[INFO] cloning repository https://github.com/planet-s/calc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/planet-s/calc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplanet-s%2Fcalc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplanet-s%2Fcalc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81efb9ff76d7315ee6e2cecb81e6fc87fa7758e1
[INFO] documenting planet-s/calc 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%2Fplanet-s%2Fcalc" "/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/planet-s/calc 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/planet-s/calc
[INFO] finished tweaking git repo https://github.com/planet-s/calc
[INFO] tweaked toml for git repo https://github.com/planet-s/calc written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/planet-s/calc 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] 7b81ca35171c0a8ffb31a44c31b635f4f9c667ac9e872bfdb25c2fda69f82418
[INFO] running `Command { std: "docker" "start" "-a" "7b81ca35171c0a8ffb31a44c31b635f4f9c667ac9e872bfdb25c2fda69f82418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b81ca35171c0a8ffb31a44c31b635f4f9c667ac9e872bfdb25c2fda69f82418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b81ca35171c0a8ffb31a44c31b635f4f9c667ac9e872bfdb25c2fda69f82418", kill_on_drop: false }`
[INFO] [stdout] 7b81ca35171c0a8ffb31a44c31b635f4f9c667ac9e872bfdb25c2fda69f82418
[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] 39c1d1c9faeddb5e63c870bf75e035c19b6576d45e29f313fc32b67ac01a58e3
[INFO] running `Command { std: "docker" "start" "-a" "39c1d1c9faeddb5e63c870bf75e035c19b6576d45e29f313fc32b67ac01a58e3", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]     Checking num-traits v0.1.41
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling cc v1.0.10
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking bitflags v1.0.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking serde v1.0.16
[INFO] [stderr]     Checking ord_subset v2.1.0
[INFO] [stderr]     Checking bytecount v0.1.7
[INFO] [stderr]     Checking clap v2.27.0
[INFO] [stderr]     Checking liner v0.4.2
[INFO] [stderr]    Compiling decimal v2.0.0
[INFO] [stderr] warning: failed to check lib in package `liner` 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/liner-0.4.2/Cargo.toml
[INFO] [stderr] warning: `liner` (lib) generated 1 warning
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking num-bigint v0.1.41
[INFO] [stderr]     Checking num-complex v0.1.41
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking num-rational v0.1.40
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking backtrace v0.3.6
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Scraping calculate v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting calculate v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.15s
[INFO] running `Command { std: "docker" "inspect" "39c1d1c9faeddb5e63c870bf75e035c19b6576d45e29f313fc32b67ac01a58e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39c1d1c9faeddb5e63c870bf75e035c19b6576d45e29f313fc32b67ac01a58e3", kill_on_drop: false }`
[INFO] [stdout] 39c1d1c9faeddb5e63c870bf75e035c19b6576d45e29f313fc32b67ac01a58e3
[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] 10c9bddcc86b31c9457ebfd004609ac6c35cc36b00965f59e0d7c2976aa4783d
[INFO] running `Command { std: "docker" "start" "-a" "10c9bddcc86b31c9457ebfd004609ac6c35cc36b00965f59e0d7c2976aa4783d", kill_on_drop: false }`
[INFO] [stderr]     Checking liner v0.4.2
[INFO] [stderr] warning: failed to check lib in package `liner` 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/liner-0.4.2/Cargo.toml
[INFO] [stderr] warning: `liner` (lib) generated 1 warning
[INFO] [stderr]     Scraping calculate v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting calculate v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "10c9bddcc86b31c9457ebfd004609ac6c35cc36b00965f59e0d7c2976aa4783d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10c9bddcc86b31c9457ebfd004609ac6c35cc36b00965f59e0d7c2976aa4783d", kill_on_drop: false }`
[INFO] [stdout] 10c9bddcc86b31c9457ebfd004609ac6c35cc36b00965f59e0d7c2976aa4783d