[INFO] cloning repository https://github.com/khamutov/rusty-visual-algorithms
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a32e639d51c8e5cb01523666dacd95fb0119546a
[INFO] building khamutov/rusty-visual-algorithms against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhamutov%2Frusty-visual-algorithms" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
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[INFO] [stderr]    Compiling astar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]    --> src/main.rs:317:21
[INFO] [stdout]     |
[INFO] [stdout] 317 |                 let conn = world
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Visited` is never constructed
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | enum NodeState {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] 20 |     New,
[INFO] [stdout] 21 |     Visited,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NodeState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BestPath` is never constructed
[INFO] [stdout]   --> src/main.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | enum ConnectionState {
[INFO] [stdout]    |      --------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 67 |     BestPath,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 animation.draw(gfx);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 let _ = animation.draw(gfx);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "3d10ac239f6802b3931788985c01b92c838b869882e8ead12b32264292a85ea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d10ac239f6802b3931788985c01b92c838b869882e8ead12b32264292a85ea1", kill_on_drop: false }`
[INFO] [stdout] 3d10ac239f6802b3931788985c01b92c838b869882e8ead12b32264292a85ea1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20e0bdc6cb2a9912926229b433a5e84e0c81d52cb52fb091ecd5f0aba7e6e422
[INFO] running `Command { std: "docker" "start" "-a" "20e0bdc6cb2a9912926229b433a5e84e0c81d52cb52fb091ecd5f0aba7e6e422", kill_on_drop: false }`
[INFO] [stderr]    Compiling astar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]    --> src/main.rs:317:21
[INFO] [stdout]     |
[INFO] [stdout] 317 |                 let conn = world
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Visited` is never constructed
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | enum NodeState {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] 20 |     New,
[INFO] [stdout] 21 |     Visited,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NodeState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BestPath` is never constructed
[INFO] [stdout]   --> src/main.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | enum ConnectionState {
[INFO] [stdout]    |      --------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 67 |     BestPath,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 animation.draw(gfx);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 let _ = animation.draw(gfx);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "20e0bdc6cb2a9912926229b433a5e84e0c81d52cb52fb091ecd5f0aba7e6e422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20e0bdc6cb2a9912926229b433a5e84e0c81d52cb52fb091ecd5f0aba7e6e422", kill_on_drop: false }`
[INFO] [stdout] 20e0bdc6cb2a9912926229b433a5e84e0c81d52cb52fb091ecd5f0aba7e6e422
