[INFO] cloning repository https://github.com/espeon/sinfonia
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/espeon/sinfonia" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fespeon%2Fsinfonia", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fespeon%2Fsinfonia'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c93e45054ccf7af750c8062111f34fe2ab644d5f
[INFO] testing espeon/sinfonia against master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fespeon%2Fsinfonia" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/espeon/sinfonia on toolchain 414482f6a0d4e7290f614300581a0b55442552a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/espeon/sinfonia
[INFO] finished tweaking git repo https://github.com/espeon/sinfonia
[INFO] tweaked toml for git repo https://github.com/espeon/sinfonia written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/espeon/sinfonia 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" "+414482f6a0d4e7290f614300581a0b55442552a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22de24adf97d8f152f76bbd5b4eed61496ea8bae793ca05bf2a57dcb8f176f94
[INFO] running `Command { std: "docker" "start" "-a" "22de24adf97d8f152f76bbd5b4eed61496ea8bae793ca05bf2a57dcb8f176f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22de24adf97d8f152f76bbd5b4eed61496ea8bae793ca05bf2a57dcb8f176f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22de24adf97d8f152f76bbd5b4eed61496ea8bae793ca05bf2a57dcb8f176f94", kill_on_drop: false }`
[INFO] [stdout] 22de24adf97d8f152f76bbd5b4eed61496ea8bae793ca05bf2a57dcb8f176f94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ba5c341f85b6d649bf346f07c6f1ee4ea34adc7890c8d86d0a0bcf0ac6b73cb
[INFO] running `Command { std: "docker" "start" "-a" "9ba5c341f85b6d649bf346f07c6f1ee4ea34adc7890c8d86d0a0bcf0ac6b73cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling capnp v0.16.1
[INFO] [stderr]    Compiling sinfonia v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `Command { std: "docker" "inspect" "9ba5c341f85b6d649bf346f07c6f1ee4ea34adc7890c8d86d0a0bcf0ac6b73cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ba5c341f85b6d649bf346f07c6f1ee4ea34adc7890c8d86d0a0bcf0ac6b73cb", kill_on_drop: false }`
[INFO] [stdout] 9ba5c341f85b6d649bf346f07c6f1ee4ea34adc7890c8d86d0a0bcf0ac6b73cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca53992aeb4f3c0b896c35d3eca5a91fd7bf2784ce15e4b6c73e8777a40f5c05
[INFO] running `Command { std: "docker" "start" "-a" "ca53992aeb4f3c0b896c35d3eca5a91fd7bf2784ce15e4b6c73e8777a40f5c05", kill_on_drop: false }`
[INFO] [stderr]    Compiling sinfonia v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     todo!("actually finish the test (write to string and compare instead of writing to stdout");
[INFO] [stdout]    |     ------------------------------------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 58 |     Ok(())
[INFO] [stdout]    |     ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "ca53992aeb4f3c0b896c35d3eca5a91fd7bf2784ce15e4b6c73e8777a40f5c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca53992aeb4f3c0b896c35d3eca5a91fd7bf2784ce15e4b6c73e8777a40f5c05", kill_on_drop: false }`
[INFO] [stdout] ca53992aeb4f3c0b896c35d3eca5a91fd7bf2784ce15e4b6c73e8777a40f5c05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 887d14423b7d8df83b3f8a25f0b266a0afe7649c3d185a919d6d299c141c36ef
[INFO] running `Command { std: "docker" "start" "-a" "887d14423b7d8df83b3f8a25f0b266a0afe7649c3d185a919d6d299c141c36ef", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     todo!("actually finish the test (write to string and compare instead of writing to stdout");
[INFO] [stderr]    |     ------------------------------------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stderr] 58 |     Ok(())
[INFO] [stderr]    |     ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sinfonia` (bin "sinfonia" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sinfonia-e27b43b4c28999ea)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass `--bin sinfonia`
[ERROR] error running command: stream did not contain valid UTF-8
[INFO] running `Command { std: "docker" "inspect" "887d14423b7d8df83b3f8a25f0b266a0afe7649c3d185a919d6d299c141c36ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "887d14423b7d8df83b3f8a25f0b266a0afe7649c3d185a919d6d299c141c36ef", kill_on_drop: false }`
[INFO] [stdout] 887d14423b7d8df83b3f8a25f0b266a0afe7649c3d185a919d6d299c141c36ef