[INFO] cloning repository https://github.com/tandalesc/rust-maze
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tandalesc/rust-maze" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftandalesc%2Frust-maze", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftandalesc%2Frust-maze'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ec8c579e9a0561151d5f9e8b5e94a9d34167b07
[INFO] testing tandalesc/rust-maze against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftandalesc%2Frust-maze" "/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/tandalesc/rust-maze on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tandalesc/rust-maze
[INFO] finished tweaking git repo https://github.com/tandalesc/rust-maze
[INFO] tweaked toml for git repo https://github.com/tandalesc/rust-maze written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/tandalesc/rust-maze already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] a2283bfdce6a52d745ad172b91db7f5846120621fcdf0c906e4779e1156859cd
[INFO] running `Command { std: "docker" "start" "-a" "a2283bfdce6a52d745ad172b91db7f5846120621fcdf0c906e4779e1156859cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2283bfdce6a52d745ad172b91db7f5846120621fcdf0c906e4779e1156859cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2283bfdce6a52d745ad172b91db7f5846120621fcdf0c906e4779e1156859cd", kill_on_drop: false }`
[INFO] [stdout] a2283bfdce6a52d745ad172b91db7f5846120621fcdf0c906e4779e1156859cd
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 806c454d76fc723f106c6872ee63fe155a610d6d4917b218e1936c2db5d98bea
[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" "806c454d76fc723f106c6872ee63fe155a610d6d4917b218e1936c2db5d98bea", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling piston-float v0.3.0
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling downcast-rs v1.0.4
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling shader_version v0.3.0
[INFO] [stderr]    Compiling piston-texture v0.6.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling gif v0.10.2
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling stb_truetype v0.2.6
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling piston-viewport v0.5.0
[INFO] [stderr]    Compiling vecmath v0.3.1
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling rusttype v0.7.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling piston2d-graphics v0.30.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling wayland-commons v0.21.13
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling image v0.21.3
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.59.0
[INFO] [stderr]    Compiling pistoncore-input v0.24.0
[INFO] [stderr]    Compiling pistoncore-window v0.37.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.42.0
[INFO] [stderr]    Compiling piston v0.42.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling winit v0.18.1
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.54.0
[INFO] [stderr]    Compiling rust-maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `GREEN`
[INFO] [stdout]   --> src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | const GREEN: [f32; 4] = [0.0, 1.0, 0.0, 1.0];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 15s
[INFO] running `Command { std: "docker" "inspect" "806c454d76fc723f106c6872ee63fe155a610d6d4917b218e1936c2db5d98bea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "806c454d76fc723f106c6872ee63fe155a610d6d4917b218e1936c2db5d98bea", kill_on_drop: false }`
[INFO] [stdout] 806c454d76fc723f106c6872ee63fe155a610d6d4917b218e1936c2db5d98bea
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 505e0659abb46dbf966cced6176ce940d47d037b62b4d9eaafefca39195075a4
[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" "505e0659abb46dbf966cced6176ce940d47d037b62b4d9eaafefca39195075a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `GREEN`
[INFO] [stdout]   --> src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | const GREEN: [f32; 4] = [0.0, 1.0, 0.0, 1.0];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.66s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_maze-703552eb808eb1e9)
[INFO] running `Command { std: "docker" "inspect" "505e0659abb46dbf966cced6176ce940d47d037b62b4d9eaafefca39195075a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505e0659abb46dbf966cced6176ce940d47d037b62b4d9eaafefca39195075a4", kill_on_drop: false }`
[INFO] [stdout] 505e0659abb46dbf966cced6176ce940d47d037b62b4d9eaafefca39195075a4
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 6554081a4cdf7eec0b20a121709b7c34150c878d11d4ed54b0cfe70bd77a0ba4
[INFO] running `Command { std: "docker" "start" "-a" "6554081a4cdf7eec0b20a121709b7c34150c878d11d4ed54b0cfe70bd77a0ba4", kill_on_drop: false }`
[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] [stderr] warning: constant is never used: `GREEN`
[INFO] [stderr]   --> src/main.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const GREEN: [f32; 4] = [0.0, 1.0, 0.0, 1.0];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-maze` (bin "rust-maze" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_maze-703552eb808eb1e9)
[INFO] running `Command { std: "docker" "inspect" "6554081a4cdf7eec0b20a121709b7c34150c878d11d4ed54b0cfe70bd77a0ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6554081a4cdf7eec0b20a121709b7c34150c878d11d4ed54b0cfe70bd77a0ba4", kill_on_drop: false }`
[INFO] [stdout] 6554081a4cdf7eec0b20a121709b7c34150c878d11d4ed54b0cfe70bd77a0ba4