[INFO] fetching crate cyclotron 0.0.3...
[INFO] checking cyclotron-0.0.3 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate cyclotron 0.0.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate cyclotron 0.0.3 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cyclotron 0.0.3
[INFO] finished tweaking crates.io crate cyclotron 0.0.3
[INFO] tweaked toml for crates.io crate cyclotron 0.0.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate cyclotron 0.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bec525b1d568751b21db20d022a7ceef3a67d63f8bcbd9b004739aefee2ead2f
[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" "bec525b1d568751b21db20d022a7ceef3a67d63f8bcbd9b004739aefee2ead2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bec525b1d568751b21db20d022a7ceef3a67d63f8bcbd9b004739aefee2ead2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bec525b1d568751b21db20d022a7ceef3a67d63f8bcbd9b004739aefee2ead2f", kill_on_drop: false }`
[INFO] [stdout] bec525b1d568751b21db20d022a7ceef3a67d63f8bcbd9b004739aefee2ead2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "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] 3d5a0082e3313f549bb35b66bfe9887d5b6be91dad3d04a9bc996408f33b33f3
[INFO] running `Command { std: "docker" "start" "-a" "3d5a0082e3313f549bb35b66bfe9887d5b6be91dad3d04a9bc996408f33b33f3", kill_on_drop: false }`
[INFO] [stderr]     Checking cyclotron v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "3d5a0082e3313f549bb35b66bfe9887d5b6be91dad3d04a9bc996408f33b33f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d5a0082e3313f549bb35b66bfe9887d5b6be91dad3d04a9bc996408f33b33f3", kill_on_drop: false }`
[INFO] [stdout] 3d5a0082e3313f549bb35b66bfe9887d5b6be91dad3d04a9bc996408f33b33f3