[INFO] cloning repository https://github.com/vitorenesduarte/async-benchmarks
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vitorenesduarte/async-benchmarks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitorenesduarte%2Fasync-benchmarks"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitorenesduarte%2Fasync-benchmarks'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c65cfa743df73ef1513783cc7851122afc14cd8e
[INFO] testing vitorenesduarte/async-benchmarks against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitorenesduarte%2Fasync-benchmarks" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vitorenesduarte/async-benchmarks on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/vitorenesduarte/async-benchmarks
[INFO] finished tweaking git repo https://github.com/vitorenesduarte/async-benchmarks
[INFO] tweaked toml for git repo https://github.com/vitorenesduarte/async-benchmarks written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/vitorenesduarte/async-benchmarks already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6d02366603138615fa0dddd2fed8f183e5cf997c162b70362d614cab8da6803f
[INFO] running `"docker" "start" "-a" "6d02366603138615fa0dddd2fed8f183e5cf997c162b70362d614cab8da6803f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `"docker" "inspect" "6d02366603138615fa0dddd2fed8f183e5cf997c162b70362d614cab8da6803f"`
[INFO] running `"docker" "rm" "-f" "6d02366603138615fa0dddd2fed8f183e5cf997c162b70362d614cab8da6803f"`
[INFO] [stdout] 6d02366603138615fa0dddd2fed8f183e5cf997c162b70362d614cab8da6803f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 75a65e47ea6b74d91229ca7982e7ea8ddc95b059c5cbde3312150bda0551a155
[INFO] running `"docker" "start" "-a" "75a65e47ea6b74d91229ca7982e7ea8ddc95b059c5cbde3312150bda0551a155"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `"docker" "inspect" "75a65e47ea6b74d91229ca7982e7ea8ddc95b059c5cbde3312150bda0551a155"`
[INFO] running `"docker" "rm" "-f" "75a65e47ea6b74d91229ca7982e7ea8ddc95b059c5cbde3312150bda0551a155"`
[INFO] [stdout] 75a65e47ea6b74d91229ca7982e7ea8ddc95b059c5cbde3312150bda0551a155
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 915aa3d527ab06773f3f6a9daf044a3c2a3feae5dd9c8c5a7cd07cde7f6e9510
[INFO] running `"docker" "start" "-a" "915aa3d527ab06773f3f6a9daf044a3c2a3feae5dd9c8c5a7cd07cde7f6e9510"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `"docker" "inspect" "915aa3d527ab06773f3f6a9daf044a3c2a3feae5dd9c8c5a7cd07cde7f6e9510"`
[INFO] running `"docker" "rm" "-f" "915aa3d527ab06773f3f6a9daf044a3c2a3feae5dd9c8c5a7cd07cde7f6e9510"`
[INFO] [stdout] 915aa3d527ab06773f3f6a9daf044a3c2a3feae5dd9c8c5a7cd07cde7f6e9510