[INFO] updating cached repository https://github.com/scottming/rhtml2text
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/scottming/rhtml2text
[INFO] [stderr]    aea821b..fa65a2f  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fa65a2fc15aa05b9c710ab22668400738e40c9ad
[INFO] testing scottming/rhtml2text against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottming%2Frhtml2text" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scottming/rhtml2text 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 git repo https://github.com/scottming/rhtml2text
[INFO] finished tweaking git repo https://github.com/scottming/rhtml2text
[INFO] tweaked toml for git repo https://github.com/scottming/rhtml2text written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/scottming/rhtml2text already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: unused manifest key: build-system
[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] 7c3c85efddbb5ebb6b501ecd4272ae56bd3d29d3dceb6c4856eaea7e74702c11
[INFO] running `"docker" "start" "-a" "7c3c85efddbb5ebb6b501ecd4272ae56bd3d29d3dceb6c4856eaea7e74702c11"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused manifest key: build-system
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling pyo3 v0.10.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr] error: failed to run custom build command for `pyo3 v0.10.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/pyo3-6e254ac8975bff72/build-script-build` (exit code: 1)
[INFO] [stderr] --- stderr
[INFO] [stderr] Error: "PyO3 requires a nightly or dev version of Rust."
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7c3c85efddbb5ebb6b501ecd4272ae56bd3d29d3dceb6c4856eaea7e74702c11"`
[INFO] running `"docker" "rm" "-f" "7c3c85efddbb5ebb6b501ecd4272ae56bd3d29d3dceb6c4856eaea7e74702c11"`
[INFO] [stdout] 7c3c85efddbb5ebb6b501ecd4272ae56bd3d29d3dceb6c4856eaea7e74702c11