[INFO] fetching crate prefix_string 1.0.0...
[INFO] testing prefix_string-1.0.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate prefix_string 1.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate prefix_string 1.0.0
[INFO] finished tweaking crates.io crate prefix_string 1.0.0
[INFO] tweaked toml for crates.io crate prefix_string 1.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prefix_string 1.0.0 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] crate crates.io crate prefix_string 1.0.0 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 89b16d5d941ea6310639ce7afef80d515dd52e78f51602828fec086e0858e898
[INFO] running `Command { std: "docker" "start" "-a" "89b16d5d941ea6310639ce7afef80d515dd52e78f51602828fec086e0858e898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89b16d5d941ea6310639ce7afef80d515dd52e78f51602828fec086e0858e898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89b16d5d941ea6310639ce7afef80d515dd52e78f51602828fec086e0858e898", kill_on_drop: false }`
[INFO] [stdout] 89b16d5d941ea6310639ce7afef80d515dd52e78f51602828fec086e0858e898
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 28951570d123f266b730c1a18133d09c1b23a7b55acf5a2d03dbe490317bba61
[INFO] running `Command { std: "docker" "start" "-a" "28951570d123f266b730c1a18133d09c1b23a7b55acf5a2d03dbe490317bba61", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefix_string v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "28951570d123f266b730c1a18133d09c1b23a7b55acf5a2d03dbe490317bba61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28951570d123f266b730c1a18133d09c1b23a7b55acf5a2d03dbe490317bba61", kill_on_drop: false }`
[INFO] [stdout] 28951570d123f266b730c1a18133d09c1b23a7b55acf5a2d03dbe490317bba61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d86fe0c50a803108f064e8bfb52c31ed7512e308d51ac982672c7897389d137b
[INFO] running `Command { std: "docker" "start" "-a" "d86fe0c50a803108f064e8bfb52c31ed7512e308d51ac982672c7897389d137b", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefix_string v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "d86fe0c50a803108f064e8bfb52c31ed7512e308d51ac982672c7897389d137b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d86fe0c50a803108f064e8bfb52c31ed7512e308d51ac982672c7897389d137b", kill_on_drop: false }`
[INFO] [stdout] d86fe0c50a803108f064e8bfb52c31ed7512e308d51ac982672c7897389d137b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ae8c477a693025fd4cd2dc2b0d4e5d8ea2250d89cdbad47351034a629d21ebb3
[INFO] running `Command { std: "docker" "start" "-a" "ae8c477a693025fd4cd2dc2b0d4e5d8ea2250d89cdbad47351034a629d21ebb3", 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/prefix_string-eeb32b896f9a9be3)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test already_prefixed ... ok
[INFO] [stdout] test regular_usage ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/prefix_string-8207e1bf97754f82)
[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 prefix_string
[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" "ae8c477a693025fd4cd2dc2b0d4e5d8ea2250d89cdbad47351034a629d21ebb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8c477a693025fd4cd2dc2b0d4e5d8ea2250d89cdbad47351034a629d21ebb3", kill_on_drop: false }`
[INFO] [stdout] ae8c477a693025fd4cd2dc2b0d4e5d8ea2250d89cdbad47351034a629d21ebb3