[INFO] fetching crate fixed 2.0.0-alpha.12...
[INFO] documenting fixed-2.0.0-alpha.12 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate fixed 2.0.0-alpha.12 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate fixed 2.0.0-alpha.12 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] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate fixed 2.0.0-alpha.12
[INFO] finished tweaking crates.io crate fixed 2.0.0-alpha.12
[INFO] tweaked toml for crates.io crate fixed 2.0.0-alpha.12 written to /workspace/builds/worker-0-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 borsh-derive v0.10.3
[INFO] [stderr]   Downloaded borsh-schema-derive-internal v0.10.3
[INFO] [stderr]   Downloaded borsh-derive-internal v0.10.3
[INFO] [stderr]   Downloaded borsh v0.10.3
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 158b4abbc97d92c404c3a1348be8cd12b50f138f8cbb9d19a3718ea9f48cfaad
[INFO] running `Command { std: "docker" "start" "-a" "158b4abbc97d92c404c3a1348be8cd12b50f138f8cbb9d19a3718ea9f48cfaad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "158b4abbc97d92c404c3a1348be8cd12b50f138f8cbb9d19a3718ea9f48cfaad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "158b4abbc97d92c404c3a1348be8cd12b50f138f8cbb9d19a3718ea9f48cfaad", kill_on_drop: false }`
[INFO] [stdout] 158b4abbc97d92c404c3a1348be8cd12b50f138f8cbb9d19a3718ea9f48cfaad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e8f8365f20ca1a4815c0ae771c8e59db6d7f8fc29a1438141bf34b225467407b
[INFO] running `Command { std: "docker" "start" "-a" "e8f8365f20ca1a4815c0ae771c8e59db6d7f8fc29a1438141bf34b225467407b", kill_on_drop: false }`
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling fixed v2.0.0-alpha.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]  Documenting fixed v2.0.0-alpha.12 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:413:1
[INFO] [stdout]     |
[INFO] [stdout] 413 | #![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 `fixed`
[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 fixed src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3865272faea7548d -L dependency=/opt/rustwide/target/debug/deps --extern az=/opt/rustwide/target/debug/deps/libaz-106413e89fe80d94.rmeta --extern bytemuck=/opt/rustwide/target/debug/deps/libbytemuck-5534741672bec0e6.rmeta --extern half=/opt/rustwide/target/debug/deps/libhalf-8a600cafb5f60372.rmeta --cap-lints=warn --crate-version 2.0.0-alpha.12` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e8f8365f20ca1a4815c0ae771c8e59db6d7f8fc29a1438141bf34b225467407b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8f8365f20ca1a4815c0ae771c8e59db6d7f8fc29a1438141bf34b225467407b", kill_on_drop: false }`
[INFO] [stdout] e8f8365f20ca1a4815c0ae771c8e59db6d7f8fc29a1438141bf34b225467407b
