[INFO] fetching crate covid_cert_uvci 0.2.1...
[INFO] documenting covid_cert_uvci-0.2.1 against beta-2022-05-20 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 beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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" "+beta-2022-05-20" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb2c398d3e5e40966d9d1433ba1f23ccb1748829cf238088b3e8f4460a9d123f
[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" "eb2c398d3e5e40966d9d1433ba1f23ccb1748829cf238088b3e8f4460a9d123f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb2c398d3e5e40966d9d1433ba1f23ccb1748829cf238088b3e8f4460a9d123f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb2c398d3e5e40966d9d1433ba1f23ccb1748829cf238088b3e8f4460a9d123f", kill_on_drop: false }`
[INFO] [stdout] eb2c398d3e5e40966d9d1433ba1f23ccb1748829cf238088b3e8f4460a9d123f
[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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f327896e6d307d91966c322e8471451c3ed3286b876070e4bba36f39f3c55f1
[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" "8f327896e6d307d91966c322e8471451c3ed3286b876070e4bba36f39f3c55f1", 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" "8f327896e6d307d91966c322e8471451c3ed3286b876070e4bba36f39f3c55f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f327896e6d307d91966c322e8471451c3ed3286b876070e4bba36f39f3c55f1", kill_on_drop: false }`
[INFO] [stdout] 8f327896e6d307d91966c322e8471451c3ed3286b876070e4bba36f39f3c55f1
[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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] bf0a2758703f690a5aa5db7816da3ec0e3671b8e21636956bf00872206bbab99
[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" "bf0a2758703f690a5aa5db7816da3ec0e3671b8e21636956bf00872206bbab99", 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 4.89s
[INFO] running `Command { std: "docker" "inspect" "bf0a2758703f690a5aa5db7816da3ec0e3671b8e21636956bf00872206bbab99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf0a2758703f690a5aa5db7816da3ec0e3671b8e21636956bf00872206bbab99", kill_on_drop: false }`
[INFO] [stdout] bf0a2758703f690a5aa5db7816da3ec0e3671b8e21636956bf00872206bbab99