[INFO] fetching crate capnpc 0.13.1...
[INFO] checking capnpc-0.13.1 against master#d902752866cbbdb331e3cf28ff6bba86ab0f6c62 for pr-77271
[INFO] extracting crate capnpc 0.13.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate capnpc 0.13.1 on toolchain d902752866cbbdb331e3cf28ff6bba86ab0f6c62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate capnpc 0.13.1
[INFO] finished tweaking crates.io crate capnpc 0.13.1
[INFO] tweaked toml for crates.io crate capnpc 0.13.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate capnpc 0.13.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7048db5f363f9420497655d2e8f0d449118594ca1c41bb03d797149746ae788
[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" "f7048db5f363f9420497655d2e8f0d449118594ca1c41bb03d797149746ae788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7048db5f363f9420497655d2e8f0d449118594ca1c41bb03d797149746ae788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7048db5f363f9420497655d2e8f0d449118594ca1c41bb03d797149746ae788", kill_on_drop: false }`
[INFO] [stdout] f7048db5f363f9420497655d2e8f0d449118594ca1c41bb03d797149746ae788
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "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] a482001f3aee33770dd3fb831743ee37a056b55429f27f75b5a8267f30cbabe9
[INFO] running `Command { std: "docker" "start" "-a" "a482001f3aee33770dd3fb831743ee37a056b55429f27f75b5a8267f30cbabe9", kill_on_drop: false }`
[INFO] [stderr]     Checking capnp v0.13.3
[INFO] [stderr]     Checking capnpc v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.18s
[INFO] running `Command { std: "docker" "inspect" "a482001f3aee33770dd3fb831743ee37a056b55429f27f75b5a8267f30cbabe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a482001f3aee33770dd3fb831743ee37a056b55429f27f75b5a8267f30cbabe9", kill_on_drop: false }`
[INFO] [stdout] a482001f3aee33770dd3fb831743ee37a056b55429f27f75b5a8267f30cbabe9