[INFO] cloning repository https://github.com/JonathanWoollett-Light/language
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JonathanWoollett-Light/language" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanWoollett-Light%2Flanguage", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanWoollett-Light%2Flanguage'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4012460d2b36c9b1095379f9c8c8e7dacc3d338e
[INFO] documenting JonathanWoollett-Light/language against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanWoollett-Light%2Flanguage" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JonathanWoollett-Light/language 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 git repo https://github.com/JonathanWoollett-Light/language
[INFO] finished tweaking git repo https://github.com/JonathanWoollett-Light/language
[INFO] tweaked toml for git repo https://github.com/JonathanWoollett-Light/language written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JonathanWoollett-Light/language 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 166e7107f9cdf34d1d2ab4284cb9a46c2a073a6a8a0b1756174349f0ca87b929
[INFO] running `Command { std: "docker" "start" "-a" "166e7107f9cdf34d1d2ab4284cb9a46c2a073a6a8a0b1756174349f0ca87b929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "166e7107f9cdf34d1d2ab4284cb9a46c2a073a6a8a0b1756174349f0ca87b929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "166e7107f9cdf34d1d2ab4284cb9a46c2a073a6a8a0b1756174349f0ca87b929", kill_on_drop: false }`
[INFO] [stdout] 166e7107f9cdf34d1d2ab4284cb9a46c2a073a6a8a0b1756174349f0ca87b929
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9f4e48ca287241f9e29be0b6aba3a8d602f1b847b7f0256e1d5219d8c78606d6
[INFO] running `Command { std: "docker" "start" "-a" "9f4e48ca287241f9e29be0b6aba3a8d602f1b847b7f0256e1d5219d8c78606d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling openssl v0.10.61
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling syn v2.0.33
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]    Compiling openssl-sys v0.9.97
[INFO] [stderr]    Compiling ring v0.17.7
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking h2 v0.3.22
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.22
[INFO] [stderr]  Documenting language v0.1.0 (/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(test)]
[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(let_chains)]
[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(int_roundings)]
[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:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(if_let_guard)]
[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:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(iter_intersperse)]
[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:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(box_patterns)]
[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:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(exclusive_range_pattern)]
[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:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(array_chunks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 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 `language`
[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 language 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=06ada57b4976724f -L dependency=/opt/rustwide/target/debug/deps --extern data_encoding=/opt/rustwide/target/debug/deps/libdata_encoding-7486dde42217930d.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-37d18c38d1137595.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-d14b5e10944e99e9.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-24c436f530732271.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-2158676c1548a562.rmeta --extern ring=/opt/rustwide/target/debug/deps/libring-0f9a40dc4ab51985.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "9f4e48ca287241f9e29be0b6aba3a8d602f1b847b7f0256e1d5219d8c78606d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f4e48ca287241f9e29be0b6aba3a8d602f1b847b7f0256e1d5219d8c78606d6", kill_on_drop: false }`
[INFO] [stdout] 9f4e48ca287241f9e29be0b6aba3a8d602f1b847b7f0256e1d5219d8c78606d6
