[INFO] fetching crate mumu-flow 0.1.0...
[INFO] testing mumu-flow-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mumu-flow 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mumu-flow 0.1.0
[INFO] finished tweaking crates.io crate mumu-flow 0.1.0
[INFO] tweaked toml for crates.io crate mumu-flow 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mumu-flow 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 mumu-flow 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-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] ee438163c930aef9ed27985f403ed9cfd5db2c9fe2deb067ea9d2e866b06cff2
[INFO] running `Command { std: "docker" "start" "-a" "ee438163c930aef9ed27985f403ed9cfd5db2c9fe2deb067ea9d2e866b06cff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee438163c930aef9ed27985f403ed9cfd5db2c9fe2deb067ea9d2e866b06cff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee438163c930aef9ed27985f403ed9cfd5db2c9fe2deb067ea9d2e866b06cff2", kill_on_drop: false }`
[INFO] [stdout] ee438163c930aef9ed27985f403ed9cfd5db2c9fe2deb067ea9d2e866b06cff2
[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] 9e71727e0be6240bc8e9943c45745d2e7639cf7ce087e49ec82e70bb59174cc3
[INFO] running `Command { std: "docker" "start" "-a" "9e71727e0be6240bc8e9943c45745d2e7639cf7ce087e49ec82e70bb59174cc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.173
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling crossterm v0.25.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling mumu v0.11.1
[INFO] [stderr]    Compiling mumu-flow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.66s
[INFO] running `Command { std: "docker" "inspect" "9e71727e0be6240bc8e9943c45745d2e7639cf7ce087e49ec82e70bb59174cc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e71727e0be6240bc8e9943c45745d2e7639cf7ce087e49ec82e70bb59174cc3", kill_on_drop: false }`
[INFO] [stdout] 9e71727e0be6240bc8e9943c45745d2e7639cf7ce087e49ec82e70bb59174cc3
[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] 4069ed7b948b4aa38eed44a023770d3dc09de633297e99ab9e438c911a486186
[INFO] running `Command { std: "docker" "start" "-a" "4069ed7b948b4aa38eed44a023770d3dc09de633297e99ab9e438c911a486186", kill_on_drop: false }`
[INFO] [stderr]    Compiling mumu-flow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "4069ed7b948b4aa38eed44a023770d3dc09de633297e99ab9e438c911a486186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4069ed7b948b4aa38eed44a023770d3dc09de633297e99ab9e438c911a486186", kill_on_drop: false }`
[INFO] [stdout] 4069ed7b948b4aa38eed44a023770d3dc09de633297e99ab9e438c911a486186
[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] d78acacf196d5c74111cf2cd0ff2390769cbeda1e3c0b4e224a0477747e27c56
[INFO] running `Command { std: "docker" "start" "-a" "d78acacf196d5c74111cf2cd0ff2390769cbeda1e3c0b4e224a0477747e27c56", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mumuflow-e708485d3152d507)
[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" "d78acacf196d5c74111cf2cd0ff2390769cbeda1e3c0b4e224a0477747e27c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d78acacf196d5c74111cf2cd0ff2390769cbeda1e3c0b4e224a0477747e27c56", kill_on_drop: false }`
[INFO] [stdout] d78acacf196d5c74111cf2cd0ff2390769cbeda1e3c0b4e224a0477747e27c56