[INFO] fetching crate gltf 0.15.2...
[INFO] documenting gltf-0.15.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate gltf 0.15.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate gltf 0.15.2 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 gltf 0.15.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate gltf 0.15.2
[INFO] tweaked toml for crates.io crate gltf 0.15.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate gltf 0.15.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded png v0.16.1
[INFO] [stderr]   Downloaded image v0.23.1
[INFO] [stderr]   Downloaded deflate v0.8.3
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.18
[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] [stdout] cf3948bdcf5878e55ac049a494c9aa819febed2ec66756e1d8ac5398ebd31928
[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" "cf3948bdcf5878e55ac049a494c9aa819febed2ec66756e1d8ac5398ebd31928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf3948bdcf5878e55ac049a494c9aa819febed2ec66756e1d8ac5398ebd31928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf3948bdcf5878e55ac049a494c9aa819febed2ec66756e1d8ac5398ebd31928", kill_on_drop: false }`
[INFO] [stdout] cf3948bdcf5878e55ac049a494c9aa819febed2ec66756e1d8ac5398ebd31928
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 66ba0d0a1c3bead63dd953b267a8d14e8d1ac49dbc09764ddaefd45b638f2bf7
[INFO] running `Command { std: "docker" "start" "-a" "66ba0d0a1c3bead63dd953b267a8d14e8d1ac49dbc09764ddaefd45b638f2bf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling inflections v1.1.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking deflate v0.8.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking png v0.16.1
[INFO] [stderr]     Checking image v0.23.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling gltf-derive v0.15.2
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking gltf-json v0.15.2
[INFO] [stderr]  Documenting gltf v0.15.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.88s
[INFO] running `Command { std: "docker" "inspect" "66ba0d0a1c3bead63dd953b267a8d14e8d1ac49dbc09764ddaefd45b638f2bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66ba0d0a1c3bead63dd953b267a8d14e8d1ac49dbc09764ddaefd45b638f2bf7", kill_on_drop: false }`
[INFO] [stdout] 66ba0d0a1c3bead63dd953b267a8d14e8d1ac49dbc09764ddaefd45b638f2bf7