[INFO] fetching crate cargo-hf2 0.3.0...
[INFO] documenting cargo-hf2-0.3.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate cargo-hf2 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cargo-hf2 0.3.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-hf2 0.3.0
[INFO] finished tweaking crates.io crate cargo-hf2 0.3.0
[INFO] tweaked toml for crates.io crate cargo-hf2 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate cargo-hf2 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 026d1fee66d415a9b415c1a44c0c66c9f00de91d4b4886c5653a9525dda46f04
[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" "026d1fee66d415a9b415c1a44c0c66c9f00de91d4b4886c5653a9525dda46f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "026d1fee66d415a9b415c1a44c0c66c9f00de91d4b4886c5653a9525dda46f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "026d1fee66d415a9b415c1a44c0c66c9f00de91d4b4886c5653a9525dda46f04", kill_on_drop: false }`
[INFO] [stdout] 026d1fee66d415a9b415c1a44c0c66c9f00de91d4b4886c5653a9525dda46f04
[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" "+1.46.0" "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] 4e81a0faf786f125c5664daed52aa23e6dbe27ac49ded4d05ac75eb879ca987b
[INFO] running `Command { std: "docker" "start" "-a" "4e81a0faf786f125c5664daed52aa23e6dbe27ac49ded4d05ac75eb879ca987b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking crc-any v2.3.5
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling hidapi v1.2.3
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling scroll_derive v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking rustc-cfg v0.4.0
[INFO] [stderr]     Checking goblin v0.2.3
[INFO] [stderr]     Checking structopt v0.3.16
[INFO] [stderr]     Checking cargo-project v0.2.4
[INFO] [stderr]     Checking hf2 v0.3.0
[INFO] [stderr]  Documenting cargo-hf2 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.45s
[INFO] running `Command { std: "docker" "inspect" "4e81a0faf786f125c5664daed52aa23e6dbe27ac49ded4d05ac75eb879ca987b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e81a0faf786f125c5664daed52aa23e6dbe27ac49ded4d05ac75eb879ca987b", kill_on_drop: false }`
[INFO] [stdout] 4e81a0faf786f125c5664daed52aa23e6dbe27ac49ded4d05ac75eb879ca987b