[INFO] fetching crate google-groupsmigration1 1.0.14+20200630...
[INFO] documenting google-groupsmigration1-1.0.14+20200630 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate google-groupsmigration1 1.0.14+20200630 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate google-groupsmigration1 1.0.14+20200630 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 google-groupsmigration1 1.0.14+20200630
[INFO] finished tweaking crates.io crate google-groupsmigration1 1.0.14+20200630
[INFO] tweaked toml for crates.io crate google-groupsmigration1 1.0.14+20200630 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 01400aac601d307716f23c40cc22c934222b73758764817184f505489d3941c9
[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" "01400aac601d307716f23c40cc22c934222b73758764817184f505489d3941c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01400aac601d307716f23c40cc22c934222b73758764817184f505489d3941c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01400aac601d307716f23c40cc22c934222b73758764817184f505489d3941c9", kill_on_drop: false }`
[INFO] [stdout] 01400aac601d307716f23c40cc22c934222b73758764817184f505489d3941c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 7a1143e3f244e90177d0f64150dcb09807b74614bfab75f90a752f4886ce8a60
[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" "7a1143e3f244e90177d0f64150dcb09807b74614bfab75f90a752f4886ce8a60", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting google-groupsmigration1 v1.0.14+20200630 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "7a1143e3f244e90177d0f64150dcb09807b74614bfab75f90a752f4886ce8a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a1143e3f244e90177d0f64150dcb09807b74614bfab75f90a752f4886ce8a60", kill_on_drop: false }`
[INFO] [stdout] 7a1143e3f244e90177d0f64150dcb09807b74614bfab75f90a752f4886ce8a60