[INFO] fetching crate single-utilities 0.8.5...
[INFO] testing single-utilities-0.8.5 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate single-utilities 0.8.5 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate single-utilities 0.8.5
[INFO] finished tweaking crates.io crate single-utilities 0.8.5
[INFO] tweaked toml for crates.io crate single-utilities 0.8.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate single-utilities 0.8.5 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 single-utilities 0.8.5 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] b061b18c1819c663f91a93f0f8c862a0113cc4e8e41332eaee41cb83d9205e35
[INFO] running `Command { std: "docker" "start" "-a" "b061b18c1819c663f91a93f0f8c862a0113cc4e8e41332eaee41cb83d9205e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b061b18c1819c663f91a93f0f8c862a0113cc4e8e41332eaee41cb83d9205e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b061b18c1819c663f91a93f0f8c862a0113cc4e8e41332eaee41cb83d9205e35", kill_on_drop: false }`
[INFO] [stdout] b061b18c1819c663f91a93f0f8c862a0113cc4e8e41332eaee41cb83d9205e35
[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] 1dd5b73d1c9b4618cb82fc7817c32e524d811eabab76bfe93fc905b33bcee959
[INFO] running `Command { std: "docker" "start" "-a" "1dd5b73d1c9b4618cb82fc7817c32e524d811eabab76bfe93fc905b33bcee959", kill_on_drop: false }`
[INFO] [stderr]    Compiling single-utilities v0.8.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "1dd5b73d1c9b4618cb82fc7817c32e524d811eabab76bfe93fc905b33bcee959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dd5b73d1c9b4618cb82fc7817c32e524d811eabab76bfe93fc905b33bcee959", kill_on_drop: false }`
[INFO] [stdout] 1dd5b73d1c9b4618cb82fc7817c32e524d811eabab76bfe93fc905b33bcee959
[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] 8872cb5f8fb65791c6c20dd73030b1d915b0f193ce61dd5e14425b79b6be830d
[INFO] running `Command { std: "docker" "start" "-a" "8872cb5f8fb65791c6c20dd73030b1d915b0f193ce61dd5e14425b79b6be830d", kill_on_drop: false }`
[INFO] [stderr]    Compiling single-utilities v0.8.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "8872cb5f8fb65791c6c20dd73030b1d915b0f193ce61dd5e14425b79b6be830d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8872cb5f8fb65791c6c20dd73030b1d915b0f193ce61dd5e14425b79b6be830d", kill_on_drop: false }`
[INFO] [stdout] 8872cb5f8fb65791c6c20dd73030b1d915b0f193ce61dd5e14425b79b6be830d
[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] a9769b717595336451d5a831d897760d66c08abcd281d6f26b7ed5207e98fed0
[INFO] running `Command { std: "docker" "start" "-a" "a9769b717595336451d5a831d897760d66c08abcd281d6f26b7ed5207e98fed0", 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/single_utilities-b1f22a8dd470b13f)
[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 single_utilities
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 31) ... 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" "a9769b717595336451d5a831d897760d66c08abcd281d6f26b7ed5207e98fed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9769b717595336451d5a831d897760d66c08abcd281d6f26b7ed5207e98fed0", kill_on_drop: false }`
[INFO] [stdout] a9769b717595336451d5a831d897760d66c08abcd281d6f26b7ed5207e98fed0