[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-2025-10-28 for beta-1.92-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdmichaud%2Frs-observable" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[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-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jdmichaud/rs-observable on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2025-10-28" "fetch" "--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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b24e9450386ed23e73a23334cb6689087c0ae16109213b196f15474b5e99b1a
[INFO] running `Command { std: "docker" "start" "-a" "3b24e9450386ed23e73a23334cb6689087c0ae16109213b196f15474b5e99b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b24e9450386ed23e73a23334cb6689087c0ae16109213b196f15474b5e99b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b24e9450386ed23e73a23334cb6689087c0ae16109213b196f15474b5e99b1a", kill_on_drop: false }`
[INFO] [stdout] 3b24e9450386ed23e73a23334cb6689087c0ae16109213b196f15474b5e99b1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22629f4281c5e2f62da765bf7b8011c8b21d89611454cd09fe7bbcf4c1522f9b
[INFO] running `Command { std: "docker" "start" "-a" "22629f4281c5e2f62da765bf7b8011c8b21d89611454cd09fe7bbcf4c1522f9b", 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]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `dyn Subscription`, found `&mut DefaultSubscription<...>`
[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<_, _>, (dyn Subscription + 'static))`
[INFO] [stdout]               found signature `fn(&SimpleObserver<_, _>, &mut DefaultSubscription<DefaultObservable<T, E>>)`
[INFO] [stdout] help: change the parameter type to match the trait
[INFO] [stdout]    |
[INFO] [stdout] 41 -   fn start(&self, subscription: &mut DefaultSubscription<DefaultObservable<T, E>>) {
[INFO] [stdout] 41 +   fn start(&self, subscription: (dyn Subscription + 'static)) {
[INFO] [stdout]    |
[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] running `Command { std: "docker" "inspect" "22629f4281c5e2f62da765bf7b8011c8b21d89611454cd09fe7bbcf4c1522f9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22629f4281c5e2f62da765bf7b8011c8b21d89611454cd09fe7bbcf4c1522f9b", kill_on_drop: false }`
[INFO] [stdout] 22629f4281c5e2f62da765bf7b8011c8b21d89611454cd09fe7bbcf4c1522f9b