[INFO] cloning repository https://github.com/yanganto/certifybook-chain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yanganto/certifybook-chain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyanganto%2Fcertifybook-chain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyanganto%2Fcertifybook-chain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99e29c9c43d9b08c3791996af544ed5d154e3dc0
[INFO] documenting yanganto/certifybook-chain 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%2Fyanganto%2Fcertifybook-chain" "/workspace/builds/worker-51/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-51/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yanganto/certifybook-chain 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/yanganto/certifybook-chain
[INFO] finished tweaking git repo https://github.com/yanganto/certifybook-chain
[INFO] tweaked toml for git repo https://github.com/yanganto/certifybook-chain written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] crate git repo https://github.com/yanganto/certifybook-chain 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-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] b72f43ac277a78a9ab9533fd7390119d5bbcd554f184906b66127077e592f349
[INFO] running `Command { std: "docker" "start" "-a" "b72f43ac277a78a9ab9533fd7390119d5bbcd554f184906b66127077e592f349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b72f43ac277a78a9ab9533fd7390119d5bbcd554f184906b66127077e592f349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b72f43ac277a78a9ab9533fd7390119d5bbcd554f184906b66127077e592f349", kill_on_drop: false }`
[INFO] [stdout] b72f43ac277a78a9ab9533fd7390119d5bbcd554f184906b66127077e592f349
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 510c64e3d5a878926792e14d8226dae6ed58cf7ca330646428a8696d6d72a421
[INFO] running `Command { std: "docker" "start" "-a" "510c64e3d5a878926792e14d8226dae6ed58cf7ca330646428a8696d6d72a421", 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 v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.14
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking subtle v2.2.2
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking sp-std v2.0.0-alpha.4 (https://github.com/paritytech/substrate.git?rev=6a38fdc0a61ff2c81f1b06b51eaf1d994000e9c3#6a38fdc0)
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking environmental v1.1.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking integer-sqrt v0.1.3
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking data-encoding v2.2.0
[INFO] [stderr]     Checking bs58 v0.3.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.60
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling bumpalo v3.2.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.60
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking parity-send-wrapper v0.1.0
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking parity-bytes v0.1.2
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking bitmask v0.5.0
[INFO] [stderr]    Compiling protobuf v2.12.0
[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling bindgen v0.53.2
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking interleaved-ordered v0.1.1
[INFO] [stderr]    Compiling sysinfo v0.11.7
[INFO] [stderr]     Checking safe-mix v1.0.1
[INFO] [stderr]    Compiling substrate-wasm-builder-runner v1.0.5 (https://github.com/paritytech/substrate.git?rev=6a38fdc0a61ff2c81f1b06b51eaf1d994000e9c3#6a38fdc0)
[INFO] [stderr]    Compiling sc-consensus-slots v0.8.0-alpha.4 (https://github.com/paritytech/substrate.git?rev=6a38fdc0a61ff2c81f1b06b51eaf1d994000e9c3#6a38fdc0)
[INFO] [stderr]     Checking target_info v0.1.0
[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-macro2-1.0.10/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="default"' --cfg 'feature="proc-macro"' -C metadata=176e5e3a5fbc86b2 -C extra-filename=-176e5e3a5fbc86b2 --out-dir /opt/rustwide/target/debug/build/proc-macro2-176e5e3a5fbc86b2 -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" "510c64e3d5a878926792e14d8226dae6ed58cf7ca330646428a8696d6d72a421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "510c64e3d5a878926792e14d8226dae6ed58cf7ca330646428a8696d6d72a421", kill_on_drop: false }`
[INFO] [stdout] 510c64e3d5a878926792e14d8226dae6ed58cf7ca330646428a8696d6d72a421
