[INFO] fetching crate solana-validator 1.7.11...
[INFO] testing solana-validator-1.7.11 against 1.55.0 for beta-1.56-1
[INFO] extracting crate solana-validator 1.7.11 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate solana-validator 1.7.11 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate solana-validator 1.7.11
[INFO] finished tweaking crates.io crate solana-validator 1.7.11
[INFO] tweaked toml for crates.io crate solana-validator 1.7.11 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate solana-validator 1.7.11 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "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] 4f9650fb7bf292abcb4cac30cb5d69135dc29c483f31378523acc30fb09f4c75
[INFO] running `Command { std: "docker" "start" "-a" "4f9650fb7bf292abcb4cac30cb5d69135dc29c483f31378523acc30fb09f4c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f9650fb7bf292abcb4cac30cb5d69135dc29c483f31378523acc30fb09f4c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f9650fb7bf292abcb4cac30cb5d69135dc29c483f31378523acc30fb09f4c75", kill_on_drop: false }`
[INFO] [stdout] 4f9650fb7bf292abcb4cac30cb5d69135dc29c483f31378523acc30fb09f4c75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "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] d58cf57fb081b8163d102eb34a6f1e71cc252893308d35b9c5ae3e847921cc24
[INFO] running `Command { std: "docker" "start" "-a" "d58cf57fb081b8163d102eb34a6f1e71cc252893308d35b9c5ae3e847921cc24", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling bs58 v0.3.1
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling object v0.24.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling zstd-safe v2.0.6+zstd.1.4.7
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling aliasable v0.1.3
[INFO] [stderr]    Compiling symlink v0.1.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling bindgen v0.59.1
[INFO] [stderr]    Compiling base32 v0.4.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling simpl v0.1.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling ieee754 v0.2.6
[INFO] [stderr]    Compiling arc-swap v0.4.8
[INFO] [stderr]    Compiling indexed v0.1.1
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling raptorq v1.6.4
[INFO] [stderr]    Compiling retain_mut v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling tokio v1.10.1
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling num-bigint v0.4.1
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling qstring v0.7.2
[INFO] [stderr]    Compiling clang-sys v1.2.1
[INFO] [stderr]    Compiling bv v0.11.1
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling fast-math v0.1.1
[INFO] [stderr]    Compiling trees v0.2.1
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling uriparse v0.6.3
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling dir-diff v0.3.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling gethostname v0.2.1
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling termios v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling rpassword v4.0.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling unix_socket2 v0.5.4
[INFO] [stderr]    Compiling fd-lock v2.0.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling users v0.10.0
[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling solana-frozen-abi-macro v1.7.11
[INFO] [stderr]    Compiling solana-frozen-abi v1.7.11
[INFO] [stderr]    Compiling solana-program v1.7.11
[INFO] [stderr]    Compiling solana-sdk v1.7.11
[INFO] [stderr]    Compiling solana-vote-program v1.7.11
[INFO] [stderr]    Compiling solana-stake-program v1.7.11
[INFO] [stderr]    Compiling solana-runtime v1.7.11
[INFO] [stderr]    Compiling solana-version v1.7.11
[INFO] [stderr]    Compiling solana-ledger v1.7.11
[INFO] [stderr]    Compiling solana-gossip v1.7.11
[INFO] [stderr]    Compiling solana-core v1.7.11
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling solana-rayon-threadlimit v1.7.11
[INFO] [stderr]    Compiling core_affinity v0.5.10
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling tar v0.4.37
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling prost-build v0.8.0
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling addr2line v0.15.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling flate2 v1.0.21
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling libsecp256k1-core v0.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling miow v0.2.2
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling console v0.14.1
[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-1.0.75/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=e6a0a587e7da1fee -C extra-filename=-e6a0a587e7da1fee --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-77647f9079f570a2.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-716108c799c5057a.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-5ecee5fca1210f52.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" "d58cf57fb081b8163d102eb34a6f1e71cc252893308d35b9c5ae3e847921cc24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d58cf57fb081b8163d102eb34a6f1e71cc252893308d35b9c5ae3e847921cc24", kill_on_drop: false }`
[INFO] [stdout] d58cf57fb081b8163d102eb34a6f1e71cc252893308d35b9c5ae3e847921cc24