[INFO] fetching crate html-minifier 3.0.7...
[INFO] documenting html-minifier-3.0.7 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate html-minifier 3.0.7 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate html-minifier 3.0.7 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate html-minifier 3.0.7
[INFO] finished tweaking crates.io crate html-minifier 3.0.7
[INFO] tweaked toml for crates.io crate html-minifier 3.0.7 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8-width v0.1.4
[INFO] [stderr]   Downloaded html-escape v0.2.6
[INFO] [stderr]   Downloaded minifier v0.0.36
[INFO] [stderr]   Downloaded macro-utils v0.1.3
[INFO] [stderr]   Downloaded educe v0.4.13
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0704da131c5b5dad9646e255ae8bde229352a4b7b419f1cc2d0a4360879eee69
[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" "0704da131c5b5dad9646e255ae8bde229352a4b7b419f1cc2d0a4360879eee69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0704da131c5b5dad9646e255ae8bde229352a4b7b419f1cc2d0a4360879eee69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0704da131c5b5dad9646e255ae8bde229352a4b7b419f1cc2d0a4360879eee69", kill_on_drop: false }`
[INFO] [stdout] 0704da131c5b5dad9646e255ae8bde229352a4b7b419f1cc2d0a4360879eee69
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 765bf3069985f4de67be359397cc4a13514ba0179a652e80fd569f781478dbcd
[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" "765bf3069985f4de67be359397cc4a13514ba0179a652e80fd569f781478dbcd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking macro-utils v0.1.3
[INFO] [stderr]     Checking utf8-width v0.1.4
[INFO] [stderr]     Checking cow-utils v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]     Checking minifier v0.0.36
[INFO] [stderr]     Checking html-escape v0.2.6
[INFO] [stderr]    Compiling enum-ordinalize v3.1.8
[INFO] [stderr]    Compiling educe v0.4.13
[INFO] [stderr]  Documenting html-minifier v3.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.44s
[INFO] running `Command { std: "docker" "inspect" "765bf3069985f4de67be359397cc4a13514ba0179a652e80fd569f781478dbcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "765bf3069985f4de67be359397cc4a13514ba0179a652e80fd569f781478dbcd", kill_on_drop: false }`
[INFO] [stdout] 765bf3069985f4de67be359397cc4a13514ba0179a652e80fd569f781478dbcd