[INFO] fetching crate circle_boundary 0.1.19...
[INFO] documenting circle_boundary-0.1.19 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate circle_boundary 0.1.19 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate circle_boundary 0.1.19 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 circle_boundary 0.1.19
[INFO] finished tweaking crates.io crate circle_boundary 0.1.19
[INFO] tweaked toml for crates.io crate circle_boundary 0.1.19 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate circle_boundary 0.1.19 already has a lockfile, it will not be regenerated
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 4e0c4e91b2d4fc2cf7e82cf92df33dd4ba62eb494491e388be11f2eca279cff8
[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" "4e0c4e91b2d4fc2cf7e82cf92df33dd4ba62eb494491e388be11f2eca279cff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e0c4e91b2d4fc2cf7e82cf92df33dd4ba62eb494491e388be11f2eca279cff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e0c4e91b2d4fc2cf7e82cf92df33dd4ba62eb494491e388be11f2eca279cff8", kill_on_drop: false }`
[INFO] [stdout] 4e0c4e91b2d4fc2cf7e82cf92df33dd4ba62eb494491e388be11f2eca279cff8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] eda6e734b5ceeb9db14cea6dcb5219bafd3cfab8fc70c689e2c667f05164f673
[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" "eda6e734b5ceeb9db14cea6dcb5219bafd3cfab8fc70c689e2c667f05164f673", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.50
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.50
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.50
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.50
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.50
[INFO] [stderr]  Documenting circle_boundary v0.1.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.39s
[INFO] running `Command { std: "docker" "inspect" "eda6e734b5ceeb9db14cea6dcb5219bafd3cfab8fc70c689e2c667f05164f673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eda6e734b5ceeb9db14cea6dcb5219bafd3cfab8fc70c689e2c667f05164f673", kill_on_drop: false }`
[INFO] [stdout] eda6e734b5ceeb9db14cea6dcb5219bafd3cfab8fc70c689e2c667f05164f673
