[INFO] fetching crate rtx 0.1.0...
[INFO] documenting rtx-0.1.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate rtx 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate rtx 0.1.0 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 rtx 0.1.0
[INFO] finished tweaking crates.io crate rtx 0.1.0
[INFO] tweaked toml for crates.io crate rtx 0.1.0 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] [stderr]     Updating crates.io index
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 95ae0297117f1eb1dc33b29d747a6023bf188da1e1e47658d0b9486ce2e7af62
[INFO] running `Command { std: "docker" "start" "-a" "95ae0297117f1eb1dc33b29d747a6023bf188da1e1e47658d0b9486ce2e7af62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95ae0297117f1eb1dc33b29d747a6023bf188da1e1e47658d0b9486ce2e7af62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95ae0297117f1eb1dc33b29d747a6023bf188da1e1e47658d0b9486ce2e7af62", kill_on_drop: false }`
[INFO] [stdout] 95ae0297117f1eb1dc33b29d747a6023bf188da1e1e47658d0b9486ce2e7af62
[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] 76b812676874284e486956160a36eede1823834ba925be0286fb538929e3dfe7
[INFO] running `Command { std: "docker" "start" "-a" "76b812676874284e486956160a36eede1823834ba925be0286fb538929e3dfe7", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]  Documenting rtx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `futures_io`
[INFO] [stdout]   --> src/io.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use futures_io::AsyncRead;
[INFO] [stdout]    |         ^^^^^^^^^^ use of undeclared crate or module `futures_io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures_io`
[INFO] [stdout]   --> src/io.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub use futures_io::AsyncWrite;
[INFO] [stdout]    |         ^^^^^^^^^^ use of undeclared crate or module `futures_io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rtx`
[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 lib --crate-name rtx src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=05257fe5085c8f87 -L dependency=/opt/rustwide/target/debug/deps --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-a52591f63adb7509.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-2a5789612b770a89.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "76b812676874284e486956160a36eede1823834ba925be0286fb538929e3dfe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76b812676874284e486956160a36eede1823834ba925be0286fb538929e3dfe7", kill_on_drop: false }`
[INFO] [stdout] 76b812676874284e486956160a36eede1823834ba925be0286fb538929e3dfe7
