[INFO] fetching crate nyan 0.1.2...
[INFO] documenting nyan-0.1.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate nyan 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate nyan 0.1.2 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nyan 0.1.2
[INFO] finished tweaking crates.io crate nyan 0.1.2
[INFO] tweaked toml for crates.io crate nyan 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate nyan 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded failure_derive v0.1.7
[INFO] [stderr]   Downloaded quote v1.0.3
[INFO] [stderr]   Downloaded hound v3.4.0
[INFO] [stderr]   Downloaded cc v1.0.50
[INFO] [stderr]   Downloaded stdweb v0.1.3
[INFO] [stderr]   Downloaded backtrace v0.3.45
[INFO] [stderr]   Downloaded synstructure v0.12.3
[INFO] [stderr]   Downloaded backtrace-sys v0.1.34
[INFO] [stderr]   Downloaded version_check v0.9.1
[INFO] [stderr]   Downloaded libloading v0.5.2
[INFO] [stderr]   Downloaded regex v1.3.4
[INFO] [stderr]   Downloaded libc v0.2.67
[INFO] [stderr]   Downloaded pkg-config v0.3.17
[INFO] [stderr]   Downloaded bindgen v0.53.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.16
[INFO] [stderr]   Downloaded syn v1.0.16
[INFO] [stderr]   Downloaded rodio v0.10.0
[INFO] [stderr]   Downloaded cpal v0.10.0
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.4
[INFO] [stderr]   Downloaded alsa-sys v0.1.2
[INFO] [stderr]   Downloaded core-foundation-sys v0.6.2
[INFO] [stderr]   Downloaded clang-sys v0.29.2
[INFO] [stderr]   Downloaded coreaudio-rs v0.9.1
[INFO] [stderr]   Downloaded nom v5.1.1
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4d2028fe79db1f151e1652503782b318c0c1e1a342007509f1879ecbb0fa48b
[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" "d4d2028fe79db1f151e1652503782b318c0c1e1a342007509f1879ecbb0fa48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4d2028fe79db1f151e1652503782b318c0c1e1a342007509f1879ecbb0fa48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4d2028fe79db1f151e1652503782b318c0c1e1a342007509f1879ecbb0fa48b", kill_on_drop: false }`
[INFO] [stdout] d4d2028fe79db1f151e1652503782b318c0c1e1a342007509f1879ecbb0fa48b
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15edbf1bed1f7dbc5d24ebf9e1cb9356200eb903d3dd6fd553d463b9037e31e1
[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" "15edbf1bed1f7dbc5d24ebf9e1cb9356200eb903d3dd6fd553d463b9037e31e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpal v0.10.0
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]     Checking rodio v0.10.0
[INFO] [stderr]  Documenting nyan v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.35s
[INFO] running `Command { std: "docker" "inspect" "15edbf1bed1f7dbc5d24ebf9e1cb9356200eb903d3dd6fd553d463b9037e31e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15edbf1bed1f7dbc5d24ebf9e1cb9356200eb903d3dd6fd553d463b9037e31e1", kill_on_drop: false }`
[INFO] [stdout] 15edbf1bed1f7dbc5d24ebf9e1cb9356200eb903d3dd6fd553d463b9037e31e1