[INFO] fetching crate rustc-ap-serialize 662.0.0...
[INFO] documenting rustc-ap-serialize-662.0.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate rustc-ap-serialize 662.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate rustc-ap-serialize 662.0.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustc-ap-serialize 662.0.0
[INFO] finished tweaking crates.io crate rustc-ap-serialize 662.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-serialize 662.0.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c6ad5a16e1ea6c59322e625df9aa9a2988f6eae90e41677a5f7182569bcb9d5
[INFO] running `Command { std: "docker" "start" "-a" "3c6ad5a16e1ea6c59322e625df9aa9a2988f6eae90e41677a5f7182569bcb9d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c6ad5a16e1ea6c59322e625df9aa9a2988f6eae90e41677a5f7182569bcb9d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c6ad5a16e1ea6c59322e625df9aa9a2988f6eae90e41677a5f7182569bcb9d5", kill_on_drop: false }`
[INFO] [stdout] 3c6ad5a16e1ea6c59322e625df9aa9a2988f6eae90e41677a5f7182569bcb9d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a67ac3b12126f71f3330cf9c46119751091212d834947b8051d2431bb7fe388
[INFO] running `Command { std: "docker" "start" "-a" "0a67ac3b12126f71f3330cf9c46119751091212d834947b8051d2431bb7fe388", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smallvec-1.13.1/src/lib.rs:96:37
[INFO] [stdout]    |
[INFO] [stdout] 96 | #![cfg_attr(feature = "may_dangle", feature(dropck_eyepatch))]
[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 compile `smallvec` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0a67ac3b12126f71f3330cf9c46119751091212d834947b8051d2431bb7fe388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a67ac3b12126f71f3330cf9c46119751091212d834947b8051d2431bb7fe388", kill_on_drop: false }`
[INFO] [stdout] 0a67ac3b12126f71f3330cf9c46119751091212d834947b8051d2431bb7fe388
[INFO] documenting rustc-ap-serialize-662.0.0 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate rustc-ap-serialize 662.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate rustc-ap-serialize 662.0.0 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustc-ap-serialize 662.0.0
[INFO] finished tweaking crates.io crate rustc-ap-serialize 662.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-serialize 662.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e2e212eb913f205457224a269b0c821b45c166709633e914bfe6558df80d2ac
[INFO] running `Command { std: "docker" "start" "-a" "9e2e212eb913f205457224a269b0c821b45c166709633e914bfe6558df80d2ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e2e212eb913f205457224a269b0c821b45c166709633e914bfe6558df80d2ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e2e212eb913f205457224a269b0c821b45c166709633e914bfe6558df80d2ac", kill_on_drop: false }`
[INFO] [stdout] 9e2e212eb913f205457224a269b0c821b45c166709633e914bfe6558df80d2ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b081e9edaaead00454d5db15d0095ca850ac2b8cef06001a864c42c5f4ad7403
[INFO] running `Command { std: "docker" "start" "-a" "b081e9edaaead00454d5db15d0095ca850ac2b8cef06001a864c42c5f4ad7403", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smallvec-1.13.1/src/lib.rs:96:37
[INFO] [stdout]    |
[INFO] [stdout] 96 | #![cfg_attr(feature = "may_dangle", feature(dropck_eyepatch))]
[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 compile `smallvec` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b081e9edaaead00454d5db15d0095ca850ac2b8cef06001a864c42c5f4ad7403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b081e9edaaead00454d5db15d0095ca850ac2b8cef06001a864c42c5f4ad7403", kill_on_drop: false }`
[INFO] [stdout] b081e9edaaead00454d5db15d0095ca850ac2b8cef06001a864c42c5f4ad7403
