[INFO] fetching crate wdg-uri 0.3.7...
[INFO] documenting wdg-uri-0.3.7 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate wdg-uri 0.3.7 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate wdg-uri 0.3.7 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wdg-uri 0.3.7
[INFO] finished tweaking crates.io crate wdg-uri 0.3.7
[INFO] tweaked toml for crates.io crate wdg-uri 0.3.7 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate wdg-uri 0.3.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.46.0" "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] 118f350737bd75b1ce5ebeaf0943455527907994d2d14252746c3da4ad923f6f
[INFO] running `Command { std: "docker" "start" "-a" "118f350737bd75b1ce5ebeaf0943455527907994d2d14252746c3da4ad923f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "118f350737bd75b1ce5ebeaf0943455527907994d2d14252746c3da4ad923f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "118f350737bd75b1ce5ebeaf0943455527907994d2d14252746c3da4ad923f6f", kill_on_drop: false }`
[INFO] [stdout] 118f350737bd75b1ce5ebeaf0943455527907994d2d14252746c3da4ad923f6f
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f144b5794781fdbc803f763dc47d5940edd7621fb8e59ccaac72d364c832b89a
[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" "f144b5794781fdbc803f763dc47d5940edd7621fb8e59ccaac72d364c832b89a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking default-port v2.1.0
[INFO] [stderr]     Checking string-repr v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking regexp v0.2.5
[INFO] [stderr]  Documenting wdg-uri v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.52s
[INFO] running `Command { std: "docker" "inspect" "f144b5794781fdbc803f763dc47d5940edd7621fb8e59ccaac72d364c832b89a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f144b5794781fdbc803f763dc47d5940edd7621fb8e59ccaac72d364c832b89a", kill_on_drop: false }`
[INFO] [stdout] f144b5794781fdbc803f763dc47d5940edd7621fb8e59ccaac72d364c832b89a