[INFO] fetching crate derive_destructure2_examples 0.1.4...
[INFO] documenting derive_destructure2_examples-0.1.4 against try#6ee483316d2e4581572121d60a955affb2032eb3+cargoflags=-Zrustdoc-scrape-examples for scrape-examples
[INFO] extracting crate derive_destructure2_examples 0.1.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate derive_destructure2_examples 0.1.4 on toolchain 6ee483316d2e4581572121d60a955affb2032eb3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate derive_destructure2_examples 0.1.4
[INFO] finished tweaking crates.io crate derive_destructure2_examples 0.1.4
[INFO] tweaked toml for crates.io crate derive_destructure2_examples 0.1.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+6ee483316d2e4581572121d60a955affb2032eb3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a14e06e23c5fe27d003f30ed9748af69e9d5bd62f70d6d5bd67d58f32030638
[INFO] running `Command { std: "docker" "start" "-a" "5a14e06e23c5fe27d003f30ed9748af69e9d5bd62f70d6d5bd67d58f32030638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a14e06e23c5fe27d003f30ed9748af69e9d5bd62f70d6d5bd67d58f32030638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a14e06e23c5fe27d003f30ed9748af69e9d5bd62f70d6d5bd67d58f32030638", kill_on_drop: false }`
[INFO] [stdout] 5a14e06e23c5fe27d003f30ed9748af69e9d5bd62f70d6d5bd67d58f32030638
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+6ee483316d2e4581572121d60a955affb2032eb3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json" "-Zrustdoc-scrape-examples", kill_on_drop: false }`
[INFO] [stdout] b045e435a89c3bd3f1e80e1c9b065e6d54da52505a8755172395c43c468840c4
[INFO] running `Command { std: "docker" "start" "-a" "b045e435a89c3bd3f1e80e1c9b065e6d54da52505a8755172395c43c468840c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling derive_destructure2 v0.1.1
[INFO] [stderr]     Scraping derive_destructure2_examples v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting derive_destructure2_examples v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.99s
[INFO] running `Command { std: "docker" "inspect" "b045e435a89c3bd3f1e80e1c9b065e6d54da52505a8755172395c43c468840c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b045e435a89c3bd3f1e80e1c9b065e6d54da52505a8755172395c43c468840c4", kill_on_drop: false }`
[INFO] [stdout] b045e435a89c3bd3f1e80e1c9b065e6d54da52505a8755172395c43c468840c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+6ee483316d2e4581572121d60a955affb2032eb3" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json" "--" "--document-private-items" "-Zrustdoc-scrape-examples", kill_on_drop: false }`
[INFO] [stdout] 9dcb2c87fbc40ec0248a01e90288f6b1c600d2cb8f776d1970c51e56dc62e438
[INFO] running `Command { std: "docker" "start" "-a" "9dcb2c87fbc40ec0248a01e90288f6b1c600d2cb8f776d1970c51e56dc62e438", kill_on_drop: false }`
[INFO] [stderr]  Documenting derive_destructure2_examples v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: unknown unstable option: `rustdoc-scrape-examples`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `derive_destructure2_examples`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name derive_destructure2_examples src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -Zrustdoc-scrape-examples -C metadata=786061c7191d6685 -L dependency=/opt/rustwide/target/debug/deps --extern derive_destructure2=/opt/rustwide/target/debug/deps/libderive_destructure2-03c822763349e397.so --extern-html-root-url 'derive_destructure2=https://docs.rs/derive_destructure2/0.1.1/' -Zunstable-options --cap-lints=forbid --crate-version 0.1.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "9dcb2c87fbc40ec0248a01e90288f6b1c600d2cb8f776d1970c51e56dc62e438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dcb2c87fbc40ec0248a01e90288f6b1c600d2cb8f776d1970c51e56dc62e438", kill_on_drop: false }`
[INFO] [stdout] 9dcb2c87fbc40ec0248a01e90288f6b1c600d2cb8f776d1970c51e56dc62e438