[INFO] cloning repository https://github.com/dropbox/fast_rsync
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dropbox/fast_rsync" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdropbox%2Ffast_rsync", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdropbox%2Ffast_rsync'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b60db00c1980ac46edd48e174334a7b6f6bfcf1b
[INFO] documenting dropbox/fast_rsync against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdropbox%2Ffast_rsync" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dropbox/fast_rsync 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] removed /workspace/builds/worker-32/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/dropbox/fast_rsync
[INFO] finished tweaking git repo https://github.com/dropbox/fast_rsync
[INFO] tweaked toml for git repo https://github.com/dropbox/fast_rsync written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate git repo https://github.com/dropbox/fast_rsync 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/goffrie/librsync-rs`
[INFO] [stderr]     Updating git submodule `https://github.com/joshuawarner32/librsync.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded semver v1.0.6
[INFO] [stderr]   Downloaded quote v1.0.16
[INFO] [stderr]   Downloaded quickcheck_macros v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] [stdout] 9943362c5916f2dcdf17a3db63a2311b5fe19da1071c5426822c4a98cda903db
[INFO] running `Command { std: "docker" "start" "-a" "9943362c5916f2dcdf17a3db63a2311b5fe19da1071c5426822c4a98cda903db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9943362c5916f2dcdf17a3db63a2311b5fe19da1071c5426822c4a98cda903db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9943362c5916f2dcdf17a3db63a2311b5fe19da1071c5426822c4a98cda903db", kill_on_drop: false }`
[INFO] [stdout] 9943362c5916f2dcdf17a3db63a2311b5fe19da1071c5426822c4a98cda903db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] dcd48c47ba6088e8c37c0489af7659e7b53ceb69f58bca662aaeb5f92bd3bbcc
[INFO] running `Command { std: "docker" "start" "-a" "dcd48c47ba6088e8c37c0489af7659e7b53ceb69f58bca662aaeb5f92bd3bbcc", kill_on_drop: false }`
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]  Documenting fast_rsync v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> src/md4/mod.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | //! The base implementation is derived from https://github.com/RustCrypto/hashes/tree/master/md4.
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/RustCrypto/hashes/tree/master/md4.>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::bare_urls)]` on by default
[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 3.01s
[INFO] running `Command { std: "docker" "inspect" "dcd48c47ba6088e8c37c0489af7659e7b53ceb69f58bca662aaeb5f92bd3bbcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcd48c47ba6088e8c37c0489af7659e7b53ceb69f58bca662aaeb5f92bd3bbcc", kill_on_drop: false }`
[INFO] [stdout] dcd48c47ba6088e8c37c0489af7659e7b53ceb69f58bca662aaeb5f92bd3bbcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "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: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] [stdout] 8a4e5a57001d5e4ed241ff9918fd6845204e1fd807ca2833e8eaa713ee178508
[INFO] running `Command { std: "docker" "start" "-a" "8a4e5a57001d5e4ed241ff9918fd6845204e1fd807ca2833e8eaa713ee178508", kill_on_drop: false }`
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]  Documenting fast_rsync v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> src/md4/mod.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | //! The base implementation is derived from https://github.com/RustCrypto/hashes/tree/master/md4.
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/RustCrypto/hashes/tree/master/md4.>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::bare_urls)]` on by default
[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 1.44s
[INFO] running `Command { std: "docker" "inspect" "8a4e5a57001d5e4ed241ff9918fd6845204e1fd807ca2833e8eaa713ee178508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a4e5a57001d5e4ed241ff9918fd6845204e1fd807ca2833e8eaa713ee178508", kill_on_drop: false }`
[INFO] [stdout] 8a4e5a57001d5e4ed241ff9918fd6845204e1fd807ca2833e8eaa713ee178508