[INFO] fetching crate tudelft-quadrupel 2.1.0...
[INFO] documenting tudelft-quadrupel-2.1.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate tudelft-quadrupel 2.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate tudelft-quadrupel 2.1.0 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] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate tudelft-quadrupel 2.1.0
[INFO] finished tweaking crates.io crate tudelft-quadrupel 2.1.0
[INFO] tweaked toml for crates.io crate tudelft-quadrupel 2.1.0 written to /workspace/builds/worker-2-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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nrf51-hal v0.16.0
[INFO] [stderr]   Downloaded ringbuffer v0.12.0
[INFO] [stderr]   Downloaded nrf-hal-common v0.16.0
[INFO] [stderr]   Downloaded alloc-cortex-m v0.4.4
[INFO] [stderr]   Downloaded embedded-storage v0.3.1
[INFO] [stderr]   Downloaded nrf51-pac v0.12.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7a62c96eedfd514e2fc3e26fe5ea21fbdaadc8ef45bc650dcbcae07e1641b30d
[INFO] running `Command { std: "docker" "start" "-a" "7a62c96eedfd514e2fc3e26fe5ea21fbdaadc8ef45bc650dcbcae07e1641b30d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a62c96eedfd514e2fc3e26fe5ea21fbdaadc8ef45bc650dcbcae07e1641b30d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a62c96eedfd514e2fc3e26fe5ea21fbdaadc8ef45bc650dcbcae07e1641b30d", kill_on_drop: false }`
[INFO] [stdout] 7a62c96eedfd514e2fc3e26fe5ea21fbdaadc8ef45bc650dcbcae07e1641b30d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7a62f5c1242da4ea5489f91f35e07245ac780bd5cfc1267c25a76b52c823e275
[INFO] running `Command { std: "docker" "start" "-a" "7a62f5c1242da4ea5489f91f35e07245ac780bd5cfc1267c25a76b52c823e275", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling nrf51-pac v0.12.2
[INFO] [stderr]    Compiling fixed v1.25.1
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]    Compiling nrf-hal-common v0.16.0
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]    Compiling nrf51-hal v0.16.0
[INFO] [stderr]     Checking embedded-storage v0.3.1
[INFO] [stderr]     Checking linked_list_allocator v0.10.5
[INFO] [stderr]     Checking ringbuffer v0.12.0
[INFO] [stderr]     Checking alloc-cortex-m v0.4.4
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]  Documenting tudelft-quadrupel v2.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(strict_provenance)]
[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 `tudelft-quadrupel`
[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=2021 --crate-type lib --crate-name tudelft_quadrupel src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=47d8ef63caec3653 -L dependency=/opt/rustwide/target/debug/deps --extern alloc_cortex_m=/opt/rustwide/target/debug/deps/liballoc_cortex_m-4cb1bee612cfba36.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-7302ef69eb2650a7.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-83dcf3696f6c42c1.rmeta --extern embedded_hal=/opt/rustwide/target/debug/deps/libembedded_hal-be595920cc3619b0.rmeta --extern fixed=/opt/rustwide/target/debug/deps/libfixed-54410aa23aa266f1.rmeta --extern nb=/opt/rustwide/target/debug/deps/libnb-f14242706e23b566.rmeta --extern nrf51_hal=/opt/rustwide/target/debug/deps/libnrf51_hal-af672c93df198b3d.rmeta --extern nrf51_pac=/opt/rustwide/target/debug/deps/libnrf51_pac-d2527a64b3c18650.rmeta --extern ringbuffer=/opt/rustwide/target/debug/deps/libringbuffer-40b311017c3dc912.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-9a5365810007ed5c.rmeta --cap-lints=warn --crate-version 2.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "7a62f5c1242da4ea5489f91f35e07245ac780bd5cfc1267c25a76b52c823e275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a62f5c1242da4ea5489f91f35e07245ac780bd5cfc1267c25a76b52c823e275", kill_on_drop: false }`
[INFO] [stdout] 7a62f5c1242da4ea5489f91f35e07245ac780bd5cfc1267c25a76b52c823e275
[INFO] documenting tudelft-quadrupel-2.1.0 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate tudelft-quadrupel 2.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate tudelft-quadrupel 2.1.0 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate tudelft-quadrupel 2.1.0
[INFO] finished tweaking crates.io crate tudelft-quadrupel 2.1.0
[INFO] tweaked toml for crates.io crate tudelft-quadrupel 2.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1eca6fd9d8070f1f4fadad0f721a8a906a6af4b8d90eb7ab114d8c0fd7056a2b
[INFO] running `Command { std: "docker" "start" "-a" "1eca6fd9d8070f1f4fadad0f721a8a906a6af4b8d90eb7ab114d8c0fd7056a2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1eca6fd9d8070f1f4fadad0f721a8a906a6af4b8d90eb7ab114d8c0fd7056a2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eca6fd9d8070f1f4fadad0f721a8a906a6af4b8d90eb7ab114d8c0fd7056a2b", kill_on_drop: false }`
[INFO] [stdout] 1eca6fd9d8070f1f4fadad0f721a8a906a6af4b8d90eb7ab114d8c0fd7056a2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06a621a03410f618f5a8a9735a55d2000606f177d3c16539c9f12bed26875272
[INFO] running `Command { std: "docker" "start" "-a" "06a621a03410f618f5a8a9735a55d2000606f177d3c16539c9f12bed26875272", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]    Compiling nrf51-pac v0.12.2
[INFO] [stderr]    Compiling fixed v1.25.1
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling nrf-hal-common v0.16.0
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]     Checking embedded-storage v0.3.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]    Compiling nrf51-hal v0.16.0
[INFO] [stderr]     Checking linked_list_allocator v0.10.5
[INFO] [stderr]     Checking ringbuffer v0.12.0
[INFO] [stderr]     Checking alloc-cortex-m v0.4.4
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]  Documenting tudelft-quadrupel v2.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(strict_provenance)]
[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 `tudelft-quadrupel`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name tudelft_quadrupel src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=876a5fc7c45e0770 -L dependency=/opt/rustwide/target/debug/deps --extern alloc_cortex_m=/opt/rustwide/target/debug/deps/liballoc_cortex_m-3b0526f8c893aa9b.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-a346b8324784b73a.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-d0b984824a7c543d.rmeta --extern embedded_hal=/opt/rustwide/target/debug/deps/libembedded_hal-301f779860ebca58.rmeta --extern fixed=/opt/rustwide/target/debug/deps/libfixed-bd8b6d64214d7c91.rmeta --extern nb=/opt/rustwide/target/debug/deps/libnb-1b2d97a924864a47.rmeta --extern nrf51_hal=/opt/rustwide/target/debug/deps/libnrf51_hal-63452e51a6743c80.rmeta --extern nrf51_pac=/opt/rustwide/target/debug/deps/libnrf51_pac-eea44876452178b0.rmeta --extern ringbuffer=/opt/rustwide/target/debug/deps/libringbuffer-c55a9ade5d413da9.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-0bd9c91348eac5b3.rmeta --cap-lints=warn --crate-version 2.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "06a621a03410f618f5a8a9735a55d2000606f177d3c16539c9f12bed26875272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06a621a03410f618f5a8a9735a55d2000606f177d3c16539c9f12bed26875272", kill_on_drop: false }`
[INFO] [stdout] 06a621a03410f618f5a8a9735a55d2000606f177d3c16539c9f12bed26875272
