[INFO] cloning repository https://github.com/tsokiyZan/2D-Ball-simulation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tsokiyZan/2D-Ball-simulation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtsokiyZan%2F2D-Ball-simulation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtsokiyZan%2F2D-Ball-simulation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc33d59eb64df5e549d9162d9180088d85407add
[INFO] checking tsokiyZan/2D-Ball-simulation against master#08cd08fbef8c6663b052d8d9e4930d5696cbb8a7 for 150662-leaf-spurious
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtsokiyZan%2F2D-Ball-simulation" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tsokiyZan/2D-Ball-simulation
[INFO] finished tweaking git repo https://github.com/tsokiyZan/2D-Ball-simulation
[INFO] tweaked toml for git repo https://github.com/tsokiyZan/2D-Ball-simulation written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tsokiyZan/2D-Ball-simulation on toolchain 08cd08fbef8c6663b052d8d9e4930d5696cbb8a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tsokiyZan/2D-Ball-simulation 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" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce990e87ec99acf1020d79c5b89920c6ea35d4d1c0674dc7d8db7c6c8d660f61
[INFO] running `Command { std: "docker" "start" "-a" "ce990e87ec99acf1020d79c5b89920c6ea35d4d1c0674dc7d8db7c6c8d660f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce990e87ec99acf1020d79c5b89920c6ea35d4d1c0674dc7d8db7c6c8d660f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce990e87ec99acf1020d79c5b89920c6ea35d4d1c0674dc7d8db7c6c8d660f61", kill_on_drop: false }`
[INFO] [stdout] ce990e87ec99acf1020d79c5b89920c6ea35d4d1c0674dc7d8db7c6c8d660f61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a9ceb62a199c57840f9a142d49be69f6ecfb180215c37fbec8c7f3dd23d9884
[INFO] running `Command { std: "docker" "start" "-a" "5a9ceb62a199c57840f9a142d49be69f6ecfb180215c37fbec8c7f3dd23d9884", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `window`
[INFO] [stdout]   --> src/main.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let window = Window::new_centered("Title", (640, 480)).unwrap();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mass` is never read
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Object {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 17 |     mass: f32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window`
[INFO] [stdout]   --> src/main.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let window = Window::new_centered("Title", (640, 480)).unwrap();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.55s
[INFO] [stdout] warning: field `mass` is never read
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Object {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 17 |     mass: f32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5a9ceb62a199c57840f9a142d49be69f6ecfb180215c37fbec8c7f3dd23d9884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a9ceb62a199c57840f9a142d49be69f6ecfb180215c37fbec8c7f3dd23d9884", kill_on_drop: false }`
[INFO] [stdout] 5a9ceb62a199c57840f9a142d49be69f6ecfb180215c37fbec8c7f3dd23d9884