[INFO] cloning repository https://github.com/djordje200179/Mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/djordje200179/Mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjordje200179%2FMandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjordje200179%2FMandelbrot'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjordje200179%2FMandelbrot: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/djordje200179/Mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/djordje200179/Mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjordje200179%2FMandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjordje200179%2FMandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 436bcf7346aee42e90d70998cb1c311114d8378c
[INFO] checking djordje200179/Mandelbrot against try#6619027b13a87a3597115f2c8231f107bf3a7a5f for pr-139624
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjordje200179%2FMandelbrot" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/djordje200179/Mandelbrot on toolchain 6619027b13a87a3597115f2c8231f107bf3a7a5f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/djordje200179/Mandelbrot
[INFO] finished tweaking git repo https://github.com/djordje200179/Mandelbrot
[INFO] tweaked toml for git repo https://github.com/djordje200179/Mandelbrot written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/djordje200179/Mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fd00a72dee9a262d83df1a3c74d61dede4b26dd22fb584ff1f2e214de488802
[INFO] running `Command { std: "docker" "start" "-a" "8fd00a72dee9a262d83df1a3c74d61dede4b26dd22fb584ff1f2e214de488802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fd00a72dee9a262d83df1a3c74d61dede4b26dd22fb584ff1f2e214de488802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fd00a72dee9a262d83df1a3c74d61dede4b26dd22fb584ff1f2e214de488802", kill_on_drop: false }`
[INFO] [stdout] 8fd00a72dee9a262d83df1a3c74d61dede4b26dd22fb584ff1f2e214de488802
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54abe9cdec33dcac7224cf32dbc83bdaa8ba4c3a4801f3895cf2743076ded7a4
[INFO] running `Command { std: "docker" "start" "-a" "54abe9cdec33dcac7224cf32dbc83bdaa8ba4c3a4801f3895cf2743076ded7a4", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/71df89a4af9f7e5d86382e4df7caba527892c9c5ba08fb22311699995abc160c/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "54abe9cdec33dcac7224cf32dbc83bdaa8ba4c3a4801f3895cf2743076ded7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54abe9cdec33dcac7224cf32dbc83bdaa8ba4c3a4801f3895cf2743076ded7a4", kill_on_drop: false }`
[INFO] [stdout] 54abe9cdec33dcac7224cf32dbc83bdaa8ba4c3a4801f3895cf2743076ded7a4