[INFO] fetching crate runa-io-traits 0.0.1-alpha1...
[INFO] documenting runa-io-traits-0.0.1-alpha1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate runa-io-traits 0.0.1-alpha1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate runa-io-traits 0.0.1-alpha1 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 runa-io-traits 0.0.1-alpha1
[INFO] finished tweaking crates.io crate runa-io-traits 0.0.1-alpha1
[INFO] tweaked toml for crates.io crate runa-io-traits 0.0.1-alpha1 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" "+1.75.0" "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-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e257c67d591c98623cc03791b10815633c75dfb4ab38b445b6b2cbb32e53742b
[INFO] running `Command { std: "docker" "start" "-a" "e257c67d591c98623cc03791b10815633c75dfb4ab38b445b6b2cbb32e53742b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e257c67d591c98623cc03791b10815633c75dfb4ab38b445b6b2cbb32e53742b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e257c67d591c98623cc03791b10815633c75dfb4ab38b445b6b2cbb32e53742b", kill_on_drop: false }`
[INFO] [stdout] e257c67d591c98623cc03791b10815633c75dfb4ab38b445b6b2cbb32e53742b
[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" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98107872921a605501e759e540de4674b5cae708204aabc8d9ee6d7dd47d3d79
[INFO] running `Command { std: "docker" "start" "-a" "98107872921a605501e759e540de4674b5cae708204aabc8d9ee6d7dd47d3d79", kill_on_drop: false }`
[INFO] [stderr]  Documenting runa-io-traits v0.0.1-alpha1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_alias_impl_trait)]
[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 `runa-io-traits`
[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=2021 --crate-type lib --crate-name runa_io_traits src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6cebe7c317480d20 -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-19782e77171d7466.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-68b6da87e198f39a.rmeta --cap-lints=warn --crate-version 0.0.1-alpha1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "98107872921a605501e759e540de4674b5cae708204aabc8d9ee6d7dd47d3d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98107872921a605501e759e540de4674b5cae708204aabc8d9ee6d7dd47d3d79", kill_on_drop: false }`
[INFO] [stdout] 98107872921a605501e759e540de4674b5cae708204aabc8d9ee6d7dd47d3d79
[INFO] documenting runa-io-traits-0.0.1-alpha1 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate runa-io-traits 0.0.1-alpha1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate runa-io-traits 0.0.1-alpha1 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 runa-io-traits 0.0.1-alpha1
[INFO] finished tweaking crates.io crate runa-io-traits 0.0.1-alpha1
[INFO] tweaked toml for crates.io crate runa-io-traits 0.0.1-alpha1 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-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[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-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f50c677c7919bc509e5b700ec8b33a4506ac786bfbfe75f2892c955cd464ac8
[INFO] running `Command { std: "docker" "start" "-a" "1f50c677c7919bc509e5b700ec8b33a4506ac786bfbfe75f2892c955cd464ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f50c677c7919bc509e5b700ec8b33a4506ac786bfbfe75f2892c955cd464ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f50c677c7919bc509e5b700ec8b33a4506ac786bfbfe75f2892c955cd464ac8", kill_on_drop: false }`
[INFO] [stdout] 1f50c677c7919bc509e5b700ec8b33a4506ac786bfbfe75f2892c955cd464ac8
[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-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ed573e23ca3683060e371e405908621f525002f520c17f4285a5f18da5d2023
[INFO] running `Command { std: "docker" "start" "-a" "7ed573e23ca3683060e371e405908621f525002f520c17f4285a5f18da5d2023", kill_on_drop: false }`
[INFO] [stderr]  Documenting runa-io-traits v0.0.1-alpha1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_alias_impl_trait)]
[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 `runa-io-traits`
[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=2021 --crate-type lib --crate-name runa_io_traits src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b841c6a07cca87e8 -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-c0a5d3e6d3fe5695.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-5ec8ae3c87b544e9.rmeta --cap-lints=warn --crate-version 0.0.1-alpha1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "7ed573e23ca3683060e371e405908621f525002f520c17f4285a5f18da5d2023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed573e23ca3683060e371e405908621f525002f520c17f4285a5f18da5d2023", kill_on_drop: false }`
[INFO] [stdout] 7ed573e23ca3683060e371e405908621f525002f520c17f4285a5f18da5d2023
