[INFO] fetching crate solana-stake-monitor 1.4.20...
[INFO] testing solana-stake-monitor-1.4.20 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate solana-stake-monitor 1.4.20 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate solana-stake-monitor 1.4.20 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate solana-stake-monitor 1.4.20
[INFO] finished tweaking crates.io crate solana-stake-monitor 1.4.20
[INFO] tweaked toml for crates.io crate solana-stake-monitor 1.4.20 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate solana-stake-monitor 1.4.20 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test v0.4.0
[INFO] [stderr]   Downloaded solana-exchange-program v1.5.0
[INFO] [stderr]   Downloaded solana-local-cluster v1.5.0
[INFO] [stderr]   Downloaded solana-vest-program v1.5.0
[INFO] [stderr]   Downloaded serial_test_derive v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 4fc98dc2b4c4c2e2ed40ee848ffeef77366d2771585032fa11b7ee0f9109a523
[INFO] running `Command { std: "docker" "start" "-a" "4fc98dc2b4c4c2e2ed40ee848ffeef77366d2771585032fa11b7ee0f9109a523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fc98dc2b4c4c2e2ed40ee848ffeef77366d2771585032fa11b7ee0f9109a523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fc98dc2b4c4c2e2ed40ee848ffeef77366d2771585032fa11b7ee0f9109a523", kill_on_drop: false }`
[INFO] [stdout] 4fc98dc2b4c4c2e2ed40ee848ffeef77366d2771585032fa11b7ee0f9109a523
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", 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] f9cb30f45a0638dc9028066593603fa75ec4d50dd0abcb800992b4b92689e63a
[INFO] running `Command { std: "docker" "start" "-a" "f9cb30f45a0638dc9028066593603fa75ec4d50dd0abcb800992b4b92689e63a", kill_on_drop: false }`
[INFO] [stderr]    Compiling solana-stake-monitor v1.4.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.82s
[INFO] running `Command { std: "docker" "inspect" "f9cb30f45a0638dc9028066593603fa75ec4d50dd0abcb800992b4b92689e63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9cb30f45a0638dc9028066593603fa75ec4d50dd0abcb800992b4b92689e63a", kill_on_drop: false }`
[INFO] [stdout] f9cb30f45a0638dc9028066593603fa75ec4d50dd0abcb800992b4b92689e63a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", 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] d76841b8b5ca9f198192eeb47e76abc8f96fb5424f6fe1a7dfd77f9cff1f6ee5
[INFO] running `Command { std: "docker" "start" "-a" "d76841b8b5ca9f198192eeb47e76abc8f96fb5424f6fe1a7dfd77f9cff1f6ee5", kill_on_drop: false }`
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling serial_test_derive v0.4.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling reed-solomon-erasure v4.0.2
[INFO] [stderr]    Compiling tokio v0.3.6
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling scroll v0.10.2
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling async-stream v0.2.1
[INFO] [stderr]    Compiling enum-iterator v0.6.0
[INFO] [stderr]    Compiling parity-ws v0.10.0
[INFO] [stderr]    Compiling dlopen v0.1.8
[INFO] [stderr]    Compiling tower-discover v0.3.0
[INFO] [stderr]    Compiling tower-buffer v0.3.0
[INFO] [stderr]    Compiling tower-timeout v0.3.0
[INFO] [stderr]    Compiling tower-retry v0.3.0
[INFO] [stderr]    Compiling tower-make v0.3.0
[INFO] [stderr]    Compiling tower-load-shed v0.3.0
[INFO] [stderr]    Compiling backoff v0.2.1
[INFO] [stderr]    Compiling gag v0.1.10
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling tower-util v0.3.1
[INFO] [stderr]    Compiling chrono-humanize v0.1.1
[INFO] [stderr]    Compiling tower-load v0.3.0
[INFO] [stderr]    Compiling goblin v0.3.0
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling globset v0.4.6
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling jsonrpc-pubsub v15.1.0
[INFO] [stderr]    Compiling curve25519-dalek v3.0.0
[INFO] [stderr]    Compiling sysctl v0.4.0
[INFO] [stderr]    Compiling jsonrpc-derive v15.1.0
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling tower-limit v0.3.1
[INFO] [stderr]    Compiling tower-ready-cache v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.2.1
[INFO] [stderr]    Compiling serial_test v0.4.0
[INFO] [stderr]    Compiling tokio-serde v0.6.1
[INFO] [stderr]    Compiling smpl_jwt v0.5.0
[INFO] [stderr]    Compiling tower-balance v0.3.0
[INFO] [stderr]    Compiling jsonrpc-server-utils v15.1.0
[INFO] [stderr]    Compiling tower v0.3.1
[INFO] [stderr]    Compiling websocket-base v0.24.0
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling goauth v0.8.1
[INFO] [stderr]    Compiling jsonrpc-ws-server v15.1.0
[INFO] [stderr]    Compiling tonic v0.3.1
[INFO] [stderr]    Compiling solana-budget-program v1.5.0
[INFO] [stderr]    Compiling solana-merkle-tree v1.5.0
[INFO] [stderr]    Compiling websocket v0.24.0
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling solana-exchange-program v1.5.0
[INFO] [stderr]    Compiling solana-vest-program v1.5.0
[INFO] [stderr]    Compiling solana-sys-tuner v1.5.0
[INFO] [stderr]    Compiling solana-faucet v1.5.0
[INFO] [stderr]    Compiling jsonrpc-client-transports v15.1.0
[INFO] [stderr]    Compiling solana-download-utils v1.5.0
[INFO] [stderr] error: could not compile `clang-sys`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name clang_sys /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clang-sys-0.29.3/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="clang_6_0"' --cfg 'feature="gte_clang_3_6"' --cfg 'feature="gte_clang_3_7"' --cfg 'feature="gte_clang_3_8"' --cfg 'feature="gte_clang_3_9"' --cfg 'feature="gte_clang_4_0"' --cfg 'feature="gte_clang_5_0"' --cfg 'feature="gte_clang_6_0"' --cfg 'feature="libloading"' --cfg 'feature="runtime"' -C metadata=fedde06c85cae397 -C extra-filename=-fedde06c85cae397 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern glob=/opt/rustwide/target/debug/deps/libglob-25d3e3c81b4cce0b.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-0aca411dc2b49d53.rmeta --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-3bd8f057f2565ada.rmeta --cap-lints allow --cap-lints=warn -L native=/opt/rustwide/target/debug/build/libloading-92724d2d782359ac/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d76841b8b5ca9f198192eeb47e76abc8f96fb5424f6fe1a7dfd77f9cff1f6ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d76841b8b5ca9f198192eeb47e76abc8f96fb5424f6fe1a7dfd77f9cff1f6ee5", kill_on_drop: false }`
[INFO] [stdout] d76841b8b5ca9f198192eeb47e76abc8f96fb5424f6fe1a7dfd77f9cff1f6ee5