[INFO] fetching crate vm-info 0.2.0...
[INFO] checking vm-info-0.2.0 against beta for pr-78714
[INFO] extracting crate vm-info 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate vm-info 0.2.0 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 crates.io crate vm-info 0.2.0
[INFO] finished tweaking crates.io crate vm-info 0.2.0
[INFO] tweaked toml for crates.io crate vm-info 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate vm-info 0.2.0 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] 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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa45110a38db38b4c828defa44be7668b30977c6f1218eb7d68df653de2cd43b
[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" "aa45110a38db38b4c828defa44be7668b30977c6f1218eb7d68df653de2cd43b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa45110a38db38b4c828defa44be7668b30977c6f1218eb7d68df653de2cd43b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa45110a38db38b4c828defa44be7668b30977c6f1218eb7d68df653de2cd43b", kill_on_drop: false }`
[INFO] [stdout] aa45110a38db38b4c828defa44be7668b30977c6f1218eb7d68df653de2cd43b
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e254030c4a33c7c09631598fe866bbd591247990bd011e385bea0b41652bfafe
[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" "e254030c4a33c7c09631598fe866bbd591247990bd011e385bea0b41652bfafe", kill_on_drop: false }`
[INFO] [stderr]     Checking vm-info v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "e254030c4a33c7c09631598fe866bbd591247990bd011e385bea0b41652bfafe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e254030c4a33c7c09631598fe866bbd591247990bd011e385bea0b41652bfafe", kill_on_drop: false }`
[INFO] [stdout] e254030c4a33c7c09631598fe866bbd591247990bd011e385bea0b41652bfafe