[INFO] fetching crate astral-string 0.0.5...
[INFO] documenting astral-string-0.0.5 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate astral-string 0.0.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate astral-string 0.0.5 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 astral-string 0.0.5
[INFO] finished tweaking crates.io crate astral-string 0.0.5
[INFO] tweaked toml for crates.io crate astral-string 0.0.5 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8f3d47f6b40566e738fe2c7abda2279a20bc3f605b6fe5ec4af2c068af1b70a3
[INFO] running `Command { std: "docker" "start" "-a" "8f3d47f6b40566e738fe2c7abda2279a20bc3f605b6fe5ec4af2c068af1b70a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f3d47f6b40566e738fe2c7abda2279a20bc3f605b6fe5ec4af2c068af1b70a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f3d47f6b40566e738fe2c7abda2279a20bc3f605b6fe5ec4af2c068af1b70a3", kill_on_drop: false }`
[INFO] [stdout] 8f3d47f6b40566e738fe2c7abda2279a20bc3f605b6fe5ec4af2c068af1b70a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 8547ecf4c3f814f186d6020827315bd6ee2806cff38d58e8f8b6f0c1032d20a8
[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" "8547ecf4c3f814f186d6020827315bd6ee2806cff38d58e8f8b6f0c1032d20a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking astral-util v0.0.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking astral-thirdparty v0.0.2
[INFO] [stderr]  Documenting astral-string v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.23s
[INFO] running `Command { std: "docker" "inspect" "8547ecf4c3f814f186d6020827315bd6ee2806cff38d58e8f8b6f0c1032d20a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8547ecf4c3f814f186d6020827315bd6ee2806cff38d58e8f8b6f0c1032d20a8", kill_on_drop: false }`
[INFO] [stdout] 8547ecf4c3f814f186d6020827315bd6ee2806cff38d58e8f8b6f0c1032d20a8