[INFO] cloning repository https://github.com/williamwang1/mdao
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/williamwang1/mdao" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliamwang1%2Fmdao", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliamwang1%2Fmdao'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ebcfc102c7f3efd6cd1895c71ec02f6c023038f
[INFO] documenting williamwang1/mdao against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliamwang1%2Fmdao" "/workspace/builds/worker-35/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-35/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/williamwang1/mdao on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/williamwang1/mdao
[INFO] finished tweaking git repo https://github.com/williamwang1/mdao
[INFO] tweaked toml for git repo https://github.com/williamwang1/mdao written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate git repo https://github.com/williamwang1/mdao already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded parity-scale-codec v1.1.2
[INFO] [stderr]   Downloaded parity-scale-codec-derive v1.1.1
[INFO] [stderr]   Downloaded protobuf v2.8.1
[INFO] [stderr]   Downloaded memory-db v0.18.0
[INFO] [stderr]   Downloaded nohash-hasher v0.1.2
[INFO] [stderr]   Downloaded yamux v0.2.2
[INFO] [stderr]   Downloaded libp2p-wasm-ext v0.6.0
[INFO] [stderr]   Downloaded libp2p-uds v0.13.0
[INFO] [stderr]   Downloaded libp2p-websocket v0.13.0
[INFO] [stderr]   Downloaded libp2p-core v0.13.2
[INFO] [stderr]   Downloaded bindgen v0.49.4
[INFO] [stderr]   Downloaded async-task v1.1.1
[INFO] [stderr]   Downloaded jsonrpc-client-transports v14.0.5
[INFO] [stderr]   Downloaded lru v0.1.17
[INFO] [stderr]   Downloaded kvdb-rocksdb v0.3.0
[INFO] [stderr]   Downloaded once_cell v0.2.4
[INFO] [stderr]   Downloaded finality-grandpa v0.10.2
[INFO] [stderr]   Downloaded environmental v1.0.2
[INFO] [stderr]   Downloaded futures-timer v0.4.0
[INFO] [stderr]   Downloaded libsecp256k1 v0.3.4
[INFO] [stderr]   Downloaded libp2p-kad v0.13.2
[INFO] [stderr]   Downloaded libp2p-floodsub v0.13.1
[INFO] [stderr]   Downloaded libp2p-noise v0.11.1
[INFO] [stderr]   Downloaded libp2p-plaintext v0.13.1
[INFO] [stderr]   Downloaded tiny-keccak v2.0.1
[INFO] [stderr]   Downloaded libp2p-swarm v0.3.0
[INFO] [stderr]   Downloaded kvdb-memorydb v0.2.0
[INFO] [stderr]   Downloaded jsonrpc-core-client v14.0.5
[INFO] [stderr]   Downloaded libp2p-mdns v0.13.1
[INFO] [stderr]   Downloaded libp2p-ping v0.13.1
[INFO] [stderr]   Downloaded parity-multihash v0.2.0
[INFO] [stderr]   Downloaded libp2p-core-derive v0.13.0
[INFO] [stderr]   Downloaded libp2p-mplex v0.13.0
[INFO] [stderr]   Downloaded tracing-core v0.1.8
[INFO] [stderr]   Downloaded jsonrpc-pubsub v14.0.5
[INFO] [stderr]   Downloaded tracing v0.1.11
[INFO] [stderr]   Downloaded parity-bytes v0.1.1
[INFO] [stderr]   Downloaded kvdb v0.2.0
[INFO] [stderr]   Downloaded libp2p-deflate v0.5.0
[INFO] [stderr]   Downloaded libp2p-dns v0.13.0
[INFO] [stderr]   Downloaded libp2p-tcp v0.13.0
[INFO] [stderr]   Downloaded multistream-select v0.6.1
[INFO] [stderr]   Downloaded jsonrpc-http-server v14.0.5
[INFO] [stderr]   Downloaded libp2p-secio v0.13.1
[INFO] [stderr]   Downloaded libp2p-identify v0.13.2
[INFO] [stderr]   Downloaded jsonrpc-ws-server v14.0.5
[INFO] [stderr]   Downloaded trie-db v0.18.1
[INFO] [stderr]   Downloaded parity-multiaddr v0.6.0
[INFO] [stderr]   Downloaded unsigned-varint v0.2.3
[INFO] [stderr]   Downloaded libp2p-yamux v0.13.0
[INFO] [stderr]   Downloaded parity-util-mem v0.3.0
[INFO] [stderr]   Downloaded malloc_size_of_derive v0.1.1
[INFO] [stderr]   Downloaded libp2p v0.13.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2d348caa55b790b7a0e830e9b265f84d3484cd48b066d441f8428848b30f261
[INFO] running `Command { std: "docker" "start" "-a" "b2d348caa55b790b7a0e830e9b265f84d3484cd48b066d441f8428848b30f261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2d348caa55b790b7a0e830e9b265f84d3484cd48b066d441f8428848b30f261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2d348caa55b790b7a0e830e9b265f84d3484cd48b066d441f8428848b30f261", kill_on_drop: false }`
[INFO] [stdout] b2d348caa55b790b7a0e830e9b265f84d3484cd48b066d441f8428848b30f261
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74b0d934c8a8f5e44583aba4e9a2af2b9ef2e3b713f89dc5f8e9e26ca4cb702d
[INFO] running `Command { std: "docker" "start" "-a" "74b0d934c8a8f5e44583aba4e9a2af2b9ef2e3b713f89dc5f8e9e26ca4cb702d", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking subtle v2.2.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking rustc-hex v2.0.1
[INFO] [stderr]     Checking bitvec v0.15.2
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking sp-std v2.0.0 (https://github.com/paritytech/substrate.git?rev=3e651110aa06aa835790df63410a29676243fc54#3e651110)
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking environmental v1.0.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling tiny-keccak v2.0.1
[INFO] [stderr]     Checking constant_time_eq v0.1.4
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking integer-sqrt v0.1.2
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking bs58 v0.3.0
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.56
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.56
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking nohash-hasher v0.1.2
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking parity-send-wrapper v0.1.0
[INFO] [stderr]     Checking ipnet v2.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking parity-bytes v0.1.1
[INFO] [stderr]     Checking bitmask v0.5.0
[INFO] [stderr]     Checking once_cell v0.2.4
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bindgen v0.49.4
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]     Checking pin-project-lite v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr] error: could not compile `autocfg`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name autocfg /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/autocfg-0.1.7/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=021cc6925d515912 -C extra-filename=-021cc6925d515912 --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: could not compile `typenum`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_main /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/typenum-1.11.2/build/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=62567dc2bb29f4ec -C extra-filename=-62567dc2bb29f4ec --out-dir /opt/rustwide/target/debug/build/typenum-62567dc2bb29f4ec -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `bumpalo`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bumpalo --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bumpalo-2.6.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="collections"' --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=01862caf300fa28a -C extra-filename=-01862caf300fa28a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `futures`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name futures /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.29/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="use_std"' --cfg 'feature="with-deprecated"' -C metadata=132e82d51c48bdb9 -C extra-filename=-132e82d51c48bdb9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `byteorder`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/byteorder-1.3.2/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="i128"' --cfg 'feature="std"' -C metadata=8e6335aeb958d029 -C extra-filename=-8e6335aeb958d029 --out-dir /opt/rustwide/target/debug/build/byteorder-8e6335aeb958d029 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `arrayvec`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name arrayvec --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayvec-0.5.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="array-sizes-129-255"' --cfg 'feature="array-sizes-33-128"' --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=4b5795f8d619127b -C extra-filename=-4b5795f8d619127b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `bitvec`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bitvec --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bitvec-0.15.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="std"' -C metadata=5a67915c499ffc5a -C extra-filename=-5a67915c499ffc5a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.12/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=5dd271b1aafd82e3 -C extra-filename=-5dd271b1aafd82e3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `data-encoding`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name data_encoding --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/data-encoding-2.1.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=9393f49700b5e726 -C extra-filename=-9393f49700b5e726 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `bytes`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bytes --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.5.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=5850415654f21890 -C extra-filename=-5850415654f21890 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `pkg-config`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name pkg_config /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pkg-config-0.3.17/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=35a13bb7edd29996 -C extra-filename=-35a13bb7edd29996 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "74b0d934c8a8f5e44583aba4e9a2af2b9ef2e3b713f89dc5f8e9e26ca4cb702d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74b0d934c8a8f5e44583aba4e9a2af2b9ef2e3b713f89dc5f8e9e26ca4cb702d", kill_on_drop: false }`
[INFO] [stdout] 74b0d934c8a8f5e44583aba4e9a2af2b9ef2e3b713f89dc5f8e9e26ca4cb702d