[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-2022-05-20 for beta-1.62-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdmichaud%2Frs-observable" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jdmichaud/rs-observable on toolchain beta-2022-05-20 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-2/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: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2285f32c37b60a906aac327eadfcc23d938bf72487488a4b9e8935f8a76fa821 [INFO] running `Command { std: "docker" "start" "-a" "2285f32c37b60a906aac327eadfcc23d938bf72487488a4b9e8935f8a76fa821", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2285f32c37b60a906aac327eadfcc23d938bf72487488a4b9e8935f8a76fa821", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2285f32c37b60a906aac327eadfcc23d938bf72487488a4b9e8935f8a76fa821", kill_on_drop: false }` [INFO] [stdout] 2285f32c37b60a906aac327eadfcc23d938bf72487488a4b9e8935f8a76fa821 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 54c153a4ac8594e59ac752bf1b5af519f914ad656d98521fb7ce12f691663a03 [INFO] running `Command { std: "docker" "start" "-a" "54c153a4ac8594e59ac752bf1b5af519f914ad656d98521fb7ce12f691663a03", 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>) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected trait object `dyn Subscription`, found mutable reference [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 fn pointer `fn(&SimpleObserver, (dyn Subscription + 'static))` [INFO] [stdout] found fn pointer `fn(&SimpleObserver, &mut DefaultSubscription>)` [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" "54c153a4ac8594e59ac752bf1b5af519f914ad656d98521fb7ce12f691663a03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54c153a4ac8594e59ac752bf1b5af519f914ad656d98521fb7ce12f691663a03", kill_on_drop: false }` [INFO] [stdout] 54c153a4ac8594e59ac752bf1b5af519f914ad656d98521fb7ce12f691663a03