[INFO] fetching crate solana-core 1.5.0...
[INFO] testing solana-core-1.5.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate solana-core 1.5.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate solana-core 1.5.0 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 solana-core 1.5.0
[INFO] finished tweaking crates.io crate solana-core 1.5.0
[INFO] tweaked toml for crates.io crate solana-core 1.5.0 written to /workspace/builds/worker-5/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+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] fffc49d0fb20babc82814163428becfb31c37ac23238367164786c5d109949e0
[INFO] running `Command { std: "docker" "start" "-a" "fffc49d0fb20babc82814163428becfb31c37ac23238367164786c5d109949e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fffc49d0fb20babc82814163428becfb31c37ac23238367164786c5d109949e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fffc49d0fb20babc82814163428becfb31c37ac23238367164786c5d109949e0", kill_on_drop: false }`
[INFO] [stdout] fffc49d0fb20babc82814163428becfb31c37ac23238367164786c5d109949e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.49.0" "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] 0a61bc132c2af0528a4c9b1f506acfafdb46084455341a6b6173b2ceb53e134b
[INFO] running `Command { std: "docker" "start" "-a" "0a61bc132c2af0528a4c9b1f506acfafdb46084455341a6b6173b2ceb53e134b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling tower-layer v0.3.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling simpl v0.1.0
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling ieee754 v0.2.6
[INFO] [stderr]    Compiling indexed v0.1.1
[INFO] [stderr]    Compiling raptorq v1.6.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling tokio v0.3.6
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling standback v0.2.14
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]    Compiling ahash v0.6.2
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling fast-math v0.1.1
[INFO] [stderr]    Compiling trees v0.2.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling solana-vote-program v1.5.1
[INFO] [stderr]    Compiling solana-stake-program v1.5.1
[INFO] [stderr]    Compiling solana-runtime v1.5.1
[INFO] [stderr]    Compiling solana-version v1.5.1
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling solana-ledger v1.5.1
[INFO] [stderr]    Compiling solana-core v1.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling solana-rayon-threadlimit v1.5.1
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling core_affinity v0.5.10
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling lru v0.6.3
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling reed-solomon-erasure v4.0.2
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling derivative v2.1.3
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]    Compiling scroll_derive v0.10.4
[INFO] [stderr]    Compiling tarpc-plugins v0.8.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling enum-iterator-derive v0.6.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling globset v0.4.6
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling miow v0.2.2
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling const-random v0.1.13
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling solana-logger v1.5.1
[INFO] [stderr]    Compiling ouroboros_macro v0.5.1
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling async-stream v0.2.1
[INFO] [stderr]    Compiling scroll v0.10.2
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_yaml v0.8.14
[INFO] [stderr]    Compiling tower-discover v0.3.0
[INFO] [stderr]    Compiling tower-load-shed v0.3.0
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling enum-iterator v0.6.0
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling jsonrpc-core v15.1.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling solana-frozen-abi v1.5.1
[INFO] [stderr]    Compiling goblin v0.3.0
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling parity-ws v0.10.0
[INFO] [stderr]    Compiling dashmap v3.11.10
[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 -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"' -C metadata=34a129725a19bf02 -C extra-filename=-34a129725a19bf02 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-108bd40ae1ad0491.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-c94d86cf83cd625a.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3d4e94452878465a.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 `Command { std: "docker" "inspect" "0a61bc132c2af0528a4c9b1f506acfafdb46084455341a6b6173b2ceb53e134b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a61bc132c2af0528a4c9b1f506acfafdb46084455341a6b6173b2ceb53e134b", kill_on_drop: false }`
[INFO] [stdout] 0a61bc132c2af0528a4c9b1f506acfafdb46084455341a6b6173b2ceb53e134b