[INFO] fetching crate backtrace 0.3.61...
[INFO] documenting backtrace-0.3.61 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate backtrace 0.3.61 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate backtrace 0.3.61 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 backtrace 0.3.61
[INFO] removed 0 missing examples
[INFO] removed 1 missing tests
[INFO] finished tweaking crates.io crate backtrace 0.3.61
[INFO] tweaked toml for crates.io crate backtrace 0.3.61 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate backtrace 0.3.61 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] 320888a66b74944713d0970ee8c36337aa73c0e2aa880ee14652d14d2b2200dc
[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" "320888a66b74944713d0970ee8c36337aa73c0e2aa880ee14652d14d2b2200dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "320888a66b74944713d0970ee8c36337aa73c0e2aa880ee14652d14d2b2200dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "320888a66b74944713d0970ee8c36337aa73c0e2aa880ee14652d14d2b2200dc", kill_on_drop: false }`
[INFO] [stdout] 320888a66b74944713d0970ee8c36337aa73c0e2aa880ee14652d14d2b2200dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 34b4d26a4db2d4522e24ebac2ef6498dff2b5c856ee6a5be5dcd39c2091d30af
[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" "34b4d26a4db2d4522e24ebac2ef6498dff2b5c856ee6a5be5dcd39c2091d30af", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]    Compiling backtrace v0.3.61 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting backtrace v0.3.61 (/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 5.70s
[INFO] running `Command { std: "docker" "inspect" "34b4d26a4db2d4522e24ebac2ef6498dff2b5c856ee6a5be5dcd39c2091d30af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34b4d26a4db2d4522e24ebac2ef6498dff2b5c856ee6a5be5dcd39c2091d30af", kill_on_drop: false }`
[INFO] [stdout] 34b4d26a4db2d4522e24ebac2ef6498dff2b5c856ee6a5be5dcd39c2091d30af
