[INFO] updating cached repository https://github.com/garious/solana-hello-rpc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2e1aaea54cbd1c383dcfa9bc74dbf5365281eb5
[INFO] checking garious/solana-hello-rpc against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarious%2Fsolana-hello-rpc" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/garious/solana-hello-rpc on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/garious/solana-hello-rpc
[INFO] finished tweaking git repo https://github.com/garious/solana-hello-rpc
[INFO] tweaked toml for git repo https://github.com/garious/solana-hello-rpc written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/garious/solana-hello-rpc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--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-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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "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] e6144f171816c067da5326b9eaab5817634db1387d8d403decc8411ef7023f4c
[INFO] running `Command { std: "docker" "start" "-a" "e6144f171816c067da5326b9eaab5817634db1387d8d403decc8411ef7023f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6144f171816c067da5326b9eaab5817634db1387d8d403decc8411ef7023f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6144f171816c067da5326b9eaab5817634db1387d8d403decc8411ef7023f4c", kill_on_drop: false }`
[INFO] [stdout] e6144f171816c067da5326b9eaab5817634db1387d8d403decc8411ef7023f4c
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48e89254549873725a9bb81d5cf96ecc68247f2faa3ab5616a341cc0cdfa2352
[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" "48e89254549873725a9bb81d5cf96ecc68247f2faa3ab5616a341cc0cdfa2352", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
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[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking thread_local v1.0.1
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[INFO] [stderr]     Checking rand_os v0.1.3
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[INFO] [stderr]     Checking users v0.10.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
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[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking solana-rayon-threadlimit v1.2.0 (https://github.com/solana-labs/solana?rev=efb4988d108fa2f52c35d671a177d3b18db6c495#efb4988d)
[INFO] [stderr]     Checking futures-cpupool v0.1.8
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[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking cc v1.0.49
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking sha2 v0.7.1
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[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking env_logger v0.7.1
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[INFO] [stderr]     Checking console v0.10.3
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking console v0.11.2
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
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[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[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 -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=ff39c6b2a0bb168b -C extra-filename=-ff39c6b2a0bb168b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8f5127d3b79dbf84.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-dbccb4b92c5e0bf6.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-b99289dd4881e0db.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` (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" "48e89254549873725a9bb81d5cf96ecc68247f2faa3ab5616a341cc0cdfa2352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e89254549873725a9bb81d5cf96ecc68247f2faa3ab5616a341cc0cdfa2352", kill_on_drop: false }`
[INFO] [stdout] 48e89254549873725a9bb81d5cf96ecc68247f2faa3ab5616a341cc0cdfa2352