[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] testing BarePotato/sweeper against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBarePotato%2Fsweeper" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BarePotato/sweeper on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-5/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbf0ee5b1acd7c954eb40b5d4c6743add543715d90b41e474a303862196efa86
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fbf0ee5b1acd7c954eb40b5d4c6743add543715d90b41e474a303862196efa86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbf0ee5b1acd7c954eb40b5d4c6743add543715d90b41e474a303862196efa86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbf0ee5b1acd7c954eb40b5d4c6743add543715d90b41e474a303862196efa86", kill_on_drop: false }`
[INFO] [stdout] fbf0ee5b1acd7c954eb40b5d4c6743add543715d90b41e474a303862196efa86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71173dc8732e2e115d3f6e77979e9e7e6f062ba735fbda7b5f0f854218884350
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "71173dc8732e2e115d3f6e77979e9e7e6f062ba735fbda7b5f0f854218884350", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling 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 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.59s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "71173dc8732e2e115d3f6e77979e9e7e6f062ba735fbda7b5f0f854218884350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71173dc8732e2e115d3f6e77979e9e7e6f062ba735fbda7b5f0f854218884350", kill_on_drop: false }`
[INFO] [stdout] 71173dc8732e2e115d3f6e77979e9e7e6f062ba735fbda7b5f0f854218884350
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aed19c7ca025195fe48ae5309c68675d9434139765a6310b4a9a823325d450f9
[INFO] running `Command { std: "docker" "start" "-a" "aed19c7ca025195fe48ae5309c68675d9434139765a6310b4a9a823325d450f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "aed19c7ca025195fe48ae5309c68675d9434139765a6310b4a9a823325d450f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aed19c7ca025195fe48ae5309c68675d9434139765a6310b4a9a823325d450f9", kill_on_drop: false }`
[INFO] [stdout] aed19c7ca025195fe48ae5309c68675d9434139765a6310b4a9a823325d450f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b27fff75c8bf0143fa28b254ea53751218671be3a4266e42d4af56e0afceb660
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b27fff75c8bf0143fa28b254ea53751218671be3a4266e42d4af56e0afceb660", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `button`
[INFO] [stderr]   --> src/main.rs:64:45
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 Event::MouseButtonPressed { button, x, y } => {
[INFO] [stderr]    |                                             ^^^^^^ help: try ignoring the field: `button: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/main.rs:83:37
[INFO] [stderr]    |
[INFO] [stderr] 83 | ...                   &game.generate_grid(&mouse_grid);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 83 |                                     let _ = &game.generate_grid(&mouse_grid);
[INFO] [stderr]    |                                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/main.rs:86:37
[INFO] [stderr]    |
[INFO] [stderr] 86 | ...                   &game.expose(&mouse_grid);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 86 |                                     let _ = &game.expose(&mouse_grid);
[INFO] [stderr]    |                                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `sweeper` (bin "sweeper" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sweeper-05bce9e87209c1a2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b27fff75c8bf0143fa28b254ea53751218671be3a4266e42d4af56e0afceb660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b27fff75c8bf0143fa28b254ea53751218671be3a4266e42d4af56e0afceb660", kill_on_drop: false }`
[INFO] [stdout] b27fff75c8bf0143fa28b254ea53751218671be3a4266e42d4af56e0afceb660