[INFO] cloning repository https://github.com/fschutt/dithering-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fschutt/dithering-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffschutt%2Fdithering-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffschutt%2Fdithering-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 225d6d55f8d7e54354b71c73db90b5442c7a09ff
[INFO] testing fschutt/dithering-example against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffschutt%2Fdithering-example" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fschutt/dithering-example 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/fschutt/dithering-example
[INFO] finished tweaking git repo https://github.com/fschutt/dithering-example
[INFO] tweaked toml for git repo https://github.com/fschutt/dithering-example written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/fschutt/dithering-example 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]  Downloading crates ...
[INFO] [stderr]   Downloaded winit v0.7.6
[INFO] [stderr]   Downloaded core-foundation-sys v0.4.4
[INFO] [stderr]   Downloaded gleam v0.4.14
[INFO] [stderr]   Downloaded x11-dl v2.16.0
[INFO] [stderr]   Downloaded shared_library v0.1.7
[INFO] [stderr]   Downloaded wayland-window v0.7.0
[INFO] [stderr]   Downloaded glutin v0.9.2
[INFO] [stderr]   Downloaded core-foundation v0.4.4
[INFO] [stderr]   Downloaded glium v0.17.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c5adfd204a8c012972e661a9d6cc39a54d4566a50ecb3016551276bc4f4fec0e
[INFO] running `Command { std: "docker" "start" "-a" "c5adfd204a8c012972e661a9d6cc39a54d4566a50ecb3016551276bc4f4fec0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5adfd204a8c012972e661a9d6cc39a54d4566a50ecb3016551276bc4f4fec0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5adfd204a8c012972e661a9d6cc39a54d4566a50ecb3016551276bc4f4fec0e", kill_on_drop: false }`
[INFO] [stdout] c5adfd204a8c012972e661a9d6cc39a54d4566a50ecb3016551276bc4f4fec0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 53a9a6d825d1d88f1d0de6c163a7ccd5cad7e551dceb161a4f279f3e4a71d9e6
[INFO] running `Command { std: "docker" "start" "-a" "53a9a6d825d1d88f1d0de6c163a7ccd5cad7e551dceb161a4f279f3e4a71d9e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling lazy_static v0.2.10
[INFO] [stderr]    Compiling khronos_api v1.0.1
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.5
[INFO] [stderr]    Compiling xml-rs v0.6.1
[INFO] [stderr]    Compiling x11-dl v2.16.0
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling shared_library v0.1.7
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling wayland-scanner v0.9.10
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling wayland-client v0.9.10
[INFO] [stderr]    Compiling wayland-protocols v0.9.10
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling glutin v0.9.2
[INFO] [stderr]    Compiling glium v0.17.1
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling backtrace v0.3.4
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.9.10
[INFO] [stderr]    Compiling wayland-kbd v0.9.1
[INFO] [stderr]    Compiling wayland-window v0.7.0
[INFO] [stderr]    Compiling winit v0.7.6
[INFO] [stderr]    Compiling dithertest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.39s
[INFO] running `Command { std: "docker" "inspect" "53a9a6d825d1d88f1d0de6c163a7ccd5cad7e551dceb161a4f279f3e4a71d9e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53a9a6d825d1d88f1d0de6c163a7ccd5cad7e551dceb161a4f279f3e4a71d9e6", kill_on_drop: false }`
[INFO] [stdout] 53a9a6d825d1d88f1d0de6c163a7ccd5cad7e551dceb161a4f279f3e4a71d9e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c4a4036357dae2de09d8b1e9d0eed0ca0e3e6d41b6cfc8426cc990ca8458c680
[INFO] running `Command { std: "docker" "start" "-a" "c4a4036357dae2de09d8b1e9d0eed0ca0e3e6d41b6cfc8426cc990ca8458c680", kill_on_drop: false }`
[INFO] [stderr]    Compiling dithertest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "c4a4036357dae2de09d8b1e9d0eed0ca0e3e6d41b6cfc8426cc990ca8458c680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4a4036357dae2de09d8b1e9d0eed0ca0e3e6d41b6cfc8426cc990ca8458c680", kill_on_drop: false }`
[INFO] [stdout] c4a4036357dae2de09d8b1e9d0eed0ca0e3e6d41b6cfc8426cc990ca8458c680
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 83dbc73abe8e32884d2a6f181631b220fe243de0ca8b90353dc46fbfc3a0cf18
[INFO] running `Command { std: "docker" "start" "-a" "83dbc73abe8e32884d2a6f181631b220fe243de0ca8b90353dc46fbfc3a0cf18", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dithertest-a0a121d7923b6990)
[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" "83dbc73abe8e32884d2a6f181631b220fe243de0ca8b90353dc46fbfc3a0cf18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83dbc73abe8e32884d2a6f181631b220fe243de0ca8b90353dc46fbfc3a0cf18", kill_on_drop: false }`
[INFO] [stdout] 83dbc73abe8e32884d2a6f181631b220fe243de0ca8b90353dc46fbfc3a0cf18