[INFO] cloning repository https://github.com/AndrewGaspar/empire
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndrewGaspar/empire" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewGaspar%2Fempire", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewGaspar%2Fempire'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f489a59ad0f0d30ce8cf54110e75d62858ced6f
[INFO] documenting AndrewGaspar/empire against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewGaspar%2Fempire" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AndrewGaspar/empire on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AndrewGaspar/empire
[INFO] finished tweaking git repo https://github.com/AndrewGaspar/empire
[INFO] tweaked toml for git repo https://github.com/AndrewGaspar/empire written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/AndrewGaspar/empire already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/alexcrichton/tokio-process.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v0.4.9
[INFO] [stderr]   Downloaded lock_api v0.1.3
[INFO] [stderr]   Downloaded parking_lot v0.6.3
[INFO] [stderr]   Downloaded tokio-tcp v0.1.1
[INFO] [stderr]   Downloaded serde v1.0.75
[INFO] [stderr]   Downloaded serde_derive v1.0.75
[INFO] [stderr]   Downloaded mio-uds v0.6.6
[INFO] [stderr]   Downloaded futures v0.1.23
[INFO] [stderr]   Downloaded tokio-signal v0.2.2
[INFO] [stderr]   Downloaded tokio-executor v0.1.4
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.6
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.1
[INFO] [stderr]   Downloaded socket2 v0.3.7
[INFO] [stderr]   Downloaded tokio-timer v0.2.6
[INFO] [stderr]   Downloaded tokio v0.1.8
[INFO] [stderr]   Downloaded tokio-uds v0.2.1
[INFO] [stderr]   Downloaded tokio-io v0.1.8
[INFO] [stderr]   Downloaded tokio-reactor v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8df0ffe249facf37d30ef165cd016dd09846da5ab00c50c487ac3499621ab047
[INFO] running `Command { std: "docker" "start" "-a" "8df0ffe249facf37d30ef165cd016dd09846da5ab00c50c487ac3499621ab047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8df0ffe249facf37d30ef165cd016dd09846da5ab00c50c487ac3499621ab047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df0ffe249facf37d30ef165cd016dd09846da5ab00c50c487ac3499621ab047", kill_on_drop: false }`
[INFO] [stdout] 8df0ffe249facf37d30ef165cd016dd09846da5ab00c50c487ac3499621ab047
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bd49417e8be419cde89aafb039d3b4f9b6b8a20bd58c7c62bcb1fefc8956513
[INFO] running `Command { std: "docker" "start" "-a" "5bd49417e8be419cde89aafb039d3b4f9b6b8a20bd58c7c62bcb1fefc8956513", kill_on_drop: false }`
[INFO] [stderr] error: document output filename collision
[INFO] [stderr] The lib `empire` in package `libempire v0.1.0 (/opt/rustwide/workdir/libempire)` has the same name as the lib `empire` in package `empire v0.1.0 (/opt/rustwide/workdir/empire)`.
[INFO] [stderr] Only one may be documented at once since they output to the same path.
[INFO] [stderr] Consider documenting only one, renaming one, or marking one with `doc = false` in Cargo.toml.
[INFO] running `Command { std: "docker" "inspect" "5bd49417e8be419cde89aafb039d3b4f9b6b8a20bd58c7c62bcb1fefc8956513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bd49417e8be419cde89aafb039d3b4f9b6b8a20bd58c7c62bcb1fefc8956513", kill_on_drop: false }`
[INFO] [stdout] 5bd49417e8be419cde89aafb039d3b4f9b6b8a20bd58c7c62bcb1fefc8956513