[INFO] cloning repository https://github.com/wischli/substrate-blockchain-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wischli/substrate-blockchain-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwischli%2Fsubstrate-blockchain-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwischli%2Fsubstrate-blockchain-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62e5ff151acc12b8065edcdc00d7cc742fd076e5
[INFO] documenting wischli/substrate-blockchain-test against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwischli%2Fsubstrate-blockchain-test" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/wischli/substrate-blockchain-test on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wischli/substrate-blockchain-test
[INFO] finished tweaking git repo https://github.com/wischli/substrate-blockchain-test
[INFO] tweaked toml for git repo https://github.com/wischli/substrate-blockchain-test written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/wischli/substrate-blockchain-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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] 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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d10bcf93e0547b7884a46a951be353b1ae14efe526d933bb92e60d78038c62c4
[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" "d10bcf93e0547b7884a46a951be353b1ae14efe526d933bb92e60d78038c62c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d10bcf93e0547b7884a46a951be353b1ae14efe526d933bb92e60d78038c62c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d10bcf93e0547b7884a46a951be353b1ae14efe526d933bb92e60d78038c62c4", kill_on_drop: false }`
[INFO] [stdout] d10bcf93e0547b7884a46a951be353b1ae14efe526d933bb92e60d78038c62c4
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12546bda021d3f6b8c14e08bc2551e43e1832a6b390bfbfbd1b497b5fc69c672
[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" "12546bda021d3f6b8c14e08bc2551e43e1832a6b390bfbfbd1b497b5fc69c672", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling subtle v2.1.1
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.2
[INFO] [stderr]     Checking rustc-hex v2.0.1
[INFO] [stderr]     Checking hash-db v0.12.4
[INFO] [stderr]     Checking hashmap_core v0.1.10
[INFO] [stderr]    Compiling protobuf v2.8.0
[INFO] [stderr]     Checking bs58 v0.2.2
[INFO] [stderr]     Checking zeroize v0.5.2
[INFO] [stderr]     Checking environmental v1.0.1
[INFO] [stderr]     Checking integer-sqrt v0.1.2
[INFO] [stderr]    Compiling constant_time_eq v0.1.3
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking static_slice v0.0.3
[INFO] [stderr]     Checking nohash-hasher v0.1.1
[INFO] [stderr]     Checking quick-error v0.1.4
[INFO] [stderr]     Checking strum v0.14.0
[INFO] [stderr]     Checking parity-bytes v0.1.0 (https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d#b0317f64)
[INFO] [stderr]    Compiling bindgen v0.47.3
[INFO] [stderr]    Compiling sysinfo v0.8.6
[INFO] [stderr]     Checking target_info v0.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking trie-root v0.12.4
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking crunchy v0.1.6
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking fs-swap v0.2.4
[INFO] [stderr]     Checking fdlimit v0.1.1
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling sr-std v1.0.0 (https://github.com/paritytech/substrate.git?rev=fc206f3a009b64fc746202e5b4c701bf7e24d1f1#fc206f3a)
[INFO] [stderr]    Compiling sr-io v1.0.0 (https://github.com/paritytech/substrate.git?rev=fc206f3a009b64fc746202e5b4c701bf7e24d1f1#fc206f3a)
[INFO] [stderr]    Compiling snow v0.5.2
[INFO] [stderr]    Compiling safe-mix v1.0.0
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking bstr v0.2.6
[INFO] [stderr]     Checking elastic-array v0.10.2
[INFO] [stderr]     Checking hash256-std-hasher v0.12.4
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking stream-cipher v0.3.0
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling proc-macro-hack v0.4.2
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]     Checking cuckoofilter v0.3.2
[INFO] [stderr]     Checking names v0.11.0
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking kvdb v0.1.0 (https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d#b0317f64)
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling asn1_der_derive v0.1.1
[INFO] [stderr]    Compiling strum_macros v0.14.0
[INFO] [stderr]    Compiling libp2p-core-derive v0.7.0
[INFO] [stderr]    Compiling srml-support-procedural-tools-derive v1.0.0 (https://github.com/paritytech/substrate.git?rev=fc206f3a009b64fc746202e5b4c701bf7e24d1f1#fc206f3a)
[INFO] [stderr]    Compiling proc-macro-hack v0.5.8
[INFO] [stderr]    Compiling jsonrpc-derive v10.1.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr] error: could not compile `clap`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name clap /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.32.0/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="ansi_term"' --cfg 'feature="atty"' --cfg 'feature="color"' --cfg 'feature="default"' --cfg 'feature="strsim"' --cfg 'feature="suggestions"' --cfg 'feature="vec_map"' -C metadata=febf16a3e3c38f2b -C extra-filename=-febf16a3e3c38f2b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-e2a35aae900e64a8.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-7890b1de75361775.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-dfde700d87e32fc1.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-89cc50f5673548d5.rmeta --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-f8cf0b2be28af1fd.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-bb9dbf93966263f4.rmeta --extern vec_map=/opt/rustwide/target/debug/deps/libvec_map-61023bbc11b5c191.rmeta --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" "12546bda021d3f6b8c14e08bc2551e43e1832a6b390bfbfbd1b497b5fc69c672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12546bda021d3f6b8c14e08bc2551e43e1832a6b390bfbfbd1b497b5fc69c672", kill_on_drop: false }`
[INFO] [stdout] 12546bda021d3f6b8c14e08bc2551e43e1832a6b390bfbfbd1b497b5fc69c672
