[INFO] fetching crate packed-vec 0.0.1-alpha.12...
[INFO] documenting packed-vec-0.0.1-alpha.12 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate packed-vec 0.0.1-alpha.12 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate packed-vec 0.0.1-alpha.12 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 packed-vec 0.0.1-alpha.12
[INFO] finished tweaking crates.io crate packed-vec 0.0.1-alpha.12
[INFO] tweaked toml for crates.io crate packed-vec 0.0.1-alpha.12 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]     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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prefix-varint v0.0.1-alpha.6
[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] ad711924d7ff7cb4831e0c76a8af24e3cc39987c1e81ea78f2457bbb6198405f
[INFO] running `Command { std: "docker" "start" "-a" "ad711924d7ff7cb4831e0c76a8af24e3cc39987c1e81ea78f2457bbb6198405f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad711924d7ff7cb4831e0c76a8af24e3cc39987c1e81ea78f2457bbb6198405f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad711924d7ff7cb4831e0c76a8af24e3cc39987c1e81ea78f2457bbb6198405f", kill_on_drop: false }`
[INFO] [stdout] ad711924d7ff7cb4831e0c76a8af24e3cc39987c1e81ea78f2457bbb6198405f
[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] b6bc9fd1acf86dd9a6eba1d4fe25b8c582a23f326ff690eb6b707a8250e12c99
[INFO] running `Command { std: "docker" "start" "-a" "b6bc9fd1acf86dd9a6eba1d4fe25b8c582a23f326ff690eb6b707a8250e12c99", kill_on_drop: false }`
[INFO] [stderr]     Checking prefix-varint v0.0.1-alpha.6
[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/prefix-varint-0.0.1-alpha.6/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(cursor_remaining)]
[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 compile `prefix-varint` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b6bc9fd1acf86dd9a6eba1d4fe25b8c582a23f326ff690eb6b707a8250e12c99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6bc9fd1acf86dd9a6eba1d4fe25b8c582a23f326ff690eb6b707a8250e12c99", kill_on_drop: false }`
[INFO] [stdout] b6bc9fd1acf86dd9a6eba1d4fe25b8c582a23f326ff690eb6b707a8250e12c99
[INFO] documenting packed-vec-0.0.1-alpha.12 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate packed-vec 0.0.1-alpha.12 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate packed-vec 0.0.1-alpha.12 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 packed-vec 0.0.1-alpha.12
[INFO] finished tweaking crates.io crate packed-vec 0.0.1-alpha.12
[INFO] tweaked toml for crates.io crate packed-vec 0.0.1-alpha.12 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] [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-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] 9dbaf0e1a7a5df670f9a2f63a27e5ff822ddd0aa23cebf7a6a254c9a60e2653d
[INFO] running `Command { std: "docker" "start" "-a" "9dbaf0e1a7a5df670f9a2f63a27e5ff822ddd0aa23cebf7a6a254c9a60e2653d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dbaf0e1a7a5df670f9a2f63a27e5ff822ddd0aa23cebf7a6a254c9a60e2653d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dbaf0e1a7a5df670f9a2f63a27e5ff822ddd0aa23cebf7a6a254c9a60e2653d", kill_on_drop: false }`
[INFO] [stdout] 9dbaf0e1a7a5df670f9a2f63a27e5ff822ddd0aa23cebf7a6a254c9a60e2653d
[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] ed45bfe34d7e5a54d5416b822c5d007feab7abaf9767e9a36893a1812c6907d5
[INFO] running `Command { std: "docker" "start" "-a" "ed45bfe34d7e5a54d5416b822c5d007feab7abaf9767e9a36893a1812c6907d5", kill_on_drop: false }`
[INFO] [stderr]     Checking prefix-varint v0.0.1-alpha.6
[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/prefix-varint-0.0.1-alpha.6/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(cursor_remaining)]
[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 `prefix-varint` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ed45bfe34d7e5a54d5416b822c5d007feab7abaf9767e9a36893a1812c6907d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed45bfe34d7e5a54d5416b822c5d007feab7abaf9767e9a36893a1812c6907d5", kill_on_drop: false }`
[INFO] [stdout] ed45bfe34d7e5a54d5416b822c5d007feab7abaf9767e9a36893a1812c6907d5
