[INFO] fetching crate spin 0.9.0...
[INFO] checking spin-0.9.0 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate spin 0.9.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate spin 0.9.0 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spin 0.9.0
[INFO] finished tweaking crates.io crate spin 0.9.0
[INFO] tweaked toml for crates.io crate spin 0.9.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate spin 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e51b8d166906d46ef5bca37b39123be9c0f2d60cc91e51007e94dc881f31aed
[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" "6e51b8d166906d46ef5bca37b39123be9c0f2d60cc91e51007e94dc881f31aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e51b8d166906d46ef5bca37b39123be9c0f2d60cc91e51007e94dc881f31aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e51b8d166906d46ef5bca37b39123be9c0f2d60cc91e51007e94dc881f31aed", kill_on_drop: false }`
[INFO] [stdout] 6e51b8d166906d46ef5bca37b39123be9c0f2d60cc91e51007e94dc881f31aed
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54ed5b4b50541fa4c7aa7cfeed11014523cd71f3c827a52f65219cc485e8f3db
[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" "54ed5b4b50541fa4c7aa7cfeed11014523cd71f3c827a52f65219cc485e8f3db", kill_on_drop: false }`
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking spin v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "54ed5b4b50541fa4c7aa7cfeed11014523cd71f3c827a52f65219cc485e8f3db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54ed5b4b50541fa4c7aa7cfeed11014523cd71f3c827a52f65219cc485e8f3db", kill_on_drop: false }`
[INFO] [stdout] 54ed5b4b50541fa4c7aa7cfeed11014523cd71f3c827a52f65219cc485e8f3db