[INFO] cloning repository https://github.com/kusamakitties/kusama-kitties
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kusamakitties/kusama-kitties" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkusamakitties%2Fkusama-kitties", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkusamakitties%2Fkusama-kitties'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa5537c2a6366b27927000dc9c7778e308ab813d
[INFO] documenting kusamakitties/kusama-kitties against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkusamakitties%2Fkusama-kitties" "/workspace/builds/worker-90/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-90/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kusamakitties/kusama-kitties on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kusamakitties/kusama-kitties
[INFO] finished tweaking git repo https://github.com/kusamakitties/kusama-kitties
[INFO] tweaked toml for git repo https://github.com/kusamakitties/kusama-kitties written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] crate git repo https://github.com/kusamakitties/kusama-kitties already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/rust-random/rand.git`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/parity-common`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/slog-async`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasmi-validation v0.2.0
[INFO] [stderr]   Downloaded substrate-bip39 v0.3.1
[INFO] [stderr]   Downloaded impl-codec v0.4.0
[INFO] [stderr]   Downloaded hashmap_core v0.1.11
[INFO] [stderr]   Downloaded elastic-array v0.10.2
[INFO] [stderr]   Downloaded substrate-wasm-builder-runner v1.0.3
[INFO] [stderr]   Downloaded app_dirs v1.2.1
[INFO] [stderr]   Downloaded prost-derive v0.5.0
[INFO] [stderr]   Downloaded prost v0.5.0
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[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.50
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[INFO] [stderr]   Downloaded jsonrpc-http-server v13.1.0
[INFO] [stderr]   Downloaded jsonrpc-core-client v13.1.0
[INFO] [stderr]   Downloaded interleaved-ordered v0.1.1
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[INFO] [stderr]   Downloaded jsonrpc-client-transports v13.1.0
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[INFO] [stderr]   Downloaded ws v0.9.0
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[INFO] [stderr]   Downloaded jsonrpc-server-utils v13.1.0
[INFO] [stderr]   Downloaded jsonrpc-ws-server v13.1.0
[INFO] [stderr]   Downloaded hyper v0.12.34
[INFO] [stderr]   Downloaded ctr v0.3.2
[INFO] [stderr]   Downloaded jsonrpc-pubsub v13.1.0
[INFO] [stderr]   Downloaded libp2p-uds v0.12.0
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[INFO] [stderr]   Downloaded slog_derive v0.1.1
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[INFO] [stderr]   Downloaded linked_hash_set v0.1.3
[INFO] [stderr]   Downloaded rw-stream-sink v0.1.2
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[INFO] [stderr]   Downloaded crypto-mac v0.4.0
[INFO] [stderr]   Downloaded jsonrpc-derive v13.1.0
[INFO] [stderr]   Downloaded target_info v0.1.0
[INFO] [stderr]   Downloaded jsonrpc-core v13.1.0
[INFO] [stderr]   Downloaded libp2p-deflate v0.4.0
[INFO] [stderr]   Downloaded bindgen v0.47.3
[INFO] [stderr]   Downloaded rustls v0.15.2
[INFO] [stderr]   Downloaded hex-literal v0.2.1
[INFO] [stderr]   Downloaded futures-timer v0.2.1
[INFO] [stderr]   Downloaded libsecp256k1 v0.2.2
[INFO] [stderr]   Downloaded libp2p-kad v0.12.0
[INFO] [stderr]   Downloaded libp2p-mplex v0.12.0
[INFO] [stderr]   Downloaded aesni v0.6.0
[INFO] [stderr]   Downloaded libp2p-mdns v0.12.0
[INFO] [stderr]   Downloaded aes-soft v0.3.3
[INFO] [stderr]   Downloaded bs58 v0.2.5
[INFO] [stderr]   Downloaded aio-limited v0.1.0
[INFO] [stderr]   Downloaded stream-cipher v0.3.2
[INFO] [stderr]   Downloaded malloc_size_of_derive v0.1.0
[INFO] [stderr]   Downloaded serde v1.0.100
[INFO] [stderr]   Downloaded libp2p-swarm v0.2.0
[INFO] [stderr]   Downloaded webpki v0.19.1
[INFO] [stderr]   Downloaded libp2p-dns v0.12.0
[INFO] [stderr]   Downloaded tokio-rustls v0.10.0-alpha.4
[INFO] [stderr]   Downloaded multistream-select v0.5.1
[INFO] [stderr]   Downloaded yamux v0.2.1
[INFO] [stderr]   Downloaded serde_derive v1.0.100
[INFO] [stderr]   Downloaded quick-error v0.1.4
[INFO] [stderr]   Downloaded libp2p-yamux v0.12.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.50
[INFO] [stderr]   Downloaded libp2p v0.12.0
[INFO] [stderr]   Downloaded asn1_der_derive v0.1.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.50
[INFO] [stderr]   Downloaded impl-serde v0.2.1
[INFO] [stderr]   Downloaded parity-multiaddr v0.5.0
[INFO] [stderr]   Downloaded wasmi v0.5.1
[INFO] [stderr]   Downloaded slog-scope v4.1.2
[INFO] [stderr]   Downloaded integer-sqrt v0.1.2
[INFO] [stderr]   Downloaded schnorrkel v0.8.5
[INFO] [stderr]   Downloaded hmac v0.4.2
[INFO] [stderr]   Downloaded x25519-dalek v0.5.2
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[INFO] [stderr]   Downloaded libp2p-tcp v0.12.0
[INFO] [stderr]   Downloaded soketto v0.2.3
[INFO] [stderr]   Downloaded parity-scale-codec v1.0.5
[INFO] [stderr]   Downloaded subtle v2.1.1
[INFO] [stderr]   Downloaded parity-util-mem v0.2.0
[INFO] [stderr]   Downloaded rpassword v3.0.2
[INFO] [stderr]   Downloaded sha2 v0.6.0
[INFO] [stderr]   Downloaded digest v0.6.2
[INFO] [stderr]   Downloaded memory-db v0.15.2
[INFO] [stderr]   Downloaded parity-scale-codec-derive v1.0.2
[INFO] [stderr]   Downloaded paste v0.1.6
[INFO] [stderr]   Downloaded wasm-timer v0.1.2
[INFO] [stderr]   Downloaded trie-db v0.15.2
[INFO] [stderr]   Downloaded snow v0.5.2
[INFO] [stderr]   Downloaded fixed-hash v0.4.0
[INFO] [stderr]   Downloaded asn1_der v0.6.2
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.0-pre.1
[INFO] [stderr]   Downloaded environmental v1.0.1
[INFO] [stderr]   Downloaded ipnet v2.0.0
[INFO] [stderr]   Downloaded byte-slice-cast v0.3.2
[INFO] [stderr]   Downloaded zeroize v0.9.3
[INFO] [stderr]   Downloaded parity-multihash v0.1.3
[INFO] [stderr]   Downloaded heapsize v0.4.2
[INFO] [stderr]   Downloaded protobuf v2.8.1
[INFO] [stderr]   Downloaded hashbrown v0.6.0
[INFO] [stderr]   Downloaded fdlimit v0.1.1
[INFO] [stderr]   Downloaded sysinfo v0.9.4
[INFO] [stderr]   Downloaded finality-grandpa v0.9.0
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.9
[INFO] [stderr]   Downloaded bitvec v0.14.0
[INFO] [stderr]   Downloaded toml v0.5.3
[INFO] [stderr]   Downloaded impl-serde v0.1.1
[INFO] [stderr]   Downloaded clear_on_drop v0.2.3
[INFO] [stderr]   Downloaded uint v0.8.1
[INFO] [stderr]   Downloaded prost-build v0.5.0
[INFO] [stderr]   Downloaded jobserver v0.1.17
[INFO] [stderr]   Downloaded parity-wasm v0.40.1
[INFO] [stderr]   Downloaded sha2 v0.8.0
[INFO] [stderr]   Downloaded curve25519-dalek v1.2.3
[INFO] [stderr]   Downloaded safe-mix v1.0.0
[INFO] [stderr]   Downloaded librocksdb-sys v5.18.3
[INFO] [stderr]   Downloaded multimap v0.4.0
[INFO] [stderr]   Downloaded primitive-types v0.5.0
[INFO] [stderr]   Downloaded rustc-hex v2.0.1
[INFO] [stderr]   Downloaded merlin v1.2.0
[INFO] [stderr]   Downloaded tiny-bip39 v0.6.2
[INFO] [stderr]   Downloaded trie-root v0.15.2
[INFO] [stderr]   Downloaded zeroize_derive v0.9.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38c7288cf43759079646667c55c37a93fc78363982edabfa889fc6d8a4891063
[INFO] running `Command { std: "docker" "start" "-a" "38c7288cf43759079646667c55c37a93fc78363982edabfa889fc6d8a4891063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38c7288cf43759079646667c55c37a93fc78363982edabfa889fc6d8a4891063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38c7288cf43759079646667c55c37a93fc78363982edabfa889fc6d8a4891063", kill_on_drop: false }`
[INFO] [stdout] 38c7288cf43759079646667c55c37a93fc78363982edabfa889fc6d8a4891063
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cfbf48b3655ba9199b531169fd4c470201c0e1732a836089ee23be075d9ea34
[INFO] running `Command { std: "docker" "start" "-a" "5cfbf48b3655ba9199b531169fd4c470201c0e1732a836089ee23be075d9ea34", 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]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling serde v1.0.100
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling subtle v2.1.1
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking constant_time_eq v0.1.4
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rustc-hex v2.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking byte-slice-cast v0.3.2
[INFO] [stderr]     Checking bitvec v0.14.0
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking parity-wasm v0.40.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]     Checking bs58 v0.2.5
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking environmental v1.0.1
[INFO] [stderr]     Checking integer-sqrt v0.1.2
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.50
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.50
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking quick-error v0.1.4
[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 nohash-hasher v0.1.1
[INFO] [stderr]     Checking static_slice v0.0.3
[INFO] [stderr]     Checking ipnet v2.0.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking parity-send-wrapper v0.1.0
[INFO] [stderr]     Checking parity-bytes v0.1.0 (https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d#b0317f64)
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking bitmask v0.5.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling bindgen v0.47.3
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking indexmap v1.1.0
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling sysinfo v0.9.4
[INFO] [stderr]     Checking interleaved-ordered v0.1.1
[INFO] [stderr]    Compiling names v0.11.0
[INFO] [stderr]    Compiling substrate-wasm-builder-runner v1.0.3
[INFO] [stderr]     Checking hashmap_core v0.1.11
[INFO] [stderr]     Checking target_info v0.1.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking linked_hash_set v0.1.3
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling sr-std v2.0.0 (https://github.com/paritytech/substrate.git#3bc7b0ba)
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling sr-io v2.0.0 (https://github.com/paritytech/substrate.git#3bc7b0ba)
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling snow v0.5.2
[INFO] [stderr]    Compiling safe-mix v1.0.0
[INFO] [stderr]    Compiling hyper v0.12.34
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking wasmi-validation v0.2.0
[INFO] [stderr]     Checking trie-root v0.15.2
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[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 --crate-type lib --emit=dep-info,metadata,link -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=3b0840db0afde07c -C extra-filename=-3b0840db0afde07c --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" "5cfbf48b3655ba9199b531169fd4c470201c0e1732a836089ee23be075d9ea34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cfbf48b3655ba9199b531169fd4c470201c0e1732a836089ee23be075d9ea34", kill_on_drop: false }`
[INFO] [stdout] 5cfbf48b3655ba9199b531169fd4c470201c0e1732a836089ee23be075d9ea34
