[INFO] cloning repository https://github.com/NDNLink/NDNProtocol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NDNLink/NDNProtocol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNDNLink%2FNDNProtocol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNDNLink%2FNDNProtocol'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09f233f6d1fceb549d8189ec8a761efc4ce16890
[INFO] documenting NDNLink/NDNProtocol 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%2FNDNLink%2FNDNProtocol" "/workspace/builds/worker-55/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NDNLink/NDNProtocol 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/NDNLink/NDNProtocol
[INFO] finished tweaking git repo https://github.com/NDNLink/NDNProtocol
[INFO] tweaked toml for git repo https://github.com/NDNLink/NDNProtocol written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate git repo https://github.com/NDNLink/NDNProtocol 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 generic-array v0.14.2
[INFO] [stderr]   Downloaded memrange v0.1.3
[INFO] [stderr]   Downloaded jsonrpc-server-utils v14.2.0
[INFO] [stderr]   Downloaded jsonrpc-ws-server v14.2.0
[INFO] [stderr]   Downloaded theban_interval_tree v0.7.1
[INFO] [stderr]   Downloaded jsonrpc-pubsub v14.2.0
[INFO] [stderr]   Downloaded jsonrpc-ipc-server v14.2.0
[INFO] [stderr]   Downloaded jsonrpc-core-client v14.2.0
[INFO] [stderr]   Downloaded jsonrpc-http-server v14.2.0
[INFO] [stderr]   Downloaded jsonrpc-derive v14.2.1
[INFO] [stderr]   Downloaded send_wrapper v0.3.0
[INFO] [stderr]   Downloaded vec-arena v0.5.0
[INFO] [stderr]   Downloaded async-executor v0.1.2
[INFO] [stderr]   Downloaded kvdb-web v0.7.0
[INFO] [stderr]   Downloaded multitask v0.2.0
[INFO] [stderr]   Downloaded async-io v0.1.5
[INFO] [stderr]   Downloaded dlmalloc v0.1.4
[INFO] [stderr]   Downloaded smol-timeout v0.1.0
[INFO] [stderr]   Downloaded cpuid-bool v0.1.0
[INFO] [stderr]   Downloaded memory-db v0.24.0
[INFO] [stderr]   Downloaded event-listener v2.2.0
[INFO] [stderr]   Downloaded trie-db v0.22.0
[INFO] [stderr]   Downloaded smol v0.3.3
[INFO] [stderr]   Downloaded blocking v0.5.0
[INFO] [stderr]   Downloaded easy-parallel v3.1.0
[INFO] [stderr]   Downloaded escargot v0.5.0
[INFO] [stderr]   Downloaded streamunordered v0.5.1
[INFO] [stderr]   Downloaded jsonrpc-client-transports v14.2.0
[INFO] [stderr]   Downloaded assert_cmd v0.12.2
[INFO] [stderr]   Downloaded console_log v0.1.2
[INFO] [stderr]   Downloaded shared_memory_derive v0.10.0
[INFO] [stderr]   Downloaded jsonrpc-core v14.2.0
[INFO] [stderr]   Downloaded errno v0.2.5
[INFO] [stderr]   Downloaded ws v0.9.1
[INFO] [stderr]   Downloaded shared_memory v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 563a367f13d100d82ab6f1e0d17d7abe010f79fd78c465a6af1eed1c91e4583a
[INFO] running `Command { std: "docker" "start" "-a" "563a367f13d100d82ab6f1e0d17d7abe010f79fd78c465a6af1eed1c91e4583a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "563a367f13d100d82ab6f1e0d17d7abe010f79fd78c465a6af1eed1c91e4583a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "563a367f13d100d82ab6f1e0d17d7abe010f79fd78c465a6af1eed1c91e4583a", kill_on_drop: false }`
[INFO] [stdout] 563a367f13d100d82ab6f1e0d17d7abe010f79fd78c465a6af1eed1c91e4583a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 386825b5afe38090794de9367046512038b73b769bd1095dfe74d3bad2784b6d
[INFO] running `Command { std: "docker" "start" "-a" "386825b5afe38090794de9367046512038b73b769bd1095dfe74d3bad2784b6d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[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]     Checking subtle v1.0.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking signature v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking adler v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking sp-std v2.0.0-rc6 (https://github.com/paritytech/substrate?branch=master#83284b9f)
[INFO] [stderr]    Compiling parity-util-mem v0.7.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking environmental v1.1.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking dyn-clone v1.0.2
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking integer-sqrt v0.1.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.64
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.64
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking unsigned-varint v0.3.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking data-encoding v2.2.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.66.0
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking event-listener v2.2.0
[INFO] [stderr]     Checking fastrand v1.3.3
[INFO] [stderr]     Checking parking v1.0.5
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling wasmtime-environ v0.19.0
[INFO] [stderr]     Checking wasmparser v0.59.0
[INFO] [stderr]     Checking cpuid-bool v0.1.0
[INFO] [stderr]     Checking bitmask v0.5.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]    Compiling prometheus v0.10.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking parity-send-wrapper v0.1.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking lru_time_cache v0.10.0
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking atomic v0.4.6
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling hex-literal v0.3.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking ip_network v0.3.4
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling substrate-wasm-builder-runner v1.0.6
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking retain_mut v0.1.1
[INFO] [stderr]     Checking mio-named-pipes v0.1.7
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling sc-consensus-slots v0.8.0-rc6 (https://github.com/paritytech/substrate?branch=master#83284b9f)
[INFO] [stderr]     Checking safe-mix v1.0.1
[INFO] [stderr]    Compiling names v0.11.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking pdqselect v0.1.0
[INFO] [stderr]    Compiling platforms v0.2.1
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling hashbrown v0.8.0
[INFO] [stderr]    Compiling rayon v1.3.1
[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-0.6.18/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="default"' --cfg 'feature="unicode"' --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=a8678468cb8b8804 -C extra-filename=-a8678468cb8b8804 --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" "386825b5afe38090794de9367046512038b73b769bd1095dfe74d3bad2784b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "386825b5afe38090794de9367046512038b73b769bd1095dfe74d3bad2784b6d", kill_on_drop: false }`
[INFO] [stdout] 386825b5afe38090794de9367046512038b73b769bd1095dfe74d3bad2784b6d
