[INFO] cloning repository https://github.com/stampery-labs/witnet-vanity
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stampery-labs/witnet-vanity" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstampery-labs%2Fwitnet-vanity", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstampery-labs%2Fwitnet-vanity'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c0cedeb03537404a6cb677f54513d246ee59411
[INFO] checking stampery-labs/witnet-vanity against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstampery-labs%2Fwitnet-vanity" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stampery-labs/witnet-vanity on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stampery-labs/witnet-vanity
[INFO] finished tweaking git repo https://github.com/stampery-labs/witnet-vanity
[INFO] tweaked toml for git repo https://github.com/stampery-labs/witnet-vanity written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/stampery-labs/witnet-vanity already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dce17743bbb08d89d110e655ba334509679211f4d39c060c7ced69edd519aa34
[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" "dce17743bbb08d89d110e655ba334509679211f4d39c060c7ced69edd519aa34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dce17743bbb08d89d110e655ba334509679211f4d39c060c7ced69edd519aa34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dce17743bbb08d89d110e655ba334509679211f4d39c060c7ced69edd519aa34", kill_on_drop: false }`
[INFO] [stdout] dce17743bbb08d89d110e655ba334509679211f4d39c060c7ced69edd519aa34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aafb9734d2e686809c504c37a784bcdddeeea56d06352351f6160a39cc0b42e0
[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" "aafb9734d2e686809c504c37a784bcdddeeea56d06352351f6160a39cc0b42e0", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking bech32 v0.7.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking indicatif v0.14.0
[INFO] [stderr]     Checking witnet-vanity v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.37s
[INFO] running `Command { std: "docker" "inspect" "aafb9734d2e686809c504c37a784bcdddeeea56d06352351f6160a39cc0b42e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aafb9734d2e686809c504c37a784bcdddeeea56d06352351f6160a39cc0b42e0", kill_on_drop: false }`
[INFO] [stdout] aafb9734d2e686809c504c37a784bcdddeeea56d06352351f6160a39cc0b42e0