[INFO] fetching crate rubato 0.5.0...
[INFO] documenting rubato-0.5.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate rubato 0.5.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rubato 0.5.0 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 rubato 0.5.0
[INFO] finished tweaking crates.io crate rubato 0.5.0
[INFO] tweaked toml for crates.io crate rubato 0.5.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate rubato 0.5.0 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 82f9a261f750b5cebd1af9f05d7f1c42901874f728b594096ae4805e2d8cf752
[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" "82f9a261f750b5cebd1af9f05d7f1c42901874f728b594096ae4805e2d8cf752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82f9a261f750b5cebd1af9f05d7f1c42901874f728b594096ae4805e2d8cf752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f9a261f750b5cebd1af9f05d7f1c42901874f728b594096ae4805e2d8cf752", kill_on_drop: false }`
[INFO] [stdout] 82f9a261f750b5cebd1af9f05d7f1c42901874f728b594096ae4805e2d8cf752
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] add19dabd0393061a259c75614f92a38ee0ab55233a968175f4b86dac0428793
[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" "add19dabd0393061a259c75614f92a38ee0ab55233a968175f4b86dac0428793", kill_on_drop: false }`
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking transpose v0.2.0
[INFO] [stderr]     Checking rustfft v4.0.0
[INFO] [stderr]     Checking realfft v0.3.0
[INFO] [stderr]  Documenting rubato v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.97s
[INFO] running `Command { std: "docker" "inspect" "add19dabd0393061a259c75614f92a38ee0ab55233a968175f4b86dac0428793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "add19dabd0393061a259c75614f92a38ee0ab55233a968175f4b86dac0428793", kill_on_drop: false }`
[INFO] [stdout] add19dabd0393061a259c75614f92a38ee0ab55233a968175f4b86dac0428793
