[INFO] fetching crate zeebest 0.20.0...
[INFO] documenting zeebest-0.20.0 against try#6ee483316d2e4581572121d60a955affb2032eb3+cargoflags=-Zrustdoc-scrape-examples for scrape-examples
[INFO] extracting crate zeebest 0.20.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate zeebest 0.20.0 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 zeebest 0.20.0
[INFO] finished tweaking crates.io crate zeebest 0.20.0
[INFO] tweaked toml for crates.io crate zeebest 0.20.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate zeebest 0.20.0 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] 4ea078d97501cd25dd62242da719bd8017249fe5a0344bfc475a4e756b815d11
[INFO] running `Command { std: "docker" "start" "-a" "4ea078d97501cd25dd62242da719bd8017249fe5a0344bfc475a4e756b815d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ea078d97501cd25dd62242da719bd8017249fe5a0344bfc475a4e756b815d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ea078d97501cd25dd62242da719bd8017249fe5a0344bfc475a4e756b815d11", kill_on_drop: false }`
[INFO] [stdout] 4ea078d97501cd25dd62242da719bd8017249fe5a0344bfc475a4e756b815d11
[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] 90b90a4172f05c48651deca857e4562653ef5d7043897e64ddea96dcf313ea22
[INFO] running `Command { std: "docker" "start" "-a" "90b90a4172f05c48651deca857e4562653ef5d7043897e64ddea96dcf313ea22", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling protoc v2.8.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking tls-api v0.1.22
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling serde v1.0.100
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling rand v0.7.1
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling httpbis v0.7.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking tls-api-stub v0.1.22
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking tokio-tls-api v0.1.22
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking safemem v0.3.2
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking backtrace v0.3.37
[INFO] [stderr]     Checking tokio-uds v0.1.7
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking grpc v0.6.1
[INFO] [stderr]    Compiling protobuf-codegen v2.8.1
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]    Compiling protoc-rust v2.8.1
[INFO] [stderr]    Compiling grpc-compiler v0.6.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling protoc-rust-grpc v0.6.1
[INFO] [stderr]    Compiling zeebest v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Scraping zeebest v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting zeebest v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.51s
[INFO] running `Command { std: "docker" "inspect" "90b90a4172f05c48651deca857e4562653ef5d7043897e64ddea96dcf313ea22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90b90a4172f05c48651deca857e4562653ef5d7043897e64ddea96dcf313ea22", kill_on_drop: false }`
[INFO] [stdout] 90b90a4172f05c48651deca857e4562653ef5d7043897e64ddea96dcf313ea22
[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" "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] 20002a255534ae4f8d679d821901be0b1ed774542c3373930749cd00c9bf2c83
[INFO] running `Command { std: "docker" "start" "-a" "20002a255534ae4f8d679d821901be0b1ed774542c3373930749cd00c9bf2c83", kill_on_drop: false }`
[INFO] [stderr]    Compiling zeebest v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Scraping zeebest v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting zeebest v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "20002a255534ae4f8d679d821901be0b1ed774542c3373930749cd00c9bf2c83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20002a255534ae4f8d679d821901be0b1ed774542c3373930749cd00c9bf2c83", kill_on_drop: false }`
[INFO] [stdout] 20002a255534ae4f8d679d821901be0b1ed774542c3373930749cd00c9bf2c83