[INFO] fetching crate chars_input 0.2.2...
[INFO] documenting chars_input-0.2.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate chars_input 0.2.2 into /workspace/builds/worker-100/source
[INFO] validating manifest of crates.io crate chars_input 0.2.2 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chars_input 0.2.2
[INFO] finished tweaking crates.io crate chars_input 0.2.2
[INFO] tweaked toml for crates.io crate chars_input 0.2.2 written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af8b9b0d065c063a231edfe7de001bd2389f94cb516e375152bbc720225e46c9
[INFO] running `Command { std: "docker" "start" "-a" "af8b9b0d065c063a231edfe7de001bd2389f94cb516e375152bbc720225e46c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af8b9b0d065c063a231edfe7de001bd2389f94cb516e375152bbc720225e46c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af8b9b0d065c063a231edfe7de001bd2389f94cb516e375152bbc720225e46c9", kill_on_drop: false }`
[INFO] [stdout] af8b9b0d065c063a231edfe7de001bd2389f94cb516e375152bbc720225e46c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7218ae7504ef66c98eaa17e05e869a8bfd082869e471fcb4bd19ca4e466232f8
[INFO] running `Command { std: "docker" "start" "-a" "7218ae7504ef66c98eaa17e05e869a8bfd082869e471fcb4bd19ca4e466232f8", kill_on_drop: false }`
[INFO] [stderr]  Documenting chars_input v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `Chars` in module `io`
[INFO] [stdout]    --> src/chars.rs:140:20
[INFO] [stdout]     |
[INFO] [stdout] 140 |         chars: io::Chars<R>,
[INFO] [stdout]     |                    ^^^^^ not found in `io`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 118 |     use Chars;
[INFO] [stdout]     |
[INFO] [stdout] 118 |     use alloc::str::Chars;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `Chars`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 140 -         chars: io::Chars<R>,
[INFO] [stdout] 140 +         chars: Chars<R>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `chars_input`
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name chars_input src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="std"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=021bef85cabf21a3 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.2.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "7218ae7504ef66c98eaa17e05e869a8bfd082869e471fcb4bd19ca4e466232f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7218ae7504ef66c98eaa17e05e869a8bfd082869e471fcb4bd19ca4e466232f8", kill_on_drop: false }`
[INFO] [stdout] 7218ae7504ef66c98eaa17e05e869a8bfd082869e471fcb4bd19ca4e466232f8