[INFO] fetching crate cifar_10_loader 0.2.0...
[INFO] documenting cifar_10_loader-0.2.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate cifar_10_loader 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cifar_10_loader 0.2.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cifar_10_loader 0.2.0
[INFO] finished tweaking crates.io crate cifar_10_loader 0.2.0
[INFO] tweaked toml for crates.io crate cifar_10_loader 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rayon v0.9.0
[INFO] [stderr]   Downloaded clippy v0.0.176
[INFO] [stderr]   Downloaded clippy_lints v0.0.176
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 454ed913f647c8dba3c6645f06919161b9c6ace56f109a16c2a73a2850c7b102
[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" "454ed913f647c8dba3c6645f06919161b9c6ace56f109a16c2a73a2850c7b102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "454ed913f647c8dba3c6645f06919161b9c6ace56f109a16c2a73a2850c7b102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "454ed913f647c8dba3c6645f06919161b9c6ace56f109a16c2a73a2850c7b102", kill_on_drop: false }`
[INFO] [stdout] 454ed913f647c8dba3c6645f06919161b9c6ace56f109a16c2a73a2850c7b102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] affc24510239227a65ba9b310eb51794c88b171810ba0740dcb4bd7033360401
[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" "affc24510239227a65ba9b310eb51794c88b171810ba0740dcb4bd7033360401", kill_on_drop: false }`
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking rayon v0.9.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]  Documenting cifar_10_loader v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.58s
[INFO] running `Command { std: "docker" "inspect" "affc24510239227a65ba9b310eb51794c88b171810ba0740dcb4bd7033360401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "affc24510239227a65ba9b310eb51794c88b171810ba0740dcb4bd7033360401", kill_on_drop: false }`
[INFO] [stdout] affc24510239227a65ba9b310eb51794c88b171810ba0740dcb4bd7033360401
