[INFO] fetching crate msp430 0.4.1...
[INFO] documenting msp430-0.4.1 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate msp430 0.4.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate msp430 0.4.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate msp430 0.4.1
[INFO] finished tweaking crates.io crate msp430 0.4.1
[INFO] tweaked toml for crates.io crate msp430 0.4.1 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" "+1.76.0" "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" "+1.76.0" "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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db7ebc6e46b6f69efef53b4303a42a6ae40632491a54a7930d8047ab2c8c40ab
[INFO] running `Command { std: "docker" "start" "-a" "db7ebc6e46b6f69efef53b4303a42a6ae40632491a54a7930d8047ab2c8c40ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db7ebc6e46b6f69efef53b4303a42a6ae40632491a54a7930d8047ab2c8c40ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db7ebc6e46b6f69efef53b4303a42a6ae40632491a54a7930d8047ab2c8c40ab", kill_on_drop: false }`
[INFO] [stdout] db7ebc6e46b6f69efef53b4303a42a6ae40632491a54a7930d8047ab2c8c40ab
[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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6cf1374e735225bdefba0a4084c47e3c8e22a3c584a45746255984d804d40c9
[INFO] running `Command { std: "docker" "start" "-a" "d6cf1374e735225bdefba0a4084c47e3c8e22a3c584a45746255984d804d40c9", kill_on_drop: false }`
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]  Documenting msp430 v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(asm_experimental_arch)]
[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 `msp430`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name msp430 src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=364e75007027d460 -L dependency=/opt/rustwide/target/debug/deps --extern critical_section=/opt/rustwide/target/debug/deps/libcritical_section-939be3ce8e75d091.rmeta --cap-lints=warn --crate-version 0.4.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d6cf1374e735225bdefba0a4084c47e3c8e22a3c584a45746255984d804d40c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6cf1374e735225bdefba0a4084c47e3c8e22a3c584a45746255984d804d40c9", kill_on_drop: false }`
[INFO] [stdout] d6cf1374e735225bdefba0a4084c47e3c8e22a3c584a45746255984d804d40c9
