[INFO] fetching crate keyby 0.2.0...
[INFO] documenting keyby-0.2.0 against nightly for scrape-examples
[INFO] extracting crate keyby 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate keyby 0.2.0 on toolchain nightly
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate keyby 0.2.0
[INFO] finished tweaking crates.io crate keyby 0.2.0
[INFO] tweaked toml for crates.io crate keyby 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate keyby 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v0.15.39
[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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 802a28b05614e1a7e7a7ecdf970800b470e717687d2a461e47ae687d013a8c72
[INFO] running `Command { std: "docker" "start" "-a" "802a28b05614e1a7e7a7ecdf970800b470e717687d2a461e47ae687d013a8c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "802a28b05614e1a7e7a7ecdf970800b470e717687d2a461e47ae687d013a8c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "802a28b05614e1a7e7a7ecdf970800b470e717687d2a461e47ae687d013a8c72", kill_on_drop: false }`
[INFO] [stdout] 802a28b05614e1a7e7a7ecdf970800b470e717687d2a461e47ae687d013a8c72
[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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6b49ed3a525534bab019b6de7814070efecbf968a48ce9ada446cef792a41ce
[INFO] running `Command { std: "docker" "start" "-a" "b6b49ed3a525534bab019b6de7814070efecbf968a48ce9ada446cef792a41ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking quote v0.6.12
[INFO] [stderr]  Documenting keyby v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "b6b49ed3a525534bab019b6de7814070efecbf968a48ce9ada446cef792a41ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6b49ed3a525534bab019b6de7814070efecbf968a48ce9ada446cef792a41ce", kill_on_drop: false }`
[INFO] [stdout] b6b49ed3a525534bab019b6de7814070efecbf968a48ce9ada446cef792a41ce
[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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec1cf2079db63e7a1d294accd9a764acd1972a58432141e5344c0665b02394bd
[INFO] running `Command { std: "docker" "start" "-a" "ec1cf2079db63e7a1d294accd9a764acd1972a58432141e5344c0665b02394bd", kill_on_drop: false }`
[INFO] [stderr]  Documenting keyby v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "ec1cf2079db63e7a1d294accd9a764acd1972a58432141e5344c0665b02394bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec1cf2079db63e7a1d294accd9a764acd1972a58432141e5344c0665b02394bd", kill_on_drop: false }`
[INFO] [stdout] ec1cf2079db63e7a1d294accd9a764acd1972a58432141e5344c0665b02394bd