[INFO] cloning repository https://github.com/donniemattingly/fingerprint
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/donniemattingly/fingerprint" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdonniemattingly%2Ffingerprint", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdonniemattingly%2Ffingerprint'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a58e4ef8e0c3f5f041c2ddc4b9d23b0fd085aee8
[INFO] documenting donniemattingly/fingerprint 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%2Fdonniemattingly%2Ffingerprint" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/donniemattingly/fingerprint 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/donniemattingly/fingerprint
[INFO] finished tweaking git repo https://github.com/donniemattingly/fingerprint
[INFO] tweaked toml for git repo https://github.com/donniemattingly/fingerprint written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/donniemattingly/fingerprint 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-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] c899cbcc4d269f83907ed0c90c00645407fb8151202b5384185a4b92a0e0aa65
[INFO] running `Command { std: "docker" "start" "-a" "c899cbcc4d269f83907ed0c90c00645407fb8151202b5384185a4b92a0e0aa65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c899cbcc4d269f83907ed0c90c00645407fb8151202b5384185a4b92a0e0aa65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c899cbcc4d269f83907ed0c90c00645407fb8151202b5384185a4b92a0e0aa65", kill_on_drop: false }`
[INFO] [stdout] c899cbcc4d269f83907ed0c90c00645407fb8151202b5384185a4b92a0e0aa65
[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] 88f950008387a264df7bef0ba65d98530e7f1a5aba8b0b35094c7c432beab85d
[INFO] running `Command { std: "docker" "start" "-a" "88f950008387a264df7bef0ba65d98530e7f1a5aba8b0b35094c7c432beab85d", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.2.1
[INFO] [stderr]     Checking libc v0.2.38
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling cc v1.0.5
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking crossbeam-epoch v0.3.0
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]     Checking rayon v1.0.0
[INFO] [stderr]     Checking deflate v0.7.17
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking num-complex v0.1.42
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking nalgebra v0.5.1
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.10
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking serde_yaml v0.7.3
[INFO] [stderr]     Checking serde-value v0.5.1
[INFO] [stderr]     Checking alga v0.5.3
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking nalgebra v0.13.1
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking streaming-stats v0.1.28
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]     Checking rustfft v2.0.0
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking hound v3.3.1
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking goertzel v0.2.0
[INFO] [stderr] warning: failed to check lib in package `nalgebra` 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/nalgebra-0.13.1/Cargo.toml
[INFO] [stderr] warning: `nalgebra` (lib) generated 1 warning
[INFO] [stderr]     Checking log4rs v0.8.0
[INFO] [stderr]     Checking apodize v0.2.0
[INFO] [stderr]     Scraping fingerprint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting fingerprint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.21s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "88f950008387a264df7bef0ba65d98530e7f1a5aba8b0b35094c7c432beab85d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88f950008387a264df7bef0ba65d98530e7f1a5aba8b0b35094c7c432beab85d", kill_on_drop: false }`
[INFO] [stdout] 88f950008387a264df7bef0ba65d98530e7f1a5aba8b0b35094c7c432beab85d
[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] 0d5675d2b54f8c2be36a5e829fadcf5275a13f2ad8d58a4af52c0354ff1f22e1
[INFO] running `Command { std: "docker" "start" "-a" "0d5675d2b54f8c2be36a5e829fadcf5275a13f2ad8d58a4af52c0354ff1f22e1", kill_on_drop: false }`
[INFO] [stderr]     Checking nalgebra v0.13.1
[INFO] [stderr] warning: failed to check lib in package `nalgebra` 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/nalgebra-0.13.1/Cargo.toml
[INFO] [stderr] warning: `nalgebra` (lib) generated 1 warning
[INFO] [stderr]     Scraping fingerprint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting fingerprint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "0d5675d2b54f8c2be36a5e829fadcf5275a13f2ad8d58a4af52c0354ff1f22e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d5675d2b54f8c2be36a5e829fadcf5275a13f2ad8d58a4af52c0354ff1f22e1", kill_on_drop: false }`
[INFO] [stdout] 0d5675d2b54f8c2be36a5e829fadcf5275a13f2ad8d58a4af52c0354ff1f22e1