[INFO] fetching crate audiograph 0.5.1...
[INFO] documenting audiograph-0.5.1 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate audiograph 0.5.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate audiograph 0.5.1 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 audiograph 0.5.1
[INFO] finished tweaking crates.io crate audiograph 0.5.1
[INFO] tweaked toml for crates.io crate audiograph 0.5.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate audiograph 0.5.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0b8e9b7bc21635dd70368c16ff5d96ee7efee0678be256f261549791b560cd8a
[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" "0b8e9b7bc21635dd70368c16ff5d96ee7efee0678be256f261549791b560cd8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b8e9b7bc21635dd70368c16ff5d96ee7efee0678be256f261549791b560cd8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b8e9b7bc21635dd70368c16ff5d96ee7efee0678be256f261549791b560cd8a", kill_on_drop: false }`
[INFO] [stdout] 0b8e9b7bc21635dd70368c16ff5d96ee7efee0678be256f261549791b560cd8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a9fce6ea416737f208dab64ed8da180705764794c2ca0f1018ae302984d50463
[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" "a9fce6ea416737f208dab64ed8da180705764794c2ca0f1018ae302984d50463", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking bufferpool v0.1.7
[INFO] [stderr]     Checking sample v0.10.0
[INFO] [stderr]     Checking generational-arena v0.2.7
[INFO] [stderr]  Documenting audiograph v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.27s
[INFO] running `Command { std: "docker" "inspect" "a9fce6ea416737f208dab64ed8da180705764794c2ca0f1018ae302984d50463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9fce6ea416737f208dab64ed8da180705764794c2ca0f1018ae302984d50463", kill_on_drop: false }`
[INFO] [stdout] a9fce6ea416737f208dab64ed8da180705764794c2ca0f1018ae302984d50463
