[INFO] fetching crate mylibrary 1.0.4+dev2...
[INFO] documenting mylibrary-1.0.4+dev2 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate mylibrary 1.0.4+dev2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mylibrary 1.0.4+dev2 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 mylibrary 1.0.4+dev2
[INFO] finished tweaking crates.io crate mylibrary 1.0.4+dev2
[INFO] tweaked toml for crates.io crate mylibrary 1.0.4+dev2 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b4556b1776a6633c3cff1d3ce3e920395ba9ede6437e8d45f65f2c8d580c9245
[INFO] running `Command { std: "docker" "start" "-a" "b4556b1776a6633c3cff1d3ce3e920395ba9ede6437e8d45f65f2c8d580c9245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4556b1776a6633c3cff1d3ce3e920395ba9ede6437e8d45f65f2c8d580c9245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4556b1776a6633c3cff1d3ce3e920395ba9ede6437e8d45f65f2c8d580c9245", kill_on_drop: false }`
[INFO] [stdout] b4556b1776a6633c3cff1d3ce3e920395ba9ede6437e8d45f65f2c8d580c9245
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 25b89a61b1a2edee10de4ca18adc789be9d435d21e0e0528409eb61620cd84e2
[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" "25b89a61b1a2edee10de4ca18adc789be9d435d21e0e0528409eb61620cd84e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling python3-sys v0.5.1
[INFO] [stderr]  Documenting mylibrary v1.0.4+dev2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.73s
[INFO] running `Command { std: "docker" "inspect" "25b89a61b1a2edee10de4ca18adc789be9d435d21e0e0528409eb61620cd84e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b89a61b1a2edee10de4ca18adc789be9d435d21e0e0528409eb61620cd84e2", kill_on_drop: false }`
[INFO] [stdout] 25b89a61b1a2edee10de4ca18adc789be9d435d21e0e0528409eb61620cd84e2
