[INFO] cloning repository https://github.com/l3kn/patchwork
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/l3kn/patchwork" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fl3kn%2Fpatchwork", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fl3kn%2Fpatchwork'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 59a7195c258bc53d61c590f3b8569dd0a28637ad
[INFO] documenting l3kn/patchwork against try#6ee483316d2e4581572121d60a955affb2032eb3+cargoflags=-Zrustdoc-scrape-examples for scrape-examples
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fl3kn%2Fpatchwork" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/l3kn/patchwork 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 git repo https://github.com/l3kn/patchwork
[INFO] finished tweaking git repo https://github.com/l3kn/patchwork
[INFO] tweaked toml for git repo https://github.com/l3kn/patchwork written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/l3kn/patchwork already has a lockfile, it will not be regenerated
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d6d16d22793d49991d5dc964e453323fd1d492537e5f2e85053764f938d5876d
[INFO] running `Command { std: "docker" "start" "-a" "d6d16d22793d49991d5dc964e453323fd1d492537e5f2e85053764f938d5876d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6d16d22793d49991d5dc964e453323fd1d492537e5f2e85053764f938d5876d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6d16d22793d49991d5dc964e453323fd1d492537e5f2e85053764f938d5876d", kill_on_drop: false }`
[INFO] [stdout] d6d16d22793d49991d5dc964e453323fd1d492537e5f2e85053764f938d5876d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 72aacc1e5167ec3a9e3bcdbf9e92b1ab34f18294959ecd36f9dce9d3d2718005
[INFO] running `Command { std: "docker" "start" "-a" "72aacc1e5167ec3a9e3bcdbf9e92b1ab34f18294959ecd36f9dce9d3d2718005", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking sample v0.7.1
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr] warning: failed to check lib in package `sample` as a prerequisite for scraping examples from: bin "automaton", bin "karplus_strong_vis", bin "pluck", 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/sample-0.7.1/Cargo.toml
[INFO] [stderr] warning: `sample` (lib) generated 1 warning
[INFO] [stderr]     Checking alsa v0.2.1
[INFO] [stderr]     Checking patchwork v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Scraping patchwork v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting patchwork v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.84s
[INFO] running `Command { std: "docker" "inspect" "72aacc1e5167ec3a9e3bcdbf9e92b1ab34f18294959ecd36f9dce9d3d2718005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72aacc1e5167ec3a9e3bcdbf9e92b1ab34f18294959ecd36f9dce9d3d2718005", kill_on_drop: false }`
[INFO] [stdout] 72aacc1e5167ec3a9e3bcdbf9e92b1ab34f18294959ecd36f9dce9d3d2718005
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b9b812af787b615caea6fe3d0794a0f86972e7616a4cdbae49c407a7bae3c98d
[INFO] running `Command { std: "docker" "start" "-a" "b9b812af787b615caea6fe3d0794a0f86972e7616a4cdbae49c407a7bae3c98d", kill_on_drop: false }`
[INFO] [stderr]     Checking sample v0.7.1
[INFO] [stderr] warning: failed to check lib in package `sample` 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/sample-0.7.1/Cargo.toml
[INFO] [stderr] warning: `sample` (lib) generated 1 warning
[INFO] [stderr]     Scraping patchwork v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting patchwork v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "b9b812af787b615caea6fe3d0794a0f86972e7616a4cdbae49c407a7bae3c98d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9b812af787b615caea6fe3d0794a0f86972e7616a4cdbae49c407a7bae3c98d", kill_on_drop: false }`
[INFO] [stdout] b9b812af787b615caea6fe3d0794a0f86972e7616a4cdbae49c407a7bae3c98d