[INFO] cloning repository https://github.com/h3nnn4n/Mandelbrot-Explorer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/h3nnn4n/Mandelbrot-Explorer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3nnn4n%2FMandelbrot-Explorer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3nnn4n%2FMandelbrot-Explorer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3afefc326817eb4e2ea1711a9b7aa93237b14397
[INFO] testing h3nnn4n/Mandelbrot-Explorer against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3nnn4n%2FMandelbrot-Explorer" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/h3nnn4n/Mandelbrot-Explorer on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/h3nnn4n/Mandelbrot-Explorer
[INFO] finished tweaking git repo https://github.com/h3nnn4n/Mandelbrot-Explorer
[INFO] tweaked toml for git repo https://github.com/h3nnn4n/Mandelbrot-Explorer written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/h3nnn4n/Mandelbrot-Explorer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 60cb04d420b79422c1b9430e73f329f13b92322ecc732f23bd7241f77a47c940
[INFO] running `Command { std: "docker" "start" "-a" "60cb04d420b79422c1b9430e73f329f13b92322ecc732f23bd7241f77a47c940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60cb04d420b79422c1b9430e73f329f13b92322ecc732f23bd7241f77a47c940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60cb04d420b79422c1b9430e73f329f13b92322ecc732f23bd7241f77a47c940", kill_on_drop: false }`
[INFO] [stdout] 60cb04d420b79422c1b9430e73f329f13b92322ecc732f23bd7241f77a47c940
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 9aad564643ccaf8cd5de7feed85b2c71f8233a710678edc0124592894a3d95c6
[INFO] running `Command { std: "docker" "start" "-a" "9aad564643ccaf8cd5de7feed85b2c71f8233a710678edc0124592894a3d95c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.37
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling backtrace v0.3.12
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling num-complex v0.3.0
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.37
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.31
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.37
[INFO] [stderr]    Compiling wasm-bindgen v0.2.37
[INFO] [stderr]    Compiling num v0.3.0
[INFO] [stderr]    Compiling web-sys v0.3.14
[INFO] [stderr]    Compiling js-sys v0.3.14
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling mandelbrot-explorer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.96s
[INFO] running `Command { std: "docker" "inspect" "9aad564643ccaf8cd5de7feed85b2c71f8233a710678edc0124592894a3d95c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aad564643ccaf8cd5de7feed85b2c71f8233a710678edc0124592894a3d95c6", kill_on_drop: false }`
[INFO] [stdout] 9aad564643ccaf8cd5de7feed85b2c71f8233a710678edc0124592894a3d95c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e323b54b770dea007e9fcff98b435189dc103f20cb3debe98a01d4f7c83c72d
[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" "7e323b54b770dea007e9fcff98b435189dc103f20cb3debe98a01d4f7c83c72d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mandelbrot-explorer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "7e323b54b770dea007e9fcff98b435189dc103f20cb3debe98a01d4f7c83c72d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e323b54b770dea007e9fcff98b435189dc103f20cb3debe98a01d4f7c83c72d", kill_on_drop: false }`
[INFO] [stdout] 7e323b54b770dea007e9fcff98b435189dc103f20cb3debe98a01d4f7c83c72d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d40f8373d3fb437745b0cbb96bea9c539b6e85a0aa2cb4715295cf2c45dec74
[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" "1d40f8373d3fb437745b0cbb96bea9c539b6e85a0aa2cb4715295cf2c45dec74", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mandelbrot_explorer-37d4c419e7f12d59
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mandelbrot-explorer
[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] [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" "1d40f8373d3fb437745b0cbb96bea9c539b6e85a0aa2cb4715295cf2c45dec74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d40f8373d3fb437745b0cbb96bea9c539b6e85a0aa2cb4715295cf2c45dec74", kill_on_drop: false }`
[INFO] [stdout] 1d40f8373d3fb437745b0cbb96bea9c539b6e85a0aa2cb4715295cf2c45dec74