[INFO] fetching crate solana_libra_metrics 0.0.1-sol5...
[INFO] documenting solana_libra_metrics-0.0.1-sol5 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate solana_libra_metrics 0.0.1-sol5 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate solana_libra_metrics 0.0.1-sol5 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 crates.io crate solana_libra_metrics 0.0.1-sol5
[INFO] finished tweaking crates.io crate solana_libra_metrics 0.0.1-sol5
[INFO] tweaked toml for crates.io crate solana_libra_metrics 0.0.1-sol5 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 857c25f21e4bb256e26ffcf6d0ccb0e5684a0601cefd9cf548f757cd817db46b
[INFO] running `Command { std: "docker" "start" "-a" "857c25f21e4bb256e26ffcf6d0ccb0e5684a0601cefd9cf548f757cd817db46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "857c25f21e4bb256e26ffcf6d0ccb0e5684a0601cefd9cf548f757cd817db46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "857c25f21e4bb256e26ffcf6d0ccb0e5684a0601cefd9cf548f757cd817db46b", kill_on_drop: false }`
[INFO] [stdout] 857c25f21e4bb256e26ffcf6d0ccb0e5684a0601cefd9cf548f757cd817db46b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 66a9831b85ff67335b91a1d305b4b7e43f32d3cc053b764e569152b1ef3e5dd2
[INFO] running `Command { std: "docker" "start" "-a" "66a9831b85ff67335b91a1d305b4b7e43f32d3cc053b764e569152b1ef3e5dd2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling slog-async v2.7.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking arc-swap v1.5.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]     Checking solana_libra_failure_macros v0.0.1-sol5
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking lock_api v0.3.4
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[INFO] [stderr]     Checking miniz_oxide v0.5.1
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[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
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[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking http v0.1.21
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[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking slog-scope v4.4.0
[INFO] [stderr]     Checking slog-term v2.9.0
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking slog-stdlog v4.1.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
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[INFO] [stderr]     Checking tokio-threadpool v0.1.18
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[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking slog-envlogger v2.2.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking solana_libra_logger v0.0.1-sol5
[INFO] [stderr]     Checking solana_libra_failure_ext v0.0.1-sol5
[INFO] [stderr]  Documenting solana_libra_metrics v0.0.1-sol5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `::Encoder`
[INFO] [stdout]   --> src/json_encoder.rs:12:41
[INFO] [stdout]    |
[INFO] [stdout] 12 | /// An implementation of an [`Encoder`](::Encoder) that converts a `MetricFamily` proto message
[INFO] [stdout]    |                                         ^^^^^^^^^ no item named `` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.32s
[INFO] running `Command { std: "docker" "inspect" "66a9831b85ff67335b91a1d305b4b7e43f32d3cc053b764e569152b1ef3e5dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66a9831b85ff67335b91a1d305b4b7e43f32d3cc053b764e569152b1ef3e5dd2", kill_on_drop: false }`
[INFO] [stdout] 66a9831b85ff67335b91a1d305b4b7e43f32d3cc053b764e569152b1ef3e5dd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 9417545a4ff934bb8a4331d1f1c7f075393f9870af87a6916028f950d807d4eb
[INFO] running `Command { std: "docker" "start" "-a" "9417545a4ff934bb8a4331d1f1c7f075393f9870af87a6916028f950d807d4eb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking arc-swap v1.5.0
[INFO] [stderr]    Compiling slog-async v2.7.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking solana_libra_failure_macros v0.0.1-sol5
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling semver v0.9.0
[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 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.26/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 --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=f083e499a9477ef4 -C extra-filename=-f083e499a9477ef4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9417545a4ff934bb8a4331d1f1c7f075393f9870af87a6916028f950d807d4eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9417545a4ff934bb8a4331d1f1c7f075393f9870af87a6916028f950d807d4eb", kill_on_drop: false }`
[INFO] [stdout] 9417545a4ff934bb8a4331d1f1c7f075393f9870af87a6916028f950d807d4eb