[INFO] fetching crate once_spin 0.1.3...
[INFO] checking once_spin-0.1.3 against try#5d9095c550fcec9e458ce8d6b0c04a217641db66 for pr-77153
[INFO] extracting crate once_spin 0.1.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate once_spin 0.1.3 on toolchain 5d9095c550fcec9e458ce8d6b0c04a217641db66
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate once_spin 0.1.3
[INFO] finished tweaking crates.io crate once_spin 0.1.3
[INFO] tweaked toml for crates.io crate once_spin 0.1.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate once_spin 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "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] 1280deb225047c898628c2ae9bff5c7dc5f265e0faf891aa7e0198a25baee00a
[INFO] running `Command { std: "docker" "start" "-a" "1280deb225047c898628c2ae9bff5c7dc5f265e0faf891aa7e0198a25baee00a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1280deb225047c898628c2ae9bff5c7dc5f265e0faf891aa7e0198a25baee00a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1280deb225047c898628c2ae9bff5c7dc5f265e0faf891aa7e0198a25baee00a", kill_on_drop: false }`
[INFO] [stdout] 1280deb225047c898628c2ae9bff5c7dc5f265e0faf891aa7e0198a25baee00a
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "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] ab7d3e84893737ecdf9ffb8ab036c333d84a3e309d1b7b984d57c13981194217
[INFO] running `Command { std: "docker" "start" "-a" "ab7d3e84893737ecdf9ffb8ab036c333d84a3e309d1b7b984d57c13981194217", kill_on_drop: false }`
[INFO] [stderr]     Checking once_spin v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "ab7d3e84893737ecdf9ffb8ab036c333d84a3e309d1b7b984d57c13981194217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab7d3e84893737ecdf9ffb8ab036c333d84a3e309d1b7b984d57c13981194217", kill_on_drop: false }`
[INFO] [stdout] ab7d3e84893737ecdf9ffb8ab036c333d84a3e309d1b7b984d57c13981194217