[INFO] cloning repository https://github.com/Ifechukwudaniel/ImageCombiner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ifechukwudaniel/ImageCombiner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIfechukwudaniel%2FImageCombiner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIfechukwudaniel%2FImageCombiner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fdcb5a0c7426b9703c2541a55a9b901ee5f77646
[INFO] documenting Ifechukwudaniel/ImageCombiner against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIfechukwudaniel%2FImageCombiner" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ifechukwudaniel/ImageCombiner on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ifechukwudaniel/ImageCombiner
[INFO] finished tweaking git repo https://github.com/Ifechukwudaniel/ImageCombiner
[INFO] tweaked toml for git repo https://github.com/Ifechukwudaniel/ImageCombiner written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/Ifechukwudaniel/ImageCombiner already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04d984f46edd3d3454b3d82d63a12d4846b12f298dd4eea753bca5659ec501a4
[INFO] running `Command { std: "docker" "start" "-a" "04d984f46edd3d3454b3d82d63a12d4846b12f298dd4eea753bca5659ec501a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04d984f46edd3d3454b3d82d63a12d4846b12f298dd4eea753bca5659ec501a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04d984f46edd3d3454b3d82d63a12d4846b12f298dd4eea753bca5659ec501a4", kill_on_drop: false }`
[INFO] [stdout] 04d984f46edd3d3454b3d82d63a12d4846b12f298dd4eea753bca5659ec501a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcb07c05cc2b74db8d2b52a77d30e9de7de00b2566266a546fc0112b3d3159fb
[INFO] running `Command { std: "docker" "start" "-a" "dcb07c05cc2b74db8d2b52a77d30e9de7de00b2566266a546fc0112b3d3159fb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.6
[INFO] [stderr]    Compiling libc v0.2.114
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.3.1
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.7.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking num-rational v0.3.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]  Documenting combiner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.04s
[INFO] running `Command { std: "docker" "inspect" "dcb07c05cc2b74db8d2b52a77d30e9de7de00b2566266a546fc0112b3d3159fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcb07c05cc2b74db8d2b52a77d30e9de7de00b2566266a546fc0112b3d3159fb", kill_on_drop: false }`
[INFO] [stdout] dcb07c05cc2b74db8d2b52a77d30e9de7de00b2566266a546fc0112b3d3159fb