[INFO] fetching crate maa 0.3.0...
[INFO] documenting maa-0.3.0 against try#6ee483316d2e4581572121d60a955affb2032eb3+cargoflags=-Zrustdoc-scrape-examples for scrape-examples
[INFO] extracting crate maa 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate maa 0.3.0 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 maa 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate maa 0.3.0
[INFO] tweaked toml for crates.io crate maa 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate maa 0.3.0 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 04200f7cfdba76011b8f3fcc257c01dc10033ba0ca216054598c4790597472bc
[INFO] running `Command { std: "docker" "start" "-a" "04200f7cfdba76011b8f3fcc257c01dc10033ba0ca216054598c4790597472bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04200f7cfdba76011b8f3fcc257c01dc10033ba0ca216054598c4790597472bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04200f7cfdba76011b8f3fcc257c01dc10033ba0ca216054598c4790597472bc", kill_on_drop: false }`
[INFO] [stdout] 04200f7cfdba76011b8f3fcc257c01dc10033ba0ca216054598c4790597472bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 956338e0ca2ca9f104ef8779150272b445f42cc9012a03b109e1e78753337b5b
[INFO] running `Command { std: "docker" "start" "-a" "956338e0ca2ca9f104ef8779150272b445f42cc9012a03b109e1e78753337b5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling maa v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `fs`, `os`
[INFO] [stdout]  --> build.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 |     env, fs, os,
[INFO] [stdout]   |          ^^  ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Scraping maa v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: failed to scan example "example" in package `maa` 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: `maa` (example "example") generated 1 warning
[INFO] [stderr] warning: failed to scan example "create_ex" in package `maa` 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: `maa` (example "create_ex") generated 1 warning
[INFO] [stderr]  Documenting maa v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "956338e0ca2ca9f104ef8779150272b445f42cc9012a03b109e1e78753337b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "956338e0ca2ca9f104ef8779150272b445f42cc9012a03b109e1e78753337b5b", kill_on_drop: false }`
[INFO] [stdout] 956338e0ca2ca9f104ef8779150272b445f42cc9012a03b109e1e78753337b5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 9f8df16685a12d6736f8bef928f14bb6662e001eee876c2f717639bdb1fb01d3
[INFO] running `Command { std: "docker" "start" "-a" "9f8df16685a12d6736f8bef928f14bb6662e001eee876c2f717639bdb1fb01d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling maa v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `fs`, `os`
[INFO] [stdout]  --> build.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 |     env, fs, os,
[INFO] [stdout]   |          ^^  ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Scraping maa v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: failed to scan example "example" in package `maa` 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: `maa` (example "example") generated 1 warning
[INFO] [stderr] warning: failed to scan example "create_ex" in package `maa` 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: `maa` (example "create_ex") generated 1 warning
[INFO] [stderr]  Documenting maa v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "9f8df16685a12d6736f8bef928f14bb6662e001eee876c2f717639bdb1fb01d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f8df16685a12d6736f8bef928f14bb6662e001eee876c2f717639bdb1fb01d3", kill_on_drop: false }`
[INFO] [stdout] 9f8df16685a12d6736f8bef928f14bb6662e001eee876c2f717639bdb1fb01d3