[INFO] cloning repository https://github.com/simonallfrey/ProgrammingRust-mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simonallfrey/ProgrammingRust-mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonallfrey%2FProgrammingRust-mandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonallfrey%2FProgrammingRust-mandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11c727d3d3740041261200946813734d565e031b
[INFO] testing simonallfrey/ProgrammingRust-mandelbrot against 1.86.0 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonallfrey%2FProgrammingRust-mandelbrot" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simonallfrey/ProgrammingRust-mandelbrot on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/simonallfrey/ProgrammingRust-mandelbrot
[INFO] finished tweaking git repo https://github.com/simonallfrey/ProgrammingRust-mandelbrot
[INFO] tweaked toml for git repo https://github.com/simonallfrey/ProgrammingRust-mandelbrot written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/simonallfrey/ProgrammingRust-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" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deque v0.3.2
[INFO] [stderr]   Downloaded rayon v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b4a09e1fd245735d12a79a3a233a31476f0387965667835568ad1b327782302
[INFO] running `Command { std: "docker" "start" "-a" "6b4a09e1fd245735d12a79a3a233a31476f0387965667835568ad1b327782302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b4a09e1fd245735d12a79a3a233a31476f0387965667835568ad1b327782302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b4a09e1fd245735d12a79a3a233a31476f0387965667835568ad1b327782302", kill_on_drop: false }`
[INFO] [stdout] 6b4a09e1fd245735d12a79a3a233a31476f0387965667835568ad1b327782302
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46e9a37dc0f1d72d5155524bfd62382d577e794b44eea0e34cf4795211d5c8b3
[INFO] running `Command { std: "docker" "start" "-a" "46e9a37dc0f1d72d5155524bfd62382d577e794b44eea0e34cf4795211d5c8b3", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: chown /var/lib/docker/overlay2/21c4c210637298e936ace1d49e08f0c4a9812ffda99ca002731452b8d39438cc/work/work: no such file or directory
[INFO] running `Command { std: "docker" "inspect" "46e9a37dc0f1d72d5155524bfd62382d577e794b44eea0e34cf4795211d5c8b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e9a37dc0f1d72d5155524bfd62382d577e794b44eea0e34cf4795211d5c8b3", kill_on_drop: false }`
[INFO] [stdout] 46e9a37dc0f1d72d5155524bfd62382d577e794b44eea0e34cf4795211d5c8b3