[INFO] fetching crate nexosim-io-utils 0.0.0-alpha.1...
[INFO] testing nexosim-io-utils-0.0.0-alpha.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate nexosim-io-utils 0.0.0-alpha.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate nexosim-io-utils 0.0.0-alpha.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate nexosim-io-utils 0.0.0-alpha.1
[INFO] tweaked toml for crates.io crate nexosim-io-utils 0.0.0-alpha.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nexosim-io-utils 0.0.0-alpha.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] crate crates.io crate nexosim-io-utils 0.0.0-alpha.1 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-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] 6a7010e0ea24be9c41d2943d18e130e9c1907d5a58c238bcbf90b645716eb9dd
[INFO] running `Command { std: "docker" "start" "-a" "6a7010e0ea24be9c41d2943d18e130e9c1907d5a58c238bcbf90b645716eb9dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a7010e0ea24be9c41d2943d18e130e9c1907d5a58c238bcbf90b645716eb9dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a7010e0ea24be9c41d2943d18e130e9c1907d5a58c238bcbf90b645716eb9dd", kill_on_drop: false }`
[INFO] [stdout] 6a7010e0ea24be9c41d2943d18e130e9c1907d5a58c238bcbf90b645716eb9dd
[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] 18ba117424ecde6ec2b1dcff9ca779e6287d3887d33b157554581b492bc3e356
[INFO] running `Command { std: "docker" "start" "-a" "18ba117424ecde6ec2b1dcff9ca779e6287d3887d33b157554581b492bc3e356", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread-guard v0.1.0
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling nexosim-io-utils v0.0.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "18ba117424ecde6ec2b1dcff9ca779e6287d3887d33b157554581b492bc3e356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18ba117424ecde6ec2b1dcff9ca779e6287d3887d33b157554581b492bc3e356", kill_on_drop: false }`
[INFO] [stdout] 18ba117424ecde6ec2b1dcff9ca779e6287d3887d33b157554581b492bc3e356
[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] 966eba02ce7f953d374aacd3f6e9089133dc69c266229b94a33502daa5d1669a
[INFO] running `Command { std: "docker" "start" "-a" "966eba02ce7f953d374aacd3f6e9089133dc69c266229b94a33502daa5d1669a", kill_on_drop: false }`
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling nexosim-io-utils v0.0.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "966eba02ce7f953d374aacd3f6e9089133dc69c266229b94a33502daa5d1669a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "966eba02ce7f953d374aacd3f6e9089133dc69c266229b94a33502daa5d1669a", kill_on_drop: false }`
[INFO] [stdout] 966eba02ce7f953d374aacd3f6e9089133dc69c266229b94a33502daa5d1669a
[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] a0c40021e3261a2adda690373938a72a93317d1493207596d83bc3d729e64e35
[INFO] running `Command { std: "docker" "start" "-a" "a0c40021e3261a2adda690373938a72a93317d1493207596d83bc3d729e64e35", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nexosim_io_utils-e3189aecc56cd7b1)
[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 nexosim_io_utils
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/port.rs - port (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a0c40021e3261a2adda690373938a72a93317d1493207596d83bc3d729e64e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0c40021e3261a2adda690373938a72a93317d1493207596d83bc3d729e64e35", kill_on_drop: false }`
[INFO] [stdout] a0c40021e3261a2adda690373938a72a93317d1493207596d83bc3d729e64e35