[INFO] cloning repository https://github.com/antaintan/subx-homework5
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/antaintan/subx-homework5" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantaintan%2Fsubx-homework5", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantaintan%2Fsubx-homework5'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dbe379705ed2f4fba10afc4b2d260920ed4cd757
[INFO] documenting antaintan/subx-homework5 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantaintan%2Fsubx-homework5" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/antaintan/subx-homework5 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/antaintan/subx-homework5
[INFO] finished tweaking git repo https://github.com/antaintan/subx-homework5
[INFO] tweaked toml for git repo https://github.com/antaintan/subx-homework5 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/antaintan/subx-homework5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prometheus v0.9.0
[INFO] [stderr]   Downloaded libp2p-deflate v0.20.0
[INFO] [stderr]   Downloaded libp2p-floodsub v0.20.0
[INFO] [stderr]   Downloaded jsonrpc-derive v14.2.1
[INFO] [stderr]   Downloaded tracing-core v0.1.14
[INFO] [stderr]   Downloaded parity-multiaddr v0.9.1
[INFO] [stderr]   Downloaded substrate-bip39 v0.4.1
[INFO] [stderr]   Downloaded jsonrpc-client-transports v14.2.0
[INFO] [stderr]   Downloaded rocksdb v0.14.0
[INFO] [stderr]   Downloaded libp2p-uds v0.20.0
[INFO] [stderr]   Downloaded libp2p-gossipsub v0.20.0
[INFO] [stderr]   Downloaded libp2p-request-response v0.1.1
[INFO] [stderr]   Downloaded kvdb-rocksdb v0.9.0
[INFO] [stderr]   Downloaded libp2p-noise v0.22.0
[INFO] [stderr]   Downloaded libp2p-core-derive v0.20.1
[INFO] [stderr]   Downloaded libp2p v0.23.0
[INFO] [stderr]   Downloaded libp2p-plaintext v0.20.0
[INFO] [stderr]   Downloaded yamux v0.4.7
[INFO] [stderr]   Downloaded librocksdb-sys v6.7.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 744e5639933e6d513870f2a314c189d873449b7dc0f5f94698591bee7fa9936c
[INFO] running `Command { std: "docker" "start" "-a" "744e5639933e6d513870f2a314c189d873449b7dc0f5f94698591bee7fa9936c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "744e5639933e6d513870f2a314c189d873449b7dc0f5f94698591bee7fa9936c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "744e5639933e6d513870f2a314c189d873449b7dc0f5f94698591bee7fa9936c", kill_on_drop: false }`
[INFO] [stdout] 744e5639933e6d513870f2a314c189d873449b7dc0f5f94698591bee7fa9936c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 364415cd0764ec9a798747186f9ca1d175946ed93c8fa9879d54644252082af6
[INFO] running `Command { std: "docker" "start" "-a" "364415cd0764ec9a798747186f9ca1d175946ed93c8fa9879d54644252082af6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.36
[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 v1.4.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking byte-tools v0.3.1
[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 ahash v0.3.8
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking signature v1.1.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling parity-util-mem v0.7.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking sp-std v2.0.0-rc6 (https://github.com/paritytech/substrate.git?tag=v2.0.0-rc6#be8bb186)
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking environmental v1.1.1
[INFO] [stderr]     Checking dyn-clone v1.0.2
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.65
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.65
[INFO] [stderr]     Checking integer-sqrt v0.1.3
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]     Checking unsigned-varint v0.3.3
[INFO] [stderr]     Checking data-encoding v2.2.1
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking event-listener v2.2.1
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking fastrand v1.3.3
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.66.0
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking parity-send-wrapper v0.1.0
[INFO] [stderr]    Compiling prometheus v0.9.0
[INFO] [stderr]     Checking atomic v0.4.6
[INFO] [stderr]    Compiling wasmtime-environ v0.19.0
[INFO] [stderr]     Checking wasmparser v0.59.0
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking bitmask v0.5.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]     Checking ip_network v0.3.4
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking mio-named-pipes v0.1.7
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking retain_mut v0.1.1
[INFO] [stderr]    Compiling substrate-wasm-builder-runner v1.0.6 (https://github.com/paritytech/substrate.git?tag=v2.0.0-rc6#be8bb186)
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling sc-consensus-slots v0.8.0-rc6 (https://github.com/paritytech/substrate.git?tag=v2.0.0-rc6#be8bb186)
[INFO] [stderr]    Compiling names v0.11.0
[INFO] [stderr]    Compiling platforms v0.2.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr] error: could not compile `parity-wasm`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name parity_wasm --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/parity-wasm-0.41.0/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="std"' -C metadata=e4728860562dace2 -C extra-filename=-e4728860562dace2 --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: could not compile `bytes`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bytes --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.5.6/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="default"' --cfg 'feature="std"' -C metadata=fe3466ffd68c556e -C extra-filename=-fe3466ffd68c556e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `wasmparser`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name wasmparser --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wasmparser-0.57.0/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=fe869c06ae52b54c -C extra-filename=-fe869c06ae52b54c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `glob`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name glob /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/glob-0.3.0/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 -C metadata=3c6691a7ea531f26 -C extra-filename=-3c6691a7ea531f26 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[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,future-incompat --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=70878bc8bc095ba1 -C extra-filename=-70878bc8bc095ba1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `gimli`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name gimli --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gimli-0.22.0/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="read"' -C metadata=8a36db4bc8d31484 -C extra-filename=-8a36db4bc8d31484 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `pkg-config`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name pkg_config /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pkg-config-0.3.18/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 -C metadata=527b29c514a225b2 -C extra-filename=-527b29c514a225b2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[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,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=e39cb6ddd0222123 -C extra-filename=-e39cb6ddd0222123 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "364415cd0764ec9a798747186f9ca1d175946ed93c8fa9879d54644252082af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "364415cd0764ec9a798747186f9ca1d175946ed93c8fa9879d54644252082af6", kill_on_drop: false }`
[INFO] [stdout] 364415cd0764ec9a798747186f9ca1d175946ed93c8fa9879d54644252082af6