[INFO] fetching crate ra-ap-rustc_index 0.20.0...
[INFO] documenting ra-ap-rustc_index-0.20.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate ra-ap-rustc_index 0.20.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ra-ap-rustc_index 0.20.0 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 ra-ap-rustc_index 0.20.0
[INFO] finished tweaking crates.io crate ra-ap-rustc_index 0.20.0
[INFO] tweaked toml for crates.io crate ra-ap-rustc_index 0.20.0 written to /workspace/builds/worker-0-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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ra-ap-rustc_index_macros v0.20.0
[INFO] [stderr]   Downloaded thin-vec v0.2.13
[INFO] [stderr]   Downloaded ra-ap-rustc_serialize v0.20.0
[INFO] [stderr]   Downloaded ra-ap-rustc_macros v0.20.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 365b5831fb656d9b5d8d3c4da9e5cf613dd038130154489637b3a839dcdfbe6d
[INFO] running `Command { std: "docker" "start" "-a" "365b5831fb656d9b5d8d3c4da9e5cf613dd038130154489637b3a839dcdfbe6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "365b5831fb656d9b5d8d3c4da9e5cf613dd038130154489637b3a839dcdfbe6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "365b5831fb656d9b5d8d3c4da9e5cf613dd038130154489637b3a839dcdfbe6d", kill_on_drop: false }`
[INFO] [stdout] 365b5831fb656d9b5d8d3c4da9e5cf613dd038130154489637b3a839dcdfbe6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6ba74f81d0c47cb34e9c5907639055df5521897cbc5347cebf067acb082c6e81
[INFO] running `Command { std: "docker" "start" "-a" "6ba74f81d0c47cb34e9c5907639055df5521897cbc5347cebf067acb082c6e81", kill_on_drop: false }`
[INFO] [stderr]     Checking thin-vec v0.2.13
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling synstructure v0.13.1
[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" "6ba74f81d0c47cb34e9c5907639055df5521897cbc5347cebf067acb082c6e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ba74f81d0c47cb34e9c5907639055df5521897cbc5347cebf067acb082c6e81", kill_on_drop: false }`
[INFO] [stdout] 6ba74f81d0c47cb34e9c5907639055df5521897cbc5347cebf067acb082c6e81
[INFO] documenting ra-ap-rustc_index-0.20.0 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate ra-ap-rustc_index 0.20.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate ra-ap-rustc_index 0.20.0 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 ra-ap-rustc_index 0.20.0
[INFO] finished tweaking crates.io crate ra-ap-rustc_index 0.20.0
[INFO] tweaked toml for crates.io crate ra-ap-rustc_index 0.20.0 written to /workspace/builds/worker-0-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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e15df6b844a92e653941c063aee5351bfd4bb8aad8417b79e22d4cc9c1130011
[INFO] running `Command { std: "docker" "start" "-a" "e15df6b844a92e653941c063aee5351bfd4bb8aad8417b79e22d4cc9c1130011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e15df6b844a92e653941c063aee5351bfd4bb8aad8417b79e22d4cc9c1130011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e15df6b844a92e653941c063aee5351bfd4bb8aad8417b79e22d4cc9c1130011", kill_on_drop: false }`
[INFO] [stdout] e15df6b844a92e653941c063aee5351bfd4bb8aad8417b79e22d4cc9c1130011
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2d6d3b320c6fe0c8d1fa2f553224cef13a8d5c5fe6fc8b3edddd7baf2f6eea5d
[INFO] running `Command { std: "docker" "start" "-a" "2d6d3b320c6fe0c8d1fa2f553224cef13a8d5c5fe6fc8b3edddd7baf2f6eea5d", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking thin-vec v0.2.13
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling synstructure v0.13.1
[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" "2d6d3b320c6fe0c8d1fa2f553224cef13a8d5c5fe6fc8b3edddd7baf2f6eea5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d6d3b320c6fe0c8d1fa2f553224cef13a8d5c5fe6fc8b3edddd7baf2f6eea5d", kill_on_drop: false }`
[INFO] [stdout] 2d6d3b320c6fe0c8d1fa2f553224cef13a8d5c5fe6fc8b3edddd7baf2f6eea5d
