[INFO] cloning repository https://github.com/mpdrescher/pottcpp-rust-vortrag
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mpdrescher/pottcpp-rust-vortrag" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmpdrescher%2Fpottcpp-rust-vortrag", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmpdrescher%2Fpottcpp-rust-vortrag'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da369f4203256282dc60f335d82f6999d4a1739f
[INFO] checking mpdrescher/pottcpp-rust-vortrag against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmpdrescher%2Fpottcpp-rust-vortrag" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mpdrescher/pottcpp-rust-vortrag on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mpdrescher/pottcpp-rust-vortrag
[INFO] finished tweaking git repo https://github.com/mpdrescher/pottcpp-rust-vortrag
[INFO] tweaked toml for git repo https://github.com/mpdrescher/pottcpp-rust-vortrag written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mpdrescher/pottcpp-rust-vortrag already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "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] 269dd5a5f58a57c6e8b081d22e52e62b69ee9d22e420c21e311d8a9cff8c8b18
[INFO] running `Command { std: "docker" "start" "-a" "269dd5a5f58a57c6e8b081d22e52e62b69ee9d22e420c21e311d8a9cff8c8b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "269dd5a5f58a57c6e8b081d22e52e62b69ee9d22e420c21e311d8a9cff8c8b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "269dd5a5f58a57c6e8b081d22e52e62b69ee9d22e420c21e311d8a9cff8c8b18", kill_on_drop: false }`
[INFO] [stdout] 269dd5a5f58a57c6e8b081d22e52e62b69ee9d22e420c21e311d8a9cff8c8b18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b5499f4f1b26df3d77f6eca850c1338f6b5bb061744afa1ce360fb47a55cb7d
[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" "2b5499f4f1b26df3d77f6eca850c1338f6b5bb061744afa1ce360fb47a55cb7d", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.29
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking futures-cpupool v0.1.5
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking cppvortrag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.46s
[INFO] running `Command { std: "docker" "inspect" "2b5499f4f1b26df3d77f6eca850c1338f6b5bb061744afa1ce360fb47a55cb7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b5499f4f1b26df3d77f6eca850c1338f6b5bb061744afa1ce360fb47a55cb7d", kill_on_drop: false }`
[INFO] [stdout] 2b5499f4f1b26df3d77f6eca850c1338f6b5bb061744afa1ce360fb47a55cb7d