[INFO] fetching crate hwndloop 0.1.5...
[INFO] testing hwndloop-0.1.5 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate hwndloop 0.1.5 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate hwndloop 0.1.5 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hwndloop 0.1.5
[INFO] finished tweaking crates.io crate hwndloop 0.1.5
[INFO] tweaked toml for crates.io crate hwndloop 0.1.5 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c4e05733f3045f1a4a9dea576c677c95914fb1223e1b9e93e5fc58b3c76d097d
[INFO] running `"docker" "start" "-a" "c4e05733f3045f1a4a9dea576c677c95914fb1223e1b9e93e5fc58b3c76d097d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `x86_64-pc-windows-gnu` target may not be installed
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `x86_64-pc-windows-gnu` target may not be installed
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `cfg-if`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c4e05733f3045f1a4a9dea576c677c95914fb1223e1b9e93e5fc58b3c76d097d"`
[INFO] running `"docker" "rm" "-f" "c4e05733f3045f1a4a9dea576c677c95914fb1223e1b9e93e5fc58b3c76d097d"`
[INFO] [stdout] c4e05733f3045f1a4a9dea576c677c95914fb1223e1b9e93e5fc58b3c76d097d