[INFO] fetching crate fennec-vfs 0.1.8...
[INFO] testing fennec-vfs-0.1.8 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate fennec-vfs 0.1.8 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate fennec-vfs 0.1.8
[INFO] finished tweaking crates.io crate fennec-vfs 0.1.8
[INFO] tweaked toml for crates.io crate fennec-vfs 0.1.8 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fennec-vfs 0.1.8 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]     Updating crates.io index
[INFO] [stderr]      Locking 81 packages to latest compatible versions
[INFO] [stderr]       Adding proptest-state-machine v0.1.0 (available: v0.5.0)
[INFO] [stderr]       Adding toml v0.8.23 (available: v0.9.7)
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1eee9f12f0cb6ab8c0d183cdbe524f90627b73a715834a78065f30ee8251ff14
[INFO] running `Command { std: "docker" "start" "-a" "1eee9f12f0cb6ab8c0d183cdbe524f90627b73a715834a78065f30ee8251ff14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1eee9f12f0cb6ab8c0d183cdbe524f90627b73a715834a78065f30ee8251ff14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eee9f12f0cb6ab8c0d183cdbe524f90627b73a715834a78065f30ee8251ff14", kill_on_drop: false }`
[INFO] [stdout] 1eee9f12f0cb6ab8c0d183cdbe524f90627b73a715834a78065f30ee8251ff14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f22eb657512007abaaf0fe201bead5f1d1f5b9e68af36bfc9113a6a08fca8393
[INFO] running `Command { std: "docker" "start" "-a" "f22eb657512007abaaf0fe201bead5f1d1f5b9e68af36bfc9113a6a08fca8393", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling fennec-common v0.1.8
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling fennec-vfs v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.28s
[INFO] running `Command { std: "docker" "inspect" "f22eb657512007abaaf0fe201bead5f1d1f5b9e68af36bfc9113a6a08fca8393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f22eb657512007abaaf0fe201bead5f1d1f5b9e68af36bfc9113a6a08fca8393", kill_on_drop: false }`
[INFO] [stdout] f22eb657512007abaaf0fe201bead5f1d1f5b9e68af36bfc9113a6a08fca8393
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5be863b38fc4aed7e02fca2a38c45cc09d714441276dc471d928767931550fb9
[INFO] running `Command { std: "docker" "start" "-a" "5be863b38fc4aed7e02fca2a38c45cc09d714441276dc471d928767931550fb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling fennec-common v0.1.8
[INFO] [stderr]    Compiling fennec-vfs v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v1.8.0
[INFO] [stderr]    Compiling proptest-state-machine v0.1.0
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.02s
[INFO] running `Command { std: "docker" "inspect" "5be863b38fc4aed7e02fca2a38c45cc09d714441276dc471d928767931550fb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5be863b38fc4aed7e02fca2a38c45cc09d714441276dc471d928767931550fb9", kill_on_drop: false }`
[INFO] [stdout] 5be863b38fc4aed7e02fca2a38c45cc09d714441276dc471d928767931550fb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c4e21b1bb6d29d0814b8762e3ecda234745a055f017d724e210b1b0b6a4ec22b
[INFO] running `Command { std: "docker" "start" "-a" "c4e21b1bb6d29d0814b8762e3ecda234745a055f017d724e210b1b0b6a4ec22b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fennec_vfs-57142f8b5efe7b63)
[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]      Running tests/vfs_workspace_reconstruct_test.rs (/opt/rustwide/target/debug/deps/vfs_workspace_reconstruct_test-f9052f01f090c3f4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test vfs_workspace_reconstruct_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.93s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fennec_vfs
[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" "c4e21b1bb6d29d0814b8762e3ecda234745a055f017d724e210b1b0b6a4ec22b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4e21b1bb6d29d0814b8762e3ecda234745a055f017d724e210b1b0b6a4ec22b", kill_on_drop: false }`
[INFO] [stdout] c4e21b1bb6d29d0814b8762e3ecda234745a055f017d724e210b1b0b6a4ec22b