[INFO] fetching crate hd-ed25519 0.0.1... [INFO] documenting hd-ed25519-0.0.1 against try#6ee483316d2e4581572121d60a955affb2032eb3+cargoflags=-Zrustdoc-scrape-examples for scrape-examples [INFO] extracting crate hd-ed25519 0.0.1 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate hd-ed25519 0.0.1 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 hd-ed25519 0.0.1 [INFO] finished tweaking crates.io crate hd-ed25519 0.0.1 [INFO] tweaked toml for crates.io crate hd-ed25519 0.0.1 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] 92c270a4ad4af72de8357f10a53e5da5b6b20a244d53c7432859b54ba35462e1 [INFO] running `Command { std: "docker" "start" "-a" "92c270a4ad4af72de8357f10a53e5da5b6b20a244d53c7432859b54ba35462e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "92c270a4ad4af72de8357f10a53e5da5b6b20a244d53c7432859b54ba35462e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92c270a4ad4af72de8357f10a53e5da5b6b20a244d53c7432859b54ba35462e1", kill_on_drop: false }` [INFO] [stdout] 92c270a4ad4af72de8357f10a53e5da5b6b20a244d53c7432859b54ba35462e1 [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] 5d141153b2cd2ee76c7e1b7d9bcba846b46af25aae48194d0cee858ab03d6e0f [INFO] running `Command { std: "docker" "start" "-a" "5d141153b2cd2ee76c7e1b7d9bcba846b46af25aae48194d0cee858ab03d6e0f", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stderr] Compiling cc v1.0.77 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling subtle v2.4.1 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] warning: failed to check lib in package `rand` as a prerequisite for scraping examples from: lib [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 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.5.6/Cargo.toml [INFO] [stderr] warning: `rand` (lib) generated 1 warning [INFO] [stderr] Compiling clear_on_drop v0.2.5 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking sha2 v0.8.2 [INFO] [stderr] Compiling curve25519-dalek v1.2.6 [INFO] [stderr] Checking ed25519-dalek v1.0.0-pre.2 [INFO] [stderr] Scraping hd-ed25519 v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: failed to scan lib in package `hd-ed25519` 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: `hd-ed25519` (lib) generated 1 warning [INFO] [stderr] Documenting hd-ed25519 v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.98s [INFO] running `Command { std: "docker" "inspect" "5d141153b2cd2ee76c7e1b7d9bcba846b46af25aae48194d0cee858ab03d6e0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d141153b2cd2ee76c7e1b7d9bcba846b46af25aae48194d0cee858ab03d6e0f", kill_on_drop: false }` [INFO] [stdout] 5d141153b2cd2ee76c7e1b7d9bcba846b46af25aae48194d0cee858ab03d6e0f [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" "-Zrustdoc-scrape-examples", kill_on_drop: false }` [INFO] [stdout] 9f843b9dcf2fc460265f96f0f52d8f002ee9ffb736604acfc6ca896587e5ace6 [INFO] running `Command { std: "docker" "start" "-a" "9f843b9dcf2fc460265f96f0f52d8f002ee9ffb736604acfc6ca896587e5ace6", kill_on_drop: false }` [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] warning: failed to check lib in package `rand` as a prerequisite for scraping examples from: lib [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 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.5.6/Cargo.toml [INFO] [stderr] warning: `rand` (lib) generated 1 warning [INFO] [stderr] Scraping hd-ed25519 v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: failed to scan lib in package `hd-ed25519` 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: `hd-ed25519` (lib) generated 1 warning [INFO] [stderr] Documenting hd-ed25519 v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.92s [INFO] running `Command { std: "docker" "inspect" "9f843b9dcf2fc460265f96f0f52d8f002ee9ffb736604acfc6ca896587e5ace6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f843b9dcf2fc460265f96f0f52d8f002ee9ffb736604acfc6ca896587e5ace6", kill_on_drop: false }` [INFO] [stdout] 9f843b9dcf2fc460265f96f0f52d8f002ee9ffb736604acfc6ca896587e5ace6