[INFO] fetching crate stack-queue 0.12.0...
[INFO] documenting stack-queue-0.12.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate stack-queue 0.12.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate stack-queue 0.12.0 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 stack-queue 0.12.0
[INFO] finished tweaking crates.io crate stack-queue 0.12.0
[INFO] tweaked toml for crates.io crate stack-queue 0.12.0 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" "+1.75.0" "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 derive-stack-queue v0.12.0
[INFO] [stderr]   Downloaded async-local v1.2.0
[INFO] [stderr]   Downloaded futures-test v0.3.30
[INFO] [stderr]   Downloaded async_t_internal v0.7.0
[INFO] [stderr]   Downloaded async_t v0.7.0
[INFO] [stderr]   Downloaded derive-async-local v1.2.0
[INFO] [stderr]   Downloaded diesel v2.1.4
[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] 48c9e6733115d3a327dc36d9b94e23a75a1d6603c8a101e4eabc897d6a1ea6c9
[INFO] running `Command { std: "docker" "start" "-a" "48c9e6733115d3a327dc36d9b94e23a75a1d6603c8a101e4eabc897d6a1ea6c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48c9e6733115d3a327dc36d9b94e23a75a1d6603c8a101e4eabc897d6a1ea6c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48c9e6733115d3a327dc36d9b94e23a75a1d6603c8a101e4eabc897d6a1ea6c9", kill_on_drop: false }`
[INFO] [stdout] 48c9e6733115d3a327dc36d9b94e23a75a1d6603c8a101e4eabc897d6a1ea6c9
[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] 8d4b407a16c56ff0dcdac197a22442e6e0432be97cd25d89ec7b483a25fd0017
[INFO] running `Command { std: "docker" "start" "-a" "8d4b407a16c56ff0dcdac197a22442e6e0432be97cd25d89ec7b483a25fd0017", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling async_t_internal v0.7.0
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]     Checking async_t v0.7.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling derive-async-local v1.2.0
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking async-local v1.2.0
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling derive-stack-queue v0.12.0
[INFO] [stderr]  Documenting stack-queue v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 |   feature(type_alias_impl_trait, impl_trait_in_assoc_type)
[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 `stack-queue`
[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 stack_queue src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=5ef4950544e8a0e1 -L dependency=/opt/rustwide/target/debug/deps --extern async_local=/opt/rustwide/target/debug/deps/libasync_local-4ac777f4d1a53533.rmeta --extern async_t=/opt/rustwide/target/debug/deps/libasync_t-eda36d635fa3c776.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-99be309635814e50.rmeta --extern derive_stack_queue=/opt/rustwide/target/debug/deps/libderive_stack_queue-f1b78576036bd2a5.so --extern pin_project=/opt/rustwide/target/debug/deps/libpin_project-f90ac3408c9cdca9.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-01c2cb407c008392.rmeta --cap-lints=warn --crate-version 0.12.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "8d4b407a16c56ff0dcdac197a22442e6e0432be97cd25d89ec7b483a25fd0017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d4b407a16c56ff0dcdac197a22442e6e0432be97cd25d89ec7b483a25fd0017", kill_on_drop: false }`
[INFO] [stdout] 8d4b407a16c56ff0dcdac197a22442e6e0432be97cd25d89ec7b483a25fd0017
[INFO] documenting stack-queue-0.12.0 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate stack-queue 0.12.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate stack-queue 0.12.0 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 stack-queue 0.12.0
[INFO] finished tweaking crates.io crate stack-queue 0.12.0
[INFO] tweaked toml for crates.io crate stack-queue 0.12.0 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-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-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] 176ed44ffce72ac1a22c434a2f97a3abcba429e51a2a88f9c72271d461a3e916
[INFO] running `Command { std: "docker" "start" "-a" "176ed44ffce72ac1a22c434a2f97a3abcba429e51a2a88f9c72271d461a3e916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "176ed44ffce72ac1a22c434a2f97a3abcba429e51a2a88f9c72271d461a3e916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "176ed44ffce72ac1a22c434a2f97a3abcba429e51a2a88f9c72271d461a3e916", kill_on_drop: false }`
[INFO] [stdout] 176ed44ffce72ac1a22c434a2f97a3abcba429e51a2a88f9c72271d461a3e916
[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] 61d0c64554be21a61118bd1108a4677b703ea73c6a4514ef645aeff91efcc830
[INFO] running `Command { std: "docker" "start" "-a" "61d0c64554be21a61118bd1108a4677b703ea73c6a4514ef645aeff91efcc830", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling async_t_internal v0.7.0
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]     Checking async_t v0.7.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling derive-async-local v1.2.0
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking async-local v1.2.0
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling derive-stack-queue v0.12.0
[INFO] [stderr]  Documenting stack-queue v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 |   feature(type_alias_impl_trait, impl_trait_in_assoc_type)
[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 `stack-queue`
[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 stack_queue src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ee0c20418d2c1c8f -L dependency=/opt/rustwide/target/debug/deps --extern async_local=/opt/rustwide/target/debug/deps/libasync_local-249ad2a57f01c4bf.rmeta --extern async_t=/opt/rustwide/target/debug/deps/libasync_t-96c866ca116cb651.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-f485ae04f7c344d8.rmeta --extern derive_stack_queue=/opt/rustwide/target/debug/deps/libderive_stack_queue-75b7fa9cc0c63e4d.so --extern pin_project=/opt/rustwide/target/debug/deps/libpin_project-1ff7ac7ba9b349b5.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-5a59ce59b5d29ce2.rmeta --cap-lints=warn --crate-version 0.12.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "61d0c64554be21a61118bd1108a4677b703ea73c6a4514ef645aeff91efcc830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d0c64554be21a61118bd1108a4677b703ea73c6a4514ef645aeff91efcc830", kill_on_drop: false }`
[INFO] [stdout] 61d0c64554be21a61118bd1108a4677b703ea73c6a4514ef645aeff91efcc830
