[INFO] cloning repository https://github.com/jdmichaud/rs-observable
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jdmichaud/rs-observable" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdmichaud%2Frs-observable", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdmichaud%2Frs-observable'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33168d99c5c8eaa49a3f4b8b664a42e4594f6c4d
[INFO] documenting jdmichaud/rs-observable 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%2Fjdmichaud%2Frs-observable" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jdmichaud/rs-observable 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/jdmichaud/rs-observable
[INFO] finished tweaking git repo https://github.com/jdmichaud/rs-observable
[INFO] tweaked toml for git repo https://github.com/jdmichaud/rs-observable written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jdmichaud/rs-observable 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b67b6c70eb316d1c9fb7750326cb59b66e141f4289fab1664fd87f28472f373
[INFO] running `Command { std: "docker" "start" "-a" "9b67b6c70eb316d1c9fb7750326cb59b66e141f4289fab1664fd87f28472f373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b67b6c70eb316d1c9fb7750326cb59b66e141f4289fab1664fd87f28472f373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b67b6c70eb316d1c9fb7750326cb59b66e141f4289fab1664fd87f28472f373", kill_on_drop: false }`
[INFO] [stdout] 9b67b6c70eb316d1c9fb7750326cb59b66e141f4289fab1664fd87f28472f373
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/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] 2d4c6248e3b94bb1ab76a0c51dad21a7778d88f5a04cbd02f11a2cdac9c75e6d
[INFO] running `Command { std: "docker" "start" "-a" "2d4c6248e3b94bb1ab76a0c51dad21a7778d88f5a04cbd02f11a2cdac9c75e6d", kill_on_drop: false }`
[INFO] [stderr]  Documenting observable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0053]: method `start` has an incompatible type for trait
[INFO] [stdout]   --> src/main.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 |   fn start(&self, subscription: &mut DefaultSubscription<DefaultObservable<T, E>>) {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 expected `dyn Subscription`, found `&mut DefaultSubscription<...>`
[INFO] [stdout]    |                                 help: change the parameter type to match the trait: `(dyn Subscription + 'static)`
[INFO] [stdout]    |
[INFO] [stdout] note: type in trait
[INFO] [stdout]   --> src/main.rs:7:33
[INFO] [stdout]    |
[INFO] [stdout] 7  |   fn start(&self, subscription: dyn Subscription);
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: expected signature `fn(&SimpleObserver<T, E>, (dyn Subscription + 'static))`
[INFO] [stdout]               found signature `fn(&SimpleObserver<T, E>, &mut DefaultSubscription<DefaultObservable<T, E>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `observable`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name observable 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=d43cfcccf5b66d65 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2d4c6248e3b94bb1ab76a0c51dad21a7778d88f5a04cbd02f11a2cdac9c75e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d4c6248e3b94bb1ab76a0c51dad21a7778d88f5a04cbd02f11a2cdac9c75e6d", kill_on_drop: false }`
[INFO] [stdout] 2d4c6248e3b94bb1ab76a0c51dad21a7778d88f5a04cbd02f11a2cdac9c75e6d
