[INFO] fetching crate kutil-io 0.0.4...
[INFO] testing kutil-io-0.0.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate kutil-io 0.0.4 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate kutil-io 0.0.4
[INFO] finished tweaking crates.io crate kutil-io 0.0.4
[INFO] tweaked toml for crates.io crate kutil-io 0.0.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kutil-io 0.0.4 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 kutil-io 0.0.4 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 23e49d8516c3e667664ac6f39f6773e3e6136bf5741b08c35bea4159be7f11a2
[INFO] running `Command { std: "docker" "start" "-a" "23e49d8516c3e667664ac6f39f6773e3e6136bf5741b08c35bea4159be7f11a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23e49d8516c3e667664ac6f39f6773e3e6136bf5741b08c35bea4159be7f11a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23e49d8516c3e667664ac6f39f6773e3e6136bf5741b08c35bea4159be7f11a2", kill_on_drop: false }`
[INFO] [stdout] 23e49d8516c3e667664ac6f39f6773e3e6136bf5741b08c35bea4159be7f11a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5fc60043b0479719a5eb00fa776fd546bcbde8a0c1438a70e9ab5507eaeae725
[INFO] running `Command { std: "docker" "start" "-a" "5fc60043b0479719a5eb00fa776fd546bcbde8a0c1438a70e9ab5507eaeae725", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling kutil-std v0.0.5
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling netdev v0.35.2
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling kutil-io v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.71s
[INFO] running `Command { std: "docker" "inspect" "5fc60043b0479719a5eb00fa776fd546bcbde8a0c1438a70e9ab5507eaeae725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc60043b0479719a5eb00fa776fd546bcbde8a0c1438a70e9ab5507eaeae725", kill_on_drop: false }`
[INFO] [stdout] 5fc60043b0479719a5eb00fa776fd546bcbde8a0c1438a70e9ab5507eaeae725
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4af772164974e5f773c64d9203d4ad681387ac1734bfc83c443ba0bac9786def
[INFO] running `Command { std: "docker" "start" "-a" "4af772164974e5f773c64d9203d4ad681387ac1734bfc83c443ba0bac9786def", kill_on_drop: false }`
[INFO] [stderr]    Compiling kutil-io v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "4af772164974e5f773c64d9203d4ad681387ac1734bfc83c443ba0bac9786def", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4af772164974e5f773c64d9203d4ad681387ac1734bfc83c443ba0bac9786def", kill_on_drop: false }`
[INFO] [stdout] 4af772164974e5f773c64d9203d4ad681387ac1734bfc83c443ba0bac9786def
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3937bcd6f1944a9c7c0cb74ba88edf95c3d72ad131f8f5fdb82399b8bcf4b720
[INFO] running `Command { std: "docker" "start" "-a" "3937bcd6f1944a9c7c0cb74ba88edf95c3d72ad131f8f5fdb82399b8bcf4b720", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kutil_io-3e867727c4ee79ad)
[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]    Doc-tests kutil_io
[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" "3937bcd6f1944a9c7c0cb74ba88edf95c3d72ad131f8f5fdb82399b8bcf4b720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3937bcd6f1944a9c7c0cb74ba88edf95c3d72ad131f8f5fdb82399b8bcf4b720", kill_on_drop: false }`
[INFO] [stdout] 3937bcd6f1944a9c7c0cb74ba88edf95c3d72ad131f8f5fdb82399b8bcf4b720