[INFO] cloning repository https://github.com/RavuAlHemio/planaria
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RavuAlHemio/planaria" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRavuAlHemio%2Fplanaria", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRavuAlHemio%2Fplanaria'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec6fcf4aca002fce7098ac9d625b5ba8eb636dae
[INFO] checking RavuAlHemio/planaria against try#e071e73523bfcdcab2878dbf652ac8ebb9b9eee4 for pr-144386
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRavuAlHemio%2Fplanaria" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/RavuAlHemio/planaria
[INFO] finished tweaking git repo https://github.com/RavuAlHemio/planaria
[INFO] tweaked toml for git repo https://github.com/RavuAlHemio/planaria written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RavuAlHemio/planaria on toolchain e071e73523bfcdcab2878dbf652ac8ebb9b9eee4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e071e73523bfcdcab2878dbf652ac8ebb9b9eee4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/RavuAlHemio/planaria 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" "+e071e73523bfcdcab2878dbf652ac8ebb9b9eee4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e071e73523bfcdcab2878dbf652ac8ebb9b9eee4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da646012c7d4155e4547a2613e637b9013e25fed217338221d988da80059f30d
[INFO] running `Command { std: "docker" "start" "-a" "da646012c7d4155e4547a2613e637b9013e25fed217338221d988da80059f30d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da646012c7d4155e4547a2613e637b9013e25fed217338221d988da80059f30d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da646012c7d4155e4547a2613e637b9013e25fed217338221d988da80059f30d", kill_on_drop: false }`
[INFO] [stdout] da646012c7d4155e4547a2613e637b9013e25fed217338221d988da80059f30d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e071e73523bfcdcab2878dbf652ac8ebb9b9eee4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d127df8a58117bcaa4a6d87cf03786d5d0902f99031b5777618e77da1419082
[INFO] running `Command { std: "docker" "start" "-a" "1d127df8a58117bcaa4a6d87cf03786d5d0902f99031b5777618e77da1419082", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking planaria v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/main.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Node {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]  --> src/main.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Node {
[INFO] [stdout]   | --------- method in this implementation
[INFO] [stdout] 9 |     #[inline] pub fn name(&self) -> &str { self.name.as_str() }
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UEdge` is never constructed
[INFO] [stdout]   --> src/main.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct UEdge {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `smaller_node`, and `greater_node` are never used
[INFO] [stdout]   --> src/main.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl UEdge {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 19 |     pub fn new(one_node: Node, other_node: Node) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     #[inline] pub fn smaller_node(&self) -> &Node { &self.smaller_node }
[INFO] [stdout]    |                      ^^^^^^^^^^^^
[INFO] [stdout] 30 |     #[inline] pub fn greater_node(&self) -> &Node { &self.greater_node }
[INFO] [stdout]    |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UGraph` is never constructed
[INFO] [stdout]   --> src/main.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct UGraph {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/main.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl UGraph {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 40 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     #[inline] pub fn nodes(&self) -> &BTreeSet<Node> { &self.nodes }
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout] 48 |     #[inline] pub fn edges(&self) -> &BTreeSet<UEdge> { &self.edges }
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout] 49 |     #[inline] pub fn add_node(&mut self, node: Node) -> bool { self.nodes.insert(node) }
[INFO] [stdout]    |                      ^^^^^^^^
[INFO] [stdout] 50 |
[INFO] [stdout] 51 |     pub fn add_edge(&mut self, edge: UEdge) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn remove_node(&mut self, node: &Node) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     #[inline] pub fn remove_edge(&mut self, edge: &UEdge) -> bool { self.edges.remove(edge) }
[INFO] [stdout]    |                      ^^^^^^^^^^^
[INFO] [stdout] 77 |
[INFO] [stdout] 78 |     pub fn neighbors_of(&self, node: &Node) -> BTreeSet<&Node> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_k5` is never used
[INFO] [stdout]   --> src/main.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn is_k5(graph: &UGraph) -> bool {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_k33` is never used
[INFO] [stdout]    --> src/main.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn is_k33(graph: &UGraph) -> bool {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_planar` is never used
[INFO] [stdout]    --> src/main.rs:140:4
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn is_planar(graph: &UGraph) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/main.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Node {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]  --> src/main.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Node {
[INFO] [stdout]   | --------- method in this implementation
[INFO] [stdout] 9 |     #[inline] pub fn name(&self) -> &str { self.name.as_str() }
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UEdge` is never constructed
[INFO] [stdout]   --> src/main.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct UEdge {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `smaller_node`, and `greater_node` are never used
[INFO] [stdout]   --> src/main.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl UEdge {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 19 |     pub fn new(one_node: Node, other_node: Node) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     #[inline] pub fn smaller_node(&self) -> &Node { &self.smaller_node }
[INFO] [stdout]    |                      ^^^^^^^^^^^^
[INFO] [stdout] 30 |     #[inline] pub fn greater_node(&self) -> &Node { &self.greater_node }
[INFO] [stdout]    |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UGraph` is never constructed
[INFO] [stdout]   --> src/main.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct UGraph {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/main.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl UGraph {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 40 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     #[inline] pub fn nodes(&self) -> &BTreeSet<Node> { &self.nodes }
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout] 48 |     #[inline] pub fn edges(&self) -> &BTreeSet<UEdge> { &self.edges }
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout] 49 |     #[inline] pub fn add_node(&mut self, node: Node) -> bool { self.nodes.insert(node) }
[INFO] [stdout]    |                      ^^^^^^^^
[INFO] [stdout] 50 |
[INFO] [stdout] 51 |     pub fn add_edge(&mut self, edge: UEdge) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn remove_node(&mut self, node: &Node) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     #[inline] pub fn remove_edge(&mut self, edge: &UEdge) -> bool { self.edges.remove(edge) }
[INFO] [stdout]    |                      ^^^^^^^^^^^
[INFO] [stdout] 77 |
[INFO] [stdout] 78 |     pub fn neighbors_of(&self, node: &Node) -> BTreeSet<&Node> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_k5` is never used
[INFO] [stdout]   --> src/main.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn is_k5(graph: &UGraph) -> bool {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_k33` is never used
[INFO] [stdout]    --> src/main.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn is_k33(graph: &UGraph) -> bool {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_planar` is never used
[INFO] [stdout]    --> src/main.rs:140:4
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn is_planar(graph: &UGraph) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.79s
[INFO] running `Command { std: "docker" "inspect" "1d127df8a58117bcaa4a6d87cf03786d5d0902f99031b5777618e77da1419082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d127df8a58117bcaa4a6d87cf03786d5d0902f99031b5777618e77da1419082", kill_on_drop: false }`
[INFO] [stdout] 1d127df8a58117bcaa4a6d87cf03786d5d0902f99031b5777618e77da1419082