[INFO] fetching crate open-coroutine-iouring 0.5.0...
[INFO] checking open-coroutine-iouring-0.5.0 against try#dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e for pr-153721
[INFO] extracting crate open-coroutine-iouring 0.5.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate open-coroutine-iouring 0.5.0
[INFO] finished tweaking crates.io crate open-coroutine-iouring 0.5.0
[INFO] tweaked toml for crates.io crate open-coroutine-iouring 0.5.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate open-coroutine-iouring 0.5.0 on toolchain dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "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" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding io-uring v0.6.4 (available: v0.7.12)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] fc30516b356a40eff59581a4d0f599c8fdf8e69f289b5a188ae807c54d0d9ed1
[INFO] running `Command { std: "docker" "start" "fc30516b356a40eff59581a4d0f599c8fdf8e69f289b5a188ae807c54d0d9ed1", 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" "fc30516b356a40eff59581a4d0f599c8fdf8e69f289b5a188ae807c54d0d9ed1" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc30516b356a40eff59581a4d0f599c8fdf8e69f289b5a188ae807c54d0d9ed1", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fc30516b356a40eff59581a4d0f599c8fdf8e69f289b5a188ae807c54d0d9ed1" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-uring v0.6.4
[INFO] [stderr]    Compiling open-coroutine-iouring v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: target-based cfg should be avoided in build scripts
[INFO] [stdout]  --> build.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 |         if #[cfg(target_os = "linux")] {
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[deny(misleading_cfg_in_build_script)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `open-coroutine-iouring` (build script) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fc30516b356a40eff59581a4d0f599c8fdf8e69f289b5a188ae807c54d0d9ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc30516b356a40eff59581a4d0f599c8fdf8e69f289b5a188ae807c54d0d9ed1", kill_on_drop: false }`
[INFO] [stdout] fc30516b356a40eff59581a4d0f599c8fdf8e69f289b5a188ae807c54d0d9ed1