[INFO] cloning repository https://github.com/athei/rls_crash
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/athei/rls_crash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fathei%2Frls_crash"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fathei%2Frls_crash'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f82389aabe2c4f438b8eafd1a9371524e98fe63b
[INFO] testing athei/rls_crash against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fathei%2Frls_crash" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/athei/rls_crash 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/athei/rls_crash
[INFO] finished tweaking git repo https://github.com/athei/rls_crash
[INFO] tweaked toml for git repo https://github.com/athei/rls_crash written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/athei/rls_crash 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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 90bb769718f5aaa7ddb3bf773f480a57f50ab9def9126592f6d74dbf2b6ba84b
[INFO] running `"docker" "start" "-a" "90bb769718f5aaa7ddb3bf773f480a57f50ab9def9126592f6d74dbf2b6ba84b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling rls_crash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] 
[INFO] [stderr] thread 'rustc' has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow
[INFO] [stderr] error: could not compile `rls_crash`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rls_crash --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -Cembed-bitcode=no -C debuginfo=2 -C metadata=483d150ccff8eb0d -C extra-filename=-483d150ccff8eb0d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern num_derive=/opt/rustwide/target/debug/deps/libnum_derive-b977ada81663641e.so --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-78d40517ea4b6655.rlib --cap-lints=warn` (signal: 6, SIGABRT: process abort signal)
[INFO] running `"docker" "inspect" "90bb769718f5aaa7ddb3bf773f480a57f50ab9def9126592f6d74dbf2b6ba84b"`
[INFO] running `"docker" "rm" "-f" "90bb769718f5aaa7ddb3bf773f480a57f50ab9def9126592f6d74dbf2b6ba84b"`
[INFO] [stdout] 90bb769718f5aaa7ddb3bf773f480a57f50ab9def9126592f6d74dbf2b6ba84b