[INFO] cloning repository https://github.com/enfipy/substrate-offchain-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/enfipy/substrate-offchain-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenfipy%2Fsubstrate-offchain-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenfipy%2Fsubstrate-offchain-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57118dabce3dbfefc902a0ff5f0d509c3f53e5a4
[INFO] documenting enfipy/substrate-offchain-example against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenfipy%2Fsubstrate-offchain-example" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/enfipy/substrate-offchain-example on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/enfipy/substrate-offchain-example
[INFO] removed workspace from git repo https://github.com/enfipy/substrate-offchain-example
[INFO] removed path dependency runtime from git repo https://github.com/enfipy/substrate-offchain-example
[INFO] finished tweaking git repo https://github.com/enfipy/substrate-offchain-example
[INFO] tweaked toml for git repo https://github.com/enfipy/substrate-offchain-example written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/enfipy/substrate-offchain-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (runtime) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/substrate.git`
[INFO] [stderr] error: the lock file /workspace/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/substrate.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (runtime) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c_linked_list v1.1.1
[INFO] [stderr]   Downloaded slog-json v2.3.0
[INFO] [stderr]   Downloaded jsonrpc-server-utils v14.2.0
[INFO] [stderr]   Downloaded bindgen v0.54.0
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[INFO] [stderr]   Downloaded strum v0.16.0
[INFO] [stderr]   Downloaded protobuf v2.8.1
[INFO] [stderr]   Downloaded impl-serde v0.3.1
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[INFO] [stderr]   Downloaded trie-db v0.16.0
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[INFO] [stderr]   Downloaded jsonrpc-core v14.2.0
[INFO] [stderr]   Downloaded linked_hash_set v0.1.4
[INFO] [stderr]   Downloaded jsonrpc-pubsub v14.2.0
[INFO] [stderr]   Downloaded romio v0.3.0-alpha.10
[INFO] [stderr]   Downloaded parity-multiaddr v0.5.0
[INFO] [stderr]   Downloaded hex-literal-impl v0.2.2
[INFO] [stderr]   Downloaded dns-parser v0.8.0
[INFO] [stderr]   Downloaded clear_on_drop v0.2.4
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[INFO] [stderr]   Downloaded signature v1.2.2
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[INFO] [stderr]   Downloaded runtime-native v0.3.0-alpha.6
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[INFO] [stderr]   Downloaded jsonrpc-derive v14.2.2
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[INFO] [stderr]   Downloaded runtime-attributes v0.3.0-alpha.6
[INFO] [stderr]   Downloaded runtime-raw v0.3.0-alpha.5
[INFO] [stderr]   Downloaded interleaved-ordered v0.1.1
[INFO] [stderr]   Downloaded app_dirs v1.2.1
[INFO] [stderr]   Downloaded parity-multihash v0.1.3
[INFO] [stderr]   Downloaded jsonrpc-client-transports v14.2.1
[INFO] [stderr]   Downloaded slog_derive v0.2.0
[INFO] [stderr]   Downloaded get_if_addrs-sys v0.1.1
[INFO] [stderr]   Downloaded rpassword v4.0.5
[INFO] [stderr]   Downloaded nohash-hasher v0.1.3
[INFO] [stderr]   Downloaded unsigned-varint v0.3.3
[INFO] [stderr]   Downloaded bitvec v0.17.4
[INFO] [stderr]   Downloaded snow v0.6.2
[INFO] [stderr]   Downloaded x25519-dalek v0.5.2
[INFO] [stderr]   Downloaded jsonrpc-ws-server v14.2.0
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[INFO] [stderr]   Downloaded librocksdb-sys v6.11.4
[INFO] [stderr]   Downloaded kvdb v0.1.1
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[INFO] [stderr]   Downloaded futures-timer v0.4.0
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[INFO] [stderr]   Downloaded libp2p-secio v0.13.1
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[INFO] [stderr]   Downloaded libp2p-noise v0.11.1
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[INFO] [stderr]   Downloaded multistream-select v0.6.1
[INFO] [stderr]   Downloaded libp2p-websocket v0.13.0
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[INFO] [stderr]   Downloaded parity-multiaddr v0.6.0
[INFO] [stderr]   Downloaded rw-stream-sink v0.1.2
[INFO] [stderr]   Downloaded libp2p-yamux v0.13.0
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[INFO] [stderr]   Downloaded libp2p-mdns v0.13.1
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[INFO] [stderr]   Downloaded environmental v1.1.1
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[INFO] [stderr]   Downloaded rocksdb v0.13.0
[INFO] [stderr]   Downloaded parity-send-wrapper v0.1.0
[INFO] [stderr]   Downloaded aes-ctr v0.3.0
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[INFO] [stderr]   Downloaded parity-scale-codec v1.3.4
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[INFO] [stderr]   Downloaded fs-swap v0.2.4
[INFO] [stderr]   Downloaded cuckoofilter v0.3.2
[INFO] [stderr]   Downloaded bs58 v0.3.1
[INFO] [stderr]   Downloaded uint v0.8.5
[INFO] [stderr]   Downloaded tiny-keccak v2.0.2
[INFO] [stderr]   Downloaded get_if_addrs v0.5.3
[INFO] [stderr]   Downloaded blake2 v0.8.1
[INFO] [stderr]   Downloaded sha3 v0.8.2
[INFO] [stderr]   Downloaded ed25519 v1.0.1
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.0
[INFO] [stderr]   Downloaded parity-scale-codec-derive v1.2.1
[INFO] [stderr]   Downloaded libp2p-core v0.13.2
[INFO] [stderr]   Downloaded stream-cipher v0.3.2
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 524cd1f89d19cca0b7d7c356778a7e8052d08162e04999b35c3eb4964a1ab0f0
[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" "524cd1f89d19cca0b7d7c356778a7e8052d08162e04999b35c3eb4964a1ab0f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "524cd1f89d19cca0b7d7c356778a7e8052d08162e04999b35c3eb4964a1ab0f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "524cd1f89d19cca0b7d7c356778a7e8052d08162e04999b35c3eb4964a1ab0f0", kill_on_drop: false }`
[INFO] [stdout] 524cd1f89d19cca0b7d7c356778a7e8052d08162e04999b35c3eb4964a1ab0f0
[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" "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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cf42ac038a6717808f26e4dafd692c9b2c6988213c44664ca0260aa64732e17
[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" "2cf42ac038a6717808f26e4dafd692c9b2c6988213c44664ca0260aa64732e17", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: dependency (runtime) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking sp-std v2.0.0 (https://github.com/paritytech/substrate.git?rev=e267d210178e646996dffafb6cd0c8b9d4a4b87f#e267d210)
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking nohash-hasher v0.1.3
[INFO] [stderr]     Checking parity-bytes v0.1.2
[INFO] [stderr]     Checking interleaved-ordered v0.1.1
[INFO] [stderr]    Compiling sysinfo v0.9.6
[INFO] [stderr]     Checking async-datagram v3.0.0
[INFO] [stderr]     Checking bs58 v0.2.5
[INFO] [stderr]    Compiling sc-consensus-slots v0.8.0 (https://github.com/paritytech/substrate.git?rev=e267d210178e646996dffafb6cd0c8b9d4a4b87f#e267d210)
[INFO] [stderr]    Compiling names v0.11.0
[INFO] [stderr]     Checking async-ready v3.0.0
[INFO] [stderr]     Checking target_info v0.1.0
[INFO] [stderr]    Compiling substrate-build-script-utils v2.0.0 (https://github.com/paritytech/substrate.git?rev=e267d210178e646996dffafb6cd0c8b9d4a4b87f#e267d210)
[INFO] [stderr]     Checking tracing-core v0.1.15
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking trie-root v0.15.2
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling snow v0.6.2
[INFO] [stderr]     Checking want v0.2.0
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[INFO] [stderr]     Checking futures-lite v0.1.11
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[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking tiny-keccak v2.0.2
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]     Checking elastic-array v0.10.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking sp-panic-handler v2.0.0 (https://github.com/paritytech/substrate.git?rev=e267d210178e646996dffafb6cd0c8b9d4a4b87f#e267d210)
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling cc v1.0.59
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[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking hex-literal v0.2.1
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[INFO] [stderr]     Checking env_logger v0.7.1
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[INFO] [stderr]     Checking kvdb-memorydb v0.1.2
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[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking rw-stream-sink v0.1.2
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[INFO] [stderr]     Checking tokio-util v0.3.1
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[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling libz-sys v1.1.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking trie-db v0.16.0
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]     Checking futures-timer v0.4.0
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
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[INFO] [stderr]     Checking tokio v0.1.22
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[INFO] [stderr]     Checking once_cell v0.1.8
[INFO] [stderr]     Checking tokio-dns-unofficial v0.4.0
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling curve25519-dalek v1.2.4
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.6
[INFO] [stderr]     Checking romio v0.3.0-alpha.10
[INFO] [stderr]     Checking futures-timer v0.3.0
[INFO] [stderr]     Checking runtime-raw v0.3.0-alpha.5
[INFO] [stderr]     Checking juliex v0.3.0-alpha.8
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]    Compiling libp2p-core-derive v0.13.0
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]     Checking runtime-native v0.3.0-alpha.6
[INFO] [stderr]     Checking soketto v0.2.3
[INFO] [stderr]     Checking x25519-dalek v0.5.2
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking ct-logs v0.6.0
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[INFO] [stderr]     Checking webpki-roots v0.18.0
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[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tokio-rustls v0.10.3
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]     Checking hyper-rustls v0.17.1
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling sp-debug-derive v2.0.0 (https://github.com/paritytech/substrate.git?rev=e267d210178e646996dffafb6cd0c8b9d4a4b87f#e267d210)
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling malloc_size_of_derive v0.1.1
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling slog_derive v0.2.0
[INFO] [stderr] error: could not compile `bindgen`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bindgen --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bindgen-0.54.0/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="clap"' --cfg 'feature="default"' --cfg 'feature="env_logger"' --cfg 'feature="log"' --cfg 'feature="logging"' --cfg 'feature="runtime"' --cfg 'feature="which"' --cfg 'feature="which-rustfmt"' -C metadata=57e84378bc082d9f -C extra-filename=-57e84378bc082d9f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-ef3b499484556621.rmeta --extern cexpr=/opt/rustwide/target/debug/deps/libcexpr-64e2ae03cd9f4259.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-727e218cbe4629d5.rmeta --extern clang_sys=/opt/rustwide/target/debug/deps/libclang_sys-1e86b8db31aecc9d.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-de752ed8fc2fdcec.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-782c2aa255f9c48a.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-03dc560a77c5aa3e.rmeta --extern lazycell=/opt/rustwide/target/debug/deps/liblazycell-b9c5af3c39153e73.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-ed700cb7ca7951cf.rmeta --extern peeking_take_while=/opt/rustwide/target/debug/deps/libpeeking_take_while-9d1e3c2ea340e57f.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ad2196dec63953de.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-404f837e53c8371f.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-9d7cc8905e175b99.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-5737c06a2d9d1a61.rmeta --extern shlex=/opt/rustwide/target/debug/deps/libshlex-f74cb568bec45d09.rmeta --extern which=/opt/rustwide/target/debug/deps/libwhich-f6afad6f9325bd7e.rmeta --cap-lints allow -L native=/opt/rustwide/target/debug/build/libloading-1a2990dd8bdf1e21/out` (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" "2cf42ac038a6717808f26e4dafd692c9b2c6988213c44664ca0260aa64732e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cf42ac038a6717808f26e4dafd692c9b2c6988213c44664ca0260aa64732e17", kill_on_drop: false }`
[INFO] [stdout] 2cf42ac038a6717808f26e4dafd692c9b2c6988213c44664ca0260aa64732e17