[INFO] fetching crate cute_custom_default 2.1.0... [INFO] documenting cute_custom_default-2.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] extracting crate cute_custom_default 2.1.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate cute_custom_default 2.1.0 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 cute_custom_default 2.1.0 [INFO] finished tweaking crates.io crate cute_custom_default 2.1.0 [INFO] tweaked toml for crates.io crate cute_custom_default 2.1.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 94ee90ee8b955c7e1950191724a8f7fb33b165beeb667670466fd4ebb7b20a54 [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" "94ee90ee8b955c7e1950191724a8f7fb33b165beeb667670466fd4ebb7b20a54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "94ee90ee8b955c7e1950191724a8f7fb33b165beeb667670466fd4ebb7b20a54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94ee90ee8b955c7e1950191724a8f7fb33b165beeb667670466fd4ebb7b20a54", kill_on_drop: false }` [INFO] [stdout] 94ee90ee8b955c7e1950191724a8f7fb33b165beeb667670466fd4ebb7b20a54 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 249262788d60cb8d917bf29cfe297cbe48d22e5ee902202292fccca48818dfdc [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" "249262788d60cb8d917bf29cfe297cbe48d22e5ee902202292fccca48818dfdc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Checking quote v1.0.7 [INFO] [stderr] Checking syn v1.0.39 [INFO] [stderr] Documenting cute_custom_default v2.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.80s [INFO] running `Command { std: "docker" "inspect" "249262788d60cb8d917bf29cfe297cbe48d22e5ee902202292fccca48818dfdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "249262788d60cb8d917bf29cfe297cbe48d22e5ee902202292fccca48818dfdc", kill_on_drop: false }` [INFO] [stdout] 249262788d60cb8d917bf29cfe297cbe48d22e5ee902202292fccca48818dfdc