[INFO] cloning repository https://github.com/connormullett/blockchain_proof_of_work
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/connormullett/blockchain_proof_of_work" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnormullett%2Fblockchain_proof_of_work", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnormullett%2Fblockchain_proof_of_work'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 390a4a1b11337c6ce729fd8b5b5b9d410e14d264
[INFO] testing connormullett/blockchain_proof_of_work against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnormullett%2Fblockchain_proof_of_work" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/connormullett/blockchain_proof_of_work on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/connormullett/blockchain_proof_of_work
[INFO] finished tweaking git repo https://github.com/connormullett/blockchain_proof_of_work
[INFO] tweaked toml for git repo https://github.com/connormullett/blockchain_proof_of_work written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/connormullett/blockchain_proof_of_work already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] f9762dd107cc498fb27372207aa4904a5f041bdcc24976a6a7246f787788c099
[INFO] running `Command { std: "docker" "start" "-a" "f9762dd107cc498fb27372207aa4904a5f041bdcc24976a6a7246f787788c099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9762dd107cc498fb27372207aa4904a5f041bdcc24976a6a7246f787788c099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9762dd107cc498fb27372207aa4904a5f041bdcc24976a6a7246f787788c099", kill_on_drop: false }`
[INFO] [stdout] f9762dd107cc498fb27372207aa4904a5f041bdcc24976a6a7246f787788c099
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", 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] 9205875dcfe054993b25bc5c2827a6a9c8b35bf98f092805cf3baacdf80dd5a7
[INFO] running `Command { std: "docker" "start" "-a" "9205875dcfe054993b25bc5c2827a6a9c8b35bf98f092805cf3baacdf80dd5a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling ring v0.17.0-alpha.8
[INFO] [stderr]    Compiling proof_of_work v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.91s
[INFO] running `Command { std: "docker" "inspect" "9205875dcfe054993b25bc5c2827a6a9c8b35bf98f092805cf3baacdf80dd5a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9205875dcfe054993b25bc5c2827a6a9c8b35bf98f092805cf3baacdf80dd5a7", kill_on_drop: false }`
[INFO] [stdout] 9205875dcfe054993b25bc5c2827a6a9c8b35bf98f092805cf3baacdf80dd5a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", 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] 5258b811a1f68e466729a48611b16e1628c82ebe2dc5228ba7fa084830342523
[INFO] running `Command { std: "docker" "start" "-a" "5258b811a1f68e466729a48611b16e1628c82ebe2dc5228ba7fa084830342523", kill_on_drop: false }`
[INFO] [stderr]    Compiling proof_of_work v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "5258b811a1f68e466729a48611b16e1628c82ebe2dc5228ba7fa084830342523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5258b811a1f68e466729a48611b16e1628c82ebe2dc5228ba7fa084830342523", kill_on_drop: false }`
[INFO] [stdout] 5258b811a1f68e466729a48611b16e1628c82ebe2dc5228ba7fa084830342523
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6031ef706d5f487dc86d00bfb726df57c6fff2919b11102db3397b3eba237a4e
[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" "6031ef706d5f487dc86d00bfb726df57c6fff2919b11102db3397b3eba237a4e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/proof_of_work-ccab84b17a209103)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6031ef706d5f487dc86d00bfb726df57c6fff2919b11102db3397b3eba237a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6031ef706d5f487dc86d00bfb726df57c6fff2919b11102db3397b3eba237a4e", kill_on_drop: false }`
[INFO] [stdout] 6031ef706d5f487dc86d00bfb726df57c6fff2919b11102db3397b3eba237a4e