[INFO] cloning repository https://github.com/remexre/datalog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/remexre/datalog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fdatalog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fdatalog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58da741a50543d581c6f29a5a56dac7b90dec907
[INFO] documenting remexre/datalog 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%2Fremexre%2Fdatalog" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/remexre/datalog 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/remexre/datalog
[INFO] finished tweaking git repo https://github.com/remexre/datalog
[INFO] tweaked toml for git repo https://github.com/remexre/datalog written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/remexre/datalog 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 01bf5927bd7eb3b89006c9f42e28592dde2962bd0e01163ec8b6fd5e39cdf164
[INFO] running `Command { std: "docker" "start" "-a" "01bf5927bd7eb3b89006c9f42e28592dde2962bd0e01163ec8b6fd5e39cdf164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01bf5927bd7eb3b89006c9f42e28592dde2962bd0e01163ec8b6fd5e39cdf164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01bf5927bd7eb3b89006c9f42e28592dde2962bd0e01163ec8b6fd5e39cdf164", kill_on_drop: false }`
[INFO] [stdout] 01bf5927bd7eb3b89006c9f42e28592dde2962bd0e01163ec8b6fd5e39cdf164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 4d1e7c2ae96209dd9b6184f0543989bcccaf023f531944f6c59248cdc7816157
[INFO] running `Command { std: "docker" "start" "-a" "4d1e7c2ae96209dd9b6184f0543989bcccaf023f531944f6c59248cdc7816157", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]    Compiling pest v1.0.2
[INFO] [stderr]     Checking spin v0.4.6
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking bytecount v0.1.7
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking itertools v0.7.6
[INFO] [stderr]     Checking try_opt v0.1.1
[INFO] [stderr]     Checking symbol v0.1.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking clap v2.29.2
[INFO] [stderr]     Checking sparkly v0.1.4
[INFO] [stderr]     Checking liner v0.4.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[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-0.4.4/Cargo.toml
[INFO] [stderr] warning: `liner` (lib) generated 1 warning
[INFO] [stderr]    Compiling pest_derive v1.0.2
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Scraping datalog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting datalog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.78s
[INFO] running `Command { std: "docker" "inspect" "4d1e7c2ae96209dd9b6184f0543989bcccaf023f531944f6c59248cdc7816157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d1e7c2ae96209dd9b6184f0543989bcccaf023f531944f6c59248cdc7816157", kill_on_drop: false }`
[INFO] [stdout] 4d1e7c2ae96209dd9b6184f0543989bcccaf023f531944f6c59248cdc7816157
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 833c7aad2f28036a791eb7dca8bcd00355af322842d02bdaa6e951423360886a
[INFO] running `Command { std: "docker" "start" "-a" "833c7aad2f28036a791eb7dca8bcd00355af322842d02bdaa6e951423360886a", kill_on_drop: false }`
[INFO] [stderr]     Checking liner v0.4.4
[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-0.4.4/Cargo.toml
[INFO] [stderr] warning: `liner` (lib) generated 1 warning
[INFO] [stderr]     Scraping datalog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting datalog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "833c7aad2f28036a791eb7dca8bcd00355af322842d02bdaa6e951423360886a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "833c7aad2f28036a791eb7dca8bcd00355af322842d02bdaa6e951423360886a", kill_on_drop: false }`
[INFO] [stdout] 833c7aad2f28036a791eb7dca8bcd00355af322842d02bdaa6e951423360886a