[INFO] cloning repository https://github.com/JackLin00/substrate_lesson7
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JackLin00/substrate_lesson7" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackLin00%2Fsubstrate_lesson7", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackLin00%2Fsubstrate_lesson7'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7f76047dd294c3b428784c691a11bbd6a3a4ce9
[INFO] documenting JackLin00/substrate_lesson7 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%2FJackLin00%2Fsubstrate_lesson7" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JackLin00/substrate_lesson7 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/JackLin00/substrate_lesson7
[INFO] finished tweaking git repo https://github.com/JackLin00/substrate_lesson7
[INFO] tweaked toml for git repo https://github.com/JackLin00/substrate_lesson7 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/JackLin00/substrate_lesson7 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libp2p-yamux v0.20.0
[INFO] [stderr]   Downloaded libp2p-identify v0.20.0
[INFO] [stderr]   Downloaded libp2p-noise v0.21.0
[INFO] [stderr]   Downloaded kvdb-rocksdb v0.9.0
[INFO] [stderr]   Downloaded sysinfo v0.14.15
[INFO] [stderr]   Downloaded libp2p-core-derive v0.20.1
[INFO] [stderr]   Downloaded libp2p-kad v0.21.0
[INFO] [stderr]   Downloaded substrate-wasmtime v0.19.0
[INFO] [stderr]   Downloaded libp2p-dns v0.20.0
[INFO] [stderr]   Downloaded libp2p-mdns v0.20.0
[INFO] [stderr]   Downloaded libp2p-core v0.20.1
[INFO] [stderr]   Downloaded libp2p-mplex v0.20.0
[INFO] [stderr]   Downloaded libp2p-websocket v0.21.1
[INFO] [stderr]   Downloaded libp2p-swarm v0.20.1
[INFO] [stderr]   Downloaded libp2p-ping v0.20.0
[INFO] [stderr]   Downloaded libp2p-tcp v0.20.0
[INFO] [stderr]   Downloaded libp2p-wasm-ext v0.20.1
[INFO] [stderr]   Downloaded libp2p v0.22.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 8b7217347a2e1011c0ae2df55f59b64f8f47ab8472153089966fa0cef7420593
[INFO] running `Command { std: "docker" "start" "-a" "8b7217347a2e1011c0ae2df55f59b64f8f47ab8472153089966fa0cef7420593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b7217347a2e1011c0ae2df55f59b64f8f47ab8472153089966fa0cef7420593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b7217347a2e1011c0ae2df55f59b64f8f47ab8472153089966fa0cef7420593", kill_on_drop: false }`
[INFO] [stdout] 8b7217347a2e1011c0ae2df55f59b64f8f47ab8472153089966fa0cef7420593
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] d06f1ae4cce91174b8cdff26c1644d965f584ef849567566e2bb7a9969658b6a
[INFO] running `Command { std: "docker" "start" "-a" "d06f1ae4cce91174b8cdff26c1644d965f584ef849567566e2bb7a9969658b6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking signature v1.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling parity-util-mem v0.7.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking sp-std v2.0.0-rc5 (https://github.com/paritytech/substrate.git?tag=v2.0.0-rc5#e00d78cb)
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking environmental v1.1.1
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking integer-sqrt v0.1.3
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.65
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling wasm-bindgen v0.2.65
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking unsigned-varint v0.3.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking data-encoding v2.2.1
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking fastrand v1.3.3
[INFO] [stderr]     Checking event-listener v2.2.1
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.66.0
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling protobuf v2.16.2
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]    Compiling prometheus v0.8.0
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking parity-send-wrapper v0.1.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling wasmtime-environ v0.19.0
[INFO] [stderr]     Checking wasmparser v0.59.0
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking bitmask v0.5.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling strsim v0.8.0
[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 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.36/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=f09aeb6bd797106f -C extra-filename=-f09aeb6bd797106f --out-dir /opt/rustwide/target/debug/build/syn-f09aeb6bd797106f -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" "d06f1ae4cce91174b8cdff26c1644d965f584ef849567566e2bb7a9969658b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d06f1ae4cce91174b8cdff26c1644d965f584ef849567566e2bb7a9969658b6a", kill_on_drop: false }`
[INFO] [stdout] d06f1ae4cce91174b8cdff26c1644d965f584ef849567566e2bb7a9969658b6a
