[INFO] fetching crate backtrace 0.3.65...
[INFO] documenting backtrace-0.3.65 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate backtrace 0.3.65 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate backtrace 0.3.65 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 backtrace 0.3.65
[INFO] removed 0 missing examples
[INFO] removed 1 missing tests
[INFO] finished tweaking crates.io crate backtrace 0.3.65
[INFO] tweaked toml for crates.io crate backtrace 0.3.65 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate crates.io crate backtrace 0.3.65 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] a25fd87234e2e99d051496493bd2a9b8da55545e05586413ba17393039c0a835
[INFO] running `Command { std: "docker" "start" "-a" "a25fd87234e2e99d051496493bd2a9b8da55545e05586413ba17393039c0a835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a25fd87234e2e99d051496493bd2a9b8da55545e05586413ba17393039c0a835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a25fd87234e2e99d051496493bd2a9b8da55545e05586413ba17393039c0a835", kill_on_drop: false }`
[INFO] [stdout] a25fd87234e2e99d051496493bd2a9b8da55545e05586413ba17393039c0a835
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 5e04c06e247a70b9b0115697e1c2f29fc1157fa3af9f3dbce8fce72599e256e4
[INFO] running `Command { std: "docker" "start" "-a" "5e04c06e247a70b9b0115697e1c2f29fc1157fa3af9f3dbce8fce72599e256e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking object v0.28.3
[INFO] [stderr]    Compiling backtrace v0.3.65 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]  Documenting backtrace v0.3.65 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/symbolize/gimli/elf.rs:306:5
[INFO] [stdout]     |
[INFO] [stdout] 306 | /// https://sourceware.org/gdb/onlinedocs/gdb/Separate-Debug-Files.html
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://sourceware.org/gdb/onlinedocs/gdb/Separate-Debug-Files.html>`
[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/symbolize/gimli/elf.rs:347:5
[INFO] [stdout]     |
[INFO] [stdout] 347 | /// https://sourceware.org/gdb/onlinedocs/gdb/Separate-Debug-Files.html
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://sourceware.org/gdb/onlinedocs/gdb/Separate-Debug-Files.html>`
[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 5.54s
[INFO] running `Command { std: "docker" "inspect" "5e04c06e247a70b9b0115697e1c2f29fc1157fa3af9f3dbce8fce72599e256e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e04c06e247a70b9b0115697e1c2f29fc1157fa3af9f3dbce8fce72599e256e4", kill_on_drop: false }`
[INFO] [stdout] 5e04c06e247a70b9b0115697e1c2f29fc1157fa3af9f3dbce8fce72599e256e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 9298e99eb08abebf9c89fb9c16fdd44d3089a1602b82fe2906231d5d2bf79613
[INFO] running `Command { std: "docker" "start" "-a" "9298e99eb08abebf9c89fb9c16fdd44d3089a1602b82fe2906231d5d2bf79613", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]    Compiling backtrace v0.3.65 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking object v0.28.3
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]  Documenting backtrace v0.3.65 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.71s
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/symbolize/gimli/elf.rs:306:5
[INFO] [stdout]     |
[INFO] [stdout] 306 | /// https://sourceware.org/gdb/onlinedocs/gdb/Separate-Debug-Files.html
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://sourceware.org/gdb/onlinedocs/gdb/Separate-Debug-Files.html>`
[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/symbolize/gimli/elf.rs:347:5
[INFO] [stdout]     |
[INFO] [stdout] 347 | /// https://sourceware.org/gdb/onlinedocs/gdb/Separate-Debug-Files.html
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://sourceware.org/gdb/onlinedocs/gdb/Separate-Debug-Files.html>`
[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] running `Command { std: "docker" "inspect" "9298e99eb08abebf9c89fb9c16fdd44d3089a1602b82fe2906231d5d2bf79613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9298e99eb08abebf9c89fb9c16fdd44d3089a1602b82fe2906231d5d2bf79613", kill_on_drop: false }`
[INFO] [stdout] 9298e99eb08abebf9c89fb9c16fdd44d3089a1602b82fe2906231d5d2bf79613