[INFO] cloning repository https://github.com/snjax/bellman_cube
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/snjax/bellman_cube" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnjax%2Fbellman_cube", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnjax%2Fbellman_cube'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95e856bb7ed8d83b4efe7e364644082ae48f1d79
[INFO] checking snjax/bellman_cube against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnjax%2Fbellman_cube" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/snjax/bellman_cube on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/snjax/bellman_cube
[INFO] finished tweaking git repo https://github.com/snjax/bellman_cube
[INFO] tweaked toml for git repo https://github.com/snjax/bellman_cube written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/snjax/bellman_cube already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crunchy v0.1.6
[INFO] [stderr]   Downloaded blake2-rfc_bellman_edition v0.0.1
[INFO] [stderr]   Downloaded bellman_ce v0.3.0
[INFO] [stderr]   Downloaded sapling-crypto_ce v0.0.5
[INFO] [stderr]   Downloaded pairing_ce v0.17.0
[INFO] [stderr]   Downloaded ff_derive_ce v0.4.0
[INFO] [stderr]   Downloaded ff_ce v0.6.0
[INFO] [stderr]   Downloaded tiny-keccak v1.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 227598019da6750b362e8b4860a82cf7ee3226edbb850acbe894a4234581fda6
[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" "227598019da6750b362e8b4860a82cf7ee3226edbb850acbe894a4234581fda6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "227598019da6750b362e8b4860a82cf7ee3226edbb850acbe894a4234581fda6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "227598019da6750b362e8b4860a82cf7ee3226edbb850acbe894a4234581fda6", kill_on_drop: false }`
[INFO] [stdout] 227598019da6750b362e8b4860a82cf7ee3226edbb850acbe894a4234581fda6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d6622bf5c48a385254ab103f51ec54dd63d1a3205cbccae4cd0a7447b3f441e
[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" "5d6622bf5c48a385254ab103f51ec54dd63d1a3205cbccae4cd0a7447b3f441e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking blake2-rfc_bellman_edition v0.0.1
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]     Checking tiny-keccak v1.4.2
[INFO] [stderr]     Checking crossbeam v0.7.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]    Compiling ff_derive_ce v0.4.0
[INFO] [stderr]     Checking ff_ce v0.6.0
[INFO] [stderr]     Checking pairing_ce v0.17.0
[INFO] [stderr]     Checking bellman_ce v0.3.0
[INFO] [stderr]     Checking sapling-crypto_ce v0.0.5
[INFO] [stderr]     Checking pedersen-test v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.13s
[INFO] running `Command { std: "docker" "inspect" "5d6622bf5c48a385254ab103f51ec54dd63d1a3205cbccae4cd0a7447b3f441e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d6622bf5c48a385254ab103f51ec54dd63d1a3205cbccae4cd0a7447b3f441e", kill_on_drop: false }`
[INFO] [stdout] 5d6622bf5c48a385254ab103f51ec54dd63d1a3205cbccae4cd0a7447b3f441e