[INFO] fetching crate proof-of-history 0.1.0...
[INFO] documenting proof-of-history-0.1.0 against 1.97.0-beta.6 for beta-rustdoc-1.98-4
[INFO] extracting crate proof-of-history 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate proof-of-history 0.1.0
[INFO] finished tweaking crates.io crate proof-of-history 0.1.0
[INFO] tweaked toml for crates.io crate proof-of-history 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate proof-of-history 0.1.0 on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate proof-of-history 0.1.0 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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpufeatures v0.2.11
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[INFO] [stderr]   Downloaded ciborium-ll v0.2.1
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[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.89
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[INFO] [stderr]   Downloaded cc v1.0.83
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[INFO] [stderr]   Downloaded itertools v0.10.5
[INFO] [stderr]   Downloaded criterion v0.4.0
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[INFO] [stderr]   Downloaded serde_json v1.0.108
[INFO] [stderr]   Downloaded plotters v0.3.5
[INFO] [stderr]   Downloaded blake3 v1.5.0
[INFO] [stderr]   Downloaded aho-corasick v1.1.2
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[INFO] [stderr]   Downloaded clap v3.2.25
[INFO] [stderr]   Downloaded syn v2.0.42
[INFO] [stderr]   Downloaded regex v1.10.2
[INFO] [stderr]   Downloaded regex-syntax v0.8.2
[INFO] [stderr]   Downloaded regex-automata v0.4.3
[INFO] [stderr]   Downloaded libc v0.2.151
[INFO] [stderr]   Downloaded web-sys v0.3.66
[INFO] [stderr]   Downloaded sha3 v0.10.8
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8573fcd49d5f33db7fd54f222e8d422e816ae2e4cb7145553f64071521bb832b
[INFO] running `Command { std: "docker" "start" "8573fcd49d5f33db7fd54f222e8d422e816ae2e4cb7145553f64071521bb832b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8573fcd49d5f33db7fd54f222e8d422e816ae2e4cb7145553f64071521bb832b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8573fcd49d5f33db7fd54f222e8d422e816ae2e4cb7145553f64071521bb832b" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8573fcd49d5f33db7fd54f222e8d422e816ae2e4cb7145553f64071521bb832b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8573fcd49d5f33db7fd54f222e8d422e816ae2e4cb7145553f64071521bb832b" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.17
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.16
[INFO] [stderr]     Checking crossbeam-deque v0.8.4
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]  Documenting proof-of-history v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.11s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/proof_of_history/index.html
[INFO] running `Command { std: "docker" "inspect" "8573fcd49d5f33db7fd54f222e8d422e816ae2e4cb7145553f64071521bb832b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8573fcd49d5f33db7fd54f222e8d422e816ae2e4cb7145553f64071521bb832b" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]  Documenting proof-of-history v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.08s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/proof_of_history/index.html
[INFO] running `Command { std: "docker" "inspect" "8573fcd49d5f33db7fd54f222e8d422e816ae2e4cb7145553f64071521bb832b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8573fcd49d5f33db7fd54f222e8d422e816ae2e4cb7145553f64071521bb832b", kill_on_drop: false }`
[INFO] [stdout] 8573fcd49d5f33db7fd54f222e8d422e816ae2e4cb7145553f64071521bb832b