[INFO] cloning repository https://github.com/Quozul/hydrogen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Quozul/hydrogen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuozul%2Fhydrogen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuozul%2Fhydrogen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78de1f59f9beffeb1dd99509bff4fcb4befe8e8d
[INFO] documenting Quozul/hydrogen 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%2FQuozul%2Fhydrogen" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Quozul/hydrogen 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/Quozul/hydrogen
[INFO] finished tweaking git repo https://github.com/Quozul/hydrogen
[INFO] tweaked toml for git repo https://github.com/Quozul/hydrogen written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Quozul/hydrogen 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 lasso v0.6.0
[INFO] [stderr]   Downloaded grass v0.12.4
[INFO] [stderr]   Downloaded markdown v1.0.0-alpha.9
[INFO] [stderr]   Downloaded grass_compiler v0.12.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a79ae3cd6428ee7a951e804e42d4809c7ed3eb545acaa7c05d9c41cfb92ea909
[INFO] running `Command { std: "docker" "start" "-a" "a79ae3cd6428ee7a951e804e42d4809c7ed3eb545acaa7c05d9c41cfb92ea909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a79ae3cd6428ee7a951e804e42d4809c7ed3eb545acaa7c05d9c41cfb92ea909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a79ae3cd6428ee7a951e804e42d4809c7ed3eb545acaa7c05d9c41cfb92ea909", kill_on_drop: false }`
[INFO] [stdout] a79ae3cd6428ee7a951e804e42d4809c7ed3eb545acaa7c05d9c41cfb92ea909
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 17e8a8c9a13a44e05b6a4fc1232d5a83f96708511c70a0a65a167bf175ad8ec0
[INFO] running `Command { std: "docker" "start" "-a" "17e8a8c9a13a44e05b6a4fc1232d5a83f96708511c70a0a65a167bf175ad8ec0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking anstyle-parse v0.2.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking codemap v0.1.3
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking winnow v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking unicode-id v0.3.3
[INFO] [stderr]     Checking unsafe-libyaml v0.2.8
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling syn v2.0.16
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking markdown v1.0.0-alpha.9
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling const-random-macro v0.1.15
[INFO] [stderr]     Checking lasso v0.6.0
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]     Checking regex v1.8.3
[INFO] [stderr]     Checking const-random v0.1.15
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_builder v4.3.0
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.163
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling clap_derive v4.3.0
[INFO] [stderr]    Compiling phf_macros v0.10.0
[INFO] [stderr]    Compiling rhai_codegen v1.5.0
[INFO] [stderr]    Compiling pest v2.6.0
[INFO] [stderr]    Compiling pest_meta v2.6.0
[INFO] [stderr]     Checking clap v4.3.0
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]    Compiling pest_generator v2.6.0
[INFO] [stderr]     Checking grass_compiler v0.12.4
[INFO] [stderr]     Checking grass v0.12.4
[INFO] [stderr]    Compiling pest_derive v2.6.0
[INFO] [stderr]     Checking toml_datetime v0.6.2
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking serde_spanned v0.6.2
[INFO] [stderr]     Checking serde_yaml v0.9.21
[INFO] [stderr]     Checking toml_edit v0.19.10
[INFO] [stderr]     Checking rhai v1.14.0
[INFO] [stderr]     Checking toml v0.7.4
[INFO] [stderr]     Checking handlebars v4.3.7
[INFO] [stderr]  Documenting hydrogen 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(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `hydrogen`
[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 hydrogen 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=24c0d23b7d1e3fe7 -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-d24b5f62c15ae07b.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-70cfd8714d8de5cd.rmeta --extern grass=/opt/rustwide/target/debug/deps/libgrass-253becb5239873a2.rmeta --extern handlebars=/opt/rustwide/target/debug/deps/libhandlebars-e38847ba6cd015d2.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-8cbbe1925fb4a8ca.rmeta --extern markdown=/opt/rustwide/target/debug/deps/libmarkdown-53b95d86f36c636c.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-d1597bf818bc4d23.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-344c58b8d8aff5eb.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-7d64f6ed86515509.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-8a6d08a08a78f8fc.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-71b3f618fd207045.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "17e8a8c9a13a44e05b6a4fc1232d5a83f96708511c70a0a65a167bf175ad8ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17e8a8c9a13a44e05b6a4fc1232d5a83f96708511c70a0a65a167bf175ad8ec0", kill_on_drop: false }`
[INFO] [stdout] 17e8a8c9a13a44e05b6a4fc1232d5a83f96708511c70a0a65a167bf175ad8ec0
