[INFO] fetching crate fractal-btrfs-wrappers 0.1.1...
[INFO] testing fractal-btrfs-wrappers-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate fractal-btrfs-wrappers 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate fractal-btrfs-wrappers 0.1.1
[INFO] finished tweaking crates.io crate fractal-btrfs-wrappers 0.1.1
[INFO] tweaked toml for crates.io crate fractal-btrfs-wrappers 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fractal-btrfs-wrappers 0.1.1 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]     Updating crates.io index
[INFO] [stderr]      Locking 37 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 58a893b99dc199b35abb55aa9250c38e7c89c613733ab7d1a430045fe6a0833b
[INFO] running `Command { std: "docker" "start" "-a" "58a893b99dc199b35abb55aa9250c38e7c89c613733ab7d1a430045fe6a0833b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58a893b99dc199b35abb55aa9250c38e7c89c613733ab7d1a430045fe6a0833b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58a893b99dc199b35abb55aa9250c38e7c89c613733ab7d1a430045fe6a0833b", kill_on_drop: false }`
[INFO] [stdout] 58a893b99dc199b35abb55aa9250c38e7c89c613733ab7d1a430045fe6a0833b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1c8e573a7b552e6acd9bd8f1f10fe377e89690bc4a475dee2bf30fbd9ca57058
[INFO] running `Command { std: "docker" "start" "-a" "1c8e573a7b552e6acd9bd8f1f10fe377e89690bc4a475dee2bf30fbd9ca57058", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling fractal-btrfs-wrappers v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "1c8e573a7b552e6acd9bd8f1f10fe377e89690bc4a475dee2bf30fbd9ca57058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c8e573a7b552e6acd9bd8f1f10fe377e89690bc4a475dee2bf30fbd9ca57058", kill_on_drop: false }`
[INFO] [stdout] 1c8e573a7b552e6acd9bd8f1f10fe377e89690bc4a475dee2bf30fbd9ca57058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 341b1b82fed137ac3d4ca3f3ca34bf7ceb44081b521f47bad2befcc17dc4e0f8
[INFO] running `Command { std: "docker" "start" "-a" "341b1b82fed137ac3d4ca3f3ca34bf7ceb44081b521f47bad2befcc17dc4e0f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling fractal-btrfs-wrappers v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "341b1b82fed137ac3d4ca3f3ca34bf7ceb44081b521f47bad2befcc17dc4e0f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "341b1b82fed137ac3d4ca3f3ca34bf7ceb44081b521f47bad2befcc17dc4e0f8", kill_on_drop: false }`
[INFO] [stdout] 341b1b82fed137ac3d4ca3f3ca34bf7ceb44081b521f47bad2befcc17dc4e0f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 736a2a83c3c293056804c1bfe22e0ddced8131f0cd00463cad0cff3ec95f7170
[INFO] running `Command { std: "docker" "start" "-a" "736a2a83c3c293056804c1bfe22e0ddced8131f0cd00463cad0cff3ec95f7170", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fractal_btrfs_wrappers-c7763ed3c5b97581)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests fractal_btrfs_wrappers
[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] [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" "736a2a83c3c293056804c1bfe22e0ddced8131f0cd00463cad0cff3ec95f7170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "736a2a83c3c293056804c1bfe22e0ddced8131f0cd00463cad0cff3ec95f7170", kill_on_drop: false }`
[INFO] [stdout] 736a2a83c3c293056804c1bfe22e0ddced8131f0cd00463cad0cff3ec95f7170