[INFO] cloning repository https://github.com/ritobanrc/chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ritobanrc/chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fritobanrc%2Fchess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fritobanrc%2Fchess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cff1870ff948567f352c0b01852d0a9eefa74e30
[INFO] testing ritobanrc/chess against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fritobanrc%2Fchess" "/workspace/builds/worker-118/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-118/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/ritobanrc/chess on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ritobanrc/chess
[INFO] finished tweaking git repo https://github.com/ritobanrc/chess
[INFO] tweaked toml for git repo https://github.com/ritobanrc/chess written to /workspace/builds/worker-118/source/Cargo.toml
[INFO] crate git repo https://github.com/ritobanrc/chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.63.0
[INFO] [stderr]   Downloaded piston-float v1.0.0
[INFO] [stderr]   Downloaded piston-viewport v1.0.0
[INFO] [stderr]   Downloaded gleam v0.6.18
[INFO] [stderr]   Downloaded pistoncore-input v0.28.0
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.49.0
[INFO] [stderr]   Downloaded piston v0.49.0
[INFO] [stderr]   Downloaded shader_version v0.6.0
[INFO] [stderr]   Downloaded getrandom v0.1.8
[INFO] [stderr]   Downloaded vecmath v1.0.0
[INFO] [stderr]   Downloaded piston2d-graphics v0.32.0
[INFO] [stderr]   Downloaded pistoncore-window v0.44.0
[INFO] [stderr]   Downloaded piston-graphics_api_version v0.2.0
[INFO] [stderr]   Downloaded piston2d-drag_controller v0.29.0
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.65.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3be6b94546137df6bf86b37c2f924d481fd7b6eebd5cf840f92daa9a304739d
[INFO] running `Command { std: "docker" "start" "-a" "e3be6b94546137df6bf86b37c2f924d481fd7b6eebd5cf840f92daa9a304739d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3be6b94546137df6bf86b37c2f924d481fd7b6eebd5cf840f92daa9a304739d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3be6b94546137df6bf86b37c2f924d481fd7b6eebd5cf840f92daa9a304739d", kill_on_drop: false }`
[INFO] [stdout] e3be6b94546137df6bf86b37c2f924d481fd7b6eebd5cf840f92daa9a304739d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5b8542c7472673b31775c1c052263c93501696edf55271ccdb81b709aae34f0
[INFO] running `Command { std: "docker" "start" "-a" "a5b8542c7472673b31775c1c052263c93501696edf55271ccdb81b709aae34f0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling piston-float v1.0.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling piston-graphics_api_version v0.2.0
[INFO] [stderr]    Compiling downcast-rs v1.0.4
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling read_color v1.0.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling piston-texture v0.6.0
[INFO] [stderr]    Compiling interpolation v0.2.0
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
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[INFO] [stderr]    Compiling semver v0.9.0
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[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling shader_version v0.6.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling gif v0.10.2
[INFO] [stderr]    Compiling stb_truetype v0.2.6
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling getrandom v0.1.8
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.3
[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 rand v0.7.2
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling rusttype v0.7.7
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling wayland-commons v0.21.13
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling piston2d-graphics v0.32.0
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.2
[INFO] [stderr]    Compiling pistoncore-input v0.28.0
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.65.0
[INFO] [stderr]    Compiling pistoncore-window v0.44.0
[INFO] [stderr]    Compiling piston2d-drag_controller v0.29.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.49.0
[INFO] [stderr]    Compiling piston v0.49.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling winit v0.19.1
[INFO] [stderr]    Compiling glutin v0.21.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.63.0
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `standard`
[INFO] [stdout]    --> src/chessboard.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub fn standard() -> Chessboard {
[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 1m 39s
[INFO] running `Command { std: "docker" "inspect" "a5b8542c7472673b31775c1c052263c93501696edf55271ccdb81b709aae34f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b8542c7472673b31775c1c052263c93501696edf55271ccdb81b709aae34f0", kill_on_drop: false }`
[INFO] [stdout] a5b8542c7472673b31775c1c052263c93501696edf55271ccdb81b709aae34f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f5ce91df09c11afd8230a3c2b704c0642bc3aadb5ea04c5c952bf149fa1f9b3
[INFO] running `Command { std: "docker" "start" "-a" "0f5ce91df09c11afd8230a3c2b704c0642bc3aadb5ea04c5c952bf149fa1f9b3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `standard`
[INFO] [stdout]    --> src/chessboard.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub fn standard() -> Chessboard {
[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 27.63s
[INFO] running `Command { std: "docker" "inspect" "0f5ce91df09c11afd8230a3c2b704c0642bc3aadb5ea04c5c952bf149fa1f9b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f5ce91df09c11afd8230a3c2b704c0642bc3aadb5ea04c5c952bf149fa1f9b3", kill_on_drop: false }`
[INFO] [stdout] 0f5ce91df09c11afd8230a3c2b704c0642bc3aadb5ea04c5c952bf149fa1f9b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 58de79456644b65dbe8f573b0aa0b84bf5f6c4e7615e48ba2cd94d026f4ffd8f
[INFO] running `Command { std: "docker" "start" "-a" "58de79456644b65dbe8f573b0aa0b84bf5f6c4e7615e48ba2cd94d026f4ffd8f", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `standard`
[INFO] [stderr]    --> src/chessboard.rs:176:12
[INFO] [stderr]     |
[INFO] [stderr] 176 |     pub fn standard() -> Chessboard {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chess` (bin "chess" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chess-9db68a21278b8207)
[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" "58de79456644b65dbe8f573b0aa0b84bf5f6c4e7615e48ba2cd94d026f4ffd8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58de79456644b65dbe8f573b0aa0b84bf5f6c4e7615e48ba2cd94d026f4ffd8f", kill_on_drop: false }`
[INFO] [stdout] 58de79456644b65dbe8f573b0aa0b84bf5f6c4e7615e48ba2cd94d026f4ffd8f