[INFO] fetching crate ecfuzz 0.2.4...
[INFO] testing ecfuzz-0.2.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate ecfuzz 0.2.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate ecfuzz 0.2.4
[INFO] finished tweaking crates.io crate ecfuzz 0.2.4
[INFO] tweaked toml for crates.io crate ecfuzz 0.2.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ecfuzz 0.2.4 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 ecfuzz 0.2.4 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1ea6ab1fe7f1ba4dd5a4d8ad4613037f98ddf7f12a9deedc2e4fd5b5df483477
[INFO] running `Command { std: "docker" "start" "-a" "1ea6ab1fe7f1ba4dd5a4d8ad4613037f98ddf7f12a9deedc2e4fd5b5df483477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ea6ab1fe7f1ba4dd5a4d8ad4613037f98ddf7f12a9deedc2e4fd5b5df483477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ea6ab1fe7f1ba4dd5a4d8ad4613037f98ddf7f12a9deedc2e4fd5b5df483477", kill_on_drop: false }`
[INFO] [stdout] 1ea6ab1fe7f1ba4dd5a4d8ad4613037f98ddf7f12a9deedc2e4fd5b5df483477
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 30ff5b86f68e7a577775e45e36fd2ef9c5dce8b2de38e7b5b6fe24587905b147
[INFO] running `Command { std: "docker" "start" "-a" "30ff5b86f68e7a577775e45e36fd2ef9c5dce8b2de38e7b5b6fe24587905b147", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling xxhash-rust v0.8.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling ecfuzz v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.16s
[INFO] running `Command { std: "docker" "inspect" "30ff5b86f68e7a577775e45e36fd2ef9c5dce8b2de38e7b5b6fe24587905b147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30ff5b86f68e7a577775e45e36fd2ef9c5dce8b2de38e7b5b6fe24587905b147", kill_on_drop: false }`
[INFO] [stdout] 30ff5b86f68e7a577775e45e36fd2ef9c5dce8b2de38e7b5b6fe24587905b147
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f54953ca032e57370f5bc9eff445ee025bc5ae5676bd4c346dc10fe226f636b2
[INFO] running `Command { std: "docker" "start" "-a" "f54953ca032e57370f5bc9eff445ee025bc5ae5676bd4c346dc10fe226f636b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling ecfuzz v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0382]: borrow of moved value: `my_engine.data`
[INFO] [stdout]    --> examples/fuzz_c_lib/main.rs:291:32
[INFO] [stdout]     |
[INFO] [stdout] 220 |     let mut my_engine = MyFuzzEngine::new();
[INFO] [stdout]     |         ------------- move occurs because `my_engine` has type `MyFuzzEngine`, which does not implement the `Copy` trait
[INFO] [stdout] ...
[INFO] [stdout] 256 |         my_engine.mutate(cov_corpus.total_coverage.len());
[INFO] [stdout]     |         --------- value moved here
[INFO] [stdout] ...
[INFO] [stdout] 291 |             let corpus_entry = my_engine.data.clone().serialize(mutation_trial.coverage);
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^ value borrowed here after move
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ecfuzz` (example "fuzz_c_lib") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f54953ca032e57370f5bc9eff445ee025bc5ae5676bd4c346dc10fe226f636b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f54953ca032e57370f5bc9eff445ee025bc5ae5676bd4c346dc10fe226f636b2", kill_on_drop: false }`
[INFO] [stdout] f54953ca032e57370f5bc9eff445ee025bc5ae5676bd4c346dc10fe226f636b2