[INFO] fetching crate cichlid 0.2.1...
[INFO] checking cichlid-0.2.1 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate cichlid 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cichlid 0.2.1 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 cichlid 0.2.1
[INFO] finished tweaking crates.io crate cichlid 0.2.1
[INFO] tweaked toml for crates.io crate cichlid 0.2.1 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 59c07c6c3f7947da852007df299b5960921c58d4bfdf3d8930d9484e736c542c
[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" "59c07c6c3f7947da852007df299b5960921c58d4bfdf3d8930d9484e736c542c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59c07c6c3f7947da852007df299b5960921c58d4bfdf3d8930d9484e736c542c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59c07c6c3f7947da852007df299b5960921c58d4bfdf3d8930d9484e736c542c", kill_on_drop: false }`
[INFO] [stdout] 59c07c6c3f7947da852007df299b5960921c58d4bfdf3d8930d9484e736c542c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] d531083b2e3221f388f1506872088f83d9d8763efd3de91be8d879f1defc4de7
[INFO] running `Command { std: "docker" "start" "-a" "d531083b2e3221f388f1506872088f83d9d8763efd3de91be8d879f1defc4de7", kill_on_drop: false }`
[INFO] [stderr]    Compiling cichlid v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "d531083b2e3221f388f1506872088f83d9d8763efd3de91be8d879f1defc4de7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d531083b2e3221f388f1506872088f83d9d8763efd3de91be8d879f1defc4de7", kill_on_drop: false }`
[INFO] [stdout] d531083b2e3221f388f1506872088f83d9d8763efd3de91be8d879f1defc4de7