[INFO] cloning repository https://github.com/svranesevic/rust-scratch-pad
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/svranesevic/rust-scratch-pad" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvranesevic%2Frust-scratch-pad", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvranesevic%2Frust-scratch-pad'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cca38c33e136a2f9fe8f1547256ddedbadddf4a6
[INFO] checking svranesevic/rust-scratch-pad against master#4b9792692fbb675174d4d2082e7c37b2bc930e71 for pr-153692-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvranesevic%2Frust-scratch-pad" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/svranesevic/rust-scratch-pad
[INFO] finished tweaking git repo https://github.com/svranesevic/rust-scratch-pad
[INFO] tweaked toml for git repo https://github.com/svranesevic/rust-scratch-pad written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/svranesevic/rust-scratch-pad on toolchain 4b9792692fbb675174d4d2082e7c37b2bc930e71
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/svranesevic/rust-scratch-pad 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" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 817b0f6cc5dcf9bc2860812e7f4b9bf30cd9af931634f8e41a861575057d3ef3
[INFO] running `Command { std: "docker" "start" "-a" "817b0f6cc5dcf9bc2860812e7f4b9bf30cd9af931634f8e41a861575057d3ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "817b0f6cc5dcf9bc2860812e7f4b9bf30cd9af931634f8e41a861575057d3ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "817b0f6cc5dcf9bc2860812e7f4b9bf30cd9af931634f8e41a861575057d3ef3", kill_on_drop: false }`
[INFO] [stdout] 817b0f6cc5dcf9bc2860812e7f4b9bf30cd9af931634f8e41a861575057d3ef3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8712460c7f5b1083dfd4db1d884f68fa51978237be8cf7dc21def663c10accea
[INFO] running `Command { std: "docker" "start" "-a" "8712460c7f5b1083dfd4db1d884f68fa51978237be8cf7dc21def663c10accea", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-scratch-pad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Graph` is never constructed
[INFO] [stdout]  --> src/graph.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Graph<NodeId, Edge = (), Node = ()> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_node`, `add_edge`, `get_node`, and `get_node_mut` are never used
[INFO] [stdout]   --> src/graph.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | / impl<NodeId, Edge, Node> Graph<NodeId, Edge, Node>
[INFO] [stdout] 10 | | where
[INFO] [stdout] 11 | |     NodeId: Eq + Hash,
[INFO] [stdout]    | |______________________- associated items in this implementation
[INFO] [stdout] 12 |   {
[INFO] [stdout] 13 |       pub fn new() -> Graph<NodeId, Edge, Node> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |       pub fn add_node(self: &mut Graph<NodeId, Edge, Node>, id: NodeId, node: Node) {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |       pub fn add_edge(self: &mut Self, from: NodeId, to: NodeId, edge: Edge) {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |       pub fn get_node(self: &Self, node: NodeId) -> Option<&Node> {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |       pub fn get_node_mut(self: &mut Self, node: NodeId) -> Option<&mut Node> {
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_symetric_edge` is never used
[INFO] [stdout]   --> src/graph.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | / impl<NodeId, Edge, Node> Graph<NodeId, Edge, Node>
[INFO] [stdout] 38 | | where
[INFO] [stdout] 39 | |     NodeId: Eq + Hash + Clone,
[INFO] [stdout] 40 | |     Edge: Clone,
[INFO] [stdout]    | |________________- method in this implementation
[INFO] [stdout] 41 |   {
[INFO] [stdout] 42 |       pub fn add_symetric_edge(self: &mut Self, from: NodeId, to: NodeId, edge: Edge) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_node_id` is never used
[INFO] [stdout]   --> src/graph.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | / impl<NodeId, Edge> Graph<NodeId, Edge, ()>
[INFO] [stdout] 49 | | where
[INFO] [stdout] 50 | |     NodeId: Eq + Hash,
[INFO] [stdout]    | |______________________- method in this implementation
[INFO] [stdout] 51 |   {
[INFO] [stdout] 52 |       pub fn add_node_id(self: &mut Self, node: NodeId) {
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Graph` is never constructed
[INFO] [stdout]  --> src/graph.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Graph<NodeId, Edge = (), Node = ()> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_node`, `add_edge`, `get_node`, and `get_node_mut` are never used
[INFO] [stdout]   --> src/graph.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | / impl<NodeId, Edge, Node> Graph<NodeId, Edge, Node>
[INFO] [stdout] 10 | | where
[INFO] [stdout] 11 | |     NodeId: Eq + Hash,
[INFO] [stdout]    | |______________________- associated items in this implementation
[INFO] [stdout] 12 |   {
[INFO] [stdout] 13 |       pub fn new() -> Graph<NodeId, Edge, Node> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |       pub fn add_node(self: &mut Graph<NodeId, Edge, Node>, id: NodeId, node: Node) {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |       pub fn add_edge(self: &mut Self, from: NodeId, to: NodeId, edge: Edge) {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |       pub fn get_node(self: &Self, node: NodeId) -> Option<&Node> {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |       pub fn get_node_mut(self: &mut Self, node: NodeId) -> Option<&mut Node> {
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_symetric_edge` is never used
[INFO] [stdout]   --> src/graph.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | / impl<NodeId, Edge, Node> Graph<NodeId, Edge, Node>
[INFO] [stdout] 38 | | where
[INFO] [stdout] 39 | |     NodeId: Eq + Hash + Clone,
[INFO] [stdout] 40 | |     Edge: Clone,
[INFO] [stdout]    | |________________- method in this implementation
[INFO] [stdout] 41 |   {
[INFO] [stdout] 42 |       pub fn add_symetric_edge(self: &mut Self, from: NodeId, to: NodeId, edge: Edge) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_node_id` is never used
[INFO] [stdout]   --> src/graph.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | / impl<NodeId, Edge> Graph<NodeId, Edge, ()>
[INFO] [stdout] 49 | | where
[INFO] [stdout] 50 | |     NodeId: Eq + Hash,
[INFO] [stdout]    | |______________________- method in this implementation
[INFO] [stdout] 51 |   {
[INFO] [stdout] 52 |       pub fn add_node_id(self: &mut Self, node: NodeId) {
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "8712460c7f5b1083dfd4db1d884f68fa51978237be8cf7dc21def663c10accea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8712460c7f5b1083dfd4db1d884f68fa51978237be8cf7dc21def663c10accea", kill_on_drop: false }`
[INFO] [stdout] 8712460c7f5b1083dfd4db1d884f68fa51978237be8cf7dc21def663c10accea
