[INFO] fetching crate polyfuse-kernel 0.2.1...
[INFO] testing polyfuse-kernel-0.2.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate polyfuse-kernel 0.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate polyfuse-kernel 0.2.1
[INFO] finished tweaking crates.io crate polyfuse-kernel 0.2.1
[INFO] tweaked toml for crates.io crate polyfuse-kernel 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polyfuse-kernel 0.2.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[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] de34d8ef7b6349940a59f39da2617d3b769b270aeed771c9744167f1c324b304
[INFO] running `Command { std: "docker" "start" "-a" "de34d8ef7b6349940a59f39da2617d3b769b270aeed771c9744167f1c324b304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de34d8ef7b6349940a59f39da2617d3b769b270aeed771c9744167f1c324b304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de34d8ef7b6349940a59f39da2617d3b769b270aeed771c9744167f1c324b304", kill_on_drop: false }`
[INFO] [stdout] de34d8ef7b6349940a59f39da2617d3b769b270aeed771c9744167f1c324b304
[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] 706c18a2477e81068b7c60d319ec7c6da33e9a8d053d3f09f23bdba724ad319b
[INFO] running `Command { std: "docker" "start" "-a" "706c18a2477e81068b7c60d319ec7c6da33e9a8d053d3f09f23bdba724ad319b", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling polyfuse-kernel v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `Command { std: "docker" "inspect" "706c18a2477e81068b7c60d319ec7c6da33e9a8d053d3f09f23bdba724ad319b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "706c18a2477e81068b7c60d319ec7c6da33e9a8d053d3f09f23bdba724ad319b", kill_on_drop: false }`
[INFO] [stdout] 706c18a2477e81068b7c60d319ec7c6da33e9a8d053d3f09f23bdba724ad319b
[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] 3ba828be38e167d4827970903533800b73bae4d9ca1c11e2d5742f7c20e40d49
[INFO] running `Command { std: "docker" "start" "-a" "3ba828be38e167d4827970903533800b73bae4d9ca1c11e2d5742f7c20e40d49", kill_on_drop: false }`
[INFO] [stderr]    Compiling polyfuse-kernel v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "3ba828be38e167d4827970903533800b73bae4d9ca1c11e2d5742f7c20e40d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ba828be38e167d4827970903533800b73bae4d9ca1c11e2d5742f7c20e40d49", kill_on_drop: false }`
[INFO] [stdout] 3ba828be38e167d4827970903533800b73bae4d9ca1c11e2d5742f7c20e40d49
[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", kill_on_drop: false }`
[INFO] [stdout] c735515c43fcbbd34a4ea2ba7f7a6d8d5891fbd15ccef862696a4b2111b9908a
[INFO] running `Command { std: "docker" "start" "-a" "c735515c43fcbbd34a4ea2ba7f7a6d8d5891fbd15ccef862696a4b2111b9908a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/polyfuse_kernel-52fac4155ba02d35)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polyfuse_kernel
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "c735515c43fcbbd34a4ea2ba7f7a6d8d5891fbd15ccef862696a4b2111b9908a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c735515c43fcbbd34a4ea2ba7f7a6d8d5891fbd15ccef862696a4b2111b9908a", kill_on_drop: false }`
[INFO] [stdout] c735515c43fcbbd34a4ea2ba7f7a6d8d5891fbd15ccef862696a4b2111b9908a