[INFO] cloning repository https://github.com/hanksterhan/mandelbrot-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hanksterhan/mandelbrot-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanksterhan%2Fmandelbrot-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanksterhan%2Fmandelbrot-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1af1510c12a4a0a2401b2fcb31ca8528a93b67e1
[INFO] testing hanksterhan/mandelbrot-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanksterhan%2Fmandelbrot-rust" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hanksterhan/mandelbrot-rust 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/hanksterhan/mandelbrot-rust
[INFO] finished tweaking git repo https://github.com/hanksterhan/mandelbrot-rust
[INFO] tweaked toml for git repo https://github.com/hanksterhan/mandelbrot-rust written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/hanksterhan/mandelbrot-rust 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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 3ac0f89890cf42866c7f4971003f7098831b9a6d9846703ac5e3dc62b222d273
[INFO] running `Command { std: "docker" "start" "-a" "3ac0f89890cf42866c7f4971003f7098831b9a6d9846703ac5e3dc62b222d273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ac0f89890cf42866c7f4971003f7098831b9a6d9846703ac5e3dc62b222d273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ac0f89890cf42866c7f4971003f7098831b9a6d9846703ac5e3dc62b222d273", kill_on_drop: false }`
[INFO] [stdout] 3ac0f89890cf42866c7f4971003f7098831b9a6d9846703ac5e3dc62b222d273
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] b7f3efddcad4d088901daa87eb1782e061bbc7ed027986a3fd1b40021f5e6d1b
[INFO] running `Command { std: "docker" "start" "-a" "b7f3efddcad4d088901daa87eb1782e061bbc7ed027986a3fd1b40021f5e6d1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling khronos_api v1.0.1
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling smallvec v0.1.8
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling xml-rs v0.6.1
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling memmap v0.2.3
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling glutin v0.6.2
[INFO] [stderr]    Compiling glium v0.15.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.5.11
[INFO] [stderr]    Compiling wayland-window v0.2.3
[INFO] [stderr]    Compiling wayland-kbd v0.3.6
[INFO] [stderr]    Compiling mandelbrot-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.61s
[INFO] running `Command { std: "docker" "inspect" "b7f3efddcad4d088901daa87eb1782e061bbc7ed027986a3fd1b40021f5e6d1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7f3efddcad4d088901daa87eb1782e061bbc7ed027986a3fd1b40021f5e6d1b", kill_on_drop: false }`
[INFO] [stdout] b7f3efddcad4d088901daa87eb1782e061bbc7ed027986a3fd1b40021f5e6d1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 681b07fa28c414cf9c93263f47aa41af1eb6a06a45304b98b4dbd44b465db042
[INFO] running `Command { std: "docker" "start" "-a" "681b07fa28c414cf9c93263f47aa41af1eb6a06a45304b98b4dbd44b465db042", kill_on_drop: false }`
[INFO] [stderr]    Compiling mandelbrot-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "681b07fa28c414cf9c93263f47aa41af1eb6a06a45304b98b4dbd44b465db042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "681b07fa28c414cf9c93263f47aa41af1eb6a06a45304b98b4dbd44b465db042", kill_on_drop: false }`
[INFO] [stdout] 681b07fa28c414cf9c93263f47aa41af1eb6a06a45304b98b4dbd44b465db042
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 194353d41407d37ace8b5ddd7944df0c94423aec0c26b6645581e84acb6db20b
[INFO] running `Command { std: "docker" "start" "-a" "194353d41407d37ace8b5ddd7944df0c94423aec0c26b6645581e84acb6db20b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mandelbrot_rust-0614b5816eb04e98)
[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" "194353d41407d37ace8b5ddd7944df0c94423aec0c26b6645581e84acb6db20b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "194353d41407d37ace8b5ddd7944df0c94423aec0c26b6645581e84acb6db20b", kill_on_drop: false }`
[INFO] [stdout] 194353d41407d37ace8b5ddd7944df0c94423aec0c26b6645581e84acb6db20b