[INFO] fetching crate hpk 0.3.7...
[INFO] documenting hpk-0.3.7 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate hpk 0.3.7 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate hpk 0.3.7 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 hpk 0.3.7
[INFO] finished tweaking crates.io crate hpk 0.3.7
[INFO] tweaked toml for crates.io crate hpk 0.3.7 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate hpk 0.3.7 already has a lockfile, it will not be regenerated
[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 lz4 v1.23.2
[INFO] [stderr]   Downloaded lz4-sys v1.9.2
[INFO] [stderr]   Downloaded zstd-safe v2.0.4+zstd.1.4.5
[INFO] [stderr]   Downloaded zstd v0.5.2+zstd.1.4.5
[INFO] [stderr]   Downloaded lz4-compress v0.1.1
[INFO] [stderr]   Downloaded lexical-core v0.6.7
[INFO] [stderr]   Downloaded zstd-sys v1.4.16+zstd.1.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 848aaeb7dc77813b97331868cdd1b3570edbaaf1be3a1ad20e177c117cabf176
[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" "848aaeb7dc77813b97331868cdd1b3570edbaaf1be3a1ad20e177c117cabf176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "848aaeb7dc77813b97331868cdd1b3570edbaaf1be3a1ad20e177c117cabf176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "848aaeb7dc77813b97331868cdd1b3570edbaaf1be3a1ad20e177c117cabf176", kill_on_drop: false }`
[INFO] [stdout] 848aaeb7dc77813b97331868cdd1b3570edbaaf1be3a1ad20e177c117cabf176
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] b2ea818cbf8c193cc32a92fbe9af67871180d73d173bddf4a60594d016db5bdb
[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" "b2ea818cbf8c193cc32a92fbe9af67871180d73d173bddf4a60594d016db5bdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]     Checking filetime v0.2.10
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking lz4-compress v0.1.1
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling zstd-sys v1.4.16+zstd.1.4.5
[INFO] [stderr]     Checking zstd-safe v2.0.4+zstd.1.4.5
[INFO] [stderr]     Checking zstd v0.5.2+zstd.1.4.5
[INFO] [stderr]  Documenting hpk v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "b2ea818cbf8c193cc32a92fbe9af67871180d73d173bddf4a60594d016db5bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2ea818cbf8c193cc32a92fbe9af67871180d73d173bddf4a60594d016db5bdb", kill_on_drop: false }`
[INFO] [stdout] b2ea818cbf8c193cc32a92fbe9af67871180d73d173bddf4a60594d016db5bdb