[INFO] fetching crate carol-test 1.1.1...
[INFO] checking carol-test-1.1.1 against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] extracting crate carol-test 1.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate carol-test 1.1.1 on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate carol-test 1.1.1
[INFO] finished tweaking crates.io crate carol-test 1.1.1
[INFO] tweaked toml for crates.io crate carol-test 1.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate carol-test 1.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 597cc68cd8db80755042ebc650a3677af26b48cb3d2bfb0e76e0e84e2be53381
[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" "597cc68cd8db80755042ebc650a3677af26b48cb3d2bfb0e76e0e84e2be53381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "597cc68cd8db80755042ebc650a3677af26b48cb3d2bfb0e76e0e84e2be53381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "597cc68cd8db80755042ebc650a3677af26b48cb3d2bfb0e76e0e84e2be53381", kill_on_drop: false }`
[INFO] [stdout] 597cc68cd8db80755042ebc650a3677af26b48cb3d2bfb0e76e0e84e2be53381
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4245e1d198359a543206bb31b0664adf9da3e8d7db95912d45bf8f25f476acad
[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" "4245e1d198359a543206bb31b0664adf9da3e8d7db95912d45bf8f25f476acad", kill_on_drop: false }`
[INFO] [stderr]     Checking carol-test v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "4245e1d198359a543206bb31b0664adf9da3e8d7db95912d45bf8f25f476acad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4245e1d198359a543206bb31b0664adf9da3e8d7db95912d45bf8f25f476acad", kill_on_drop: false }`
[INFO] [stdout] 4245e1d198359a543206bb31b0664adf9da3e8d7db95912d45bf8f25f476acad