[INFO] cloning repository https://github.com/XeryusTC/image-palette
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/XeryusTC/image-palette" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXeryusTC%2Fimage-palette", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXeryusTC%2Fimage-palette'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a67e27105cbdfcb12a07f7209fb867121d038873
[INFO] documenting XeryusTC/image-palette against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXeryusTC%2Fimage-palette" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/XeryusTC/image-palette on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/XeryusTC/image-palette
[INFO] finished tweaking git repo https://github.com/XeryusTC/image-palette
[INFO] tweaked toml for git repo https://github.com/XeryusTC/image-palette written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/XeryusTC/image-palette already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.46.0" "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] 3d4ab2ec655ef8c99f76a9064ca56a093e825ba5357dc6cd2a39c0c9f4d8577d
[INFO] running `Command { std: "docker" "start" "-a" "3d4ab2ec655ef8c99f76a9064ca56a093e825ba5357dc6cd2a39c0c9f4d8577d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d4ab2ec655ef8c99f76a9064ca56a093e825ba5357dc6cd2a39c0c9f4d8577d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d4ab2ec655ef8c99f76a9064ca56a093e825ba5357dc6cd2a39c0c9f4d8577d", kill_on_drop: false }`
[INFO] [stdout] 3d4ab2ec655ef8c99f76a9064ca56a093e825ba5357dc6cd2a39c0c9f4d8577d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.46.0" "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] 730e45892f9006ec381d0c5c0e375f61c42e5e3d195d7d1e77999d9eede97acd
[INFO] running `Command { std: "docker" "start" "-a" "730e45892f9006ec381d0c5c0e375f61c42e5e3d195d7d1e77999d9eede97acd", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]     Checking bitflags v1.0.2
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking atty v0.2.9
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking inflate v0.4.2
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking gif v0.10.0
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling num-derive v0.2.0
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]  Documenting theme-palette v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.04s
[INFO] running `Command { std: "docker" "inspect" "730e45892f9006ec381d0c5c0e375f61c42e5e3d195d7d1e77999d9eede97acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "730e45892f9006ec381d0c5c0e375f61c42e5e3d195d7d1e77999d9eede97acd", kill_on_drop: false }`
[INFO] [stdout] 730e45892f9006ec381d0c5c0e375f61c42e5e3d195d7d1e77999d9eede97acd