[INFO] updating cached repository harmoniemand/pixelflut-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/harmoniemand/pixelflut-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/harmoniemand/pixelflut-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/harmoniemand/pixelflut-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/harmoniemand/pixelflut-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/harmoniemand/pixelflut-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/harmoniemand/pixelflut-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/harmoniemand/pixelflut-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7fae560832d781802e929b2738f65e31d33b82eb
[INFO] sha for GitHub repo harmoniemand/pixelflut-rust: 7fae560832d781802e929b2738f65e31d33b82eb
[INFO] validating manifest of harmoniemand/pixelflut-rust on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of harmoniemand/pixelflut-rust on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing harmoniemand/pixelflut-rust
[INFO] finished frobbing harmoniemand/pixelflut-rust
[INFO] frobbed toml for harmoniemand/pixelflut-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/harmoniemand/pixelflut-rust/Cargo.toml
[INFO] started frobbing harmoniemand/pixelflut-rust
[INFO] finished frobbing harmoniemand/pixelflut-rust
[INFO] frobbed toml for harmoniemand/pixelflut-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/harmoniemand/pixelflut-rust/Cargo.toml
[INFO] crate harmoniemand/pixelflut-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing harmoniemand/pixelflut-rust against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/harmoniemand/pixelflut-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 4b24966a6ff881f27da9d7667d75a1875828213c2326fad86c45f1c745223dad
[INFO] running `"docker" "start" "-a" "4b24966a6ff881f27da9d7667d75a1875828213c2326fad86c45f1c745223dad"`
[INFO] [stderr]    Compiling zahlenraten v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         stream.write(msg.as_bytes());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `"docker" "inspect" "4b24966a6ff881f27da9d7667d75a1875828213c2326fad86c45f1c745223dad"`
[INFO] running `"docker" "rm" "-f" "4b24966a6ff881f27da9d7667d75a1875828213c2326fad86c45f1c745223dad"`
[INFO] [stdout] 4b24966a6ff881f27da9d7667d75a1875828213c2326fad86c45f1c745223dad
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/harmoniemand/pixelflut-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 99d4c311636104f5636440e0fcb6fcc0046e9ce4914da03bd9dfc7ed8199212d
[INFO] running `"docker" "start" "-a" "99d4c311636104f5636440e0fcb6fcc0046e9ce4914da03bd9dfc7ed8199212d"`
[INFO] [stderr]    Compiling zahlenraten v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         stream.write(msg.as_bytes());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "99d4c311636104f5636440e0fcb6fcc0046e9ce4914da03bd9dfc7ed8199212d"`
[INFO] running `"docker" "rm" "-f" "99d4c311636104f5636440e0fcb6fcc0046e9ce4914da03bd9dfc7ed8199212d"`
[INFO] [stdout] 99d4c311636104f5636440e0fcb6fcc0046e9ce4914da03bd9dfc7ed8199212d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/harmoniemand/pixelflut-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 36c0ef4746767663dbd063f8b448d12f240d2733823afe2b7417a29257d473e0
[INFO] running `"docker" "start" "-a" "36c0ef4746767663dbd063f8b448d12f240d2733823afe2b7417a29257d473e0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/zahlenraten-a1d0c6b1e825ced5
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "36c0ef4746767663dbd063f8b448d12f240d2733823afe2b7417a29257d473e0"`
[INFO] running `"docker" "rm" "-f" "36c0ef4746767663dbd063f8b448d12f240d2733823afe2b7417a29257d473e0"`
[INFO] [stdout] 36c0ef4746767663dbd063f8b448d12f240d2733823afe2b7417a29257d473e0