[INFO] fetching crate cbor-tag-index 0.2.1...
[INFO] documenting cbor-tag-index-0.2.1 against 1.55.0 for beta-1.56-rustdoc-1
[INFO] extracting crate cbor-tag-index 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cbor-tag-index 0.2.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cbor-tag-index 0.2.1
[INFO] finished tweaking crates.io crate cbor-tag-index 0.2.1
[INFO] tweaked toml for crates.io crate cbor-tag-index 0.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate cbor-tag-index 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d5cfbbe76fe75db0492d1998942f31ecf4bb2088bd44ccaaded86dc1ea2c523
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7d5cfbbe76fe75db0492d1998942f31ecf4bb2088bd44ccaaded86dc1ea2c523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d5cfbbe76fe75db0492d1998942f31ecf4bb2088bd44ccaaded86dc1ea2c523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d5cfbbe76fe75db0492d1998942f31ecf4bb2088bd44ccaaded86dc1ea2c523", kill_on_drop: false }`
[INFO] [stdout] 7d5cfbbe76fe75db0492d1998942f31ecf4bb2088bd44ccaaded86dc1ea2c523
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2af0dd96920ed033115926e71e6f3061c0f72165b170942596df8e6c66ed3c02
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2af0dd96920ed033115926e71e6f3061c0f72165b170942596df8e6c66ed3c02", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]     Checking subtle v2.4.1
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[INFO] [stderr]    Compiling hashbrown v0.11.2
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[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking sorted-iter v0.1.7
[INFO] [stderr]     Checking blake2b_simd v0.5.11
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[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking cached v0.23.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking sha2 v0.9.5
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[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
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[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling libipld-cbor-derive v0.12.0
[INFO] [stderr]     Checking data-encoding-macro v0.1.12
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]    Compiling libipld-pb v0.12.0
[INFO] [stderr]     Checking vec-collections v0.3.5
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling multihash-derive v0.7.2
[INFO] [stderr]     Checking multihash v0.14.0
[INFO] [stderr]     Checking cid v0.7.0
[INFO] [stderr]     Checking libipld-core v0.12.0
[INFO] [stderr]     Checking libipld-json v0.12.0
[INFO] [stderr]     Checking libipld-macro v0.12.0
[INFO] [stderr]     Checking libipld-cbor v0.12.1
[INFO] [stderr]     Checking libipld v0.12.0
[INFO] [stderr]  Documenting cbor-tag-index v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.49s
[INFO] running `Command { std: "docker" "inspect" "2af0dd96920ed033115926e71e6f3061c0f72165b170942596df8e6c66ed3c02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2af0dd96920ed033115926e71e6f3061c0f72165b170942596df8e6c66ed3c02", kill_on_drop: false }`
[INFO] [stdout] 2af0dd96920ed033115926e71e6f3061c0f72165b170942596df8e6c66ed3c02