[INFO] fetching crate ioprio 0.2.0...
[INFO] testing ioprio-0.2.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate ioprio 0.2.0 into /workspace/builds/worker-6-tc1/source
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ioprio 0.2.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to highest compatible versions
[INFO] [stderr]       Adding bitflags v1.2.1 (available: v1.3.2)
[INFO] [stderr]       Adding nix v0.21.2 (available: v0.31.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded iou v0.3.3
[INFO] [stderr]   Downloaded uring-sys v0.7.4
[INFO] [stderr]   Downloaded nix v0.21.2
[INFO] [stderr]   Downloaded nix v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 14a2fa8a3fe7504f6a17b5e4b4d05846aa6b6dd8bc8666b52316e7895accf2c7
[INFO] running `Command { std: "docker" "start" "14a2fa8a3fe7504f6a17b5e4b4d05846aa6b6dd8bc8666b52316e7895accf2c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14a2fa8a3fe7504f6a17b5e4b4d05846aa6b6dd8bc8666b52316e7895accf2c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "14a2fa8a3fe7504f6a17b5e4b4d05846aa6b6dd8bc8666b52316e7895accf2c7" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14a2fa8a3fe7504f6a17b5e4b4d05846aa6b6dd8bc8666b52316e7895accf2c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "14a2fa8a3fe7504f6a17b5e4b4d05846aa6b6dd8bc8666b52316e7895accf2c7" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.21.2
[INFO] [stderr]    Compiling ioprio v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 8.18s
[INFO] running `Command { std: "docker" "inspect" "14a2fa8a3fe7504f6a17b5e4b4d05846aa6b6dd8bc8666b52316e7895accf2c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "14a2fa8a3fe7504f6a17b5e4b4d05846aa6b6dd8bc8666b52316e7895accf2c7" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling ioprio v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "14a2fa8a3fe7504f6a17b5e4b4d05846aa6b6dd8bc8666b52316e7895accf2c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "14a2fa8a3fe7504f6a17b5e4b4d05846aa6b6dd8bc8666b52316e7895accf2c7" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/ioprio-aaa4e54a61c2bf5c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ioprio
[INFO] [stderr] error[E0433]: cannot find module or crate `iou_` in this scope
[INFO] [stderr]    --> src/lib.rs:290:30
[INFO] [stderr]     |
[INFO] [stderr] 290 |     impl private::Sealed for iou_::SQE<'_> {}
[INFO] [stderr]     |                              ^^^^ use of unresolved module or unlinked crate `iou_`
[INFO] [stderr]     |
[INFO] [stderr]     = help: if you wanted to use a crate named `iou_`, use `cargo add iou_` to add it to your `Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: cannot find module or crate `iou_` in this scope
[INFO] [stderr]    --> src/lib.rs:300:21
[INFO] [stderr]     |
[INFO] [stderr] 300 |     impl SqeExt for iou_::SQE<'_> {
[INFO] [stderr]     |                     ^^^^ use of unresolved module or unlinked crate `iou_`
[INFO] [stderr]     |
[INFO] [stderr]     = help: if you wanted to use a crate named `iou_`, use `cargo add iou_` to add it to your `Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.99.0-beta.8-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --color auto --crate-name ioprio --test src/lib.rs --test-run-directory /opt/rustwide/workdir --extern ioprio=/opt/rustwide/target/release/deps/libioprio-8071192cdecb0b88.rlib --extern libc=/opt/rustwide/target/release/deps/liblibc-70ef44432283a73c.rlib --extern nix=/opt/rustwide/target/release/deps/libnix-516375c86bb77530.rlib -L dependency=/opt/rustwide/target/release/deps -C embed-bitcode=no --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "docs", "iou", "iou_"))' --cap-lints=warn --error-format human` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --no-capture to the harness.
[INFO] running `Command { std: "docker" "inspect" "14a2fa8a3fe7504f6a17b5e4b4d05846aa6b6dd8bc8666b52316e7895accf2c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14a2fa8a3fe7504f6a17b5e4b4d05846aa6b6dd8bc8666b52316e7895accf2c7", kill_on_drop: false }`
[INFO] [stdout] 14a2fa8a3fe7504f6a17b5e4b4d05846aa6b6dd8bc8666b52316e7895accf2c7
