[INFO] fetching crate pugl-ui 0.2.0...
[INFO] documenting pugl-ui-0.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate pugl-ui 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate pugl-ui 0.2.0 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 pugl-ui 0.2.0
[INFO] finished tweaking crates.io crate pugl-ui 0.2.0
[INFO] tweaked toml for crates.io crate pugl-ui 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate pugl-ui 0.2.0 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 system-deps v1.3.1
[INFO] [stderr]   Downloaded glib-macros v0.10.0
[INFO] [stderr]   Downloaded glib v0.10.0
[INFO] [stderr]   Downloaded cairo-rs v0.9.0
[INFO] [stderr]   Downloaded pugl-sys v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 8f37ce0fc0609c7f498f37395f04b45b06ff75fce3ea28e5e70b4d934ac8bce4
[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" "8f37ce0fc0609c7f498f37395f04b45b06ff75fce3ea28e5e70b4d934ac8bce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f37ce0fc0609c7f498f37395f04b45b06ff75fce3ea28e5e70b4d934ac8bce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f37ce0fc0609c7f498f37395f04b45b06ff75fce3ea28e5e70b4d934ac8bce4", kill_on_drop: false }`
[INFO] [stdout] 8f37ce0fc0609c7f498f37395f04b45b06ff75fce3ea28e5e70b4d934ac8bce4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c0306da2e2073888db08ff9427d78c94149bcca013ef5aa6a98a38de0f07d646
[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" "c0306da2e2073888db08ff9427d78c94149bcca013ef5aa6a98a38de0f07d646", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.57
[INFO] [stderr]    Compiling cairo-rs v0.9.0
[INFO] [stderr]    Compiling pango v0.9.0
[INFO] [stderr]    Compiling pangocairo v0.10.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling glib-macros v0.10.0
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling system-deps v1.3.1
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]    Compiling pugl-sys v0.3.3
[INFO] [stderr]    Compiling glib-sys v0.10.0
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.10.0
[INFO] [stderr]    Compiling pango-sys v0.10.0
[INFO] [stderr]    Compiling pangocairo-sys v0.11.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking glib v0.10.0
[INFO] [stderr]  Documenting pugl-ui v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 59s
[INFO] running `Command { std: "docker" "inspect" "c0306da2e2073888db08ff9427d78c94149bcca013ef5aa6a98a38de0f07d646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0306da2e2073888db08ff9427d78c94149bcca013ef5aa6a98a38de0f07d646", kill_on_drop: false }`
[INFO] [stdout] c0306da2e2073888db08ff9427d78c94149bcca013ef5aa6a98a38de0f07d646