[INFO] updating cached repository https://github.com/warpforge/warpgrapher
[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/warpforge/warpgrapher
[INFO] [stderr]    e088441..26124e6  2-graphson-support -> 2-graphson-support
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4a0b434ae5a004e3fac993cf7ebee2e50e0002ce
[INFO] testing warpforge/warpgrapher against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarpforge%2Fwarpgrapher" "/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/warpforge/warpgrapher on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/warpforge/warpgrapher
[INFO] finished tweaking git repo https://github.com/warpforge/warpgrapher
[INFO] tweaked toml for git repo https://github.com/warpforge/warpgrapher written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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=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" "+1.44.0" "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] 92b75ea895c989f2a4f7b46daeb54a600805ba40d03b254d09af29b7712488ce
[INFO] running `"docker" "start" "-a" "92b75ea895c989f2a4f7b46daeb54a600805ba40d03b254d09af29b7712488ce"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.63
[INFO] [stderr]    Compiling base64 v0.12.1
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling bytestring v0.1.5
[INFO] [stderr]    Compiling actix-service v0.4.2
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling resolv-conf v0.6.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.63
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling derive_more v0.99.7
[INFO] [stderr]    Compiling actix-macros v0.1.2
[INFO] [stderr]    Compiling async-trait v0.1.33
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling actix-web-codegen v0.2.2
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]    Compiling juniper_codegen v0.14.2
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.4
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling r2d2 v0.8.8
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling tokio-signal v0.2.9
[INFO] [stderr]    Compiling actix-server-config v0.1.2
[INFO] [stderr]    Compiling semver-parser v0.6.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling semver v0.5.1
[INFO] [stderr]    Compiling trust-dns-proto v0.6.3
[INFO] [stderr]    Compiling trust-dns-proto v0.5.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.63
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling trust-dns-resolver v0.10.3
[INFO] [stderr] error: could not compile `tokio`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tokio --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.21/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="blocking"' --cfg 'feature="default"' --cfg 'feature="fnv"' --cfg 'feature="futures-core"' --cfg 'feature="io-driver"' --cfg 'feature="io-util"' --cfg 'feature="iovec"' --cfg 'feature="lazy_static"' --cfg 'feature="libc"' --cfg 'feature="macros"' --cfg 'feature="memchr"' --cfg 'feature="mio"' --cfg 'feature="mio-uds"' --cfg 'feature="num_cpus"' --cfg 'feature="rt-core"' --cfg 'feature="rt-threaded"' --cfg 'feature="rt-util"' --cfg 'feature="signal"' --cfg 'feature="signal-hook-registry"' --cfg 'feature="slab"' --cfg 'feature="stream"' --cfg 'feature="sync"' --cfg 'feature="tcp"' --cfg 'feature="time"' --cfg 'feature="tokio-macros"' --cfg 'feature="udp"' --cfg 'feature="uds"' --cfg 'feature="winapi"' -C metadata=ab6b1f4af7b51704 -C extra-filename=-ab6b1f4af7b51704 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-fa58d22be861d894.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-b45dacb9ecb507ee.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-7cfa19c249329b58.rmeta --extern iovec=/opt/rustwide/target/debug/deps/libiovec-5618144fab7b2acb.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-807f2c476a0e6b86.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-e4dfce483ea4fe1d.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-6694212c7172d5bf.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-6066548793d7baa4.rmeta --extern mio_uds=/opt/rustwide/target/debug/deps/libmio_uds-45898b7cc296fd90.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-e56f6a37558f5148.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-f363498decc5326b.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-ea1b822c519539e1.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-7d2001f40ea12ace.rmeta --extern tokio_macros=/opt/rustwide/target/debug/deps/libtokio_macros-504b3128a0e6faa0.so --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "92b75ea895c989f2a4f7b46daeb54a600805ba40d03b254d09af29b7712488ce"`
[INFO] running `"docker" "rm" "-f" "92b75ea895c989f2a4f7b46daeb54a600805ba40d03b254d09af29b7712488ce"`
[INFO] [stdout] 92b75ea895c989f2a4f7b46daeb54a600805ba40d03b254d09af29b7712488ce