[INFO] fetching crate memory-lcd-spi 0.0.5...
[INFO] documenting memory-lcd-spi-0.0.5 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate memory-lcd-spi 0.0.5 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate memory-lcd-spi 0.0.5 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 memory-lcd-spi 0.0.5
[INFO] finished tweaking crates.io crate memory-lcd-spi 0.0.5
[INFO] tweaked toml for crates.io crate memory-lcd-spi 0.0.5 written to /workspace/builds/worker-4-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]     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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dad7ef2cec7b311f8d0c86aa9b6d42145f75d13b15d0534d65b1588b30952736
[INFO] running `Command { std: "docker" "start" "-a" "dad7ef2cec7b311f8d0c86aa9b6d42145f75d13b15d0534d65b1588b30952736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dad7ef2cec7b311f8d0c86aa9b6d42145f75d13b15d0534d65b1588b30952736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dad7ef2cec7b311f8d0c86aa9b6d42145f75d13b15d0534d65b1588b30952736", kill_on_drop: false }`
[INFO] [stdout] dad7ef2cec7b311f8d0c86aa9b6d42145f75d13b15d0534d65b1588b30952736
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 63568edcda72e8283ea95ec718475ff4993a48cb5048cb8864c3feabf83cccae
[INFO] running `Command { std: "docker" "start" "-a" "63568edcda72e8283ea95ec718475ff4993a48cb5048cb8864c3feabf83cccae", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling defmt-macros v0.3.6
[INFO] [stderr]    Compiling defmt v0.3.5
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.10
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling defmt-parser v0.3.3
[INFO] [stderr]     Checking embedded-graphics-core v0.4.0
[INFO] [stderr]  Documenting memory-lcd-spi v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(generic_const_exprs)]
[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 `memory-lcd-spi`
[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 memory_lcd_spi src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ca2f70700aa5cc79 -L dependency=/opt/rustwide/target/debug/deps --extern embedded_graphics_core=/opt/rustwide/target/debug/deps/libembedded_graphics_core-a66af04c7a813aaf.rmeta --extern embedded_hal_02=/opt/rustwide/target/debug/deps/libembedded_hal-9884b757a08a5c34.rmeta --extern embedded_hal_1=/opt/rustwide/target/debug/deps/libembedded_hal-c629089f26be589c.rmeta --cap-lints=warn --crate-version 0.0.5` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "63568edcda72e8283ea95ec718475ff4993a48cb5048cb8864c3feabf83cccae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63568edcda72e8283ea95ec718475ff4993a48cb5048cb8864c3feabf83cccae", kill_on_drop: false }`
[INFO] [stdout] 63568edcda72e8283ea95ec718475ff4993a48cb5048cb8864c3feabf83cccae
