[INFO] fetching crate stochastic-queue 0.2.0...
[INFO] testing stochastic-queue-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate stochastic-queue 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate stochastic-queue 0.2.0
[INFO] finished tweaking crates.io crate stochastic-queue 0.2.0
[INFO] tweaked toml for crates.io crate stochastic-queue 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stochastic-queue 0.2.0 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 14 packages to latest compatible versions
[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] 3492f994072b53b947efd085df0c293d1c8309a4138c7d38400381c508b980fb
[INFO] running `Command { std: "docker" "start" "-a" "3492f994072b53b947efd085df0c293d1c8309a4138c7d38400381c508b980fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3492f994072b53b947efd085df0c293d1c8309a4138c7d38400381c508b980fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3492f994072b53b947efd085df0c293d1c8309a4138c7d38400381c508b980fb", kill_on_drop: false }`
[INFO] [stdout] 3492f994072b53b947efd085df0c293d1c8309a4138c7d38400381c508b980fb
[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] aa13e9c5d71fbc1c96265984ab6378161d4299810617b1cc003b0888b21be0f9
[INFO] running `Command { std: "docker" "start" "-a" "aa13e9c5d71fbc1c96265984ab6378161d4299810617b1cc003b0888b21be0f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling stochastic-queue v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.24s
[INFO] running `Command { std: "docker" "inspect" "aa13e9c5d71fbc1c96265984ab6378161d4299810617b1cc003b0888b21be0f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa13e9c5d71fbc1c96265984ab6378161d4299810617b1cc003b0888b21be0f9", kill_on_drop: false }`
[INFO] [stdout] aa13e9c5d71fbc1c96265984ab6378161d4299810617b1cc003b0888b21be0f9
[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] bf8b79e4d5a46e3fd26d5f4b0a64b5557f94e3c7544fe16fe8ab7eefc95bf122
[INFO] running `Command { std: "docker" "start" "-a" "bf8b79e4d5a46e3fd26d5f4b0a64b5557f94e3c7544fe16fe8ab7eefc95bf122", kill_on_drop: false }`
[INFO] [stderr]    Compiling stochastic-queue v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "bf8b79e4d5a46e3fd26d5f4b0a64b5557f94e3c7544fe16fe8ab7eefc95bf122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf8b79e4d5a46e3fd26d5f4b0a64b5557f94e3c7544fe16fe8ab7eefc95bf122", kill_on_drop: false }`
[INFO] [stdout] bf8b79e4d5a46e3fd26d5f4b0a64b5557f94e3c7544fe16fe8ab7eefc95bf122
[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", kill_on_drop: false }`
[INFO] [stdout] fef1a7fab538af29bae7fbca86bf639d2af85cd769e227fb99307d22b78c7035
[INFO] running `Command { std: "docker" "start" "-a" "fef1a7fab538af29bae7fbca86bf639d2af85cd769e227fb99307d22b78c7035", kill_on_drop: false }`
[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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stochastic_queue-5debec97c29a7239)
[INFO] [stderr]    Doc-tests stochastic_queue
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/mpmc_sync.rs - mpmc_sync::stochastic_channel (line 182) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/mpmc_sync.rs - mpmc_sync::stochastic_channel (line 182) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `stochastic_queue::stochastic_channel`
[INFO] [stdout]    --> src/mpmc_sync.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 | use stochastic_queue::stochastic_channel;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `stochastic_channel` in the root
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/mpmc_sync.rs - mpmc_sync::stochastic_channel (line 182)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "fef1a7fab538af29bae7fbca86bf639d2af85cd769e227fb99307d22b78c7035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fef1a7fab538af29bae7fbca86bf639d2af85cd769e227fb99307d22b78c7035", kill_on_drop: false }`
[INFO] [stdout] fef1a7fab538af29bae7fbca86bf639d2af85cd769e227fb99307d22b78c7035
