[INFO] fetching crate sweeper 1.0.0-rc3...
[INFO] documenting sweeper-1.0.0-rc3 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate sweeper 1.0.0-rc3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate sweeper 1.0.0-rc3 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sweeper 1.0.0-rc3
[INFO] finished tweaking crates.io crate sweeper 1.0.0-rc3
[INFO] tweaked toml for crates.io crate sweeper 1.0.0-rc3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68542b692183efa9e54ebc3106457edd29731e4f06ba9040e859b8b8fe41fdb8
[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" "68542b692183efa9e54ebc3106457edd29731e4f06ba9040e859b8b8fe41fdb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68542b692183efa9e54ebc3106457edd29731e4f06ba9040e859b8b8fe41fdb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68542b692183efa9e54ebc3106457edd29731e4f06ba9040e859b8b8fe41fdb8", kill_on_drop: false }`
[INFO] [stdout] 68542b692183efa9e54ebc3106457edd29731e4f06ba9040e859b8b8fe41fdb8
[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" "+1.47.0" "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] 7927c2f8f09e5d4b92937fa851317409bdd5317177366a1375105ada64ce1f64
[INFO] running `Command { std: "docker" "start" "-a" "7927c2f8f09e5d4b92937fa851317409bdd5317177366a1375105ada64ce1f64", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]  Documenting sweeper v1.0.0-rc3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.71s
[INFO] running `Command { std: "docker" "inspect" "7927c2f8f09e5d4b92937fa851317409bdd5317177366a1375105ada64ce1f64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7927c2f8f09e5d4b92937fa851317409bdd5317177366a1375105ada64ce1f64", kill_on_drop: false }`
[INFO] [stdout] 7927c2f8f09e5d4b92937fa851317409bdd5317177366a1375105ada64ce1f64
