[INFO] cloning repository https://github.com/markfknight/programming_rust_mandelbrot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/markfknight/programming_rust_mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkfknight%2Fprogramming_rust_mandelbrot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkfknight%2Fprogramming_rust_mandelbrot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 054813c300c2f2105edd052ebf86fd4dac810d15 [INFO] checking markfknight/programming_rust_mandelbrot against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkfknight%2Fprogramming_rust_mandelbrot" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/markfknight/programming_rust_mandelbrot on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/markfknight/programming_rust_mandelbrot [INFO] finished tweaking git repo https://github.com/markfknight/programming_rust_mandelbrot [INFO] tweaked toml for git repo https://github.com/markfknight/programming_rust_mandelbrot written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/markfknight/programming_rust_mandelbrot already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 737d57725c2ca7c840d80268f7badc8ed963810b3782c23561bc0a4a74bc1ab8 [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" "737d57725c2ca7c840d80268f7badc8ed963810b3782c23561bc0a4a74bc1ab8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "737d57725c2ca7c840d80268f7badc8ed963810b3782c23561bc0a4a74bc1ab8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "737d57725c2ca7c840d80268f7badc8ed963810b3782c23561bc0a4a74bc1ab8", kill_on_drop: false }` [INFO] [stdout] 737d57725c2ca7c840d80268f7badc8ed963810b3782c23561bc0a4a74bc1ab8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4b8978d8c17f0a593093be0ae30a49b1b32429897c939a36838040821e992517 [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" "4b8978d8c17f0a593093be0ae30a49b1b32429897c939a36838040821e992517", kill_on_drop: false }` [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking inflate v0.2.0 [INFO] [stderr] Checking num-integer v0.1.36 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking gif v0.9.2 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking num-bigint v0.1.43 [INFO] [stderr] Checking num-iter v0.1.35 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking rayon-core v1.4.0 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking png v0.7.0 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking jpeg-decoder v0.1.14 [INFO] [stderr] Checking image v0.13.0 [INFO] [stderr] Checking mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.01s [INFO] running `Command { std: "docker" "inspect" "4b8978d8c17f0a593093be0ae30a49b1b32429897c939a36838040821e992517", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b8978d8c17f0a593093be0ae30a49b1b32429897c939a36838040821e992517", kill_on_drop: false }` [INFO] [stdout] 4b8978d8c17f0a593093be0ae30a49b1b32429897c939a36838040821e992517