[INFO] fetching crate cargo-hf2 0.3.0...
[INFO] documenting cargo-hf2-0.3.0 against beta-2020-10-09 for beta-1.48-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 beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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" "+beta-2020-10-09" "fetch" "--locked" "--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-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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c33a9724ae6ef577d2d5f5c4a2fb90249e0a5e1ad006d863674fb56d1e2fee6
[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" "6c33a9724ae6ef577d2d5f5c4a2fb90249e0a5e1ad006d863674fb56d1e2fee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c33a9724ae6ef577d2d5f5c4a2fb90249e0a5e1ad006d863674fb56d1e2fee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c33a9724ae6ef577d2d5f5c4a2fb90249e0a5e1ad006d863674fb56d1e2fee6", kill_on_drop: false }`
[INFO] [stdout] 6c33a9724ae6ef577d2d5f5c4a2fb90249e0a5e1ad006d863674fb56d1e2fee6
[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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d90dfd59129e3489c848e45e04e1058a54897170bc42405d41b6d85f3073cb8a
[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" "d90dfd59129e3489c848e45e04e1058a54897170bc42405d41b6d85f3073cb8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking crc-any v2.3.5
[INFO] [stderr]    Compiling hidapi v1.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking backtrace v0.3.50
[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]     Checking clap v2.33.3
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking rustc-cfg v0.4.0
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking goblin v0.2.3
[INFO] [stderr]     Checking structopt v0.3.16
[INFO] [stderr]     Checking toml v0.4.10
[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 27.91s
[INFO] running `Command { std: "docker" "inspect" "d90dfd59129e3489c848e45e04e1058a54897170bc42405d41b6d85f3073cb8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d90dfd59129e3489c848e45e04e1058a54897170bc42405d41b6d85f3073cb8a", kill_on_drop: false }`
[INFO] [stdout] d90dfd59129e3489c848e45e04e1058a54897170bc42405d41b6d85f3073cb8a
