[INFO] fetching crate sigq 0.9.1...
[INFO] checking sigq-0.9.1 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate sigq 0.9.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate sigq 0.9.1 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sigq 0.9.1
[INFO] finished tweaking crates.io crate sigq 0.9.1
[INFO] tweaked toml for crates.io crate sigq 0.9.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f8dd08e681d511c988a746638d0aeeaa69d923519f322f54d793629b15b3515
[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" "0f8dd08e681d511c988a746638d0aeeaa69d923519f322f54d793629b15b3515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f8dd08e681d511c988a746638d0aeeaa69d923519f322f54d793629b15b3515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f8dd08e681d511c988a746638d0aeeaa69d923519f322f54d793629b15b3515", kill_on_drop: false }`
[INFO] [stdout] 0f8dd08e681d511c988a746638d0aeeaa69d923519f322f54d793629b15b3515
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c844372c6dd520b8f165d91909905e80ad9c03b1fcca9c0d2095bac3685579a3
[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" "c844372c6dd520b8f165d91909905e80ad9c03b1fcca9c0d2095bac3685579a3", kill_on_drop: false }`
[INFO] [stderr]     Checking sigq v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "c844372c6dd520b8f165d91909905e80ad9c03b1fcca9c0d2095bac3685579a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c844372c6dd520b8f165d91909905e80ad9c03b1fcca9c0d2095bac3685579a3", kill_on_drop: false }`
[INFO] [stdout] c844372c6dd520b8f165d91909905e80ad9c03b1fcca9c0d2095bac3685579a3