[INFO] fetching crate sub-model 0.2.0...
[INFO] documenting sub-model-0.2.0 against nightly for scrape-examples
[INFO] extracting crate sub-model 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sub-model 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 sub-model 0.2.0
[INFO] finished tweaking crates.io crate sub-model 0.2.0
[INFO] tweaked toml for crates.io crate sub-model 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate sub-model 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] 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] b508373b38c7473ce0e985bfb4b248865c7b18404ac55b6a00b8fab20c47df63
[INFO] running `Command { std: "docker" "start" "-a" "b508373b38c7473ce0e985bfb4b248865c7b18404ac55b6a00b8fab20c47df63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b508373b38c7473ce0e985bfb4b248865c7b18404ac55b6a00b8fab20c47df63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b508373b38c7473ce0e985bfb4b248865c7b18404ac55b6a00b8fab20c47df63", kill_on_drop: false }`
[INFO] [stdout] b508373b38c7473ce0e985bfb4b248865c7b18404ac55b6a00b8fab20c47df63
[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] ccc44f1eb2f274f7fd4e2bd4c5288577f08e179853ab48f9db3a984681b0c6ff
[INFO] running `Command { std: "docker" "start" "-a" "ccc44f1eb2f274f7fd4e2bd4c5288577f08e179853ab48f9db3a984681b0c6ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking quote v1.0.17
[INFO] [stderr]     Checking darling_core v0.13.4
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking darling v0.13.4
[INFO] [stderr]  Documenting sub-model v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.30s
[INFO] running `Command { std: "docker" "inspect" "ccc44f1eb2f274f7fd4e2bd4c5288577f08e179853ab48f9db3a984681b0c6ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccc44f1eb2f274f7fd4e2bd4c5288577f08e179853ab48f9db3a984681b0c6ff", kill_on_drop: false }`
[INFO] [stdout] ccc44f1eb2f274f7fd4e2bd4c5288577f08e179853ab48f9db3a984681b0c6ff
[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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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" "--all-features" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff999084b72e048521e037567ed9870fc5fea891927747b3273ddce4f1c22a5f
[INFO] running `Command { std: "docker" "start" "-a" "ff999084b72e048521e037567ed9870fc5fea891927747b3273ddce4f1c22a5f", kill_on_drop: false }`
[INFO] [stderr]  Documenting sub-model v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "ff999084b72e048521e037567ed9870fc5fea891927747b3273ddce4f1c22a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff999084b72e048521e037567ed9870fc5fea891927747b3273ddce4f1c22a5f", kill_on_drop: false }`
[INFO] [stdout] ff999084b72e048521e037567ed9870fc5fea891927747b3273ddce4f1c22a5f