[INFO] cloning repository https://github.com/Elekrisk/intlang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Elekrisk/intlang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElekrisk%2Fintlang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElekrisk%2Fintlang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b5138160d23da39c6ea1e32ca69d2f957364b71
[INFO] documenting Elekrisk/intlang 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%2FElekrisk%2Fintlang" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Elekrisk/intlang 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/Elekrisk/intlang
[INFO] finished tweaking git repo https://github.com/Elekrisk/intlang
[INFO] tweaked toml for git repo https://github.com/Elekrisk/intlang written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Elekrisk/intlang 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 git repository `https://github.com/TheDan64/inkwell`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded miette v5.3.0
[INFO] [stderr]   Downloaded miette-derive v5.3.0
[INFO] [stderr]   Downloaded supports-color v1.3.0
[INFO] [stderr]   Downloaded llvm-sys v140.0.3
[INFO] [stderr]   Downloaded rustix v0.35.11
[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] 039c207c4f3afb2858a53b1ac72660cc995c4c5fed33e348b6792ac4f4554826
[INFO] running `Command { std: "docker" "start" "-a" "039c207c4f3afb2858a53b1ac72660cc995c4c5fed33e348b6792ac4f4554826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "039c207c4f3afb2858a53b1ac72660cc995c4c5fed33e348b6792ac4f4554826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "039c207c4f3afb2858a53b1ac72660cc995c4c5fed33e348b6792ac4f4554826", kill_on_drop: false }`
[INFO] [stdout] 039c207c4f3afb2858a53b1ac72660cc995c4c5fed33e348b6792ac4f4554826
[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] df005bec511bf1f195ffd815e64f312ffebe462ba39ca09b31ebe6268faee08b
[INFO] running `Command { std: "docker" "start" "-a" "df005bec511bf1f195ffd815e64f312ffebe462ba39ca09b31ebe6268faee08b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling io-lifetimes v0.7.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling rustix v0.35.11
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking linux-raw-sys v0.0.46
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=master#27b8ab56)
[INFO] [stderr]     Checking is_ci v1.1.1
[INFO] [stderr]    Compiling peg-runtime v0.8.1
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking unicode-segmentation v1.10.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling peg-macros v0.8.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking supports-color v1.3.0
[INFO] [stderr]     Checking supports-hyperlinks v1.2.0
[INFO] [stderr]     Checking supports-unicode v1.0.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking peg v0.8.1
[INFO] [stderr]     Checking fd-lock v3.0.6
[INFO] [stderr]     Checking rustyline v10.0.0
[INFO] [stderr]    Compiling unicode-linebreak v0.1.4
[INFO] [stderr]    Compiling llvm-sys v140.0.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling inkwell_internals v0.5.0 (https://github.com/TheDan64/inkwell?branch=master#27b8ab56)
[INFO] [stderr]    Compiling miette-derive v5.3.0
[INFO] [stderr]     Checking textwrap v0.15.1
[INFO] [stderr]     Checking miette v5.3.0
[INFO] [stderr]  Documenting intlang 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[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![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:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(try_blocks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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 `intlang`
[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 intlang 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=f0215c7cf3e3285f -L dependency=/opt/rustwide/target/debug/deps --extern inkwell=/opt/rustwide/target/debug/deps/libinkwell-065c27e283ef2006.rmeta --extern miette=/opt/rustwide/target/debug/deps/libmiette-738d881b4be79f34.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-00a69b6e1338c277.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-6a710994a3aa8095.rmeta --extern peg=/opt/rustwide/target/debug/deps/libpeg-401ebbea15d71b2c.rmeta --extern rustyline=/opt/rustwide/target/debug/deps/librustyline-8889b26f0e4c42cc.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-b2c1de8262a3f17a.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "df005bec511bf1f195ffd815e64f312ffebe462ba39ca09b31ebe6268faee08b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df005bec511bf1f195ffd815e64f312ffebe462ba39ca09b31ebe6268faee08b", kill_on_drop: false }`
[INFO] [stdout] df005bec511bf1f195ffd815e64f312ffebe462ba39ca09b31ebe6268faee08b
