[INFO] cloning repository https://github.com/JoshOrndorff/tcr-substrate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JoshOrndorff/tcr-substrate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshOrndorff%2Ftcr-substrate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshOrndorff%2Ftcr-substrate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac17a53a596549aa71ef2696f16c5b26b53dd86e
[INFO] documenting JoshOrndorff/tcr-substrate 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%2FJoshOrndorff%2Ftcr-substrate" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JoshOrndorff/tcr-substrate 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/JoshOrndorff/tcr-substrate
[INFO] finished tweaking git repo https://github.com/JoshOrndorff/tcr-substrate
[INFO] tweaked toml for git repo https://github.com/JoshOrndorff/tcr-substrate written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/JoshOrndorff/tcr-substrate 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 trie-root v0.15.2
[INFO] [stderr]   Downloaded uint v0.8.2
[INFO] [stderr]   Downloaded parity-scale-codec-derive v1.1.1
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[INFO] [stderr]   Downloaded aho-corasick v0.7.9
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[INFO] [stderr]   Downloaded sysinfo v0.9.6
[INFO] [stderr]   Downloaded tracing-attributes v0.1.7
[INFO] [stderr]   Downloaded broadcaster v1.0.0
[INFO] [stderr]   Downloaded jsonrpc-ws-server v14.0.6
[INFO] [stderr]   Downloaded jsonrpc-core v14.0.5
[INFO] [stderr]   Downloaded jsonrpc-core-client v14.0.5
[INFO] [stderr]   Downloaded rocksdb v0.13.0
[INFO] [stderr]   Downloaded bs58 v0.2.5
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[INFO] [stderr]   Downloaded once_cell v0.2.4
[INFO] [stderr]   Downloaded ctrlc v3.1.4
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[INFO] [stderr]   Downloaded libp2p-tcp v0.13.0
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[INFO] [stderr]   Downloaded libp2p-websocket v0.13.0
[INFO] [stderr]   Downloaded libp2p-noise v0.11.1
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[INFO] [stderr]   Downloaded libp2p-deflate v0.5.0
[INFO] [stderr]   Downloaded tracing v0.1.13
[INFO] [stderr]   Downloaded clang-sys v0.28.1
[INFO] [stderr]   Downloaded tracing-core v0.1.10
[INFO] [stderr]   Downloaded curve25519-dalek v2.0.0
[INFO] [stderr]   Downloaded lru v0.1.17
[INFO] [stderr]   Downloaded parity-multiaddr v0.5.0
[INFO] [stderr]   Downloaded multistream-select v0.6.1
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[INFO] [stderr]   Downloaded jsonrpc-derive v14.0.5
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.9
[INFO] [stderr]   Downloaded hyper-rustls v0.17.1
[INFO] [stderr]   Downloaded hyper v0.13.2
[INFO] [stderr]   Downloaded js-sys v0.3.35
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[INFO] [stderr]   Downloaded web-sys v0.3.35
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[INFO] [stderr]   Downloaded tokio v0.2.12
[INFO] [stderr]   Downloaded snow v0.6.2
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[INFO] [stderr]   Downloaded primitive-types v0.6.2
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[INFO] [stderr]   Downloaded fixed-hash v0.5.2
[INFO] [stderr]   Downloaded jsonrpc-client-transports v14.0.5
[INFO] [stderr]   Downloaded libp2p-floodsub v0.13.1
[INFO] [stderr]   Downloaded soketto v0.2.3
[INFO] [stderr]   Downloaded unsigned-varint v0.2.3
[INFO] [stderr]   Downloaded parity-multiaddr v0.6.0
[INFO] [stderr]   Downloaded trie-db v0.18.1
[INFO] [stderr]   Downloaded kvdb-rocksdb v0.3.0
[INFO] [stderr]   Downloaded webpki-roots v0.17.0
[INFO] [stderr]   Downloaded jsonrpc-pubsub v14.0.6
[INFO] [stderr]   Downloaded async-task v1.3.1
[INFO] [stderr]   Downloaded hex-literal v0.2.1
[INFO] [stderr]   Downloaded libp2p-core v0.13.2
[INFO] [stderr]   Downloaded jsonrpc-http-server v14.0.6
[INFO] [stderr]   Downloaded futures-timer v0.4.0
[INFO] [stderr]   Downloaded libp2p-dns v0.13.0
[INFO] [stderr]   Downloaded libp2p-mdns v0.13.1
[INFO] [stderr]   Downloaded libp2p-mplex v0.13.0
[INFO] [stderr]   Downloaded libp2p-ping v0.13.1
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[INFO] [stderr]   Downloaded unsigned-varint v0.3.1
[INFO] [stderr]   Downloaded bitvec v0.15.2
[INFO] [stderr]   Downloaded impl-serde v0.3.0
[INFO] [stderr]   Downloaded substrate-bip39 v0.3.1
[INFO] [stderr]   Downloaded tiny-keccak v2.0.1
[INFO] [stderr]   Downloaded libp2p-wasm-ext v0.6.0
[INFO] [stderr]   Downloaded proc-macro-error v0.4.9
[INFO] [stderr]   Downloaded structopt v0.3.7
[INFO] [stderr]   Downloaded bindgen v0.53.1
[INFO] [stderr]   Downloaded fdlimit v0.1.2
[INFO] [stderr]   Downloaded kvdb-memorydb v0.2.0
[INFO] [stderr]   Downloaded cexpr v0.3.6
[INFO] [stderr]   Downloaded memory-db v0.18.1
[INFO] [stderr]   Downloaded jsonrpc-server-utils v14.0.5
[INFO] [stderr]   Downloaded async-std v1.5.0
[INFO] [stderr]   Downloaded kv-log-macro v1.0.4
[INFO] [stderr]   Downloaded hex-literal-impl v0.2.1
[INFO] [stderr]   Downloaded kvdb v0.2.0
[INFO] [stderr]   Downloaded bs58 v0.3.0
[INFO] [stderr]   Downloaded finality-grandpa v0.10.3
[INFO] [stderr]   Downloaded ring v0.16.11
[INFO] [stderr]   Downloaded ipnet v2.2.0
[INFO] [stderr]   Downloaded protobuf v2.8.1
[INFO] [stderr]   Downloaded librocksdb-sys v6.6.4
[INFO] [stderr]   Downloaded derive_more v0.99.3
[INFO] [stderr]   Downloaded parity-scale-codec v1.1.2
[INFO] [stderr]   Downloaded parity-util-mem v0.3.0
[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" "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] e93ff99df8cacf5185531cecd1abecf7f6c3174ccaabad471223c3850becbb47
[INFO] running `Command { std: "docker" "start" "-a" "e93ff99df8cacf5185531cecd1abecf7f6c3174ccaabad471223c3850becbb47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e93ff99df8cacf5185531cecd1abecf7f6c3174ccaabad471223c3850becbb47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e93ff99df8cacf5185531cecd1abecf7f6c3174ccaabad471223c3850becbb47", kill_on_drop: false }`
[INFO] [stdout] e93ff99df8cacf5185531cecd1abecf7f6c3174ccaabad471223c3850becbb47
[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" "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] d9eeebb7f4cf3d56e37c711925c1f8f734cb65b6ac530cf7d05efd8453072e4c
[INFO] running `Command { std: "docker" "start" "-a" "d9eeebb7f4cf3d56e37c711925c1f8f734cb65b6ac530cf7d05efd8453072e4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking subtle v2.2.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking bitvec v0.15.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking sp-std v2.0.0 (https://github.com/paritytech/substrate.git?rev=3e651110aa06aa835790df63410a29676243fc54#3e651110)
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking environmental v1.1.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling tiny-keccak v2.0.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking integer-sqrt v0.1.3
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]     Checking unsigned-varint v0.3.1
[INFO] [stderr]     Checking data-encoding v2.2.0
[INFO] [stderr]     Checking bs58 v0.3.0
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.58
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling bumpalo v3.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling wasm-bindgen v0.2.58
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking nohash-hasher v0.1.3
[INFO] [stderr]     Checking ipnet v2.2.0
[INFO] [stderr]     Checking parity-send-wrapper v0.1.0
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[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 take_mut v0.2.2
[INFO] [stderr]     Checking once_cell v0.2.4
[INFO] [stderr]     Checking bitmask v0.5.0
[INFO] [stderr]     Checking safe-mix v1.0.1
[INFO] [stderr]    Compiling version_check v0.1.5
[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] warning: build failed, waiting for other jobs to finish...
[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-1.3.4/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=44806c1af41e65db -C extra-filename=-44806c1af41e65db --out-dir /opt/rustwide/target/debug/build/byteorder-44806c1af41e65db -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `crunchy`
[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/crunchy-0.2.2/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="limit_128"' --cfg 'feature="std"' -C metadata=073cf667f8fd104f -C extra-filename=-073cf667f8fd104f --out-dir /opt/rustwide/target/debug/build/crunchy-073cf667f8fd104f -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `proc-macro2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-1.0.9/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="proc-macro"' -C metadata=82567eef89278ba2 -C extra-filename=-82567eef89278ba2 --out-dir /opt/rustwide/target/debug/build/proc-macro2-82567eef89278ba2 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `httparse`
[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/httparse-1.3.4/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="std"' -C metadata=174f4085731dace4 -C extra-filename=-174f4085731dace4 --out-dir /opt/rustwide/target/debug/build/httparse-174f4085731dace4 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `proc-macro2`
[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/proc-macro2-0.4.30/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="proc-macro"' -C metadata=ef10fa8e2e485870 -C extra-filename=-ef10fa8e2e485870 --out-dir /opt/rustwide/target/debug/build/proc-macro2-ef10fa8e2e485870 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `libc`
[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/libc-0.2.67/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="extra_traits"' --cfg 'feature="std"' -C metadata=48c41142f9145d39 -C extra-filename=-48c41142f9145d39 --out-dir /opt/rustwide/target/debug/build/libc-48c41142f9145d39 -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 build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayvec-0.4.12/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 -C metadata=6648e44d860df092 -C extra-filename=-6648e44d860df092 --out-dir /opt/rustwide/target/debug/build/arrayvec-6648e44d860df092 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `protobuf`
[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/protobuf-2.8.1/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 -C metadata=9b5ba16ef2657ae4 -C extra-filename=-9b5ba16ef2657ae4 --out-dir /opt/rustwide/target/debug/build/protobuf-9b5ba16ef2657ae4 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `syn`
[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/syn-0.15.44/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="clone-impls"' --cfg 'feature="derive"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=4ae2c83f3e9efe13 -C extra-filename=-4ae2c83f3e9efe13 --out-dir /opt/rustwide/target/debug/build/syn-4ae2c83f3e9efe13 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `proc-macro-nested`
[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/proc-macro-nested-0.1.3/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 -C metadata=391658933730fdd8 -C extra-filename=-391658933730fdd8 --out-dir /opt/rustwide/target/debug/build/proc-macro-nested-391658933730fdd8 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `ryu`
[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/ryu-1.0.2/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 -C metadata=cc5bd20f18758df7 -C extra-filename=-cc5bd20f18758df7 --out-dir /opt/rustwide/target/debug/build/ryu-cc5bd20f18758df7 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `serde`
[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/serde-1.0.104/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="derive"' --cfg 'feature="serde_derive"' --cfg 'feature="std"' -C metadata=982e31466eb4de54 -C extra-filename=-982e31466eb4de54 --out-dir /opt/rustwide/target/debug/build/serde-982e31466eb4de54 -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-0.6.14/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=950693d91d06892a -C extra-filename=-950693d91d06892a --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" "d9eeebb7f4cf3d56e37c711925c1f8f734cb65b6ac530cf7d05efd8453072e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9eeebb7f4cf3d56e37c711925c1f8f734cb65b6ac530cf7d05efd8453072e4c", kill_on_drop: false }`
[INFO] [stdout] d9eeebb7f4cf3d56e37c711925c1f8f734cb65b6ac530cf7d05efd8453072e4c