[INFO] fetching crate dropout 0.1.0...
[INFO] testing dropout-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate dropout 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate dropout 0.1.0
[INFO] finished tweaking crates.io crate dropout 0.1.0
[INFO] tweaked toml for crates.io crate dropout 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dropout 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dropout 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a51c82b9851bbf673e696960f0a8b5a56d0283b9ed38f16311af6877afdbd57f
[INFO] running `Command { std: "docker" "start" "-a" "a51c82b9851bbf673e696960f0a8b5a56d0283b9ed38f16311af6877afdbd57f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a51c82b9851bbf673e696960f0a8b5a56d0283b9ed38f16311af6877afdbd57f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a51c82b9851bbf673e696960f0a8b5a56d0283b9ed38f16311af6877afdbd57f", kill_on_drop: false }`
[INFO] [stdout] a51c82b9851bbf673e696960f0a8b5a56d0283b9ed38f16311af6877afdbd57f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 014537500e30bedc8b7575a5094d080550d0110844603a43bee7ab161e1b3acd
[INFO] running `Command { std: "docker" "start" "-a" "014537500e30bedc8b7575a5094d080550d0110844603a43bee7ab161e1b3acd", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling dropout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "014537500e30bedc8b7575a5094d080550d0110844603a43bee7ab161e1b3acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "014537500e30bedc8b7575a5094d080550d0110844603a43bee7ab161e1b3acd", kill_on_drop: false }`
[INFO] [stdout] 014537500e30bedc8b7575a5094d080550d0110844603a43bee7ab161e1b3acd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25724affcdc9bdb7044338c6efb7b101931466041d199b26e47a1b0f3f8be42a
[INFO] running `Command { std: "docker" "start" "-a" "25724affcdc9bdb7044338c6efb7b101931466041d199b26e47a1b0f3f8be42a", kill_on_drop: false }`
[INFO] [stderr]    Compiling dropout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `new_dropper` in crate `dropout`
[INFO] [stdout]   --> examples/demo.rs:26:28
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let dropper = dropout::new_dropper();
[INFO] [stdout]    |                            ^^^^^^^^^^^ not found in `dropout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dropout` (example "demo") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "25724affcdc9bdb7044338c6efb7b101931466041d199b26e47a1b0f3f8be42a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25724affcdc9bdb7044338c6efb7b101931466041d199b26e47a1b0f3f8be42a", kill_on_drop: false }`
[INFO] [stdout] 25724affcdc9bdb7044338c6efb7b101931466041d199b26e47a1b0f3f8be42a