[INFO] cloning repository https://github.com/domsteil/substrate-blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/domsteil/substrate-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomsteil%2Fsubstrate-blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomsteil%2Fsubstrate-blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26895925ab183a9ae223e8dc2986efbbd43447a0
[INFO] documenting domsteil/substrate-blockchain against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomsteil%2Fsubstrate-blockchain" "/workspace/builds/worker-39/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/domsteil/substrate-blockchain on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/domsteil/substrate-blockchain
[INFO] finished tweaking git repo https://github.com/domsteil/substrate-blockchain
[INFO] tweaked toml for git repo https://github.com/domsteil/substrate-blockchain written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate git repo https://github.com/domsteil/substrate-blockchain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 908975ecb2807af962a91fdadf0c40e97beae93a586b471a95958b3118aeac58
[INFO] running `Command { std: "docker" "start" "-a" "908975ecb2807af962a91fdadf0c40e97beae93a586b471a95958b3118aeac58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "908975ecb2807af962a91fdadf0c40e97beae93a586b471a95958b3118aeac58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "908975ecb2807af962a91fdadf0c40e97beae93a586b471a95958b3118aeac58", kill_on_drop: false }`
[INFO] [stdout] 908975ecb2807af962a91fdadf0c40e97beae93a586b471a95958b3118aeac58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f864f8374f8a739f561937e9662584faab181aab1a6badb933c9b65b7e1e562
[INFO] running `Command { std: "docker" "start" "-a" "6f864f8374f8a739f561937e9662584faab181aab1a6badb933c9b65b7e1e562", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling arrayvec v0.4.9
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking untrusted v0.5.1
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking hash-db v0.9.0 (https://github.com/paritytech/trie#2616db2a)
[INFO] [stderr]    Compiling crunchy v0.2.1
[INFO] [stderr]     Checking rustc-hex v2.0.1
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking environmental v1.0.0
[INFO] [stderr]     Checking integer-sqrt v0.1.2
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking sha1 v0.5.0
[INFO] [stderr]    Compiling protobuf v2.2.0
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking data-encoding v2.1.1
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking bs58 v0.2.2
[INFO] [stderr]     Checking rustc-demangle v0.1.11
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking once_cell v0.1.6
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking parity-bytes v0.1.0 (https://github.com/paritytech/parity-common?rev=616b40150ded71f57f650067fcbc5c99d7c343e6#616b4015)
[INFO] [stderr]     Checking owning_ref v0.2.4
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking opaque-debug v0.1.1
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking etrace v1.1.1
[INFO] [stderr]     Checking nohash-hasher v0.1.1
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]     Checking quick-error v0.1.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking rustc-hex v1.0.0
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking string v0.1.2
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking interleaved-ordered v0.1.1
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking subtle v0.5.1
[INFO] [stderr]    Compiling sysinfo v0.7.0
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]     Checking target_info v0.1.0
[INFO] [stderr]    Compiling names v0.11.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]     Checking trie-root v0.9.0 (https://github.com/paritytech/trie#2616db2a)
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unsigned-varint v0.1.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking base64 v0.7.0
[INFO] [stderr]     Checking asn1_der v0.5.10
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking uint v0.5.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking hash256-std-hasher v0.9.0 (https://github.com/paritytech/trie#2616db2a)
[INFO] [stderr]     Checking tiny-keccak v1.4.2
[INFO] [stderr]     Checking bigint v4.4.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling time v0.1.41
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking crossbeam-epoch v0.7.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking fs-swap v0.2.4
[INFO] [stderr]     Checking fdlimit v0.1.1
[INFO] [stderr] error: could not compile `proc-macro2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name proc_macro2 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="proc-macro"' -C metadata=6620fb4b3839e7ff -C extra-filename=-6620fb4b3839e7ff --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-09e70e8bcc039b17.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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-0.6.4/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=42084dbf7dc153df -C extra-filename=-42084dbf7dc153df --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-b2efe00ab5fb2147.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "6f864f8374f8a739f561937e9662584faab181aab1a6badb933c9b65b7e1e562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f864f8374f8a739f561937e9662584faab181aab1a6badb933c9b65b7e1e562", kill_on_drop: false }`
[INFO] [stdout] 6f864f8374f8a739f561937e9662584faab181aab1a6badb933c9b65b7e1e562