[INFO] cloning repository https://github.com/anurse/overseer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anurse/overseer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanurse%2Foverseer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanurse%2Foverseer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74a3d345c50e8d844509cbae7e4592899381c333
[INFO] documenting anurse/overseer 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%2Fanurse%2Foverseer" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anurse/overseer 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/anurse/overseer
[INFO] finished tweaking git repo https://github.com/anurse/overseer
[INFO] tweaked toml for git repo https://github.com/anurse/overseer written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/anurse/overseer 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 2899c43928ecd5bd8e72a2c90b2eafbad8decd91679612e473987681bec6cbb0
[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" "2899c43928ecd5bd8e72a2c90b2eafbad8decd91679612e473987681bec6cbb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2899c43928ecd5bd8e72a2c90b2eafbad8decd91679612e473987681bec6cbb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2899c43928ecd5bd8e72a2c90b2eafbad8decd91679612e473987681bec6cbb0", kill_on_drop: false }`
[INFO] [stdout] 2899c43928ecd5bd8e72a2c90b2eafbad8decd91679612e473987681bec6cbb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] d24ef3ddcc64f53aa77b8b44d9ae31e70de4f7b47d18ff0cf6ea6a5e4bd8595d
[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" "d24ef3ddcc64f53aa77b8b44d9ae31e70de4f7b47d18ff0cf6ea6a5e4bd8595d", kill_on_drop: false }`
[INFO] [stderr]  Documenting overseer v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `self::getopts::optopt`, `self::getopts::getopts`
[INFO] [stdout]  --> src/driver.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use self::getopts::{optopt, getopts};
[INFO] [stdout]   |                     ^^^^^^  ^^^^^^^ no `getopts` in the root
[INFO] [stdout]   |                     |
[INFO] [stdout]   |                     no `optopt` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `fail` in this scope
[INFO] [stdout]   --> src/driver.rs:19:14
[INFO] [stdout]    |
[INFO] [stdout] 19 |             Err(f) => fail!(f.to_string())
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `overseer`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name overseer src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "d24ef3ddcc64f53aa77b8b44d9ae31e70de4f7b47d18ff0cf6ea6a5e4bd8595d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d24ef3ddcc64f53aa77b8b44d9ae31e70de4f7b47d18ff0cf6ea6a5e4bd8595d", kill_on_drop: false }`
[INFO] [stdout] d24ef3ddcc64f53aa77b8b44d9ae31e70de4f7b47d18ff0cf6ea6a5e4bd8595d