[INFO] fetching crate holochain_core 0.0.51-alpha1...
[INFO] documenting holochain_core-0.0.51-alpha1 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate holochain_core 0.0.51-alpha1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate holochain_core 0.0.51-alpha1 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate holochain_core 0.0.51-alpha1
[INFO] finished tweaking crates.io crate holochain_core 0.0.51-alpha1
[INFO] tweaked toml for crates.io crate holochain_core 0.0.51-alpha1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6045815f67146ae90a401faf0ba68d41fcacb252c044d24e7c226d1a276728a
[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" "e6045815f67146ae90a401faf0ba68d41fcacb252c044d24e7c226d1a276728a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6045815f67146ae90a401faf0ba68d41fcacb252c044d24e7c226d1a276728a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6045815f67146ae90a401faf0ba68d41fcacb252c044d24e7c226d1a276728a", kill_on_drop: false }`
[INFO] [stdout] e6045815f67146ae90a401faf0ba68d41fcacb252c044d24e7c226d1a276728a
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fa44e5ff086b9515bbee639dd69505b70383c11d142d049c8e6efcc84647f6d
[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" "8fa44e5ff086b9515bbee639dd69505b70383c11d142d049c8e6efcc84647f6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.2
[INFO] [stderr]    Compiling fnv v1.0.7
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[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling unwrap v1.2.1
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[INFO] [stderr]    Compiling cranelift-codegen-shared v0.52.0
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[INFO] [stderr]     Checking shlex v0.1.1
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[INFO] [stderr]     Checking normalize-line-endings v0.2.2
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[INFO] [stderr]    Compiling indexmap v1.5.2
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[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]     Checking sharded-slab v0.0.8
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling im v14.0.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.52.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking vte v0.3.3
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[INFO] [stderr]    Compiling maybe-uninit v2.0.0
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[INFO] [stderr]    Compiling proc-macro-hack v0.4.2
[INFO] [stderr]     Checking rand_isaac v0.1.1
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[INFO] [stderr]     Checking rand_xorshift v0.1.1
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[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling rusoto_core v0.40.0
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.0
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling mashup-impl v0.1.12
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking capnp v0.10.0
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking num-traits v0.1.43
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[INFO] [stderr]     Checking streaming-stats v0.2.2
[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]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling shrinkwraprs v0.2.1
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[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking backtrace-sys v0.1.37
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
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[INFO] [stderr]     Checking errno v0.2.6
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.12
[INFO] [stderr]    Compiling flate2 v1.0.17
[INFO] [stderr]    Compiling wasmer-runtime-core v0.13.1
[INFO] [stderr]     Checking mashup v0.1.12
[INFO] [stderr]     Checking rmp v0.8.7
[INFO] [stderr]     Checking hmac v0.5.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking sized-chunks v0.5.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking wasmi v0.4.4
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking backtrace v0.3.27
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking holochain_common v0.0.51-alpha1
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]     Checking nanoid v0.2.0
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]     Checking predicates v1.0.1
[INFO] [stderr] error: could not compile `protobuf`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name protobuf /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protobuf-2.14.0/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 -C metadata=c0a55a8312d6684b -C extra-filename=-c0a55a8312d6684b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (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" "8fa44e5ff086b9515bbee639dd69505b70383c11d142d049c8e6efcc84647f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fa44e5ff086b9515bbee639dd69505b70383c11d142d049c8e6efcc84647f6d", kill_on_drop: false }`
[INFO] [stdout] 8fa44e5ff086b9515bbee639dd69505b70383c11d142d049c8e6efcc84647f6d