[INFO] fetching crate driver_async 0.0.2...
[INFO] checking driver_async-0.0.2 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate driver_async 0.0.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate driver_async 0.0.2 on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate driver_async 0.0.2
[INFO] finished tweaking crates.io crate driver_async 0.0.2
[INFO] tweaked toml for crates.io crate driver_async 0.0.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68986443a5cac52ebf45b5f6e1e65e873c66ed28053823426e9c599f25e37772
[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" "68986443a5cac52ebf45b5f6e1e65e873c66ed28053823426e9c599f25e37772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68986443a5cac52ebf45b5f6e1e65e873c66ed28053823426e9c599f25e37772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68986443a5cac52ebf45b5f6e1e65e873c66ed28053823426e9c599f25e37772", kill_on_drop: false }`
[INFO] [stdout] 68986443a5cac52ebf45b5f6e1e65e873c66ed28053823426e9c599f25e37772
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--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] 0b13989af2ab8c31fe4b6b07e4370fe5bf37932d261b93ba9b6be2e3aaa10ea8
[INFO] running `Command { std: "docker" "start" "-a" "0b13989af2ab8c31fe4b6b07e4370fe5bf37932d261b93ba9b6be2e3aaa10ea8", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking driver_async v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.93s
[INFO] running `Command { std: "docker" "inspect" "0b13989af2ab8c31fe4b6b07e4370fe5bf37932d261b93ba9b6be2e3aaa10ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b13989af2ab8c31fe4b6b07e4370fe5bf37932d261b93ba9b6be2e3aaa10ea8", kill_on_drop: false }`
[INFO] [stdout] 0b13989af2ab8c31fe4b6b07e4370fe5bf37932d261b93ba9b6be2e3aaa10ea8