[INFO] fetching crate base64 0.13.0...
[INFO] documenting base64-0.13.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate base64 0.13.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate base64 0.13.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate base64 0.13.0
[INFO] finished tweaking crates.io crate base64 0.13.0
[INFO] tweaked toml for crates.io crate base64 0.13.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate base64 0.13.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 4d4ac0179942a4fb40c813a41f5bac8e0050bcc0f652ed43df57a76ce32ef242
[INFO] running `Command { std: "docker" "start" "-a" "4d4ac0179942a4fb40c813a41f5bac8e0050bcc0f652ed43df57a76ce32ef242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d4ac0179942a4fb40c813a41f5bac8e0050bcc0f652ed43df57a76ce32ef242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d4ac0179942a4fb40c813a41f5bac8e0050bcc0f652ed43df57a76ce32ef242", kill_on_drop: false }`
[INFO] [stdout] 4d4ac0179942a4fb40c813a41f5bac8e0050bcc0f652ed43df57a76ce32ef242
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ede813baf60798d241851aff1c6febfd1b6f14e871fc0bf0a2c58132f491902
[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" "3ede813baf60798d241851aff1c6febfd1b6f14e871fc0bf0a2c58132f491902", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting base64 v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/write/encoder.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     /// https://github.com/rust-lang/rust/issues/56889 for more on that.
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/rust-lang/rust/issues/56889>`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:69:5
[INFO] [stdout]     |
[INFO] [stdout] 69  |     warnings
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(rustdoc::bare_urls)]` implied by `#[warn(warnings)]`
[INFO] [stdout]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "3ede813baf60798d241851aff1c6febfd1b6f14e871fc0bf0a2c58132f491902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ede813baf60798d241851aff1c6febfd1b6f14e871fc0bf0a2c58132f491902", kill_on_drop: false }`
[INFO] [stdout] 3ede813baf60798d241851aff1c6febfd1b6f14e871fc0bf0a2c58132f491902
