[INFO] fetching crate html2md 0.2.13...
[INFO] documenting html2md-0.2.13 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate html2md 0.2.13 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate html2md 0.2.13 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 html2md 0.2.13
[INFO] finished tweaking crates.io crate html2md 0.2.13
[INFO] tweaked toml for crates.io crate html2md 0.2.13 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate html2md 0.2.13 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 614053f158cdb996684f66f8f56aadf35c49d22a6fc31a90763e249a469e561e
[INFO] running `Command { std: "docker" "start" "-a" "614053f158cdb996684f66f8f56aadf35c49d22a6fc31a90763e249a469e561e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "614053f158cdb996684f66f8f56aadf35c49d22a6fc31a90763e249a469e561e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "614053f158cdb996684f66f8f56aadf35c49d22a6fc31a90763e249a469e561e", kill_on_drop: false }`
[INFO] [stdout] 614053f158cdb996684f66f8f56aadf35c49d22a6fc31a90763e249a469e561e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b2f2108af6bb3bcc1433954950ff835090e87a8470461f43fc0032ec6b53a9d7
[INFO] running `Command { std: "docker" "start" "-a" "b2f2108af6bb3bcc1433954950ff835090e87a8470461f43fc0032ec6b53a9d7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling siphasher v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.33
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking utf-8 v0.7.2
[INFO] [stderr]     Checking new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking futf v0.1.3
[INFO] [stderr]     Checking tendril v0.4.0
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling serde_derive_internals v0.21.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.33
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.11
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]  Documenting html2md v0.2.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: tendril v0.4.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b2f2108af6bb3bcc1433954950ff835090e87a8470461f43fc0032ec6b53a9d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2f2108af6bb3bcc1433954950ff835090e87a8470461f43fc0032ec6b53a9d7", kill_on_drop: false }`
[INFO] [stdout] b2f2108af6bb3bcc1433954950ff835090e87a8470461f43fc0032ec6b53a9d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 21006cd7c8f84659c346c939f2189f318250fd2bdce49382de20d296ef93e3d7
[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" "21006cd7c8f84659c346c939f2189f318250fd2bdce49382de20d296ef93e3d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling siphasher v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.33
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking utf-8 v0.7.2
[INFO] [stderr]     Checking new_debug_unreachable v1.0.3
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking futf v0.1.3
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]     Checking tendril v0.4.0
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling serde_derive_internals v0.21.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.33
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.11
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]  Documenting html2md v0.2.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: tendril v0.4.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "21006cd7c8f84659c346c939f2189f318250fd2bdce49382de20d296ef93e3d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21006cd7c8f84659c346c939f2189f318250fd2bdce49382de20d296ef93e3d7", kill_on_drop: false }`
[INFO] [stdout] 21006cd7c8f84659c346c939f2189f318250fd2bdce49382de20d296ef93e3d7