[INFO] fetching crate ioprio 0.2.0...
[INFO] documenting ioprio-0.2.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate ioprio 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate ioprio 0.2.0 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 ioprio 0.2.0
[INFO] finished tweaking crates.io crate ioprio 0.2.0
[INFO] tweaked toml for crates.io crate ioprio 0.2.0 written to /workspace/builds/worker-3-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]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.21.2
[INFO] [stderr]   Downloaded iou v0.3.3
[INFO] [stderr]   Downloaded uring-sys v0.7.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 789148d783912b0f71dbf8655869cef1fd9e8e5e22fed1bc8fd428e7d798bdaa
[INFO] running `Command { std: "docker" "start" "-a" "789148d783912b0f71dbf8655869cef1fd9e8e5e22fed1bc8fd428e7d798bdaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "789148d783912b0f71dbf8655869cef1fd9e8e5e22fed1bc8fd428e7d798bdaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "789148d783912b0f71dbf8655869cef1fd9e8e5e22fed1bc8fd428e7d798bdaa", kill_on_drop: false }`
[INFO] [stdout] 789148d783912b0f71dbf8655869cef1fd9e8e5e22fed1bc8fd428e7d798bdaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 056c6f02437662b9c28342ad075663ac836c351d9541d1a7a291237f8361ff43
[INFO] running `Command { std: "docker" "start" "-a" "056c6f02437662b9c28342ad075663ac836c351d9541d1a7a291237f8361ff43", kill_on_drop: false }`
[INFO] [stderr]     Checking nix v0.21.2
[INFO] [stderr]  Documenting ioprio v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `iou_`
[INFO] [stdout]    --> src/lib.rs:290:30
[INFO] [stdout]     |
[INFO] [stdout] 290 |     impl private::Sealed for iou_::SQE<'_> {}
[INFO] [stdout]     |                              ^^^^ use of undeclared crate or module `iou_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `iou_`
[INFO] [stdout]    --> src/lib.rs:300:21
[INFO] [stdout]     |
[INFO] [stdout] 300 |     impl SqeExt for iou_::SQE<'_> {
[INFO] [stdout]     |                     ^^^^ use of undeclared crate or module `iou_`
[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 E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `ioprio`
[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=2018 --crate-type lib --crate-name ioprio 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=e7e83b85e2d0fb6c -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-703a71779d7c4255.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-dbe971be89d6d4d5.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "056c6f02437662b9c28342ad075663ac836c351d9541d1a7a291237f8361ff43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "056c6f02437662b9c28342ad075663ac836c351d9541d1a7a291237f8361ff43", kill_on_drop: false }`
[INFO] [stdout] 056c6f02437662b9c28342ad075663ac836c351d9541d1a7a291237f8361ff43
