[INFO] fetching crate lexa-prompt 0.1.4...
[INFO] documenting lexa-prompt-0.1.4 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate lexa-prompt 0.1.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate lexa-prompt 0.1.4 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 lexa-prompt 0.1.4
[INFO] finished tweaking crates.io crate lexa-prompt 0.1.4
[INFO] tweaked toml for crates.io crate lexa-prompt 0.1.4 written to /workspace/builds/worker-7-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 lexa-prompt-macro v0.1.4
[INFO] [stderr]   Downloaded lexa-syn v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 46ca96a18ea91c7afa6f64b09f886ae2aac802c1f605caed1b75fb32d9a1dde2
[INFO] running `Command { std: "docker" "start" "-a" "46ca96a18ea91c7afa6f64b09f886ae2aac802c1f605caed1b75fb32d9a1dde2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46ca96a18ea91c7afa6f64b09f886ae2aac802c1f605caed1b75fb32d9a1dde2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46ca96a18ea91c7afa6f64b09f886ae2aac802c1f605caed1b75fb32d9a1dde2", kill_on_drop: false }`
[INFO] [stdout] 46ca96a18ea91c7afa6f64b09f886ae2aac802c1f605caed1b75fb32d9a1dde2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bbc283de073f9f25f1d7727517fc0f7ffedf31306467803e280a6247d58ba2fd
[INFO] running `Command { std: "docker" "start" "-a" "bbc283de073f9f25f1d7727517fc0f7ffedf31306467803e280a6247d58ba2fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking newline-converter v0.2.2
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking dyn-clone v1.0.16
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]    Compiling lexa-syn v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling lexa-prompt-macro v0.1.4
[INFO] [stderr]     Checking inquire v0.6.2
[INFO] [stderr]  Documenting lexa-prompt v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(return_position_impl_trait_in_trait)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `return_position_impl_trait_in_trait` has been stable since `1.75.0` and no longer requires an attribute to enable
[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 `lexa-prompt`
[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 lexa_prompt src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a5d36bdbcc39ede6 -L dependency=/opt/rustwide/target/debug/deps --extern inquire=/opt/rustwide/target/debug/deps/libinquire-bee5628f846bc994.rmeta --extern lexa_prompt_macro=/opt/rustwide/target/debug/deps/liblexa_prompt_macro-23cc8255f9e47284.so --extern log=/opt/rustwide/target/debug/deps/liblog-91e42ebaf8a62e54.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-7c462916088bc680.rmeta --cap-lints=warn --crate-version 0.1.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "bbc283de073f9f25f1d7727517fc0f7ffedf31306467803e280a6247d58ba2fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc283de073f9f25f1d7727517fc0f7ffedf31306467803e280a6247d58ba2fd", kill_on_drop: false }`
[INFO] [stdout] bbc283de073f9f25f1d7727517fc0f7ffedf31306467803e280a6247d58ba2fd
[INFO] documenting lexa-prompt-0.1.4 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate lexa-prompt 0.1.4 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate lexa-prompt 0.1.4 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 lexa-prompt 0.1.4
[INFO] finished tweaking crates.io crate lexa-prompt 0.1.4
[INFO] tweaked toml for crates.io crate lexa-prompt 0.1.4 written to /workspace/builds/worker-7-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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 14232f8db276a0ec697f4bf418202206fa74b66b9942d1eedf31a5b7231b5c69
[INFO] running `Command { std: "docker" "start" "-a" "14232f8db276a0ec697f4bf418202206fa74b66b9942d1eedf31a5b7231b5c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14232f8db276a0ec697f4bf418202206fa74b66b9942d1eedf31a5b7231b5c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14232f8db276a0ec697f4bf418202206fa74b66b9942d1eedf31a5b7231b5c69", kill_on_drop: false }`
[INFO] [stdout] 14232f8db276a0ec697f4bf418202206fa74b66b9942d1eedf31a5b7231b5c69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ecb49ced2fd8b81451ba961bd2fe7855e56caedd25ec42a8e1850678fdf7c908
[INFO] running `Command { std: "docker" "start" "-a" "ecb49ced2fd8b81451ba961bd2fe7855e56caedd25ec42a8e1850678fdf7c908", kill_on_drop: false }`
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking newline-converter v0.2.2
[INFO] [stderr]     Checking dyn-clone v1.0.16
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]    Compiling lexa-syn v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling lexa-prompt-macro v0.1.4
[INFO] [stderr]     Checking inquire v0.6.2
[INFO] [stderr]  Documenting lexa-prompt v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(return_position_impl_trait_in_trait)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `return_position_impl_trait_in_trait` has been stable since `1.75.0` and no longer requires an attribute to enable
[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 `lexa-prompt`
[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 lexa_prompt src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6c59f4cbd1c0f798 -L dependency=/opt/rustwide/target/debug/deps --extern inquire=/opt/rustwide/target/debug/deps/libinquire-ceb334c576d4ba67.rmeta --extern lexa_prompt_macro=/opt/rustwide/target/debug/deps/liblexa_prompt_macro-3e6e0d40edd2ea7d.so --extern log=/opt/rustwide/target/debug/deps/liblog-253dd6813867a002.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-01c343a0c38f3158.rmeta --cap-lints=warn --crate-version 0.1.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ecb49ced2fd8b81451ba961bd2fe7855e56caedd25ec42a8e1850678fdf7c908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecb49ced2fd8b81451ba961bd2fe7855e56caedd25ec42a8e1850678fdf7c908", kill_on_drop: false }`
[INFO] [stdout] ecb49ced2fd8b81451ba961bd2fe7855e56caedd25ec42a8e1850678fdf7c908
