[INFO] fetching crate html-minifier 3.0.15...
[INFO] documenting html-minifier-3.0.15 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate html-minifier 3.0.15 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate html-minifier 3.0.15 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 html-minifier 3.0.15
[INFO] finished tweaking crates.io crate html-minifier 3.0.15
[INFO] tweaked toml for crates.io crate html-minifier 3.0.15 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 9159d25dc7426de7eff989d84c781cae7a0c1a49c2f68e1ed88f29e5fe33ac46
[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" "9159d25dc7426de7eff989d84c781cae7a0c1a49c2f68e1ed88f29e5fe33ac46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9159d25dc7426de7eff989d84c781cae7a0c1a49c2f68e1ed88f29e5fe33ac46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9159d25dc7426de7eff989d84c781cae7a0c1a49c2f68e1ed88f29e5fe33ac46", kill_on_drop: false }`
[INFO] [stdout] 9159d25dc7426de7eff989d84c781cae7a0c1a49c2f68e1ed88f29e5fe33ac46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] fc04a4e2aaea577eb99290bc813110d863961d4c5dc1a9f2f5bed03982244474
[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" "fc04a4e2aaea577eb99290bc813110d863961d4c5dc1a9f2f5bed03982244474", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking macro-utils v0.1.3
[INFO] [stderr]     Checking utf8-width v0.1.6
[INFO] [stderr]     Checking cow-utils v0.1.2
[INFO] [stderr]     Checking minifier v0.0.43
[INFO] [stderr]     Checking html-escape v0.2.11
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling enum-ordinalize v3.1.11
[INFO] [stderr]    Compiling educe v0.4.19
[INFO] [stderr]  Documenting html-minifier v3.0.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.82s
[INFO] running `Command { std: "docker" "inspect" "fc04a4e2aaea577eb99290bc813110d863961d4c5dc1a9f2f5bed03982244474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc04a4e2aaea577eb99290bc813110d863961d4c5dc1a9f2f5bed03982244474", kill_on_drop: false }`
[INFO] [stdout] fc04a4e2aaea577eb99290bc813110d863961d4c5dc1a9f2f5bed03982244474
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2df8b47e8982c0a568a24c4f44b9212ddb0843152f5d55cd1ce2961d600542b5
[INFO] running `Command { std: "docker" "start" "-a" "2df8b47e8982c0a568a24c4f44b9212ddb0843152f5d55cd1ce2961d600542b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking macro-utils v0.1.3
[INFO] [stderr]     Checking utf8-width v0.1.6
[INFO] [stderr]     Checking cow-utils v0.1.2
[INFO] [stderr]     Checking html-escape v0.2.11
[INFO] [stderr]     Checking minifier v0.0.43
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling enum-ordinalize v3.1.11
[INFO] [stderr]    Compiling educe v0.4.19
[INFO] [stderr]  Documenting html-minifier v3.0.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.29s
[INFO] running `Command { std: "docker" "inspect" "2df8b47e8982c0a568a24c4f44b9212ddb0843152f5d55cd1ce2961d600542b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2df8b47e8982c0a568a24c4f44b9212ddb0843152f5d55cd1ce2961d600542b5", kill_on_drop: false }`
[INFO] [stdout] 2df8b47e8982c0a568a24c4f44b9212ddb0843152f5d55cd1ce2961d600542b5