[INFO] fetching crate fastnbt-tools 0.8.0...
[INFO] documenting fastnbt-tools-0.8.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate fastnbt-tools 0.8.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate fastnbt-tools 0.8.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fastnbt-tools 0.8.0
[INFO] finished tweaking crates.io crate fastnbt-tools 0.8.0
[INFO] tweaked toml for crates.io crate fastnbt-tools 0.8.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate fastnbt-tools 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8800706fc70fe2e9b2ad16102f811c1b1c052d9d8eeb666756eed7c007698d1
[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" "a8800706fc70fe2e9b2ad16102f811c1b1c052d9d8eeb666756eed7c007698d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8800706fc70fe2e9b2ad16102f811c1b1c052d9d8eeb666756eed7c007698d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8800706fc70fe2e9b2ad16102f811c1b1c052d9d8eeb666756eed7c007698d1", kill_on_drop: false }`
[INFO] [stdout] a8800706fc70fe2e9b2ad16102f811c1b1c052d9d8eeb666756eed7c007698d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bed7dfd83eae165feb84a4306d48061ab1ce7de2a65a27a27d6bf89f8beb3d9
[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" "1bed7dfd83eae165feb84a4306d48061ab1ce7de2a65a27a27d6bf89f8beb3d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking weezl v0.1.1
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]     Checking image v0.23.10
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]     Checking num_enum v0.5.1
[INFO] [stderr]     Checking fastnbt v0.8.0
[INFO] [stderr]  Documenting fastnbt-tools v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.60s
[INFO] running `Command { std: "docker" "inspect" "1bed7dfd83eae165feb84a4306d48061ab1ce7de2a65a27a27d6bf89f8beb3d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bed7dfd83eae165feb84a4306d48061ab1ce7de2a65a27a27d6bf89f8beb3d9", kill_on_drop: false }`
[INFO] [stdout] 1bed7dfd83eae165feb84a4306d48061ab1ce7de2a65a27a27d6bf89f8beb3d9
