[INFO] fetching crate jio 0.0.0...
[INFO] testing jio-0.0.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate jio 0.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate jio 0.0.0
[INFO] finished tweaking crates.io crate jio 0.0.0
[INFO] tweaked toml for crates.io crate jio 0.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jio 0.0.0 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] 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] 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 354431ab4491497e0bbb0d724607ddcba85ba970d55ffaaf9aa58e7bbfad1c3a
[INFO] running `Command { std: "docker" "start" "-a" "354431ab4491497e0bbb0d724607ddcba85ba970d55ffaaf9aa58e7bbfad1c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "354431ab4491497e0bbb0d724607ddcba85ba970d55ffaaf9aa58e7bbfad1c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "354431ab4491497e0bbb0d724607ddcba85ba970d55ffaaf9aa58e7bbfad1c3a", kill_on_drop: false }`
[INFO] [stdout] 354431ab4491497e0bbb0d724607ddcba85ba970d55ffaaf9aa58e7bbfad1c3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 10674b886d55f1774091fb75c220e8936aa41d9abd0cdf5d02ecda59d7c1fe8b
[INFO] running `Command { std: "docker" "start" "-a" "10674b886d55f1774091fb75c220e8936aa41d9abd0cdf5d02ecda59d7c1fe8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling jio v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "10674b886d55f1774091fb75c220e8936aa41d9abd0cdf5d02ecda59d7c1fe8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10674b886d55f1774091fb75c220e8936aa41d9abd0cdf5d02ecda59d7c1fe8b", kill_on_drop: false }`
[INFO] [stdout] 10674b886d55f1774091fb75c220e8936aa41d9abd0cdf5d02ecda59d7c1fe8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 83cfb6e521da212c364ac3ec30283b7eafacacdf563ce9b3fd28a9a8bc04b777
[INFO] running `Command { std: "docker" "start" "-a" "83cfb6e521da212c364ac3ec30283b7eafacacdf563ce9b3fd28a9a8bc04b777", kill_on_drop: false }`
[INFO] [stderr]    Compiling jio v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "83cfb6e521da212c364ac3ec30283b7eafacacdf563ce9b3fd28a9a8bc04b777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83cfb6e521da212c364ac3ec30283b7eafacacdf563ce9b3fd28a9a8bc04b777", kill_on_drop: false }`
[INFO] [stdout] 83cfb6e521da212c364ac3ec30283b7eafacacdf563ce9b3fd28a9a8bc04b777
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f756aeb30927a3192a81f0d3485aa7026062a36085a00ae5c9f0c26c2c63004c
[INFO] running `Command { std: "docker" "start" "-a" "f756aeb30927a3192a81f0d3485aa7026062a36085a00ae5c9f0c26c2c63004c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/jio-84458eb2f2e142f3)
[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 jio
[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" "f756aeb30927a3192a81f0d3485aa7026062a36085a00ae5c9f0c26c2c63004c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f756aeb30927a3192a81f0d3485aa7026062a36085a00ae5c9f0c26c2c63004c", kill_on_drop: false }`
[INFO] [stdout] f756aeb30927a3192a81f0d3485aa7026062a36085a00ae5c9f0c26c2c63004c