[INFO] fetching crate tarpaulin 0.1.0...
[INFO] documenting tarpaulin-0.1.0 against try#6ee483316d2e4581572121d60a955affb2032eb3+cargoflags=-Zrustdoc-scrape-examples for scrape-examples
[INFO] extracting crate tarpaulin 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate tarpaulin 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 tarpaulin 0.1.0
[INFO] finished tweaking crates.io crate tarpaulin 0.1.0
[INFO] tweaked toml for crates.io crate tarpaulin 0.1.0 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] bfc8088576abed4ca5f6891f7edf889367f79b6bb2e9888f7abd8264ab168c38
[INFO] running `Command { std: "docker" "start" "-a" "bfc8088576abed4ca5f6891f7edf889367f79b6bb2e9888f7abd8264ab168c38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfc8088576abed4ca5f6891f7edf889367f79b6bb2e9888f7abd8264ab168c38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc8088576abed4ca5f6891f7edf889367f79b6bb2e9888f7abd8264ab168c38", kill_on_drop: false }`
[INFO] [stdout] bfc8088576abed4ca5f6891f7edf889367f79b6bb2e9888f7abd8264ab168c38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 648d045cd011860eeccdd14f144b926199d85175d63186d7dd26dc6894d70d4c
[INFO] running `Command { std: "docker" "start" "-a" "648d045cd011860eeccdd14f144b926199d85175d63186d7dd26dc6894d70d4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling serde v1.0.150
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.150
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking two-lock-queue v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tarpc-plugins v0.2.0
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr] warning: failed to check lib in package `tarpc-plugins` 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/tarpc-plugins-0.2.0/Cargo.toml
[INFO] [stderr] warning: `tarpc-plugins` (lib) generated 1 warning
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.14.0
[INFO] [stderr]     Checking net2 v0.2.38
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking thread-pool v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking bincode v0.8.0
[INFO] [stderr]     Checking tarpc v0.9.0
[INFO] [stderr]     Scraping tarpaulin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting tarpaulin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.30s
[INFO] running `Command { std: "docker" "inspect" "648d045cd011860eeccdd14f144b926199d85175d63186d7dd26dc6894d70d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "648d045cd011860eeccdd14f144b926199d85175d63186d7dd26dc6894d70d4c", kill_on_drop: false }`
[INFO] [stdout] 648d045cd011860eeccdd14f144b926199d85175d63186d7dd26dc6894d70d4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 4e4fdf79d36a1218f3022c1446ab2d561daf1c7bcb79d0ab0e258fc59ccbb2d1
[INFO] running `Command { std: "docker" "start" "-a" "4e4fdf79d36a1218f3022c1446ab2d561daf1c7bcb79d0ab0e258fc59ccbb2d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling tarpc-plugins v0.2.0
[INFO] [stderr] warning: failed to check lib in package `tarpc-plugins` 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/tarpc-plugins-0.2.0/Cargo.toml
[INFO] [stderr] warning: `tarpc-plugins` (lib) generated 1 warning
[INFO] [stderr]     Checking tarpc v0.9.0
[INFO] [stderr]     Scraping tarpaulin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting tarpaulin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "4e4fdf79d36a1218f3022c1446ab2d561daf1c7bcb79d0ab0e258fc59ccbb2d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e4fdf79d36a1218f3022c1446ab2d561daf1c7bcb79d0ab0e258fc59ccbb2d1", kill_on_drop: false }`
[INFO] [stdout] 4e4fdf79d36a1218f3022c1446ab2d561daf1c7bcb79d0ab0e258fc59ccbb2d1