[INFO] fetching crate easy_reader 0.5.1...
[INFO] documenting easy_reader-0.5.1 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate easy_reader 0.5.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate easy_reader 0.5.1 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 easy_reader 0.5.1
[INFO] finished tweaking crates.io crate easy_reader 0.5.1
[INFO] tweaked toml for crates.io crate easy_reader 0.5.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] c9716e6364bd24d7b53ec3b95aab9de6dfc1d708425321972197a6aa9d1fd3df
[INFO] running `Command { std: "docker" "start" "-a" "c9716e6364bd24d7b53ec3b95aab9de6dfc1d708425321972197a6aa9d1fd3df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9716e6364bd24d7b53ec3b95aab9de6dfc1d708425321972197a6aa9d1fd3df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9716e6364bd24d7b53ec3b95aab9de6dfc1d708425321972197a6aa9d1fd3df", kill_on_drop: false }`
[INFO] [stdout] c9716e6364bd24d7b53ec3b95aab9de6dfc1d708425321972197a6aa9d1fd3df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] b2dc8cbe8aa98cbd55e497d6e8debb606f2c28cab998ddbb2151ef03f08b8cfe
[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" "b2dc8cbe8aa98cbd55e497d6e8debb606f2c28cab998ddbb2151ef03f08b8cfe", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]  Documenting easy_reader v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:13:104
[INFO] [stdout]    |
[INFO] [stdout] 13 | ...y line only through Lines (https://doc.rust-lang.org/std/io/trait.BufRead.html#method.lines), with which is impossible (or very expens...
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://doc.rust-lang.org/std/io/trait.BufRead.html#method.lines>`
[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 3.21s
[INFO] running `Command { std: "docker" "inspect" "b2dc8cbe8aa98cbd55e497d6e8debb606f2c28cab998ddbb2151ef03f08b8cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2dc8cbe8aa98cbd55e497d6e8debb606f2c28cab998ddbb2151ef03f08b8cfe", kill_on_drop: false }`
[INFO] [stdout] b2dc8cbe8aa98cbd55e497d6e8debb606f2c28cab998ddbb2151ef03f08b8cfe
