[INFO] fetching crate exo 0.1.11...
[INFO] documenting exo-0.1.11 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate exo 0.1.11 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate exo 0.1.11 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 crates.io crate exo 0.1.11
[INFO] finished tweaking crates.io crate exo 0.1.11
[INFO] tweaked toml for crates.io crate exo 0.1.11 written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate crates.io crate exo 0.1.11 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 number_prefix v0.4.0
[INFO] [stderr]   Downloaded wasmparser v0.78.2
[INFO] [stderr]   Downloaded wasmtime-fiber v0.28.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.75.0
[INFO] [stderr]   Downloaded cranelift-wasm v0.75.0
[INFO] [stderr]   Downloaded addr2line v0.15.2
[INFO] [stderr]   Downloaded cpp_demangle v0.3.3
[INFO] [stderr]   Downloaded wasmtime-obj v0.28.0
[INFO] [stderr]   Downloaded wasmtime-jit v0.28.0
[INFO] [stderr]   Downloaded regalloc v0.0.31
[INFO] [stderr]   Downloaded dialoguer v0.8.0
[INFO] [stderr]   Downloaded terminal_size v0.1.17
[INFO] [stderr]   Downloaded wasmtime-cache v0.28.0
[INFO] [stderr]   Downloaded zstd v0.6.1+zstd.1.4.9
[INFO] [stderr]   Downloaded wasmtime-cranelift v0.28.0
[INFO] [stderr]   Downloaded wasmtime v0.28.0
[INFO] [stderr]   Downloaded cranelift-entity v0.75.0
[INFO] [stderr]   Downloaded psm v0.1.14
[INFO] [stderr]   Downloaded zstd-safe v3.0.1+zstd.1.4.9
[INFO] [stderr]   Downloaded wasmtime-debug v0.28.0
[INFO] [stderr]   Downloaded exocore-apps-host v0.1.11
[INFO] [stderr]   Downloaded zstd-sys v1.4.20+zstd.1.4.9
[INFO] [stderr]   Downloaded object v0.25.3
[INFO] [stderr]   Downloaded cranelift-bforest v0.75.0
[INFO] [stderr]   Downloaded wasmtime-runtime v0.28.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.75.0
[INFO] [stderr]   Downloaded wat v1.0.38
[INFO] [stderr]   Downloaded wasmtime-profiling v0.28.0
[INFO] [stderr]   Downloaded cranelift-native v0.75.0
[INFO] [stderr]   Downloaded console v0.14.1
[INFO] [stderr]   Downloaded indicatif v0.16.2
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.75.0
[INFO] [stderr]   Downloaded wasmtime-environ v0.28.0
[INFO] [stderr]   Downloaded target-lexicon v0.12.1
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.75.0
[INFO] [stderr]   Downloaded wast v36.0.0
[INFO] [stderr]   Downloaded gimli v0.24.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 74f99df5c3508d12b279db50b0dbd1e9a6062afb793bc568f0127e7bff0e6981
[INFO] running `Command { std: "docker" "start" "-a" "74f99df5c3508d12b279db50b0dbd1e9a6062afb793bc568f0127e7bff0e6981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74f99df5c3508d12b279db50b0dbd1e9a6062afb793bc568f0127e7bff0e6981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74f99df5c3508d12b279db50b0dbd1e9a6062afb793bc568f0127e7bff0e6981", kill_on_drop: false }`
[INFO] [stdout] 74f99df5c3508d12b279db50b0dbd1e9a6062afb793bc568f0127e7bff0e6981
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 98977b729090c64e6bc592f856c0baf312ca208965118e068fdfe969aa5948f7
[INFO] running `Command { std: "docker" "start" "-a" "98977b729090c64e6bc592f856c0baf312ca208965118e068fdfe969aa5948f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]     Checking asn1_der v0.7.4
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling target-lexicon v0.12.1
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]     Checking wasmparser v0.78.2
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]    Compiling capnp v0.14.3
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling protobuf v2.24.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]    Compiling zstd-safe v3.0.1+zstd.1.4.9
[INFO] [stderr]    Compiling cpp_demangle v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]    Compiling wasmtime-cache v0.28.0
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking levenshtein_automata v0.2.1
[INFO] [stderr]     Checking census v0.4.0
[INFO] [stderr]     Checking crc-catalog v1.1.1
[INFO] [stderr]     Checking tantivy-bitpacker v0.1.0
[INFO] [stderr]     Checking fastdivide v0.3.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking twox-hash v1.6.0
[INFO] [stderr]     Checking murmurhash32 v0.2.0
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking combine v4.6.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking ordered-float v2.7.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr] error: could not compile `capnp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name capnp --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/capnp-0.14.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' --cfg 'feature="sync_reader"' -C metadata=1771721a78220772 -C extra-filename=-1771721a78220772 --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" "98977b729090c64e6bc592f856c0baf312ca208965118e068fdfe969aa5948f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98977b729090c64e6bc592f856c0baf312ca208965118e068fdfe969aa5948f7", kill_on_drop: false }`
[INFO] [stdout] 98977b729090c64e6bc592f856c0baf312ca208965118e068fdfe969aa5948f7
