[INFO] cloning repository https://github.com/arithmic-akhil/substrate-api-client-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arithmic-akhil/substrate-api-client-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farithmic-akhil%2Fsubstrate-api-client-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farithmic-akhil%2Fsubstrate-api-client-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33b447ca9ec85973815556dedc0a73eca6151d5b
[INFO] documenting arithmic-akhil/substrate-api-client-practice/33b447ca9ec85973815556dedc0a73eca6151d5b against 1.95.0 for beta-1.96-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farithmic-akhil%2Fsubstrate-api-client-practice" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/arithmic-akhil/substrate-api-client-practice
[INFO] finished tweaking git repo https://github.com/arithmic-akhil/substrate-api-client-practice
[INFO] tweaked toml for git repo https://github.com/arithmic-akhil/substrate-api-client-practice written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/arithmic-akhil/substrate-api-client-practice on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/arithmic-akhil/substrate-api-client-practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/scs/substrate-api-client`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/polkadot-sdk.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/w3f/ring-vrf`
[INFO] [stderr]     Updating git repository `https://github.com/kianenigma/simple-mermaid.git`
[INFO] [stderr]     Updating git repository `https://github.com/w3f/fflonk`
[INFO] [stderr]     Updating git repository `https://github.com/w3f/ring-proof`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/arkworks-substrate`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parity-scale-codec-derive v3.6.9
[INFO] [stderr]   Downloaded scale-info-derive v2.10.0
[INFO] [stderr]   Downloaded bounded-collections v0.1.9
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[INFO] [stderr]   Downloaded parity-scale-codec v3.6.9
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[INFO] [stderr]   Downloaded substrate-bip39 v0.4.5
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[INFO] [stderr]   Downloaded proc-macro-warning v1.0.0
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[INFO] [stderr]   Downloaded derive-syn-parse v0.1.5
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc1e6289553d29948557c726f7ed331e7a371f55ad7441a5b57eb4f3380c4dd1
[INFO] running `Command { std: "docker" "start" "-a" "cc1e6289553d29948557c726f7ed331e7a371f55ad7441a5b57eb4f3380c4dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc1e6289553d29948557c726f7ed331e7a371f55ad7441a5b57eb4f3380c4dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc1e6289553d29948557c726f7ed331e7a371f55ad7441a5b57eb4f3380c4dd1", kill_on_drop: false }`
[INFO] [stdout] cc1e6289553d29948557c726f7ed331e7a371f55ad7441a5b57eb4f3380c4dd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 778089ebb26abbee7499ad7e0c5ae40719369a4e9d0bf73c24d539aae1d0e10a
[INFO] running `Command { std: "docker" "start" "-a" "778089ebb26abbee7499ad7e0c5ae40719369a4e9d0bf73c24d539aae1d0e10a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling winnow v0.5.25
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]     Checking const-oid v0.9.5
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]    Compiling ahash v0.8.6
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking zerocopy v0.7.29
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling rustix v0.38.26
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling cc v1.0.83
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[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking sp-std v8.0.0 (https://github.com/paritytech/polkadot-sdk.git?branch=master#1f023dea)
[INFO] [stderr]    Compiling digest v0.10.7
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[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ahash v0.7.7
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
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[INFO] [stderr]    Compiling target-lexicon v0.12.12
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]     Checking hashbrown v0.13.2
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[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]    Compiling rustix v0.36.17
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
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[INFO] [stderr]     Checking rustc-demangle v0.1.23
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[INFO] [stderr]    Compiling psm v0.1.21
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[INFO] [stderr]    Compiling ref-cast v1.0.20
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]     Checking fixed-hash v0.8.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
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[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling secp256k1-sys v0.9.0
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]     Checking environmental v1.1.4
[INFO] [stderr]     Checking hash-db v0.16.0
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[INFO] [stderr]    Compiling libsecp256k1 v0.7.1
[INFO] [stderr]     Checking constant_time_eq v0.3.0
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[INFO] [stderr]     Checking blake2b_simd v1.0.2
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]     Checking bitcoin_hashes v0.11.0
[INFO] [stderr]     Checking either v1.9.0
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[INFO] [stderr]     Checking memfd v0.6.4
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking array-bytes v6.2.2
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking bs58 v0.5.0
[INFO] [stderr]    Compiling platforms v3.2.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]     Checking memory-db v0.32.0
[INFO] [stderr]     Checking trie-root v0.18.0
[INFO] [stderr]     Checking trie-db v0.28.0
[INFO] [stderr]     Checking schnellru v0.2.1
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]    Compiling sp-io v23.0.0 (https://github.com/paritytech/polkadot-sdk.git?branch=master#1f023dea)
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling termcolor v1.4.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.1
[INFO] [stderr]    Compiling common-path v1.0.0
[INFO] [stderr]     Checking simple-mermaid v0.1.0 (https://github.com/kianenigma/simple-mermaid.git?branch=main#e48b187b)
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.95.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=65144241827e2f67 -C extra-filename=-f0424a90dc08c06d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-263b2ed299111dd6.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b761718f3af6ea09.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-dc69dd200c39893c.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.95.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.39/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=838f0d4ee51c7baf -C extra-filename=-985cda5a56b1e627 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-263b2ed299111dd6.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b761718f3af6ea09.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-dc69dd200c39893c.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "778089ebb26abbee7499ad7e0c5ae40719369a4e9d0bf73c24d539aae1d0e10a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "778089ebb26abbee7499ad7e0c5ae40719369a4e9d0bf73c24d539aae1d0e10a", kill_on_drop: false }`
[INFO] [stdout] 778089ebb26abbee7499ad7e0c5ae40719369a4e9d0bf73c24d539aae1d0e10a