[INFO] fetching crate string_len 0.1.2...
[INFO] testing string_len-0.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate string_len 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate string_len 0.1.2
[INFO] finished tweaking crates.io crate string_len 0.1.2
[INFO] tweaked toml for crates.io crate string_len 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate string_len 0.1.2 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a8ee21e5f0aa4b35325e700523b69f7a1116ddb5ab1844a63b83b40231f202f
[INFO] running `Command { std: "docker" "start" "-a" "6a8ee21e5f0aa4b35325e700523b69f7a1116ddb5ab1844a63b83b40231f202f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a8ee21e5f0aa4b35325e700523b69f7a1116ddb5ab1844a63b83b40231f202f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a8ee21e5f0aa4b35325e700523b69f7a1116ddb5ab1844a63b83b40231f202f", kill_on_drop: false }`
[INFO] [stdout] 6a8ee21e5f0aa4b35325e700523b69f7a1116ddb5ab1844a63b83b40231f202f
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb34dce2d7037897d4c761d8e0b4f1967f5b84d2fc3d1d2830f889b34b8f7324
[INFO] running `Command { std: "docker" "start" "-a" "eb34dce2d7037897d4c761d8e0b4f1967f5b84d2fc3d1d2830f889b34b8f7324", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_len v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "eb34dce2d7037897d4c761d8e0b4f1967f5b84d2fc3d1d2830f889b34b8f7324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb34dce2d7037897d4c761d8e0b4f1967f5b84d2fc3d1d2830f889b34b8f7324", kill_on_drop: false }`
[INFO] [stdout] eb34dce2d7037897d4c761d8e0b4f1967f5b84d2fc3d1d2830f889b34b8f7324
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa924b30e684e90e9ebfff9954c630905257e375f6843cf89cb675f4615f5631
[INFO] running `Command { std: "docker" "start" "-a" "aa924b30e684e90e9ebfff9954c630905257e375f6843cf89cb675f4615f5631", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_len v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "aa924b30e684e90e9ebfff9954c630905257e375f6843cf89cb675f4615f5631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa924b30e684e90e9ebfff9954c630905257e375f6843cf89cb675f4615f5631", kill_on_drop: false }`
[INFO] [stdout] aa924b30e684e90e9ebfff9954c630905257e375f6843cf89cb675f4615f5631
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43ebb755f5cae606411fe51701e6482911a062a6532bbcc0cccfddf6db3037c5
[INFO] running `Command { std: "docker" "start" "-a" "43ebb755f5cae606411fe51701e6482911a062a6532bbcc0cccfddf6db3037c5", 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/string_len-d5cd0985dfbb07de)
[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 string_len
[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" "43ebb755f5cae606411fe51701e6482911a062a6532bbcc0cccfddf6db3037c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43ebb755f5cae606411fe51701e6482911a062a6532bbcc0cccfddf6db3037c5", kill_on_drop: false }`
[INFO] [stdout] 43ebb755f5cae606411fe51701e6482911a062a6532bbcc0cccfddf6db3037c5