[INFO] fetching crate rssget 0.1.8...
[INFO] documenting rssget-0.1.8 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate rssget 0.1.8 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate rssget 0.1.8 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 rssget 0.1.8
[INFO] finished tweaking crates.io crate rssget 0.1.8
[INFO] tweaked toml for crates.io crate rssget 0.1.8 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate rssget 0.1.8 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-linebreak v0.1.2
[INFO] [stderr]   Downloaded argh_shared v0.1.8
[INFO] [stderr]   Downloaded rss v2.0.1
[INFO] [stderr]   Downloaded argh v0.1.8
[INFO] [stderr]   Downloaded argh_derive v0.1.8
[INFO] [stderr]   Downloaded serde_yaml v0.9.9
[INFO] [stderr]   Downloaded webpki-roots v0.22.4
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.2
[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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85145ab5c08acc039bfb6c498516ef6290e43ed49502c0d3e11c1b2a34e63ccc
[INFO] running `Command { std: "docker" "start" "-a" "85145ab5c08acc039bfb6c498516ef6290e43ed49502c0d3e11c1b2a34e63ccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85145ab5c08acc039bfb6c498516ef6290e43ed49502c0d3e11c1b2a34e63ccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85145ab5c08acc039bfb6c498516ef6290e43ed49502c0d3e11c1b2a34e63ccc", kill_on_drop: false }`
[INFO] [stdout] 85145ab5c08acc039bfb6c498516ef6290e43ed49502c0d3e11c1b2a34e63ccc
[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" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 382c60e18cb285c505cafd4a016f7b8afca5e9f72249e114faa454796c840aeb
[INFO] running `Command { std: "docker" "start" "-a" "382c60e18cb285c505cafd4a016f7b8afca5e9f72249e114faa454796c840aeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling argh_shared v0.1.8
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking console v0.15.1
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]     Checking unsafe-libyaml v0.2.2
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking indicatif v0.17.0
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking rss v2.0.1
[INFO] [stderr]    Compiling argh_derive v0.1.8
[INFO] [stderr]    Compiling unicode-linebreak v0.1.2
[INFO] [stderr]     Checking argh v0.1.8
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki-roots v0.22.4
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking ureq v2.5.0
[INFO] [stderr]     Checking serde_yaml v0.9.9
[INFO] [stderr]  Documenting rssget v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iterator_try_collect)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(once_cell)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'lazy_cell'
[INFO] [stdout]   --> src/main.rs:24:42
[INFO] [stdout]    |
[INFO] [stdout] 24 | static WRAP_OPTIONS: LazyLock<Options> = LazyLock::new(|| {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #109736 <https://github.com/rust-lang/rust/issues/109736> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rssget`
[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 bin --crate-name rssget src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=94d29a431e4bfeda -L dependency=/opt/rustwide/target/debug/deps --extern argh=/opt/rustwide/target/debug/deps/libargh-b827ff6f80d0c7bd.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-931086846552aeb9.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-a1ee6c7ce6688580.rmeta --extern dirs=/opt/rustwide/target/debug/deps/libdirs-e8b32748f44417ee.rmeta --extern indicatif=/opt/rustwide/target/debug/deps/libindicatif-dac1231b0b554939.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-2a2c3032d09358c3.rmeta --extern rss=/opt/rustwide/target/debug/deps/librss-0d7f73568c6cee63.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-fba0c5c2641fc1e0.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-db8b707b32571050.rmeta --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-282eb73ebdde29a2.rmeta --extern ureq=/opt/rustwide/target/debug/deps/libureq-681c5a02f55380b9.rmeta --cap-lints=warn --crate-version 0.1.8` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "382c60e18cb285c505cafd4a016f7b8afca5e9f72249e114faa454796c840aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "382c60e18cb285c505cafd4a016f7b8afca5e9f72249e114faa454796c840aeb", kill_on_drop: false }`
[INFO] [stdout] 382c60e18cb285c505cafd4a016f7b8afca5e9f72249e114faa454796c840aeb
