[INFO] fetching crate engineioxide-core 0.2.0...
[INFO] testing engineioxide-core-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate engineioxide-core 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate engineioxide-core 0.2.0
[INFO] finished tweaking crates.io crate engineioxide-core 0.2.0
[INFO] tweaked toml for crates.io crate engineioxide-core 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate engineioxide-core 0.2.0 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 engineioxide-core 0.2.0 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-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] 6fde3016926233e67570b97972eeafd0c0befb45d44d7a5246e43c06a616e328
[INFO] running `Command { std: "docker" "start" "-a" "6fde3016926233e67570b97972eeafd0c0befb45d44d7a5246e43c06a616e328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fde3016926233e67570b97972eeafd0c0befb45d44d7a5246e43c06a616e328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fde3016926233e67570b97972eeafd0c0befb45d44d7a5246e43c06a616e328", kill_on_drop: false }`
[INFO] [stdout] 6fde3016926233e67570b97972eeafd0c0befb45d44d7a5246e43c06a616e328
[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] 86bb759dc5eeedf9b4f9e8f2490120364303b7cba56e75838ffd95b2a7465be1
[INFO] running `Command { std: "docker" "start" "-a" "86bb759dc5eeedf9b4f9e8f2490120364303b7cba56e75838ffd95b2a7465be1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling engineioxide-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.13s
[INFO] running `Command { std: "docker" "inspect" "86bb759dc5eeedf9b4f9e8f2490120364303b7cba56e75838ffd95b2a7465be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86bb759dc5eeedf9b4f9e8f2490120364303b7cba56e75838ffd95b2a7465be1", kill_on_drop: false }`
[INFO] [stdout] 86bb759dc5eeedf9b4f9e8f2490120364303b7cba56e75838ffd95b2a7465be1
[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] e3c45617ffaccf883f98e5000d1cc1b669cde3e48d25341d78e9a3eeb8437b72
[INFO] running `Command { std: "docker" "start" "-a" "e3c45617ffaccf883f98e5000d1cc1b669cde3e48d25341d78e9a3eeb8437b72", kill_on_drop: false }`
[INFO] [stderr]    Compiling engineioxide-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "e3c45617ffaccf883f98e5000d1cc1b669cde3e48d25341d78e9a3eeb8437b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3c45617ffaccf883f98e5000d1cc1b669cde3e48d25341d78e9a3eeb8437b72", kill_on_drop: false }`
[INFO] [stdout] e3c45617ffaccf883f98e5000d1cc1b669cde3e48d25341d78e9a3eeb8437b72
[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] cf3d74dd36139ca0eb21e7f0b19f64a46cc8f2f57c7c8b15109311b6edec6bdf
[INFO] running `Command { std: "docker" "start" "-a" "cf3d74dd36139ca0eb21e7f0b19f64a46cc8f2f57c7c8b15109311b6edec6bdf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/engineioxide_core-691c90660ff393f4)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test sid::tests::test_sid_from_str_invalid ... ok
[INFO] [stdout] test sid::tests::test_sid_from_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests engineioxide_core
[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" "cf3d74dd36139ca0eb21e7f0b19f64a46cc8f2f57c7c8b15109311b6edec6bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf3d74dd36139ca0eb21e7f0b19f64a46cc8f2f57c7c8b15109311b6edec6bdf", kill_on_drop: false }`
[INFO] [stdout] cf3d74dd36139ca0eb21e7f0b19f64a46cc8f2f57c7c8b15109311b6edec6bdf