[INFO] cloning repository https://github.com/aaronriekenberg/async-play
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aaronriekenberg/async-play" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaronriekenberg%2Fasync-play", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaronriekenberg%2Fasync-play'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3918f7d6ecb05c17f8d425cad60b7e6237b5ec60
[INFO] documenting aaronriekenberg/async-play against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaronriekenberg%2Fasync-play" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aaronriekenberg/async-play on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aaronriekenberg/async-play
[INFO] finished tweaking git repo https://github.com/aaronriekenberg/async-play
[INFO] tweaked toml for git repo https://github.com/aaronriekenberg/async-play written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/aaronriekenberg/async-play already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60c0346a97e2f0da80b0ae83263112c865380e2c279c7249e9dce7f95f04b590
[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" "60c0346a97e2f0da80b0ae83263112c865380e2c279c7249e9dce7f95f04b590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60c0346a97e2f0da80b0ae83263112c865380e2c279c7249e9dce7f95f04b590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60c0346a97e2f0da80b0ae83263112c865380e2c279c7249e9dce7f95f04b590", kill_on_drop: false }`
[INFO] [stdout] 60c0346a97e2f0da80b0ae83263112c865380e2c279c7249e9dce7f95f04b590
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] a750e2acd8f231c19bb5eaa7c0e6ba463c8cc32674d4a46a90ab032e482cdf9a
[INFO] running `Command { std: "docker" "start" "-a" "a750e2acd8f231c19bb5eaa7c0e6ba463c8cc32674d4a46a90ab032e482cdf9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]     Checking pin-project-lite v0.1.0
[INFO] [stderr]     Checking once_cell v1.2.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling curl-sys v0.4.24
[INFO] [stderr]     Checking futures-timer v1.0.3
[INFO] [stderr]     Checking async-macros v1.0.0
[INFO] [stderr]     Checking async-task v1.0.0
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking async-std v0.99.12
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]    Compiling isahc v0.7.6
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking surf v1.0.3
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]  Documenting async-play v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.80s
[INFO] running `Command { std: "docker" "inspect" "a750e2acd8f231c19bb5eaa7c0e6ba463c8cc32674d4a46a90ab032e482cdf9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a750e2acd8f231c19bb5eaa7c0e6ba463c8cc32674d4a46a90ab032e482cdf9a", kill_on_drop: false }`
[INFO] [stdout] a750e2acd8f231c19bb5eaa7c0e6ba463c8cc32674d4a46a90ab032e482cdf9a