[INFO] fetching crate split-first-char 2.0.1...
[INFO] testing split-first-char-2.0.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate split-first-char 2.0.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate split-first-char 2.0.1
[INFO] finished tweaking crates.io crate split-first-char 2.0.1
[INFO] tweaked toml for crates.io crate split-first-char 2.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate split-first-char 2.0.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99882c6f868576a50a309a92987c1e08af38d57d36fe6220a27a897eeb454fa6
[INFO] running `Command { std: "docker" "start" "-a" "99882c6f868576a50a309a92987c1e08af38d57d36fe6220a27a897eeb454fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99882c6f868576a50a309a92987c1e08af38d57d36fe6220a27a897eeb454fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99882c6f868576a50a309a92987c1e08af38d57d36fe6220a27a897eeb454fa6", kill_on_drop: false }`
[INFO] [stdout] 99882c6f868576a50a309a92987c1e08af38d57d36fe6220a27a897eeb454fa6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 068507bb8e18b38b2b2b410b2bbbdaabfe050bb747a8d45c8fe7d5c13bfd263d
[INFO] running `Command { std: "docker" "start" "-a" "068507bb8e18b38b2b2b410b2bbbdaabfe050bb747a8d45c8fe7d5c13bfd263d", kill_on_drop: false }`
[INFO] [stderr]    Compiling split-first-char v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "068507bb8e18b38b2b2b410b2bbbdaabfe050bb747a8d45c8fe7d5c13bfd263d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "068507bb8e18b38b2b2b410b2bbbdaabfe050bb747a8d45c8fe7d5c13bfd263d", kill_on_drop: false }`
[INFO] [stdout] 068507bb8e18b38b2b2b410b2bbbdaabfe050bb747a8d45c8fe7d5c13bfd263d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32f2b8eb928d47050bcc1fd066cec0a5d310c6b65020fcdb0c673cc51a1f11c1
[INFO] running `Command { std: "docker" "start" "-a" "32f2b8eb928d47050bcc1fd066cec0a5d310c6b65020fcdb0c673cc51a1f11c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling split-first-char v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "32f2b8eb928d47050bcc1fd066cec0a5d310c6b65020fcdb0c673cc51a1f11c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32f2b8eb928d47050bcc1fd066cec0a5d310c6b65020fcdb0c673cc51a1f11c1", kill_on_drop: false }`
[INFO] [stdout] 32f2b8eb928d47050bcc1fd066cec0a5d310c6b65020fcdb0c673cc51a1f11c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ccc2a43bf14760c885ab1d1a13545342aa1a2dfba1aa94057d3d8937f0f267e4
[INFO] running `Command { std: "docker" "start" "-a" "ccc2a43bf14760c885ab1d1a13545342aa1a2dfba1aa94057d3d8937f0f267e4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests lib.rs (/opt/rustwide/target/debug/deps/split_first_char-7e20a2d080ddad29)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::deref ... ok
[INFO] [stdout] test test::lifetime ... ok
[INFO] [stdout] test test::method ... ok
[INFO] [stdout] test test::function ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests split_first_char
[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" "ccc2a43bf14760c885ab1d1a13545342aa1a2dfba1aa94057d3d8937f0f267e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccc2a43bf14760c885ab1d1a13545342aa1a2dfba1aa94057d3d8937f0f267e4", kill_on_drop: false }`
[INFO] [stdout] ccc2a43bf14760c885ab1d1a13545342aa1a2dfba1aa94057d3d8937f0f267e4