[INFO] fetching crate covid_cert_uvci 0.2.1...
[INFO] documenting covid_cert_uvci-0.2.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate covid_cert_uvci 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate covid_cert_uvci 0.2.1 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate covid_cert_uvci 0.2.1
[INFO] finished tweaking crates.io crate covid_cert_uvci 0.2.1
[INFO] tweaked toml for crates.io crate covid_cert_uvci 0.2.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate covid_cert_uvci 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded luhn-rs v0.0.1
[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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c80b37925c0ce1f0d1a811ce0bbd2d7fce9f7550fb1f10251239ad61ead5420a
[INFO] running `Command { std: "docker" "start" "-a" "c80b37925c0ce1f0d1a811ce0bbd2d7fce9f7550fb1f10251239ad61ead5420a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c80b37925c0ce1f0d1a811ce0bbd2d7fce9f7550fb1f10251239ad61ead5420a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c80b37925c0ce1f0d1a811ce0bbd2d7fce9f7550fb1f10251239ad61ead5420a", kill_on_drop: false }`
[INFO] [stdout] c80b37925c0ce1f0d1a811ce0bbd2d7fce9f7550fb1f10251239ad61ead5420a
[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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f30a0efad3497deae4f17fb898410a6d17f7326ef04f45d5de544971a2e4a569
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f30a0efad3497deae4f17fb898410a6d17f7326ef04f45d5de544971a2e4a569", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking luhn-rs v0.0.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]  Documenting covid_cert_uvci v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> src/lib.rs:248:5
[INFO] [stdout]     |
[INFO] [stdout] 248 |   /// ```no_run
[INFO] [stdout]     |  _____^
[INFO] [stdout] 249 | | /// // URN:UVCI:01:SE:EHM/V12916227TFJJ#Q
[INFO] [stdout] 250 | | /// // version                  : 1
[INFO] [stdout] 251 | | /// // country                  : SE
[INFO] [stdout] ...   |
[INFO] [stdout] 277 | | /// // checksum_verification    : true
[INFO] [stdout] 278 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.15s
[INFO] running `Command { std: "docker" "inspect" "f30a0efad3497deae4f17fb898410a6d17f7326ef04f45d5de544971a2e4a569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f30a0efad3497deae4f17fb898410a6d17f7326ef04f45d5de544971a2e4a569", kill_on_drop: false }`
[INFO] [stdout] f30a0efad3497deae4f17fb898410a6d17f7326ef04f45d5de544971a2e4a569
[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=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0584ac00bcf7fa2702a9c58e149b03c91b8d925694e08130d9ca1cfbc9644a2f
[INFO] running `Command { std: "docker" "start" "-a" "0584ac00bcf7fa2702a9c58e149b03c91b8d925694e08130d9ca1cfbc9644a2f", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking luhn-rs v0.0.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]  Documenting covid_cert_uvci v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> src/lib.rs:248:5
[INFO] [stdout]     |
[INFO] [stdout] 248 |   /// ```no_run
[INFO] [stdout]     |  _____^
[INFO] [stdout] 249 | | /// // URN:UVCI:01:SE:EHM/V12916227TFJJ#Q
[INFO] [stdout] 250 | | /// // version                  : 1
[INFO] [stdout] 251 | | /// // country                  : SE
[INFO] [stdout] ...   |
[INFO] [stdout] 277 | | /// // checksum_verification    : true
[INFO] [stdout] 278 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.79s
[INFO] running `Command { std: "docker" "inspect" "0584ac00bcf7fa2702a9c58e149b03c91b8d925694e08130d9ca1cfbc9644a2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0584ac00bcf7fa2702a9c58e149b03c91b8d925694e08130d9ca1cfbc9644a2f", kill_on_drop: false }`
[INFO] [stdout] 0584ac00bcf7fa2702a9c58e149b03c91b8d925694e08130d9ca1cfbc9644a2f