[INFO] cloning repository https://github.com/MakerDev/Rusteris
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MakerDev/Rusteris" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMakerDev%2FRusteris", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMakerDev%2FRusteris'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c754a187986cc10c4daf9598c0a52388a085478
[INFO] testing MakerDev/Rusteris 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%2FMakerDev%2FRusteris" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MakerDev/Rusteris 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/MakerDev/Rusteris
[INFO] finished tweaking git repo https://github.com/MakerDev/Rusteris
[INFO] tweaked toml for git repo https://github.com/MakerDev/Rusteris written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/MakerDev/Rusteris 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 37a1b2dde60982cb2f1628686a201e47f7c555bf64e3bde8830e78837cf4ca37
[INFO] running `Command { std: "docker" "start" "-a" "37a1b2dde60982cb2f1628686a201e47f7c555bf64e3bde8830e78837cf4ca37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37a1b2dde60982cb2f1628686a201e47f7c555bf64e3bde8830e78837cf4ca37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a1b2dde60982cb2f1628686a201e47f7c555bf64e3bde8830e78837cf4ca37", kill_on_drop: false }`
[INFO] [stdout] 37a1b2dde60982cb2f1628686a201e47f7c555bf64e3bde8830e78837cf4ca37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] a04b10ae4ca78b969adbfd78507b2fc4088b75df5a34ca92cec9a49fa400a3bf
[INFO] running `Command { std: "docker" "start" "-a" "a04b10ae4ca78b969adbfd78507b2fc4088b75df5a34ca92cec9a49fa400a3bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling wayland-sys v0.27.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling xkbcommon-sys v0.7.4
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling minifb v0.18.0
[INFO] [stderr]    Compiling wayland-scanner v0.27.0
[INFO] [stderr]    Compiling wayland-client v0.27.0
[INFO] [stderr]    Compiling wayland-protocols v0.27.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling xkb v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling xcursor v0.3.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling wayland-commons v0.27.0
[INFO] [stderr]    Compiling wayland-cursor v0.27.0
[INFO] [stderr]    Compiling rusteris v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/tetris.rs:48:25
[INFO] [stdout]    |
[INFO] [stdout] 48 |                         &self.map.draw_block(block);
[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] 48 |                         let _ = &self.map.draw_block(block);
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.08s
[INFO] running `Command { std: "docker" "inspect" "a04b10ae4ca78b969adbfd78507b2fc4088b75df5a34ca92cec9a49fa400a3bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a04b10ae4ca78b969adbfd78507b2fc4088b75df5a34ca92cec9a49fa400a3bf", kill_on_drop: false }`
[INFO] [stdout] a04b10ae4ca78b969adbfd78507b2fc4088b75df5a34ca92cec9a49fa400a3bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 6bcec6699f069d2b97add3eb37c75f1dbbd4628c8770a66ad60ff3f72be99c03
[INFO] running `Command { std: "docker" "start" "-a" "6bcec6699f069d2b97add3eb37c75f1dbbd4628c8770a66ad60ff3f72be99c03", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusteris v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/tetris.rs:48:25
[INFO] [stdout]    |
[INFO] [stdout] 48 |                         &self.map.draw_block(block);
[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] 48 |                         let _ = &self.map.draw_block(block);
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "6bcec6699f069d2b97add3eb37c75f1dbbd4628c8770a66ad60ff3f72be99c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bcec6699f069d2b97add3eb37c75f1dbbd4628c8770a66ad60ff3f72be99c03", kill_on_drop: false }`
[INFO] [stdout] 6bcec6699f069d2b97add3eb37c75f1dbbd4628c8770a66ad60ff3f72be99c03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] a8d38e220e422b5c9b1f9eb43dfe3acef45413f27062a578c5f63371b29c7741
[INFO] running `Command { std: "docker" "start" "-a" "a8d38e220e422b5c9b1f9eb43dfe3acef45413f27062a578c5f63371b29c7741", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/tetris.rs:48:25
[INFO] [stderr]    |
[INFO] [stderr] 48 |                         &self.map.draw_block(block);
[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] 48 |                         let _ = &self.map.draw_block(block);
[INFO] [stderr]    |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rusteris` (bin "rusteris" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rusteris-379b8759583bd0cb)
[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" "a8d38e220e422b5c9b1f9eb43dfe3acef45413f27062a578c5f63371b29c7741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8d38e220e422b5c9b1f9eb43dfe3acef45413f27062a578c5f63371b29c7741", kill_on_drop: false }`
[INFO] [stdout] a8d38e220e422b5c9b1f9eb43dfe3acef45413f27062a578c5f63371b29c7741