[INFO] fetching crate recorder 0.1.1...
[INFO] documenting recorder-0.1.1 against nightly for scrape-examples
[INFO] extracting crate recorder 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate recorder 0.1.1 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 recorder 0.1.1
[INFO] finished tweaking crates.io crate recorder 0.1.1
[INFO] tweaked toml for crates.io crate recorder 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate recorder 0.1.1 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 4b2667010197832b3ef80a7270fed99d3e1036b5217a12a646a8fa836e5473ed
[INFO] running `Command { std: "docker" "start" "-a" "4b2667010197832b3ef80a7270fed99d3e1036b5217a12a646a8fa836e5473ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b2667010197832b3ef80a7270fed99d3e1036b5217a12a646a8fa836e5473ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b2667010197832b3ef80a7270fed99d3e1036b5217a12a646a8fa836e5473ed", kill_on_drop: false }`
[INFO] [stdout] 4b2667010197832b3ef80a7270fed99d3e1036b5217a12a646a8fa836e5473ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] a8391d4f1ded3c801ad96249e148d4f8976386c957a571b25012ef87ac66a71f
[INFO] running `Command { std: "docker" "start" "-a" "a8391d4f1ded3c801ad96249e148d4f8976386c957a571b25012ef87ac66a71f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting recorder v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.03s
[INFO] running `Command { std: "docker" "inspect" "a8391d4f1ded3c801ad96249e148d4f8976386c957a571b25012ef87ac66a71f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8391d4f1ded3c801ad96249e148d4f8976386c957a571b25012ef87ac66a71f", kill_on_drop: false }`
[INFO] [stdout] a8391d4f1ded3c801ad96249e148d4f8976386c957a571b25012ef87ac66a71f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13ef865696089c3e4ebfd4e6c304877b6239cf5c431cacfcaab12a5f9d6e2078
[INFO] running `Command { std: "docker" "start" "-a" "13ef865696089c3e4ebfd4e6c304877b6239cf5c431cacfcaab12a5f9d6e2078", kill_on_drop: false }`
[INFO] [stderr]  Documenting recorder v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "13ef865696089c3e4ebfd4e6c304877b6239cf5c431cacfcaab12a5f9d6e2078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13ef865696089c3e4ebfd4e6c304877b6239cf5c431cacfcaab12a5f9d6e2078", kill_on_drop: false }`
[INFO] [stdout] 13ef865696089c3e4ebfd4e6c304877b6239cf5c431cacfcaab12a5f9d6e2078