[INFO] fetching crate mumu-flow 0.1.0...
[INFO] testing mumu-flow-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate mumu-flow 0.1.0 into /workspace/builds/worker-7-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mumu-flow 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mumu v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f83fc1d9bb6071e470713a45600072b50a6f07b8d82c6bea2047ada92c0f00c8
[INFO] running `Command { std: "docker" "start" "-a" "f83fc1d9bb6071e470713a45600072b50a6f07b8d82c6bea2047ada92c0f00c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f83fc1d9bb6071e470713a45600072b50a6f07b8d82c6bea2047ada92c0f00c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f83fc1d9bb6071e470713a45600072b50a6f07b8d82c6bea2047ada92c0f00c8", kill_on_drop: false }`
[INFO] [stdout] f83fc1d9bb6071e470713a45600072b50a6f07b8d82c6bea2047ada92c0f00c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4662a53d08d01307ce5b098b35ee63e4fa85db39a474d8c88dfa74616f46d42
[INFO] running `Command { std: "docker" "start" "-a" "c4662a53d08d01307ce5b098b35ee63e4fa85db39a474d8c88dfa74616f46d42", 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 signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling regex-automata v0.4.9
[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 16.47s
[INFO] running `Command { std: "docker" "inspect" "c4662a53d08d01307ce5b098b35ee63e4fa85db39a474d8c88dfa74616f46d42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4662a53d08d01307ce5b098b35ee63e4fa85db39a474d8c88dfa74616f46d42", kill_on_drop: false }`
[INFO] [stdout] c4662a53d08d01307ce5b098b35ee63e4fa85db39a474d8c88dfa74616f46d42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d44df5a9bccb507f14b17eef4d8f202089fc4a472400d1541128b84a4d8ae292
[INFO] running `Command { std: "docker" "start" "-a" "d44df5a9bccb507f14b17eef4d8f202089fc4a472400d1541128b84a4d8ae292", 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 1.00s
[INFO] running `Command { std: "docker" "inspect" "d44df5a9bccb507f14b17eef4d8f202089fc4a472400d1541128b84a4d8ae292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d44df5a9bccb507f14b17eef4d8f202089fc4a472400d1541128b84a4d8ae292", kill_on_drop: false }`
[INFO] [stdout] d44df5a9bccb507f14b17eef4d8f202089fc4a472400d1541128b84a4d8ae292
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5125cedc87262fd4b98a6b7475cc07beaef743cd89f4c2265f655adcb91b2642
[INFO] running `Command { std: "docker" "start" "-a" "5125cedc87262fd4b98a6b7475cc07beaef743cd89f4c2265f655adcb91b2642", 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-0a021c274fa846a3)
[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" "5125cedc87262fd4b98a6b7475cc07beaef743cd89f4c2265f655adcb91b2642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5125cedc87262fd4b98a6b7475cc07beaef743cd89f4c2265f655adcb91b2642", kill_on_drop: false }`
[INFO] [stdout] 5125cedc87262fd4b98a6b7475cc07beaef743cd89f4c2265f655adcb91b2642