[INFO] fetching crate einsum-codegen 0.1.0...
[INFO] documenting einsum-codegen-0.1.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate einsum-codegen 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate einsum-codegen 0.1.0 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 einsum-codegen 0.1.0
[INFO] finished tweaking crates.io crate einsum-codegen 0.1.0
[INFO] tweaked toml for crates.io crate einsum-codegen 0.1.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded katexit v0.1.4
[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] 714ff2b88867dcaece4392cc909f0118ff251ac7841e46fe33f7a3e2ce1b3305
[INFO] running `Command { std: "docker" "start" "-a" "714ff2b88867dcaece4392cc909f0118ff251ac7841e46fe33f7a3e2ce1b3305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "714ff2b88867dcaece4392cc909f0118ff251ac7841e46fe33f7a3e2ce1b3305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "714ff2b88867dcaece4392cc909f0118ff251ac7841e46fe33f7a3e2ce1b3305", kill_on_drop: false }`
[INFO] [stdout] 714ff2b88867dcaece4392cc909f0118ff251ac7841e46fe33f7a3e2ce1b3305
[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] 92a98ec00b7240e1c18d123006d0294c09e5b041e32dadd906a6950645081ce1
[INFO] running `Command { std: "docker" "start" "-a" "92a98ec00b7240e1c18d123006d0294c09e5b041e32dadd906a6950645081ce1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling katexit v0.1.4
[INFO] [stderr]  Documenting einsum-codegen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / #![cfg_attr(
[INFO] [stdout] 2   | |     doc,
[INFO] [stdout] 3   | |     feature(prelude_import, custom_inner_attributes, proc_macro_hygiene)
[INFO] [stdout] 4   | | )]
[INFO] [stdout] ...   |
[INFO] [stdout] 167 | | pub use path::*;
[INFO] [stdout] 168 | | pub use subscripts::*;
[INFO] [stdout]     | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `prelude_import` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     feature(prelude_import, custom_inner_attributes, proc_macro_hygiene)
[INFO] [stdout]   |             ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `einsum-codegen`
[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 einsum_codegen src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e15d27615274865e -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-fd85f3ee78419db7.rmeta --extern katexit=/opt/rustwide/target/debug/deps/libkatexit-20903b4188b4db59.so --extern nom=/opt/rustwide/target/debug/deps/libnom-d4d560e312c4843b.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-e4d3f1c5d694fa07.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-be6d169059f855b6.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-5ca59a381d9b1326.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "92a98ec00b7240e1c18d123006d0294c09e5b041e32dadd906a6950645081ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92a98ec00b7240e1c18d123006d0294c09e5b041e32dadd906a6950645081ce1", kill_on_drop: false }`
[INFO] [stdout] 92a98ec00b7240e1c18d123006d0294c09e5b041e32dadd906a6950645081ce1
[INFO] documenting einsum-codegen-0.1.0 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate einsum-codegen 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate einsum-codegen 0.1.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate einsum-codegen 0.1.0
[INFO] finished tweaking crates.io crate einsum-codegen 0.1.0
[INFO] tweaked toml for crates.io crate einsum-codegen 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5879588c1ff80e48e4857be5370049011ebfe47245a2f6493469f999fe90ceee
[INFO] running `Command { std: "docker" "start" "-a" "5879588c1ff80e48e4857be5370049011ebfe47245a2f6493469f999fe90ceee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5879588c1ff80e48e4857be5370049011ebfe47245a2f6493469f999fe90ceee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5879588c1ff80e48e4857be5370049011ebfe47245a2f6493469f999fe90ceee", kill_on_drop: false }`
[INFO] [stdout] 5879588c1ff80e48e4857be5370049011ebfe47245a2f6493469f999fe90ceee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 124c60c236c67aed87121f066895c6ce17df9a58aca0bc9e9c9e10aeb9e6504f
[INFO] running `Command { std: "docker" "start" "-a" "124c60c236c67aed87121f066895c6ce17df9a58aca0bc9e9c9e10aeb9e6504f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling katexit v0.1.4
[INFO] [stderr]  Documenting einsum-codegen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / #![cfg_attr(
[INFO] [stdout] 2   | |     doc,
[INFO] [stdout] 3   | |     feature(prelude_import, custom_inner_attributes, proc_macro_hygiene)
[INFO] [stdout] 4   | | )]
[INFO] [stdout] ...   |
[INFO] [stdout] 167 | | pub use path::*;
[INFO] [stdout] 168 | | pub use subscripts::*;
[INFO] [stdout]     | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `prelude_import` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     feature(prelude_import, custom_inner_attributes, proc_macro_hygiene)
[INFO] [stdout]   |             ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `einsum-codegen`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name einsum_codegen src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0dcfc9e953d8b75e -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-a3466ae9a2f9d580.rmeta --extern katexit=/opt/rustwide/target/debug/deps/libkatexit-59e7986ff308b6e1.so --extern nom=/opt/rustwide/target/debug/deps/libnom-9420aaa427004267.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1481b92aff9b8de1.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-dba2827c652bf941.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-9b3d2041ed9924b6.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "124c60c236c67aed87121f066895c6ce17df9a58aca0bc9e9c9e10aeb9e6504f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "124c60c236c67aed87121f066895c6ce17df9a58aca0bc9e9c9e10aeb9e6504f", kill_on_drop: false }`
[INFO] [stdout] 124c60c236c67aed87121f066895c6ce17df9a58aca0bc9e9c9e10aeb9e6504f
