[INFO] fetching crate token 1.0.0-rc1...
[INFO] documenting token-1.0.0-rc1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate token 1.0.0-rc1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate token 1.0.0-rc1 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 token 1.0.0-rc1
[INFO] finished tweaking crates.io crate token 1.0.0-rc1
[INFO] tweaked toml for crates.io crate token 1.0.0-rc1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 583ee87ffee10fe9c53e1e4b7771ba012be4f64a32a8ae32b9b7d378ac44bb38
[INFO] running `Command { std: "docker" "start" "-a" "583ee87ffee10fe9c53e1e4b7771ba012be4f64a32a8ae32b9b7d378ac44bb38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "583ee87ffee10fe9c53e1e4b7771ba012be4f64a32a8ae32b9b7d378ac44bb38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "583ee87ffee10fe9c53e1e4b7771ba012be4f64a32a8ae32b9b7d378ac44bb38", kill_on_drop: false }`
[INFO] [stdout] 583ee87ffee10fe9c53e1e4b7771ba012be4f64a32a8ae32b9b7d378ac44bb38
[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] 93660069d93b0cacb8d5facc490847805d0cf54098615d7f88d89553f3ed3e42
[INFO] running `Command { std: "docker" "start" "-a" "93660069d93b0cacb8d5facc490847805d0cf54098615d7f88d89553f3ed3e42", kill_on_drop: false }`
[INFO] [stderr]  Documenting token v1.0.0-rc1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::io::ReadExt`
[INFO] [stdout]   --> src/lib.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 | use std::io::{Read, ReadExt};
[INFO] [stdout]    |                     ^^^^^^^ no `ReadExt` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Chars` in module `io`
[INFO] [stdout]   --> src/lib.rs:57:16
[INFO] [stdout]    |
[INFO] [stdout] 57 |     chars: io::Chars<R>,
[INFO] [stdout]    |                ^^^^^ not found in `io`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 47 + use std::str::Chars;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Chars`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 57 -     chars: io::Chars<R>,
[INFO] [stdout] 57 +     chars: Chars<R>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `CharsError` in module `io`
[INFO] [stdout]   --> src/lib.rs:83:37
[INFO] [stdout]    |
[INFO] [stdout] 83 |     type Item = Result<&'a str, io::CharsError>;
[INFO] [stdout]    |                                     ^^^^^^^^^^ not found in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `CharsError` in module `io`
[INFO] [stdout]   --> src/lib.rs:87:51
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn next(&mut self) -> Option<Result<&str, io::CharsError>> {
[INFO] [stdout]    |                                                   ^^^^^^^^^^ not found in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `CharsError` in module `io`
[INFO] [stdout]    --> src/lib.rs:175:37
[INFO] [stdout]     |
[INFO] [stdout] 175 |     type Item = Result<&'b str, io::CharsError>;
[INFO] [stdout]     |                                     ^^^^^^^^^^ not found in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `CharsError` in module `io`
[INFO] [stdout]    --> src/lib.rs:178:51
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn next(&mut self) -> Option<Result<&str, io::CharsError>> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^ not found in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `R` is never used
[INFO] [stdout]    --> src/lib.rs:129:33
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub struct SentenceSplitter<'a, R: Read> {
[INFO] [stdout]     |                                 ^ unused parameter
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing `R`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0392, E0412, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0392`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `token`
[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 lib --crate-name token src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=bc96b822c9c408bf -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 1.0.0-rc1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "93660069d93b0cacb8d5facc490847805d0cf54098615d7f88d89553f3ed3e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93660069d93b0cacb8d5facc490847805d0cf54098615d7f88d89553f3ed3e42", kill_on_drop: false }`
[INFO] [stdout] 93660069d93b0cacb8d5facc490847805d0cf54098615d7f88d89553f3ed3e42
