[INFO] cloning repository https://github.com/WilsonGiese/flintOS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WilsonGiese/flintOS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilsonGiese%2FflintOS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilsonGiese%2FflintOS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 310aac2426a23497e82146be371102ef5fc4efa6
[INFO] documenting WilsonGiese/flintOS 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%2FWilsonGiese%2FflintOS" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WilsonGiese/flintOS 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/WilsonGiese/flintOS
[INFO] finished tweaking git repo https://github.com/WilsonGiese/flintOS
[INFO] tweaked toml for git repo https://github.com/WilsonGiese/flintOS written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/WilsonGiese/flintOS 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-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] 248d1dbf86580503c198cb466f51fc4d80e0f0a8767531d457ea6f5e94f2bc83
[INFO] running `Command { std: "docker" "start" "-a" "248d1dbf86580503c198cb466f51fc4d80e0f0a8767531d457ea6f5e94f2bc83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "248d1dbf86580503c198cb466f51fc4d80e0f0a8767531d457ea6f5e94f2bc83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "248d1dbf86580503c198cb466f51fc4d80e0f0a8767531d457ea6f5e94f2bc83", kill_on_drop: false }`
[INFO] [stdout] 248d1dbf86580503c198cb466f51fc4d80e0f0a8767531d457ea6f5e94f2bc83
[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] a9610d64e4bdb93c8502b7ad73222487a5055618163cc569526af39c9ce811e9
[INFO] running `Command { std: "docker" "start" "-a" "a9610d64e4bdb93c8502b7ad73222487a5055618163cc569526af39c9ce811e9", kill_on_drop: false }`
[INFO] [stderr]     Checking rlibc v1.0.0
[INFO] [stderr]  Documenting flintos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(lang_items)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `lang_items` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(lang_items)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_fmt`
[INFO] [stdout]   --> src/lib.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[lang = "panic_fmt"] extern fn panic_fmt () -> ! { loop {} }
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `core` (which `flintos` depends on)
[INFO] [stdout]    = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-193cf992125ccd4c.rlib
[INFO] [stdout]    = note: second definition in the local crate (`flintos`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0152, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `flintos`
[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 --crate-type staticlib --crate-name flintos src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=10d387da5a51c347 -L dependency=/opt/rustwide/target/debug/deps --extern rlibc=/opt/rustwide/target/debug/deps/librlibc-d2c39a8cb08c1ade.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a9610d64e4bdb93c8502b7ad73222487a5055618163cc569526af39c9ce811e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9610d64e4bdb93c8502b7ad73222487a5055618163cc569526af39c9ce811e9", kill_on_drop: false }`
[INFO] [stdout] a9610d64e4bdb93c8502b7ad73222487a5055618163cc569526af39c9ce811e9
