fcfd195 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55e02fcfd195 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55e02fcfd195 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55e02fcfd195 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55e02fd2397b - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55e02fd2397b - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55e02fcfaa7f - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55e02fcfcf6e - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55e02fcfcf6e - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55e02fcfe8d9 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x55e02fcfe62c - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55e02fccf8ef - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55e02fccf8ef - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55e02fcfeedb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55e02fcfeedb - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55e02fcfec54 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55e02fcfd659 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55e02fcfe987 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55e02fc93823 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55e02fc93c0e - core::panicking::assert_failed_inner::h5c44db15a6ee70ee
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:408:17
[INFO] [stdout]   20:     0x55e02fc944ce - core::panicking::assert_failed::hd985c0f9e68f55fc
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:363:5
[INFO] [stdout]   21:     0x55e02fc9bc84 - basic_and_recursive_traversal::Graph::tests::out_e_returns_matching_edges::he709d4768dac149d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/Graph.rs:226:9
[INFO] [stdout]   22:     0x55e02fc9b727 - basic_and_recursive_traversal::Graph::tests::out_e_returns_matching_edges::{{closure}}::h4d3b204a3ae8f275
[INFO] [stdout]                                at /opt/rustwide/workdir/src/Graph.rs:219:38
[INFO] [stdout]   23:     0x55e02fc97f46 - core::ops::function::FnOnce::call_once::h485dd90200293076
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55e02fcd420b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55e02fcd420b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   26:     0x55e02fcd38d1 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   27:     0x55e02fcd38d1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55e02fcd38d1 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   29:     0x55e02fcd38d1 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   30:     0x55e02fcd38d1 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   31:     0x55e02fcd38d1 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   32:     0x55e02fcd38d1 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   33:     0x55e02fc9c2a4 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   34:     0x55e02fc9c2a4 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55e02fca0d72 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   36:     0x55e02fca0d72 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55e02fca0d72 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   38:     0x55e02fca0d72 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   39:     0x55e02fca0d72 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   40:     0x55e02fca0d72 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   41:     0x55e02fca0d72 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55e02fd030ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   43:     0x55e02fd030ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   44:     0x55e02fd030ab - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fa6ea407ac3 - <unknown>
[INFO] [stdout]   46:     0x7fa6ea498a04 - __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 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "c3e74ccd146d9c6066e7a48744bb13c1f8f7aa9ada560063b8fde14db783316f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3e74ccd146d9c6066e7a48744bb13c1f8f7aa9ada560063b8fde14db783316f", kill_on_drop: false }`
[INFO] [stdout] c3e74ccd146d9c6066e7a48744bb13c1f8f7aa9ada560063b8fde14db783316f
