[INFO] fetching crate ugli-derive 0.5.0-alpha.0...
[INFO] documenting ugli-derive-0.5.0-alpha.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate ugli-derive 0.5.0-alpha.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ugli-derive 0.5.0-alpha.0 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 ugli-derive 0.5.0-alpha.0
[INFO] finished tweaking crates.io crate ugli-derive 0.5.0-alpha.0
[INFO] tweaked toml for crates.io crate ugli-derive 0.5.0-alpha.0 written to /workspace/builds/worker-3/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 6100df04511685a5dab4b8a03077f6d0c062879db1cab99185456f1eae2ed04e
[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" "6100df04511685a5dab4b8a03077f6d0c062879db1cab99185456f1eae2ed04e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6100df04511685a5dab4b8a03077f6d0c062879db1cab99185456f1eae2ed04e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6100df04511685a5dab4b8a03077f6d0c062879db1cab99185456f1eae2ed04e", kill_on_drop: false }`
[INFO] [stdout] 6100df04511685a5dab4b8a03077f6d0c062879db1cab99185456f1eae2ed04e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 5a89bbea3b2698ac77490196a5d472135d9cac053d4ebcb927a5829e5a18f6d5
[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" "5a89bbea3b2698ac77490196a5d472135d9cac053d4ebcb927a5829e5a18f6d5", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling tinyfiledialogs v3.3.10
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]    Compiling trans-derive v0.3.0-alpha.2
[INFO] [stderr]    Compiling batbox-derive v0.5.0-alpha.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking syn v1.0.39
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking ron v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]     Checking trans v0.3.0-alpha.2
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking batbox v0.5.0-alpha.2
[INFO] [stderr]  Documenting ugli-derive v0.5.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.76s
[INFO] running `Command { std: "docker" "inspect" "5a89bbea3b2698ac77490196a5d472135d9cac053d4ebcb927a5829e5a18f6d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a89bbea3b2698ac77490196a5d472135d9cac053d4ebcb927a5829e5a18f6d5", kill_on_drop: false }`
[INFO] [stdout] 5a89bbea3b2698ac77490196a5d472135d9cac053d4ebcb927a5829e5a18f6d5