[INFO] fetching crate pi_wrr 0.1.0...
[INFO] testing pi_wrr-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate pi_wrr 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate pi_wrr 0.1.0
[INFO] finished tweaking crates.io crate pi_wrr 0.1.0
[INFO] tweaked toml for crates.io crate pi_wrr 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pi_wrr 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 72 packages to latest compatible versions
[INFO] [stderr]       Adding fastrand v1.9.0 (available: v2.4.1)
[INFO] [stderr]       Adding quanta v0.10.1 (available: v0.12.6)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 534ac491eac96cfeee1a8c4722fc9faeb45da17b4cb45933d950f1157cea8012
[INFO] running `Command { std: "docker" "start" "-a" "534ac491eac96cfeee1a8c4722fc9faeb45da17b4cb45933d950f1157cea8012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "534ac491eac96cfeee1a8c4722fc9faeb45da17b4cb45933d950f1157cea8012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "534ac491eac96cfeee1a8c4722fc9faeb45da17b4cb45933d950f1157cea8012", kill_on_drop: false }`
[INFO] [stdout] 534ac491eac96cfeee1a8c4722fc9faeb45da17b4cb45933d950f1157cea8012
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f90fd1ed87d0f3e4a7e7e3faf1c323f2c185d40cedca88bd3f8d451ab060e62b
[INFO] running `Command { std: "docker" "start" "-a" "f90fd1ed87d0f3e4a7e7e3faf1c323f2c185d40cedca88bd3f8d451ab060e62b", kill_on_drop: false }`
[INFO] [stderr]    Compiling pi_wrr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "f90fd1ed87d0f3e4a7e7e3faf1c323f2c185d40cedca88bd3f8d451ab060e62b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f90fd1ed87d0f3e4a7e7e3faf1c323f2c185d40cedca88bd3f8d451ab060e62b", kill_on_drop: false }`
[INFO] [stdout] f90fd1ed87d0f3e4a7e7e3faf1c323f2c185d40cedca88bd3f8d451ab060e62b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c39dfbc2b9fd950bee5860c3508d0de50d5d76e121fb6087a213bb67c30864d9
[INFO] running `Command { std: "docker" "start" "-a" "c39dfbc2b9fd950bee5860c3508d0de50d5d76e121fb6087a213bb67c30864d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling raw-cpuid v10.7.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling st3 v0.4.1
[INFO] [stderr]    Compiling quanta v0.10.1
[INFO] [stderr]    Compiling pi_wrr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `wrr`
[INFO] [stdout]  --> tests/test.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use wrr::IWRRSelector;
[INFO] [stdout]   |     ^^^ use of unresolved module or unlinked crate `wrr`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `wrr`, use `cargo add wrr` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RefCell` and `UnsafeCell`
[INFO] [stdout]  --> tests/test.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::{RefCell, UnsafeCell};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> tests/test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pi_wrr` (test "test") due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c39dfbc2b9fd950bee5860c3508d0de50d5d76e121fb6087a213bb67c30864d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c39dfbc2b9fd950bee5860c3508d0de50d5d76e121fb6087a213bb67c30864d9", kill_on_drop: false }`
[INFO] [stdout] c39dfbc2b9fd950bee5860c3508d0de50d5d76e121fb6087a213bb67c30864d9
