[INFO] fetching crate flamingos 0.0.1-pre...
[INFO] testing flamingos-0.0.1-pre against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate flamingos 0.0.1-pre into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate flamingos 0.0.1-pre
[INFO] finished tweaking crates.io crate flamingos 0.0.1-pre
[INFO] tweaked toml for crates.io crate flamingos 0.0.1-pre written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flamingos 0.0.1-pre 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 flamingos 0.0.1-pre 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] cca75cf44873527a6d9d9de4287ce84953fe8e2b241c1919b1d9a1c84e96ebba
[INFO] running `Command { std: "docker" "start" "-a" "cca75cf44873527a6d9d9de4287ce84953fe8e2b241c1919b1d9a1c84e96ebba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cca75cf44873527a6d9d9de4287ce84953fe8e2b241c1919b1d9a1c84e96ebba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cca75cf44873527a6d9d9de4287ce84953fe8e2b241c1919b1d9a1c84e96ebba", kill_on_drop: false }`
[INFO] [stdout] cca75cf44873527a6d9d9de4287ce84953fe8e2b241c1919b1d9a1c84e96ebba
[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] 0c4dceecc0bc23d8df44836c0f33a6173ba10e87959bcfdcd57522fc00a51662
[INFO] running `Command { std: "docker" "start" "-a" "0c4dceecc0bc23d8df44836c0f33a6173ba10e87959bcfdcd57522fc00a51662", kill_on_drop: false }`
[INFO] [stderr]    Compiling flamingos v0.0.1-pre (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "0c4dceecc0bc23d8df44836c0f33a6173ba10e87959bcfdcd57522fc00a51662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c4dceecc0bc23d8df44836c0f33a6173ba10e87959bcfdcd57522fc00a51662", kill_on_drop: false }`
[INFO] [stdout] 0c4dceecc0bc23d8df44836c0f33a6173ba10e87959bcfdcd57522fc00a51662
[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] c2e2c63421902358ab908b33e923686352e18a84f5ee1d24ece1f12c3b2fc1d8
[INFO] running `Command { std: "docker" "start" "-a" "c2e2c63421902358ab908b33e923686352e18a84f5ee1d24ece1f12c3b2fc1d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling flamingos v0.0.1-pre (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "c2e2c63421902358ab908b33e923686352e18a84f5ee1d24ece1f12c3b2fc1d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2e2c63421902358ab908b33e923686352e18a84f5ee1d24ece1f12c3b2fc1d8", kill_on_drop: false }`
[INFO] [stdout] c2e2c63421902358ab908b33e923686352e18a84f5ee1d24ece1f12c3b2fc1d8
[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] 653d36c7dd4a9b7c0d0dca41a1be87b5791994ad093c3b06387bb8d6f4d3b8f3
[INFO] running `Command { std: "docker" "start" "-a" "653d36c7dd4a9b7c0d0dca41a1be87b5791994ad093c3b06387bb8d6f4d3b8f3", 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/flamingos-71b8561c882e19b6)
[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 flamingos
[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" "653d36c7dd4a9b7c0d0dca41a1be87b5791994ad093c3b06387bb8d6f4d3b8f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "653d36c7dd4a9b7c0d0dca41a1be87b5791994ad093c3b06387bb8d6f4d3b8f3", kill_on_drop: false }`
[INFO] [stdout] 653d36c7dd4a9b7c0d0dca41a1be87b5791994ad093c3b06387bb8d6f4d3b8f3