[INFO] fetching crate wasm-slideshow 0.1.0...
[INFO] documenting wasm-slideshow-0.1.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate wasm-slideshow 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate wasm-slideshow 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate wasm-slideshow 0.1.0
[INFO] finished tweaking crates.io crate wasm-slideshow 0.1.0
[INFO] tweaked toml for crates.io crate wasm-slideshow 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b1f163925859588ccb42f2b8c1a485fdb175b874546fba8f054ee0eedc46868
[INFO] running `Command { std: "docker" "start" "-a" "7b1f163925859588ccb42f2b8c1a485fdb175b874546fba8f054ee0eedc46868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b1f163925859588ccb42f2b8c1a485fdb175b874546fba8f054ee0eedc46868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b1f163925859588ccb42f2b8c1a485fdb175b874546fba8f054ee0eedc46868", kill_on_drop: false }`
[INFO] [stdout] 7b1f163925859588ccb42f2b8c1a485fdb175b874546fba8f054ee0eedc46868
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 347ef9dcddb941d9902694f47fa1d12f6fc193c8e17ef3aa1265b4ef51d4ec4a
[INFO] running `Command { std: "docker" "start" "-a" "347ef9dcddb941d9902694f47fa1d12f6fc193c8e17ef3aa1265b4ef51d4ec4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.89
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.89
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.89
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.89
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.89
[INFO] [stderr]     Checking js-sys v0.3.66
[INFO] [stderr]     Checking web-sys v0.3.66
[INFO] [stderr]  Documenting wasm-slideshow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/lib.rs:177:19
[INFO] [stdout]     |
[INFO] [stdout] 177 |         .collect(): Result<(), JsValue>)?;
[INFO] [stdout]     |                   ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `wasm-slideshow`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type cdylib --crate-name wasm_slideshow src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=42e3156f040ef2fc -L dependency=/opt/rustwide/target/debug/deps --extern js_sys=/opt/rustwide/target/debug/deps/libjs_sys-3eca2b9e0c5df07a.rmeta --extern wasm_bindgen=/opt/rustwide/target/debug/deps/libwasm_bindgen-64e126dff09ecf58.rmeta --extern web_sys=/opt/rustwide/target/debug/deps/libweb_sys-f9aabb0cb29de8c5.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "347ef9dcddb941d9902694f47fa1d12f6fc193c8e17ef3aa1265b4ef51d4ec4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "347ef9dcddb941d9902694f47fa1d12f6fc193c8e17ef3aa1265b4ef51d4ec4a", kill_on_drop: false }`
[INFO] [stdout] 347ef9dcddb941d9902694f47fa1d12f6fc193c8e17ef3aa1265b4ef51d4ec4a
[INFO] documenting wasm-slideshow-0.1.0 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate wasm-slideshow 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate wasm-slideshow 0.1.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate wasm-slideshow 0.1.0
[INFO] finished tweaking crates.io crate wasm-slideshow 0.1.0
[INFO] tweaked toml for crates.io crate wasm-slideshow 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 623c0b371ecedb870ed1f7c4e95b1212ed83a1dbffd6fd7007bdd540cb315b29
[INFO] running `Command { std: "docker" "start" "-a" "623c0b371ecedb870ed1f7c4e95b1212ed83a1dbffd6fd7007bdd540cb315b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "623c0b371ecedb870ed1f7c4e95b1212ed83a1dbffd6fd7007bdd540cb315b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "623c0b371ecedb870ed1f7c4e95b1212ed83a1dbffd6fd7007bdd540cb315b29", kill_on_drop: false }`
[INFO] [stdout] 623c0b371ecedb870ed1f7c4e95b1212ed83a1dbffd6fd7007bdd540cb315b29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30f195a464f2186bececaf455bbd06fd0b037eb059bfd93ade7fd2f3d956a480
[INFO] running `Command { std: "docker" "start" "-a" "30f195a464f2186bececaf455bbd06fd0b037eb059bfd93ade7fd2f3d956a480", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.89
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.89
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.89
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.89
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.89
[INFO] [stderr]     Checking js-sys v0.3.66
[INFO] [stderr]     Checking web-sys v0.3.66
[INFO] [stderr]  Documenting wasm-slideshow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/lib.rs:177:19
[INFO] [stdout]     |
[INFO] [stdout] 177 |         .collect(): Result<(), JsValue>)?;
[INFO] [stdout]     |                   ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `wasm-slideshow`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type cdylib --crate-name wasm_slideshow src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d981c79df6440c56 -L dependency=/opt/rustwide/target/debug/deps --extern js_sys=/opt/rustwide/target/debug/deps/libjs_sys-7d7930b6bfcf200c.rmeta --extern wasm_bindgen=/opt/rustwide/target/debug/deps/libwasm_bindgen-db28362651aa533a.rmeta --extern web_sys=/opt/rustwide/target/debug/deps/libweb_sys-52925b134abf88ba.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "30f195a464f2186bececaf455bbd06fd0b037eb059bfd93ade7fd2f3d956a480", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30f195a464f2186bececaf455bbd06fd0b037eb059bfd93ade7fd2f3d956a480", kill_on_drop: false }`
[INFO] [stdout] 30f195a464f2186bececaf455bbd06fd0b037eb059bfd93ade7fd2f3d956a480
