[INFO] fetching crate emf-core-base-rs-ffi 0.1.2...
[INFO] documenting emf-core-base-rs-ffi-0.1.2 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate emf-core-base-rs-ffi 0.1.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate emf-core-base-rs-ffi 0.1.2 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] started tweaking crates.io crate emf-core-base-rs-ffi 0.1.2
[INFO] finished tweaking crates.io crate emf-core-base-rs-ffi 0.1.2
[INFO] tweaked toml for crates.io crate emf-core-base-rs-ffi 0.1.2 written to /workspace/builds/worker-1-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]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f4cda1bb071601ee039d44949325e8e09b560bf7c9dbadcd4271817f287c98e4
[INFO] running `Command { std: "docker" "start" "-a" "f4cda1bb071601ee039d44949325e8e09b560bf7c9dbadcd4271817f287c98e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4cda1bb071601ee039d44949325e8e09b560bf7c9dbadcd4271817f287c98e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4cda1bb071601ee039d44949325e8e09b560bf7c9dbadcd4271817f287c98e4", kill_on_drop: false }`
[INFO] [stdout] f4cda1bb071601ee039d44949325e8e09b560bf7c9dbadcd4271817f287c98e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ae826b3d4727215e3c1f4a2cdaea0c69c2a850061a08fac6e2139c835a2d87dd
[INFO] running `Command { std: "docker" "start" "-a" "ae826b3d4727215e3c1f4a2cdaea0c69c2a850061a08fac6e2139c835a2d87dd", kill_on_drop: false }`
[INFO] [stderr]  Documenting emf-core-base-rs-ffi v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(c_unwind)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `emf-core-base-rs-ffi`
[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 lib --crate-name emf_core_base_rs_ffi src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=bf9cf4cde5386a71 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ae826b3d4727215e3c1f4a2cdaea0c69c2a850061a08fac6e2139c835a2d87dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae826b3d4727215e3c1f4a2cdaea0c69c2a850061a08fac6e2139c835a2d87dd", kill_on_drop: false }`
[INFO] [stdout] ae826b3d4727215e3c1f4a2cdaea0c69c2a850061a08fac6e2139c835a2d87dd
[INFO] documenting emf-core-base-rs-ffi-0.1.2 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate emf-core-base-rs-ffi 0.1.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate emf-core-base-rs-ffi 0.1.2 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] started tweaking crates.io crate emf-core-base-rs-ffi 0.1.2
[INFO] finished tweaking crates.io crate emf-core-base-rs-ffi 0.1.2
[INFO] tweaked toml for crates.io crate emf-core-base-rs-ffi 0.1.2 written to /workspace/builds/worker-1-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] 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4050b7a3565bd1befed587e40aba7ecf2a9c075d9aa7ac502264c2ea0ab9bb0c
[INFO] running `Command { std: "docker" "start" "-a" "4050b7a3565bd1befed587e40aba7ecf2a9c075d9aa7ac502264c2ea0ab9bb0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4050b7a3565bd1befed587e40aba7ecf2a9c075d9aa7ac502264c2ea0ab9bb0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4050b7a3565bd1befed587e40aba7ecf2a9c075d9aa7ac502264c2ea0ab9bb0c", kill_on_drop: false }`
[INFO] [stdout] 4050b7a3565bd1befed587e40aba7ecf2a9c075d9aa7ac502264c2ea0ab9bb0c
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/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] 31f2f979f6551dd9a669c141eec56dd8e4389df60c2571c21189c56fc2aeae60
[INFO] running `Command { std: "docker" "start" "-a" "31f2f979f6551dd9a669c141eec56dd8e4389df60c2571c21189c56fc2aeae60", kill_on_drop: false }`
[INFO] [stderr]  Documenting emf-core-base-rs-ffi v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(c_unwind)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `emf-core-base-rs-ffi`
[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 lib --crate-name emf_core_base_rs_ffi src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=5ea1bb5a47b8dd11 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "31f2f979f6551dd9a669c141eec56dd8e4389df60c2571c21189c56fc2aeae60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f2f979f6551dd9a669c141eec56dd8e4389df60c2571c21189c56fc2aeae60", kill_on_drop: false }`
[INFO] [stdout] 31f2f979f6551dd9a669c141eec56dd8e4389df60c2571c21189c56fc2aeae60
