[INFO] fetching crate maflow 0.1.0...
[INFO] testing maflow-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate maflow 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate maflow 0.1.0
[INFO] finished tweaking crates.io crate maflow 0.1.0
[INFO] tweaked toml for crates.io crate maflow 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate maflow 0.1.0 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 maflow 0.1.0 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-2025-09-21" "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] 76ace37edb3f5df5825c63e959fbbd7d548bf358e336dc58583f4887b1abebdd
[INFO] running `Command { std: "docker" "start" "-a" "76ace37edb3f5df5825c63e959fbbd7d548bf358e336dc58583f4887b1abebdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76ace37edb3f5df5825c63e959fbbd7d548bf358e336dc58583f4887b1abebdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76ace37edb3f5df5825c63e959fbbd7d548bf358e336dc58583f4887b1abebdd", kill_on_drop: false }`
[INFO] [stdout] 76ace37edb3f5df5825c63e959fbbd7d548bf358e336dc58583f4887b1abebdd
[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] ff1389aea66022e49987c01fa317a40fc8bd0b22ffb1060ed9b609c59c0160f1
[INFO] running `Command { std: "docker" "start" "-a" "ff1389aea66022e49987c01fa317a40fc8bd0b22ffb1060ed9b609c59c0160f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling maflow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "ff1389aea66022e49987c01fa317a40fc8bd0b22ffb1060ed9b609c59c0160f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff1389aea66022e49987c01fa317a40fc8bd0b22ffb1060ed9b609c59c0160f1", kill_on_drop: false }`
[INFO] [stdout] ff1389aea66022e49987c01fa317a40fc8bd0b22ffb1060ed9b609c59c0160f1
[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] c25b19dd89d410e27198e8527de0c3c1d1f1a14db362c7a3e32c8bb26c6a4f57
[INFO] running `Command { std: "docker" "start" "-a" "c25b19dd89d410e27198e8527de0c3c1d1f1a14db362c7a3e32c8bb26c6a4f57", kill_on_drop: false }`
[INFO] [stderr]    Compiling maflow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "c25b19dd89d410e27198e8527de0c3c1d1f1a14db362c7a3e32c8bb26c6a4f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c25b19dd89d410e27198e8527de0c3c1d1f1a14db362c7a3e32c8bb26c6a4f57", kill_on_drop: false }`
[INFO] [stdout] c25b19dd89d410e27198e8527de0c3c1d1f1a14db362c7a3e32c8bb26c6a4f57
[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] f3c66225b51421b7487e193486a0df2dacb25a947d95ea182e43a02721253a4e
[INFO] running `Command { std: "docker" "start" "-a" "f3c66225b51421b7487e193486a0df2dacb25a947d95ea182e43a02721253a4e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/maflow-c737bc894e97debc)
[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 maflow
[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" "f3c66225b51421b7487e193486a0df2dacb25a947d95ea182e43a02721253a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c66225b51421b7487e193486a0df2dacb25a947d95ea182e43a02721253a4e", kill_on_drop: false }`
[INFO] [stdout] f3c66225b51421b7487e193486a0df2dacb25a947d95ea182e43a02721253a4e