[INFO] fetching crate range-set 0.0.5...
[INFO] documenting range-set-0.0.5 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate range-set 0.0.5 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate range-set 0.0.5 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 range-set 0.0.5
[INFO] finished tweaking crates.io crate range-set 0.0.5
[INFO] tweaked toml for crates.io crate range-set 0.0.5 written to /workspace/builds/worker-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] b0bbec767c2bfe646abeb8d65e31bd86624aacd2504db9d7f940834fe0be1d07
[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" "b0bbec767c2bfe646abeb8d65e31bd86624aacd2504db9d7f940834fe0be1d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0bbec767c2bfe646abeb8d65e31bd86624aacd2504db9d7f940834fe0be1d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0bbec767c2bfe646abeb8d65e31bd86624aacd2504db9d7f940834fe0be1d07", kill_on_drop: false }`
[INFO] [stdout] b0bbec767c2bfe646abeb8d65e31bd86624aacd2504db9d7f940834fe0be1d07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a5ae2daa6cc4d5e9db2930a359fa38a357f98d9c5efce23914b0852b53c707e4
[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" "a5ae2daa6cc4d5e9db2930a359fa38a357f98d9c5efce23914b0852b53c707e4", kill_on_drop: false }`
[INFO] [stderr]  Documenting range-set v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "a5ae2daa6cc4d5e9db2930a359fa38a357f98d9c5efce23914b0852b53c707e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5ae2daa6cc4d5e9db2930a359fa38a357f98d9c5efce23914b0852b53c707e4", kill_on_drop: false }`
[INFO] [stdout] a5ae2daa6cc4d5e9db2930a359fa38a357f98d9c5efce23914b0852b53c707e4