[INFO] cloning repository https://github.com/drahnr/sugar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drahnr/sugar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrahnr%2Fsugar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrahnr%2Fsugar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ee689c90907be0f7918be37248428f244d60e80
[INFO] documenting drahnr/sugar against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrahnr%2Fsugar" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drahnr/sugar on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drahnr/sugar
[INFO] finished tweaking git repo https://github.com/drahnr/sugar
[INFO] tweaked toml for git repo https://github.com/drahnr/sugar written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/drahnr/sugar already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a071ac94fd878fb6ff5a6160f55efe32a187093fe4ab7dffd34b26b21990f4e7
[INFO] running `Command { std: "docker" "start" "-a" "a071ac94fd878fb6ff5a6160f55efe32a187093fe4ab7dffd34b26b21990f4e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a071ac94fd878fb6ff5a6160f55efe32a187093fe4ab7dffd34b26b21990f4e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a071ac94fd878fb6ff5a6160f55efe32a187093fe4ab7dffd34b26b21990f4e7", kill_on_drop: false }`
[INFO] [stdout] a071ac94fd878fb6ff5a6160f55efe32a187093fe4ab7dffd34b26b21990f4e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9da9dea303dd1d87728ab3ccdfe48a0df501ba9a9ccbaf896777b96da4e13af3
[INFO] running `Command { std: "docker" "start" "-a" "9da9dea303dd1d87728ab3ccdfe48a0df501ba9a9ccbaf896777b96da4e13af3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking futures v0.1.17
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking backtrace v0.3.4
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]  Documenting sugar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `tokio_core`
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate tokio_core;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `tokio_io`
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate tokio_io;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0726]: implicit elided lifetime not allowed here
[INFO] [stdout]   --> src/main.rs:92:6
[INFO] [stdout]    |
[INFO] [stdout] 92 | impl Swarm {
[INFO] [stdout]    |      ^^^^^ expected lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: indicate the anonymous lifetime
[INFO] [stdout]    |
[INFO] [stdout] 92 | impl Swarm<'_> {
[INFO] [stdout]    |           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0391]: cycle detected when expanding type alias `<impl at src/main.rs:100:1: 100:30>::poll::Error`
[INFO] [stdout]    --> src/main.rs:104:22
[INFO] [stdout]     |
[INFO] [stdout] 104 |         type Error = Error;
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: ...which immediately requires expanding type alias `<impl at src/main.rs:100:1: 100:30>::poll::Error` again
[INFO] [stdout]     = note: type aliases cannot be recursive
[INFO] [stdout]     = help: consider using a struct, enum, or union instead to break the cycle
[INFO] [stdout]     = help: see <https://doc.rust-lang.org/reference/types.html#recursive-types> for more information
[INFO] [stdout] note: cycle used when collecting item types in top-level module
[INFO] [stdout]    --> src/main.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / #[macro_use]
[INFO] [stdout] 2   | | extern crate error_chain;
[INFO] [stdout] 3   | |
[INFO] [stdout] 4   | | extern crate futures;
[INFO] [stdout] ...   |
[INFO] [stdout] 126 | |     println!("Hello, world!");
[INFO] [stdout] 127 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `Item`, `Error`
[INFO] [stdout]    --> src/main.rs:100:1
[INFO] [stdout]     |
[INFO] [stdout] 100 | impl<'a> Future for Swarm<'a> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `Item`, `Error` in implementation
[INFO] [stdout]     |
[INFO] [stdout]     = help: implement the missing item: `type Item = Type;`
[INFO] [stdout]     = help: implement the missing item: `type Error = Type;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0391, E0463, E0726.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `sugar`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name sugar src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=eaf7e40968ea7a58 -L dependency=/opt/rustwide/target/debug/deps --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-a9e8421598bb3258.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-474cfd94f982f431.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "9da9dea303dd1d87728ab3ccdfe48a0df501ba9a9ccbaf896777b96da4e13af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da9dea303dd1d87728ab3ccdfe48a0df501ba9a9ccbaf896777b96da4e13af3", kill_on_drop: false }`
[INFO] [stdout] 9da9dea303dd1d87728ab3ccdfe48a0df501ba9a9ccbaf896777b96da4e13af3
