[INFO] fetching crate solana-stake-monitor 1.6.16...
[INFO] testing solana-stake-monitor-1.6.16 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate solana-stake-monitor 1.6.16 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate solana-stake-monitor 1.6.16 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate solana-stake-monitor 1.6.16
[INFO] finished tweaking crates.io crate solana-stake-monitor 1.6.16
[INFO] tweaked toml for crates.io crate solana-stake-monitor 1.6.16 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate solana-stake-monitor 1.6.16 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jsonrpc-core-client v17.1.0
[INFO] [stderr]   Downloaded jsonrpc-derive v17.1.0
[INFO] [stderr]   Downloaded parity-tokio-ipc v0.8.0
[INFO] [stderr]   Downloaded solana-crate-features v1.6.16
[INFO] [stderr]   Downloaded borsh-derive v0.9.0
[INFO] [stderr]   Downloaded borsh-derive-internal v0.9.0
[INFO] [stderr]   Downloaded jsonrpc-server-utils v17.1.0
[INFO] [stderr]   Downloaded jsonrpc-ws-server v17.1.0
[INFO] [stderr]   Downloaded goauth v0.9.0
[INFO] [stderr]   Downloaded serial_test v0.4.0
[INFO] [stderr]   Downloaded solana-rayon-threadlimit v1.6.16
[INFO] [stderr]   Downloaded serial_test_derive v0.4.0
[INFO] [stderr]   Downloaded jsonrpc-pubsub v17.1.0
[INFO] [stderr]   Downloaded raptorq v1.6.3
[INFO] [stderr]   Downloaded parity-ws v0.10.0
[INFO] [stderr]   Downloaded jsonrpc-client-transports v17.1.0
[INFO] [stderr]   Downloaded solana-frozen-abi v1.6.16
[INFO] [stderr]   Downloaded solana-program v1.6.16
[INFO] [stderr]   Downloaded solana_rbpf v0.2.9
[INFO] [stderr]   Downloaded sysctl v0.4.1
[INFO] [stderr]   Downloaded borsh v0.9.0
[INFO] [stderr]   Downloaded solana-metrics v1.6.16
[INFO] [stderr]   Downloaded borsh-schema-derive-internal v0.9.0
[INFO] [stderr]   Downloaded solana-frozen-abi-macro v1.6.16
[INFO] [stderr]   Downloaded solana-logger v1.6.16
[INFO] [stderr]   Downloaded solana-sdk-macro v1.6.16
[INFO] [stderr]   Downloaded solana-sdk v1.6.16
[INFO] [stderr]   Downloaded jsonrpc-http-server v17.1.0
[INFO] [stderr]   Downloaded solana-merkle-tree v1.6.16
[INFO] [stderr]   Downloaded solana-vest-program v1.6.16
[INFO] [stderr]   Downloaded solana-account-decoder v1.6.16
[INFO] [stderr]   Downloaded solana-banks-interface v1.6.16
[INFO] [stderr]   Downloaded solana-secp256k1-program v1.6.16
[INFO] [stderr]   Downloaded solana-banks-client v1.6.16
[INFO] [stderr]   Downloaded solana-budget-program v1.6.16
[INFO] [stderr]   Downloaded solana-cli-config v1.6.16
[INFO] [stderr]   Downloaded solana-storage-proto v1.6.16
[INFO] [stderr]   Downloaded solana-measure v1.6.16
[INFO] [stderr]   Downloaded solana-banks-server v1.6.16
[INFO] [stderr]   Downloaded solana-download-utils v1.6.16
[INFO] [stderr]   Downloaded solana-streamer v1.6.16
[INFO] [stderr]   Downloaded solana-version v1.6.16
[INFO] [stderr]   Downloaded solana-exchange-program v1.6.16
[INFO] [stderr]   Downloaded solana-vote-program v1.6.16
[INFO] [stderr]   Downloaded solana-sys-tuner v1.6.16
[INFO] [stderr]   Downloaded solana-net-utils v1.6.16
[INFO] [stderr]   Downloaded solana-client v1.6.16
[INFO] [stderr]   Downloaded solana-remote-wallet v1.6.16
[INFO] [stderr]   Downloaded solana-perf v1.6.16
[INFO] [stderr]   Downloaded solana-storage-bigtable v1.6.16
[INFO] [stderr]   Downloaded solana-config-program v1.6.16
[INFO] [stderr]   Downloaded solana-bpf-loader-program v1.6.16
[INFO] [stderr]   Downloaded solana-stake-program v1.6.16
[INFO] [stderr]   Downloaded solana-transaction-status v1.6.16
[INFO] [stderr]   Downloaded solana-faucet v1.6.16
[INFO] [stderr]   Downloaded solana-ledger v1.6.16
[INFO] [stderr]   Downloaded solana-program-test v1.6.16
[INFO] [stderr]   Downloaded solana-local-cluster v1.6.16
[INFO] [stderr]   Downloaded solana-runtime v1.6.16
[INFO] [stderr]   Downloaded solana-core v1.6.16
[INFO] [stderr]   Downloaded solana-clap-utils v1.6.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 8fa977f789c263e09480a4c3f0ca8e1258c889f15a695987d6dd297337282043
[INFO] running `Command { std: "docker" "start" "-a" "8fa977f789c263e09480a4c3f0ca8e1258c889f15a695987d6dd297337282043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fa977f789c263e09480a4c3f0ca8e1258c889f15a695987d6dd297337282043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fa977f789c263e09480a4c3f0ca8e1258c889f15a695987d6dd297337282043", kill_on_drop: false }`
[INFO] [stdout] 8fa977f789c263e09480a4c3f0ca8e1258c889f15a695987d6dd297337282043
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95ae2b57a1b98ccc0a50a23d00c78a13924577eaae116e397f3b771d87a1f6f3
[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" "95ae2b57a1b98ccc0a50a23d00c78a13924577eaae116e397f3b771d87a1f6f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling base32 v0.4.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.7.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling solana-frozen-abi-macro v1.6.16
[INFO] [stderr]    Compiling solana-frozen-abi v1.6.16
[INFO] [stderr]    Compiling solana-program v1.6.16
[INFO] [stderr]    Compiling solana-sdk v1.6.16
[INFO] [stderr]    Compiling solana-vote-program v1.6.16
[INFO] [stderr]    Compiling solana-stake-program v1.6.16
[INFO] [stderr]    Compiling solana-version v1.6.16
[INFO] [stderr]    Compiling solana-runtime v1.6.16
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling hmac-drbg v0.2.0
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling gethostname v0.2.1
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling termios v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling rpassword v4.0.5
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cc v1.0.49
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling solana-rayon-threadlimit v1.6.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling console v0.11.3
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling tar v0.4.35
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling solana-logger v1.6.16
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling indicatif v0.15.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling zstd-sys v1.4.18+zstd.1.4.7
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling hidapi v1.2.6
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.73/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=1fe213f2a58ca813 -C extra-filename=-1fe213f2a58ca813 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-e476eeba35620bc2.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-7cec808d916b2240.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-11d097b41f2e60a4.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (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" "95ae2b57a1b98ccc0a50a23d00c78a13924577eaae116e397f3b771d87a1f6f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95ae2b57a1b98ccc0a50a23d00c78a13924577eaae116e397f3b771d87a1f6f3", kill_on_drop: false }`
[INFO] [stdout] 95ae2b57a1b98ccc0a50a23d00c78a13924577eaae116e397f3b771d87a1f6f3