[INFO] fetching crate pizarra 0.7.3... [INFO] documenting pizarra-0.7.3 against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] extracting crate pizarra 0.7.3 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate pizarra 0.7.3 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 pizarra 0.7.3 [INFO] finished tweaking crates.io crate pizarra 0.7.3 [INFO] tweaked toml for crates.io crate pizarra 0.7.3 written to /workspace/builds/worker-4/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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rstar v0.7.1 [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-2020-08-29" "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] b698d7347a52eca736eb4329dd6bd0fa752bc0bdf9da076706d344073da839a4 [INFO] running `Command { std: "docker" "start" "-a" "b698d7347a52eca736eb4329dd6bd0fa752bc0bdf9da076706d344073da839a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b698d7347a52eca736eb4329dd6bd0fa752bc0bdf9da076706d344073da839a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b698d7347a52eca736eb4329dd6bd0fa752bc0bdf9da076706d344073da839a4", kill_on_drop: false }` [INFO] [stdout] b698d7347a52eca736eb4329dd6bd0fa752bc0bdf9da076706d344073da839a4 [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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 31449dee9f5dd3f2a650f405a4b11cb00c354f394bbf1e7c160e0666734f85ad [INFO] running `Command { std: "docker" "start" "-a" "31449dee9f5dd3f2a650f405a4b11cb00c354f394bbf1e7c160e0666734f85ad", kill_on_drop: false }` [INFO] [stderr] Checking pdqselect v0.1.0 [INFO] [stderr] Checking rstar v0.7.1 [INFO] [stderr] Documenting pizarra v0.7.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.94s [INFO] running `Command { std: "docker" "inspect" "31449dee9f5dd3f2a650f405a4b11cb00c354f394bbf1e7c160e0666734f85ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31449dee9f5dd3f2a650f405a4b11cb00c354f394bbf1e7c160e0666734f85ad", kill_on_drop: false }` [INFO] [stdout] 31449dee9f5dd3f2a650f405a4b11cb00c354f394bbf1e7c160e0666734f85ad