[INFO] fetching crate ekvsb 0.0.13...
[INFO] testing ekvsb-0.0.13 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ekvsb 0.0.13 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ekvsb 0.0.13 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ekvsb 0.0.13
[INFO] finished tweaking crates.io crate ekvsb 0.0.13
[INFO] tweaked toml for crates.io crate ekvsb 0.0.13 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0d523f253bd6fa9948547222ac0728e89439a2436e950c30dff678b315f752e4
[INFO] running `Command { std: "docker" "start" "-a" "0d523f253bd6fa9948547222ac0728e89439a2436e950c30dff678b315f752e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d523f253bd6fa9948547222ac0728e89439a2436e950c30dff678b315f752e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d523f253bd6fa9948547222ac0728e89439a2436e950c30dff678b315f752e4", kill_on_drop: false }`
[INFO] [stdout] 0d523f253bd6fa9948547222ac0728e89439a2436e950c30dff678b315f752e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94f7b08b6f4b14b974933c9bb20ea73e6b5f21bf75ecc41571e07c3c235c7b57
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "94f7b08b6f4b14b974933c9bb20ea73e6b5f21bf75ecc41571e07c3c235c7b57", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling smallvec v1.6.0
[INFO] [stderr]    Compiling historian v4.0.3
[INFO] [stderr]    Compiling nbchan v0.1.3
[INFO] [stderr]    Compiling atomic_immut v0.1.4
[INFO] [stderr]    Compiling splay_tree v0.2.10
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling terminal_size v0.1.15
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling gnuplot v0.0.37
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling number_prefix v0.2.8
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling byte-unit v1.1.0
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling console v0.14.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling indicatif v0.11.0
[INFO] [stderr]    Compiling fibers v0.1.13
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling librocksdb-sys v6.11.4
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling trackable v0.2.23
[INFO] [stderr]    Compiling hashbrown v0.2.2
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling prometrics v0.1.13
[INFO] [stderr]    Compiling pagecache v0.16.2
[INFO] [stderr]    Compiling cannyls v0.9.4
[INFO] [stderr] error: could not compile `pagecache`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name pagecache --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pagecache-0.16.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=a698ca2132aee568 -C extra-filename=-a698ca2132aee568 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bincode=/opt/rustwide/target/debug/deps/libbincode-fdaadbeddec908a4.rmeta --extern crc32fast=/opt/rustwide/target/debug/deps/libcrc32fast-78c4a06097ec9217.rmeta --extern crossbeam_epoch=/opt/rustwide/target/debug/deps/libcrossbeam_epoch-8781c3fe1f4040ed.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-09178b46ee20288f.rmeta --extern fs2=/opt/rustwide/target/debug/deps/libfs2-9e25ba547a1994ff.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-adb515f94880e447.rmeta --extern fxhash=/opt/rustwide/target/debug/deps/libfxhash-b3242efaf67893e7.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-d2f97470fff44c2e.rmeta --extern historian=/opt/rustwide/target/debug/deps/libhistorian-a7c5208e70fe30e9.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-7895c92c6d278491.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-e0846f52673851a4.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-e85f58044ae91ffe.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-14343233beda00e4.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-0f682e824bd4c674.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "94f7b08b6f4b14b974933c9bb20ea73e6b5f21bf75ecc41571e07c3c235c7b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94f7b08b6f4b14b974933c9bb20ea73e6b5f21bf75ecc41571e07c3c235c7b57", kill_on_drop: false }`
[INFO] [stdout] 94f7b08b6f4b14b974933c9bb20ea73e6b5f21bf75ecc41571e07c3c235c7b57