[INFO] fetching crate poseidon-primitives 0.1.1...
[INFO] documenting poseidon-primitives-0.1.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate poseidon-primitives 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate poseidon-primitives 0.1.1 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-4-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate poseidon-primitives 0.1.1
[INFO] finished tweaking crates.io crate poseidon-primitives 0.1.1
[INFO] tweaked toml for crates.io crate poseidon-primitives 0.1.1 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]     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 serde_arrays v0.1.0
[INFO] [stderr]   Downloaded tabbycat v0.1.2
[INFO] [stderr]   Downloaded maybe-rayon v0.1.1
[INFO] [stderr]   Downloaded pasta_curves v0.5.1
[INFO] [stderr]   Downloaded halo2curves-axiom v0.5.0
[INFO] [stderr]   Downloaded halo2-axiom v0.4.2
[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] 398fbdea8bc2e037a656c5145f5b0f01f2fd3b239972569a8c65eb0b28cbca50
[INFO] running `Command { std: "docker" "start" "-a" "398fbdea8bc2e037a656c5145f5b0f01f2fd3b239972569a8c65eb0b28cbca50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "398fbdea8bc2e037a656c5145f5b0f01f2fd3b239972569a8c65eb0b28cbca50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "398fbdea8bc2e037a656c5145f5b0f01f2fd3b239972569a8c65eb0b28cbca50", kill_on_drop: false }`
[INFO] [stdout] 398fbdea8bc2e037a656c5145f5b0f01f2fd3b239972569a8c65eb0b28cbca50
[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] d0b2714258a4478e8e3be405b0f36748f7bbbb7c3dd870fa6ba3bd922aaf24b7
[INFO] running `Command { std: "docker" "start" "-a" "d0b2714258a4478e8e3be405b0f36748f7bbbb7c3dd870fa6ba3bd922aaf24b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]  Documenting poseidon-primitives v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(slice_group_by)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(trait_alias)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `poseidon-primitives`
[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 poseidon_primitives src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=849dd40427164017 -L dependency=/opt/rustwide/target/debug/deps --extern bitvec=/opt/rustwide/target/debug/deps/libbitvec-bb0e03d1746ed239.rmeta --extern ff=/opt/rustwide/target/debug/deps/libff-2299521134dc91b3.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-e7445b4e8703c20b.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-91e42ebaf8a62e54.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-84eed1b77a990a3c.rmeta --extern rand_xorshift=/opt/rustwide/target/debug/deps/librand_xorshift-0ec9defaf277f936.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-cdbd51313957a31a.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d0b2714258a4478e8e3be405b0f36748f7bbbb7c3dd870fa6ba3bd922aaf24b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0b2714258a4478e8e3be405b0f36748f7bbbb7c3dd870fa6ba3bd922aaf24b7", kill_on_drop: false }`
[INFO] [stdout] d0b2714258a4478e8e3be405b0f36748f7bbbb7c3dd870fa6ba3bd922aaf24b7
