[INFO] fetching crate rugint 0.4.1...
[INFO] checking rugint-0.4.1 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate rugint 0.4.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate rugint 0.4.1 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rugint 0.4.1
[INFO] finished tweaking crates.io crate rugint 0.4.1
[INFO] tweaked toml for crates.io crate rugint 0.4.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a05d73a8ee5b680a85687f307936f5b99a398d0afb8bc7a021abdc70cfaf1b4e
[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" "a05d73a8ee5b680a85687f307936f5b99a398d0afb8bc7a021abdc70cfaf1b4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a05d73a8ee5b680a85687f307936f5b99a398d0afb8bc7a021abdc70cfaf1b4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a05d73a8ee5b680a85687f307936f5b99a398d0afb8bc7a021abdc70cfaf1b4e", kill_on_drop: false }`
[INFO] [stdout] a05d73a8ee5b680a85687f307936f5b99a398d0afb8bc7a021abdc70cfaf1b4e
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1254e2c46a72873053c799d44a096c58bd9fc6e25f9c3774fb2b72615310a4a5
[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" "1254e2c46a72873053c799d44a096c58bd9fc6e25f9c3774fb2b72615310a4a5", kill_on_drop: false }`
[INFO] [stderr]     Checking rugint v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "1254e2c46a72873053c799d44a096c58bd9fc6e25f9c3774fb2b72615310a4a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1254e2c46a72873053c799d44a096c58bd9fc6e25f9c3774fb2b72615310a4a5", kill_on_drop: false }`
[INFO] [stdout] 1254e2c46a72873053c799d44a096c58bd9fc6e25f9c3774fb2b72615310a4a5