[INFO] fetching crate wfcgen 0.1.0...
[INFO] documenting wfcgen-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate wfcgen 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate wfcgen 0.1.0 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 wfcgen 0.1.0
[INFO] finished tweaking crates.io crate wfcgen 0.1.0
[INFO] tweaked toml for crates.io crate wfcgen 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate wfcgen 0.1.0 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 fastwfc v0.1.0
[INFO] [stderr]   Downloaded bindgen v0.51.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] b3868bf97f92943529a68b9a4ebd7b5c46540babb7ce7b1f8c6c424f93b45446
[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" "b3868bf97f92943529a68b9a4ebd7b5c46540babb7ce7b1f8c6c424f93b45446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3868bf97f92943529a68b9a4ebd7b5c46540babb7ce7b1f8c6c424f93b45446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3868bf97f92943529a68b9a4ebd7b5c46540babb7ce7b1f8c6c424f93b45446", kill_on_drop: false }`
[INFO] [stdout] b3868bf97f92943529a68b9a4ebd7b5c46540babb7ce7b1f8c6c424f93b45446
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] a2c9337d3975b11f3d18876aa943beef52854fbe6be2743859bad1cf0246a20d
[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" "a2c9337d3975b11f3d18876aa943beef52854fbe6be2743859bad1cf0246a20d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.42
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling bindgen v0.51.0
[INFO] [stderr]     Checking gif v0.10.2
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]    Compiling structopt-derive v0.3.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling backtrace v0.3.37
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking structopt v0.3.0
[INFO] [stderr]     Checking image v0.22.1
[INFO] [stderr]    Compiling fastwfc-sys v0.1.0
[INFO] [stderr]     Checking fastwfc v0.1.0
[INFO] [stderr]  Documenting wfcgen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.58s
[INFO] running `Command { std: "docker" "inspect" "a2c9337d3975b11f3d18876aa943beef52854fbe6be2743859bad1cf0246a20d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c9337d3975b11f3d18876aa943beef52854fbe6be2743859bad1cf0246a20d", kill_on_drop: false }`
[INFO] [stdout] a2c9337d3975b11f3d18876aa943beef52854fbe6be2743859bad1cf0246a20d