[INFO] cloning repository https://github.com/BarePotato/sweeper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BarePotato/sweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBarePotato%2Fsweeper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBarePotato%2Fsweeper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2403b0ffb5cb5d412a494a45cc04790a6b09f7b8
[INFO] checking BarePotato/sweeper against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBarePotato%2Fsweeper" "/workspace/builds/worker-34/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BarePotato/sweeper on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BarePotato/sweeper
[INFO] finished tweaking git repo https://github.com/BarePotato/sweeper
[INFO] tweaked toml for git repo https://github.com/BarePotato/sweeper written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate git repo https://github.com/BarePotato/sweeper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c35256dae07b462a89b8740062363dfb081a71b901dadd4e9841d926441a647
[INFO] running `Command { std: "docker" "start" "-a" "7c35256dae07b462a89b8740062363dfb081a71b901dadd4e9841d926441a647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c35256dae07b462a89b8740062363dfb081a71b901dadd4e9841d926441a647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c35256dae07b462a89b8740062363dfb081a71b901dadd4e9841d926441a647", kill_on_drop: false }`
[INFO] [stdout] 7c35256dae07b462a89b8740062363dfb081a71b901dadd4e9841d926441a647
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86cda135b7b6f87cc55e26179ef6ee42c6d74036e8326d19c9c8dfd5c30e05f4
[INFO] running `Command { std: "docker" "start" "-a" "86cda135b7b6f87cc55e26179ef6ee42c6d74036e8326d19c9c8dfd5c30e05f4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking sfml v0.14.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking sweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `button`
[INFO] [stdout]   --> src/main.rs:64:45
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 Event::MouseButtonPressed { button, x, y } => {
[INFO] [stdout]    |                                             ^^^^^^ help: try ignoring the field: `button: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `button`
[INFO] [stdout]   --> src/main.rs:64:45
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 Event::MouseButtonPressed { button, x, y } => {
[INFO] [stdout]    |                                             ^^^^^^ help: try ignoring the field: `button: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/main.rs:83:37
[INFO] [stdout]    |
[INFO] [stdout] 83 | ...                   &game.generate_grid(&mouse_grid);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 83 |                                     let _ = &game.generate_grid(&mouse_grid);
[INFO] [stdout]    |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/main.rs:83:37
[INFO] [stdout]    |
[INFO] [stdout] 83 | ...                   &game.generate_grid(&mouse_grid);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 83 |                                     let _ = &game.generate_grid(&mouse_grid);
[INFO] [stdout]    |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/main.rs:86:37
[INFO] [stdout]    |
[INFO] [stdout] 86 | ...                   &game.expose(&mouse_grid);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 86 |                                     let _ = &game.expose(&mouse_grid);
[INFO] [stdout]    |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/main.rs:86:37
[INFO] [stdout]    |
[INFO] [stdout] 86 | ...                   &game.expose(&mouse_grid);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 86 |                                     let _ = &game.expose(&mouse_grid);
[INFO] [stdout]    |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.81s
[INFO] running `Command { std: "docker" "inspect" "86cda135b7b6f87cc55e26179ef6ee42c6d74036e8326d19c9c8dfd5c30e05f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86cda135b7b6f87cc55e26179ef6ee42c6d74036e8326d19c9c8dfd5c30e05f4", kill_on_drop: false }`
[INFO] [stdout] 86cda135b7b6f87cc55e26179ef6ee42c6d74036e8326d19c9c8dfd5c30e05f4