[INFO] fetching crate puzzle 0.1.0...
[INFO] documenting puzzle-0.1.0 against try#6ee483316d2e4581572121d60a955affb2032eb3+cargoflags=-Zrustdoc-scrape-examples for scrape-examples
[INFO] extracting crate puzzle 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate puzzle 0.1.0 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 puzzle 0.1.0
[INFO] finished tweaking crates.io crate puzzle 0.1.0
[INFO] tweaked toml for crates.io crate puzzle 0.1.0 written to /workspace/builds/worker-7/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-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" "+6ee483316d2e4581572121d60a955affb2032eb3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04948906c2f381af86e2aa44b7f6615da74e7f0dca4199027955558b082d95db
[INFO] running `Command { std: "docker" "start" "-a" "04948906c2f381af86e2aa44b7f6615da74e7f0dca4199027955558b082d95db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04948906c2f381af86e2aa44b7f6615da74e7f0dca4199027955558b082d95db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04948906c2f381af86e2aa44b7f6615da74e7f0dca4199027955558b082d95db", kill_on_drop: false }`
[INFO] [stdout] 04948906c2f381af86e2aa44b7f6615da74e7f0dca4199027955558b082d95db
[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" "+6ee483316d2e4581572121d60a955affb2032eb3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json" "-Zrustdoc-scrape-examples", kill_on_drop: false }`
[INFO] [stdout] 7685157b35a67004030607cf2ced69749b1eca723150e513a8ea4bcf1cf3d9fe
[INFO] running `Command { std: "docker" "start" "-a" "7685157b35a67004030607cf2ced69749b1eca723150e513a8ea4bcf1cf3d9fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]    Compiling puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Scraping puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: failed to scan lib in package `puzzle` for example code usage
[INFO] [stderr]     Try running with `--verbose` to see the error message.
[INFO] [stderr]     If an example or library should not be scanned, then consider adding `doc-scrape-examples = false` to its `[[example]]` or `[lib]` definition in Cargo.toml
[INFO] [stderr] warning: `puzzle` (lib) generated 1 warning
[INFO] [stderr]  Documenting puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "7685157b35a67004030607cf2ced69749b1eca723150e513a8ea4bcf1cf3d9fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7685157b35a67004030607cf2ced69749b1eca723150e513a8ea4bcf1cf3d9fe", kill_on_drop: false }`
[INFO] [stdout] 7685157b35a67004030607cf2ced69749b1eca723150e513a8ea4bcf1cf3d9fe
[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" "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" "+6ee483316d2e4581572121d60a955affb2032eb3" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json" "-Zrustdoc-scrape-examples", kill_on_drop: false }`
[INFO] [stdout] fe40039676e85b34d35a102aca2d69c014dd1dd387f1b592a6de09bad3b0ad3c
[INFO] running `Command { std: "docker" "start" "-a" "fe40039676e85b34d35a102aca2d69c014dd1dd387f1b592a6de09bad3b0ad3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Scraping puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: failed to scan lib in package `puzzle` for example code usage
[INFO] [stderr]     Try running with `--verbose` to see the error message.
[INFO] [stderr]     If an example or library should not be scanned, then consider adding `doc-scrape-examples = false` to its `[[example]]` or `[lib]` definition in Cargo.toml
[INFO] [stderr] warning: `puzzle` (lib) generated 1 warning
[INFO] [stderr]  Documenting puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "fe40039676e85b34d35a102aca2d69c014dd1dd387f1b592a6de09bad3b0ad3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe40039676e85b34d35a102aca2d69c014dd1dd387f1b592a6de09bad3b0ad3c", kill_on_drop: false }`
[INFO] [stdout] fe40039676e85b34d35a102aca2d69c014dd1dd387f1b592a6de09bad3b0ad3c