[INFO] fetching crate viz-flow 0.0.0...
[INFO] testing viz-flow-0.0.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate viz-flow 0.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate viz-flow 0.0.0
[INFO] finished tweaking crates.io crate viz-flow 0.0.0
[INFO] tweaked toml for crates.io crate viz-flow 0.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate viz-flow 0.0.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate viz-flow 0.0.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6569950f96134198dac1356b30c9481cd7b8e84ef53d46666954fb98dbba8b27
[INFO] running `Command { std: "docker" "start" "-a" "6569950f96134198dac1356b30c9481cd7b8e84ef53d46666954fb98dbba8b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6569950f96134198dac1356b30c9481cd7b8e84ef53d46666954fb98dbba8b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6569950f96134198dac1356b30c9481cd7b8e84ef53d46666954fb98dbba8b27", kill_on_drop: false }`
[INFO] [stdout] 6569950f96134198dac1356b30c9481cd7b8e84ef53d46666954fb98dbba8b27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efc0ad5c79e4393acd7ba101b04179c215883c3da4fc775eec02c5487e8d1b17
[INFO] running `Command { std: "docker" "start" "-a" "efc0ad5c79e4393acd7ba101b04179c215883c3da4fc775eec02c5487e8d1b17", kill_on_drop: false }`
[INFO] [stderr]    Compiling viz-flow v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "efc0ad5c79e4393acd7ba101b04179c215883c3da4fc775eec02c5487e8d1b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efc0ad5c79e4393acd7ba101b04179c215883c3da4fc775eec02c5487e8d1b17", kill_on_drop: false }`
[INFO] [stdout] efc0ad5c79e4393acd7ba101b04179c215883c3da4fc775eec02c5487e8d1b17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b9eadb37da64e5617bf2d15e444a463b5df025a84413644553e198d3ab2a69e
[INFO] running `Command { std: "docker" "start" "-a" "8b9eadb37da64e5617bf2d15e444a463b5df025a84413644553e198d3ab2a69e", kill_on_drop: false }`
[INFO] [stderr]    Compiling viz-flow v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "8b9eadb37da64e5617bf2d15e444a463b5df025a84413644553e198d3ab2a69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b9eadb37da64e5617bf2d15e444a463b5df025a84413644553e198d3ab2a69e", kill_on_drop: false }`
[INFO] [stdout] 8b9eadb37da64e5617bf2d15e444a463b5df025a84413644553e198d3ab2a69e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1564dcf1a1bd34bea8a277aa6be3b739997520e04e75f75442f4e6801e5b37a3
[INFO] running `Command { std: "docker" "start" "-a" "1564dcf1a1bd34bea8a277aa6be3b739997520e04e75f75442f4e6801e5b37a3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/viz_flow-683246c4a87246ba)
[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" "1564dcf1a1bd34bea8a277aa6be3b739997520e04e75f75442f4e6801e5b37a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1564dcf1a1bd34bea8a277aa6be3b739997520e04e75f75442f4e6801e5b37a3", kill_on_drop: false }`
[INFO] [stdout] 1564dcf1a1bd34bea8a277aa6be3b739997520e04e75f75442f4e6801e5b37a3