[INFO] fetching crate solana-validator 1.4.6...
[INFO] checking solana-validator-1.4.6 against beta for pr-78714
[INFO] extracting crate solana-validator 1.4.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate solana-validator 1.4.6 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate solana-validator 1.4.6
[INFO] finished tweaking crates.io crate solana-validator 1.4.6
[INFO] tweaked toml for crates.io crate solana-validator 1.4.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate solana-validator 1.4.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53318f3a048be07563a940b0dc6f8c08ffc9e2872851f392bd7982583ca780b0
[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" "53318f3a048be07563a940b0dc6f8c08ffc9e2872851f392bd7982583ca780b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53318f3a048be07563a940b0dc6f8c08ffc9e2872851f392bd7982583ca780b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53318f3a048be07563a940b0dc6f8c08ffc9e2872851f392bd7982583ca780b0", kill_on_drop: false }`
[INFO] [stdout] 53318f3a048be07563a940b0dc6f8c08ffc9e2872851f392bd7982583ca780b0
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84b11d934b472938ca83905aa2fbd2fd878428637a80b9a87151af1d07d4d009
[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" "84b11d934b472938ca83905aa2fbd2fd878428637a80b9a87151af1d07d4d009", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
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[INFO] [stderr]     Checking either v1.6.1
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[INFO] [stderr]    Compiling solana-frozen-abi-macro v1.4.6
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[INFO] [stderr]    Compiling solana-program v1.4.6
[INFO] [stderr]    Compiling solana-sdk v1.4.6
[INFO] [stderr]    Compiling solana-vote-program v1.4.6
[INFO] [stderr]    Compiling solana-stake-program v1.4.6
[INFO] [stderr]    Compiling solana-runtime v1.4.6
[INFO] [stderr]    Compiling solana-version v1.4.6
[INFO] [stderr]    Compiling solana-core v1.4.6
[INFO] [stderr]     Checking want v0.3.0
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[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling nom v5.1.2
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[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling solana-sdk-macro v1.4.6
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling scroll_derive v0.10.4
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling tarpc-plugins v0.8.0
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling enum-iterator-derive v0.6.0
[INFO] [stderr]     Checking syn v1.0.48
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
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[INFO] [stderr]    Compiling which v3.1.1
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[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking time-macros v0.1.1
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[INFO] [stderr]     Checking async-stream v0.2.1
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[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking env_logger v0.7.1
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[INFO] [stderr]    Compiling const-random-macro v0.1.11
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking prost v0.6.1
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[INFO] [stderr]     Checking tokio-buf v0.1.1
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[INFO] [stderr]     Checking solana-logger v1.4.6
[INFO] [stderr]     Checking once_cell v1.4.1
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[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]    Compiling ouroboros_macro v0.4.1
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tower-discover v0.3.0
[INFO] [stderr]     Checking tower-load-shed v0.3.0
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking const-random v0.1.11
[INFO] [stderr]     Checking prost-types v0.6.1
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling zstd-sys v1.4.17+zstd.1.4.5
[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 --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=fce9ef602f1f9177 -C extra-filename=-fce9ef602f1f9177 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8bf9df4ff03d084d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6c30f9b104efe8b4.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-de12218e15042935.rmeta --cap-lints allow --cap-lints=forbid --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" "84b11d934b472938ca83905aa2fbd2fd878428637a80b9a87151af1d07d4d009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84b11d934b472938ca83905aa2fbd2fd878428637a80b9a87151af1d07d4d009", kill_on_drop: false }`
[INFO] [stdout] 84b11d934b472938ca83905aa2fbd2fd878428637a80b9a87151af1d07d4d009