[INFO] cloning repository https://github.com/ImageOptim/gifski
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ImageOptim/gifski" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImageOptim%2Fgifski", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImageOptim%2Fgifski'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c61615e089ff001d7d2429199a25aac2f297230
[INFO] documenting ImageOptim/gifski 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%2FImageOptim%2Fgifski" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ImageOptim/gifski 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/ImageOptim/gifski
[INFO] finished tweaking git repo https://github.com/ImageOptim/gifski
[INFO] tweaked toml for git repo https://github.com/ImageOptim/gifski written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ImageOptim/gifski 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 23b0e9943acc319618de0093ed32e7a83b27ee82ce0c37995b902679f3a7adff
[INFO] running `Command { std: "docker" "start" "-a" "23b0e9943acc319618de0093ed32e7a83b27ee82ce0c37995b902679f3a7adff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23b0e9943acc319618de0093ed32e7a83b27ee82ce0c37995b902679f3a7adff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23b0e9943acc319618de0093ed32e7a83b27ee82ce0c37995b902679f3a7adff", kill_on_drop: false }`
[INFO] [stdout] 23b0e9943acc319618de0093ed32e7a83b27ee82ce0c37995b902679f3a7adff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 623658d18422839dbd1e1d6990d28489cc763606939de34ba3b35a18d3d4a20a
[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" "623658d18422839dbd1e1d6990d28489cc763606939de34ba3b35a18d3d4a20a", kill_on_drop: false }`
[INFO] [stderr]     Checking imgref v1.7.0
[INFO] [stderr]     Checking wild v2.0.4
[INFO] [stderr]     Checking quick-error v2.0.0
[INFO] [stderr]     Checking natord v1.0.9
[INFO] [stderr]     Checking dunce v1.0.1
[INFO] [stderr]     Checking rgb v0.8.24
[INFO] [stderr]    Compiling imagequant-sys v2.12.7
[INFO] [stderr]    Compiling gifsicle v1.92.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking gif-dispose v2.4.1
[INFO] [stderr]     Checking resize v0.5.0
[INFO] [stderr]     Checking lodepng v3.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking imagequant v2.12.5
[INFO] [stderr]     Checking pbr v1.0.3
[INFO] [stderr]  Documenting gifski v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.90s
[INFO] running `Command { std: "docker" "inspect" "623658d18422839dbd1e1d6990d28489cc763606939de34ba3b35a18d3d4a20a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "623658d18422839dbd1e1d6990d28489cc763606939de34ba3b35a18d3d4a20a", kill_on_drop: false }`
[INFO] [stdout] 623658d18422839dbd1e1d6990d28489cc763606939de34ba3b35a18d3d4a20a