[INFO] fetching crate nck 0.0.1...
[INFO] testing nck-0.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate nck 0.0.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate nck 0.0.1
[INFO] finished tweaking crates.io crate nck 0.0.1
[INFO] tweaked toml for crates.io crate nck 0.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nck 0.0.1 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 nck 0.0.1 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04e77eed1650bd8bb6b6f4eaf06e1ba0cf13323eda5c5a07adb243c30abfdb89
[INFO] running `Command { std: "docker" "start" "-a" "04e77eed1650bd8bb6b6f4eaf06e1ba0cf13323eda5c5a07adb243c30abfdb89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04e77eed1650bd8bb6b6f4eaf06e1ba0cf13323eda5c5a07adb243c30abfdb89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04e77eed1650bd8bb6b6f4eaf06e1ba0cf13323eda5c5a07adb243c30abfdb89", kill_on_drop: false }`
[INFO] [stdout] 04e77eed1650bd8bb6b6f4eaf06e1ba0cf13323eda5c5a07adb243c30abfdb89
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0040ee3c044493633ecde571175a298d325356ab09921b52c3ca191dd4cb7c92
[INFO] running `Command { std: "docker" "start" "-a" "0040ee3c044493633ecde571175a298d325356ab09921b52c3ca191dd4cb7c92", kill_on_drop: false }`
[INFO] [stderr]    Compiling nck v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "0040ee3c044493633ecde571175a298d325356ab09921b52c3ca191dd4cb7c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0040ee3c044493633ecde571175a298d325356ab09921b52c3ca191dd4cb7c92", kill_on_drop: false }`
[INFO] [stdout] 0040ee3c044493633ecde571175a298d325356ab09921b52c3ca191dd4cb7c92
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5242e7bd70bf04c01c9dc44430cd21a2a423286bfef3c4c4e0ee1cadbe13a5fd
[INFO] running `Command { std: "docker" "start" "-a" "5242e7bd70bf04c01c9dc44430cd21a2a423286bfef3c4c4e0ee1cadbe13a5fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling nck v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "5242e7bd70bf04c01c9dc44430cd21a2a423286bfef3c4c4e0ee1cadbe13a5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5242e7bd70bf04c01c9dc44430cd21a2a423286bfef3c4c4e0ee1cadbe13a5fd", kill_on_drop: false }`
[INFO] [stdout] 5242e7bd70bf04c01c9dc44430cd21a2a423286bfef3c4c4e0ee1cadbe13a5fd
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cb1ea18d3f74401aef922c9d10740c15c06b8d30f657ad988bbee1f2ee28e8e3
[INFO] running `Command { std: "docker" "start" "-a" "cb1ea18d3f74401aef922c9d10740c15c06b8d30f657ad988bbee1f2ee28e8e3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nck-d162fa4692cab642)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/nck-4300414162ed3155)
[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 nck
[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" "cb1ea18d3f74401aef922c9d10740c15c06b8d30f657ad988bbee1f2ee28e8e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb1ea18d3f74401aef922c9d10740c15c06b8d30f657ad988bbee1f2ee28e8e3", kill_on_drop: false }`
[INFO] [stdout] cb1ea18d3f74401aef922c9d10740c15c06b8d30f657ad988bbee1f2ee28e8e3