[INFO] fetching crate asp_lib 0.1.12...
[INFO] documenting asp_lib-0.1.12 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate asp_lib 0.1.12 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate asp_lib 0.1.12 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] started tweaking crates.io crate asp_lib 0.1.12
[INFO] finished tweaking crates.io crate asp_lib 0.1.12
[INFO] tweaked toml for crates.io crate asp_lib 0.1.12 written to /workspace/builds/worker-6-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 split-iter v0.1.0
[INFO] [stderr]   Downloaded itertools-num v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2d1e228bdc5a70ed2df58fe6d3f24e4ca881a6f4b2a545f1b7ec1644259ec427
[INFO] running `Command { std: "docker" "start" "-a" "2d1e228bdc5a70ed2df58fe6d3f24e4ca881a6f4b2a545f1b7ec1644259ec427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d1e228bdc5a70ed2df58fe6d3f24e4ca881a6f4b2a545f1b7ec1644259ec427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d1e228bdc5a70ed2df58fe6d3f24e4ca881a6f4b2a545f1b7ec1644259ec427", kill_on_drop: false }`
[INFO] [stdout] 2d1e228bdc5a70ed2df58fe6d3f24e4ca881a6f4b2a545f1b7ec1644259ec427
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f39ba06895bb2d0aa8699033e55545063f1b94af8d7a411d5f4b1e914669841c
[INFO] running `Command { std: "docker" "start" "-a" "f39ba06895bb2d0aa8699033e55545063f1b94af8d7a411d5f4b1e914669841c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking split-iter v0.1.0
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]  Documenting asp_lib v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_next_chunk)]
[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:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(absolute_path)]
[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:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(path_file_prefix)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `asp_lib`
[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 asp_lib src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c656886a14a2ded4 -L dependency=/opt/rustwide/target/debug/deps --extern csv=/opt/rustwide/target/debug/deps/libcsv-07d4f38c66c835f9.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-dbd7922ddc771bc2.rmeta --extern itertools_num=/opt/rustwide/target/debug/deps/libitertools_num-e80b8782d043d574.rmeta --extern split_iter=/opt/rustwide/target/debug/deps/libsplit_iter-d982c330dba105c6.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-0098779221708706.rmeta --cap-lints=warn --crate-version 0.1.12` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "f39ba06895bb2d0aa8699033e55545063f1b94af8d7a411d5f4b1e914669841c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f39ba06895bb2d0aa8699033e55545063f1b94af8d7a411d5f4b1e914669841c", kill_on_drop: false }`
[INFO] [stdout] f39ba06895bb2d0aa8699033e55545063f1b94af8d7a411d5f4b1e914669841c
