[INFO] fetching crate gpu_rand 0.1.3...
[INFO] documenting gpu_rand-0.1.3 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate gpu_rand 0.1.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate gpu_rand 0.1.3 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 gpu_rand 0.1.3
[INFO] finished tweaking crates.io crate gpu_rand 0.1.3
[INFO] tweaked toml for crates.io crate gpu_rand 0.1.3 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 mint v0.5.9
[INFO] [stderr]   Downloaded cust_derive v0.2.0
[INFO] [stderr]   Downloaded cuda_std_macros v0.2.0
[INFO] [stderr]   Downloaded cust_core v0.1.1
[INFO] [stderr]   Downloaded glam v0.20.5
[INFO] [stderr]   Downloaded cuda_std v0.2.2
[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] 975216db6eec796c7a09df4f9f69f52ae9ae44a42ab1e075a1ba6ac6d8c22b45
[INFO] running `Command { std: "docker" "start" "-a" "975216db6eec796c7a09df4f9f69f52ae9ae44a42ab1e075a1ba6ac6d8c22b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "975216db6eec796c7a09df4f9f69f52ae9ae44a42ab1e075a1ba6ac6d8c22b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "975216db6eec796c7a09df4f9f69f52ae9ae44a42ab1e075a1ba6ac6d8c22b45", kill_on_drop: false }`
[INFO] [stdout] 975216db6eec796c7a09df4f9f69f52ae9ae44a42ab1e075a1ba6ac6d8c22b45
[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] d55ac45a0ca57e0812804ff777d98f3565aae36796617e64b31d9d88d7e66fdc
[INFO] running `Command { std: "docker" "start" "-a" "d55ac45a0ca57e0812804ff777d98f3565aae36796617e64b31d9d88d7e66fdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking mint v0.5.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling vek v0.15.10
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking glam v0.20.5
[INFO] [stderr]    Compiling cust_derive v0.2.0
[INFO] [stderr]     Checking cust_core v0.1.1
[INFO] [stderr]  Documenting gpu_rand v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(doc_cfg)]
[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 `gpu_rand`
[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 gpu_rand src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9ef2cb00d0565e5a -L dependency=/opt/rustwide/target/debug/deps --extern cust_core=/opt/rustwide/target/debug/deps/libcust_core-7bd3668cf6b112a2.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-eaf3fcd3da75dc80.rmeta --cap-lints=warn --crate-version 0.1.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d55ac45a0ca57e0812804ff777d98f3565aae36796617e64b31d9d88d7e66fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d55ac45a0ca57e0812804ff777d98f3565aae36796617e64b31d9d88d7e66fdc", kill_on_drop: false }`
[INFO] [stdout] d55ac45a0ca57e0812804ff777d98f3565aae36796617e64b31d9d88d7e66fdc
