[INFO] cloning repository https://github.com/missionpinball/mpf-spike
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/missionpinball/mpf-spike" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmissionpinball%2Fmpf-spike"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmissionpinball%2Fmpf-spike'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d85e2639b61d6b1f93009de2bab0cf1851de7543
[INFO] checking missionpinball/mpf-spike against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmissionpinball%2Fmpf-spike" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/missionpinball/mpf-spike on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/missionpinball/mpf-spike
[INFO] finished tweaking git repo https://github.com/missionpinball/mpf-spike
[INFO] tweaked toml for git repo https://github.com/missionpinball/mpf-spike written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/missionpinball/mpf-spike already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ioctl-rs v0.2.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7fe9b1c7b7f8b9efc1d1b662ee1e3d37aa43ca7b58897fbd4e6ad9c8d6c37d0f
[INFO] running `"docker" "start" "-a" "7fe9b1c7b7f8b9efc1d1b662ee1e3d37aa43ca7b58897fbd4e6ad9c8d6c37d0f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking ioctl-rs v0.2.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking stderrlog v0.4.1
[INFO] [stderr]     Checking timeout-readwrite v0.1.0
[INFO] [stderr]     Checking mpf-spike v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.37s
[INFO] running `"docker" "inspect" "7fe9b1c7b7f8b9efc1d1b662ee1e3d37aa43ca7b58897fbd4e6ad9c8d6c37d0f"`
[INFO] running `"docker" "rm" "-f" "7fe9b1c7b7f8b9efc1d1b662ee1e3d37aa43ca7b58897fbd4e6ad9c8d6c37d0f"`
[INFO] [stdout] 7fe9b1c7b7f8b9efc1d1b662ee1e3d37aa43ca7b58897fbd4e6ad9c8d6c37d0f