[INFO] fetching crate buddy-alloc 0.4.1...
[INFO] documenting buddy-alloc-0.4.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate buddy-alloc 0.4.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate buddy-alloc 0.4.1 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] removed /workspace/builds/worker-13/source/rust-toolchain
[INFO] started tweaking crates.io crate buddy-alloc 0.4.1
[INFO] finished tweaking crates.io crate buddy-alloc 0.4.1
[INFO] tweaked toml for crates.io crate buddy-alloc 0.4.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate buddy-alloc 0.4.1 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 oorandom v11.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] e6f38b645ce08038749804c1b0ed0a807c2d391efe7913fb5e13d2c264853411
[INFO] running `Command { std: "docker" "start" "-a" "e6f38b645ce08038749804c1b0ed0a807c2d391efe7913fb5e13d2c264853411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6f38b645ce08038749804c1b0ed0a807c2d391efe7913fb5e13d2c264853411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6f38b645ce08038749804c1b0ed0a807c2d391efe7913fb5e13d2c264853411", kill_on_drop: false }`
[INFO] [stdout] e6f38b645ce08038749804c1b0ed0a807c2d391efe7913fb5e13d2c264853411
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] ca0ddaf5a91cfafd137795110b571902aeadf32beff1a6056647fbe05e83262a
[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" "ca0ddaf5a91cfafd137795110b571902aeadf32beff1a6056647fbe05e83262a", kill_on_drop: false }`
[INFO] [stderr]  Documenting buddy-alloc v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> src/buddy_alloc.rs:2:39
[INFO] [stdout]   |
[INFO] [stdout] 2 | //! This code heavily references from https://pdos.csail.mit.edu/6.828/2019/lec/malloc.c
[INFO] [stdout]   |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://pdos.csail.mit.edu/6.828/2019/lec/malloc.c>`
[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: this URL is not a hyperlink
[INFO] [stdout]  --> src/buddy_alloc.rs:3:40
[INFO] [stdout]   |
[INFO] [stdout] 3 | //! Check wiki to learn the algorithm: https://en.wikipedia.org/wiki/Buddy_memory_allocation
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://en.wikipedia.org/wiki/Buddy_memory_allocation>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "ca0ddaf5a91cfafd137795110b571902aeadf32beff1a6056647fbe05e83262a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca0ddaf5a91cfafd137795110b571902aeadf32beff1a6056647fbe05e83262a", kill_on_drop: false }`
[INFO] [stdout] ca0ddaf5a91cfafd137795110b571902aeadf32beff1a6056647fbe05e83262a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] ae6d3adf4f74e27d972228c09a735c8759e274329916c0617c0cf74de22e2cff
[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" "ae6d3adf4f74e27d972228c09a735c8759e274329916c0617c0cf74de22e2cff", kill_on_drop: false }`
[INFO] [stderr]  Documenting buddy-alloc v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> src/buddy_alloc.rs:2:39
[INFO] [stdout]   |
[INFO] [stdout] 2 | //! This code heavily references from https://pdos.csail.mit.edu/6.828/2019/lec/malloc.c
[INFO] [stdout]   |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://pdos.csail.mit.edu/6.828/2019/lec/malloc.c>`
[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: this URL is not a hyperlink
[INFO] [stdout]  --> src/buddy_alloc.rs:3:40
[INFO] [stdout]   |
[INFO] [stdout] 3 | //! Check wiki to learn the algorithm: https://en.wikipedia.org/wiki/Buddy_memory_allocation
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://en.wikipedia.org/wiki/Buddy_memory_allocation>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "ae6d3adf4f74e27d972228c09a735c8759e274329916c0617c0cf74de22e2cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae6d3adf4f74e27d972228c09a735c8759e274329916c0617c0cf74de22e2cff", kill_on_drop: false }`
[INFO] [stdout] ae6d3adf4f74e27d972228c09a735c8759e274329916c0617c0cf74de22e2cff