[INFO] fetching crate solana-core 1.2.0...
[INFO] testing solana-core-1.2.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate solana-core 1.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate solana-core 1.2.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate solana-core 1.2.0
[INFO] finished tweaking crates.io crate solana-core 1.2.0
[INFO] tweaked toml for crates.io crate solana-core 1.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2020-06-03" "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] 93dac33406e889ddd699b22054e228424f5d9420a399642bbee8c7d9cddb25db
[INFO] running `"docker" "start" "-a" "93dac33406e889ddd699b22054e228424f5d9420a399642bbee8c7d9cddb25db"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling scroll_derive v0.10.2
[INFO] [stderr]    Compiling globset v0.4.5
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling jsonrpc-core v14.2.0
[INFO] [stderr]    Compiling scroll v0.10.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling goblin v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling gethostname v0.2.1
[INFO] [stderr]    Compiling termios v0.3.2
[INFO] [stderr]    Compiling terminal_size v0.1.12
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling rpassword v4.0.5
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.10
[INFO] [stderr]    Compiling users v0.10.0
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling unix_socket2 v0.5.4
[INFO] [stderr]    Compiling jsonrpc-derive v14.2.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling cc v1.0.49
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling solana-rayon-threadlimit v1.2.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling core_affinity v0.5.10
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling console v0.11.3
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling console v0.10.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling tar v0.4.28
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling curve25519-dalek v2.1.0
[INFO] [stderr]    Compiling solana-logger v1.2.0
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling indicatif v0.14.0
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling openssl-sys v0.9.57
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.44/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-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"' -C metadata=eabd8013c2ea8ff0 -C extra-filename=-eabd8013c2ea8ff0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-e8d604087a5f8a27.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-c885c5656752cd50.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-d0da9711214ecc52.rmeta --cap-lints allow --cap-lints=warn --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path --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 `"docker" "inspect" "93dac33406e889ddd699b22054e228424f5d9420a399642bbee8c7d9cddb25db"`
[INFO] running `"docker" "rm" "-f" "93dac33406e889ddd699b22054e228424f5d9420a399642bbee8c7d9cddb25db"`
[INFO] [stdout] 93dac33406e889ddd699b22054e228424f5d9420a399642bbee8c7d9cddb25db