[INFO] cloning repository https://github.com/async-graphql/graphgate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/async-graphql/graphgate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasync-graphql%2Fgraphgate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasync-graphql%2Fgraphgate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96625e85440736587351f383c5b2df3c710dfc4b
[INFO] testing async-graphql/graphgate against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasync-graphql%2Fgraphgate" "/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/async-graphql/graphgate 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 git repo https://github.com/async-graphql/graphgate
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/async-graphql/graphgate
[INFO] tweaked toml for git repo https://github.com/async-graphql/graphgate written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/async-graphql/graphgate 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] 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" "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] 9217c3ad97f7f50da5f48564cd19d004253d2206fcb7b8b2082aff4d482a1da1
[INFO] running `Command { std: "docker" "start" "-a" "9217c3ad97f7f50da5f48564cd19d004253d2206fcb7b8b2082aff4d482a1da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9217c3ad97f7f50da5f48564cd19d004253d2206fcb7b8b2082aff4d482a1da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9217c3ad97f7f50da5f48564cd19d004253d2206fcb7b8b2082aff4d482a1da1", kill_on_drop: false }`
[INFO] [stdout] 9217c3ad97f7f50da5f48564cd19d004253d2206fcb7b8b2082aff4d482a1da1
[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=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] [stdout] a3dc77ae82fcf74e21d37e29b26c2b5a1432c3b8e9e263c13d7e0897ff1bb0cc
[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" "a3dc77ae82fcf74e21d37e29b26c2b5a1432c3b8e9e263c13d7e0897ff1bb0cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.1
[INFO] [stderr]    Compiling protobuf v2.22.1
[INFO] [stderr]    Compiling prometheus v0.12.0
[INFO] [stderr]    Compiling k8s-openapi v0.11.0
[INFO] [stderr]    Compiling integer-encoding v1.1.7
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling array_tool v1.0.3
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]    Compiling darling_core v0.12.2
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling sha-1 v0.9.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling pem v0.8.3
[INFO] [stderr]    Compiling alloc-stdlib v0.2.1
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling brotli-decompressor v2.3.1
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.9
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr] error: could not compile `darling_core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name darling_core /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/darling_core-0.12.2/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="strsim"' --cfg 'feature="suggestions"' -C metadata=4fcc9b936710a5e6 -C extra-filename=-4fcc9b936710a5e6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-d1dc8bedb5ffcb44.rmeta --extern ident_case=/opt/rustwide/target/debug/deps/libident_case-35b381ce878ee704.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-17858077ac902bf7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-d4f08be725787417.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-667ba7dafe3f3769.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-e8b1235dbc712822.rmeta --cap-lints allow --cap-lints=warn` (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" "a3dc77ae82fcf74e21d37e29b26c2b5a1432c3b8e9e263c13d7e0897ff1bb0cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3dc77ae82fcf74e21d37e29b26c2b5a1432c3b8e9e263c13d7e0897ff1bb0cc", kill_on_drop: false }`
[INFO] [stdout] a3dc77ae82fcf74e21d37e29b26c2b5a1432c3b8e9e263c13d7e0897ff1bb0cc