[INFO] cloning repository https://github.com/Dko1905/mandelbrot-rust-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dko1905/mandelbrot-rust-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDko1905%2Fmandelbrot-rust-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDko1905%2Fmandelbrot-rust-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4626f525200be70469dc5ae0e8c274374053779
[INFO] checking Dko1905/mandelbrot-rust-generator against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDko1905%2Fmandelbrot-rust-generator" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dko1905/mandelbrot-rust-generator on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Dko1905/mandelbrot-rust-generator
[INFO] finished tweaking git repo https://github.com/Dko1905/mandelbrot-rust-generator
[INFO] tweaked toml for git repo https://github.com/Dko1905/mandelbrot-rust-generator written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colorsys v0.5.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6b5fc839d80a05ff9303f0d4837f2555167d05831dcdab81faf07b1c7585354
[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" "f6b5fc839d80a05ff9303f0d4837f2555167d05831dcdab81faf07b1c7585354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6b5fc839d80a05ff9303f0d4837f2555167d05831dcdab81faf07b1c7585354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b5fc839d80a05ff9303f0d4837f2555167d05831dcdab81faf07b1c7585354", kill_on_drop: false }`
[INFO] [stdout] f6b5fc839d80a05ff9303f0d4837f2555167d05831dcdab81faf07b1c7585354
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6be10a1ef7db4a5a19be0f1a6febb0e6463c8151f8dc5b9286f84fc54e87f3ae
[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" "6be10a1ef7db4a5a19be0f1a6febb0e6463c8151f8dc5b9286f84fc54e87f3ae", kill_on_drop: false }`
[INFO] [stderr]     Checking colorsys v0.5.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking mandelbrot-rust-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.86s
[INFO] running `Command { std: "docker" "inspect" "6be10a1ef7db4a5a19be0f1a6febb0e6463c8151f8dc5b9286f84fc54e87f3ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6be10a1ef7db4a5a19be0f1a6febb0e6463c8151f8dc5b9286f84fc54e87f3ae", kill_on_drop: false }`
[INFO] [stdout] 6be10a1ef7db4a5a19be0f1a6febb0e6463c8151f8dc5b9286f84fc54e87f3ae