[INFO] cloning repository https://github.com/imjasonmiller/piston-sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imjasonmiller/piston-sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimjasonmiller%2Fpiston-sudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimjasonmiller%2Fpiston-sudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7210060f3c39ce5244a2d21a90b011fe3dd16000
[INFO] testing imjasonmiller/piston-sudoku against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimjasonmiller%2Fpiston-sudoku" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imjasonmiller/piston-sudoku 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/imjasonmiller/piston-sudoku
[INFO] finished tweaking git repo https://github.com/imjasonmiller/piston-sudoku
[INFO] tweaked toml for git repo https://github.com/imjasonmiller/piston-sudoku written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/imjasonmiller/piston-sudoku 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] da92587ae427b27b4efde233d61f98a542c807e8161e7e9f1ca34f429aac6e13
[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" "da92587ae427b27b4efde233d61f98a542c807e8161e7e9f1ca34f429aac6e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da92587ae427b27b4efde233d61f98a542c807e8161e7e9f1ca34f429aac6e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da92587ae427b27b4efde233d61f98a542c807e8161e7e9f1ca34f429aac6e13", kill_on_drop: false }`
[INFO] [stdout] da92587ae427b27b4efde233d61f98a542c807e8161e7e9f1ca34f429aac6e13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c9b389d1348f6f655b2a99eaed4f1f593f6c4d5b1ba4a15ae89f7401da808ed5
[INFO] running `Command { std: "docker" "start" "-a" "c9b389d1348f6f655b2a99eaed4f1f593f6c4d5b1ba4a15ae89f7401da808ed5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling png v0.16.2
[INFO] [stderr]    Compiling piston2d-graphics v0.36.0
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling gfx v0.18.2
[INFO] [stderr]    Compiling wayland-commons v0.21.13
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling image v0.23.3
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling piston-gfx_texture v0.41.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.68.0
[INFO] [stderr]    Compiling gfx_device_gl v0.16.2
[INFO] [stderr]    Compiling pistoncore-input v0.28.0
[INFO] [stderr]    Compiling pistoncore-window v0.44.0
[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 v0.19.5
[INFO] [stderr]    Compiling glutin v0.21.2
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.63.0
[INFO] [stderr]    Compiling piston_window v0.107.0
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 43s
[INFO] running `Command { std: "docker" "inspect" "c9b389d1348f6f655b2a99eaed4f1f593f6c4d5b1ba4a15ae89f7401da808ed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9b389d1348f6f655b2a99eaed4f1f593f6c4d5b1ba4a15ae89f7401da808ed5", kill_on_drop: false }`
[INFO] [stdout] c9b389d1348f6f655b2a99eaed4f1f593f6c4d5b1ba4a15ae89f7401da808ed5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b977ffe27203ed1ef856e1bd6854916b1d3400708ee25bfc355b85fb23d6edf6
[INFO] running `Command { std: "docker" "start" "-a" "b977ffe27203ed1ef856e1bd6854916b1d3400708ee25bfc355b85fb23d6edf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "b977ffe27203ed1ef856e1bd6854916b1d3400708ee25bfc355b85fb23d6edf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b977ffe27203ed1ef856e1bd6854916b1d3400708ee25bfc355b85fb23d6edf6", kill_on_drop: false }`
[INFO] [stdout] b977ffe27203ed1ef856e1bd6854916b1d3400708ee25bfc355b85fb23d6edf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] fa9c98d8fc659a56323a78173b969b3849bc115eb77ec6c19ea0a5ae1661da99
[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" "fa9c98d8fc659a56323a78173b969b3849bc115eb77ec6c19ea0a5ae1661da99", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku-df610804bb82650e)
[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" "fa9c98d8fc659a56323a78173b969b3849bc115eb77ec6c19ea0a5ae1661da99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa9c98d8fc659a56323a78173b969b3849bc115eb77ec6c19ea0a5ae1661da99", kill_on_drop: false }`
[INFO] [stdout] fa9c98d8fc659a56323a78173b969b3849bc115eb77ec6c19ea0a5ae1661da99