[INFO] cloning repository https://github.com/MarcoPolo/http-index-provider-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarcoPolo/http-index-provider-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcoPolo%2Fhttp-index-provider-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcoPolo%2Fhttp-index-provider-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ebda4211c93324405c827b5ffc46c513741efa8
[INFO] documenting MarcoPolo/http-index-provider-example 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%2FMarcoPolo%2Fhttp-index-provider-example" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MarcoPolo/http-index-provider-example 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/MarcoPolo/http-index-provider-example
[INFO] finished tweaking git repo https://github.com/MarcoPolo/http-index-provider-example
[INFO] tweaked toml for git repo https://github.com/MarcoPolo/http-index-provider-example written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/MarcoPolo/http-index-provider-example 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]  Downloading crates ...
[INFO] [stderr]   Downloaded libp2p-ping v0.32.0
[INFO] [stderr]   Downloaded serde_with v1.11.0
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[INFO] [stderr]   Downloaded libp2p-kad v0.33.0
[INFO] [stderr]   Downloaded forest_encoding v0.2.2
[INFO] [stderr]   Downloaded libp2p-metrics v0.2.0
[INFO] [stderr]   Downloaded cs_serde_bytes v0.12.0
[INFO] [stderr]   Downloaded integer-encoding v2.1.3
[INFO] [stderr]   Downloaded cs_serde_cbor v0.12.0
[INFO] [stderr]   Downloaded cid v0.7.0
[INFO] [stderr]   Downloaded forest_ipld v0.1.1
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[INFO] [stderr]   Downloaded libp2p-identify v0.32.0
[INFO] [stderr]   Downloaded libp2p-rendezvous v0.2.0
[INFO] [stderr]   Downloaded libp2p-websocket v0.32.0
[INFO] [stderr]   Downloaded libp2p v0.41.0
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[INFO] [stderr]   Downloaded libp2p-swarm-derive v0.26.0
[INFO] [stderr]   Downloaded forest_json_utils v0.1.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2289af21a73b2401214921ec8a0e4cbc055037cd4340cd0438710c9c5bd1c62c
[INFO] running `Command { std: "docker" "start" "-a" "2289af21a73b2401214921ec8a0e4cbc055037cd4340cd0438710c9c5bd1c62c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2289af21a73b2401214921ec8a0e4cbc055037cd4340cd0438710c9c5bd1c62c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2289af21a73b2401214921ec8a0e4cbc055037cd4340cd0438710c9c5bd1c62c", kill_on_drop: false }`
[INFO] [stdout] 2289af21a73b2401214921ec8a0e4cbc055037cd4340cd0438710c9c5bd1c62c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b87ded5b2a6f32a9c00c9bb3370100b272957b9a0745ba15cbadb2b6f5ffa412
[INFO] running `Command { std: "docker" "start" "-a" "b87ded5b2a6f32a9c00c9bb3370100b272957b9a0745ba15cbadb2b6f5ffa412", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
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[INFO] [stderr]     Checking cfg-if v1.0.0
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[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking matches v0.1.9
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[INFO] [stderr]     Checking instant v0.1.12
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[INFO] [stderr]    Compiling rustc_version v0.3.3
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[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]     Checking cuckoofilter v0.5.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1 v0.7.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.78
[INFO] [stderr]    Compiling darling_core v0.13.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.78
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling zeroize_derive v1.2.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.29
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling serde_tuple_macros v0.5.0
[INFO] [stderr] error: could not compile `darling_core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name darling_core --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/darling_core-0.13.1/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="strsim"' --cfg 'feature="suggestions"' -C metadata=ce31097a06138e7d -C extra-filename=-ce31097a06138e7d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-a04df1510444cd45.rmeta --extern ident_case=/opt/rustwide/target/debug/deps/libident_case-758b4974b56a4cac.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f9383323b850a319.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a9f234ddec0ae01e.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-9810120ee563609f.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-4863d9504d6f7c79.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b87ded5b2a6f32a9c00c9bb3370100b272957b9a0745ba15cbadb2b6f5ffa412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b87ded5b2a6f32a9c00c9bb3370100b272957b9a0745ba15cbadb2b6f5ffa412", kill_on_drop: false }`
[INFO] [stdout] b87ded5b2a6f32a9c00c9bb3370100b272957b9a0745ba15cbadb2b6f5ffa412