[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-1.37-6/sources/1.36.0/gh/harmoniemand/pixelflut-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/harmoniemand/pixelflut-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/harmoniemand/pixelflut-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/harmoniemand/pixelflut-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of harmoniemand/pixelflut-rust on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing harmoniemand/pixelflut-rust against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 87d138692cb1bf618ef56dc66f1baf7a7a541166514c8f2978f7c93af752a98e
[INFO] running `"docker" "start" "-a" "87d138692cb1bf618ef56dc66f1baf7a7a541166514c8f2978f7c93af752a98e"`
[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 1.12s
[INFO] running `"docker" "inspect" "87d138692cb1bf618ef56dc66f1baf7a7a541166514c8f2978f7c93af752a98e"`
[INFO] running `"docker" "rm" "-f" "87d138692cb1bf618ef56dc66f1baf7a7a541166514c8f2978f7c93af752a98e"`
[INFO] [stdout] 87d138692cb1bf618ef56dc66f1baf7a7a541166514c8f2978f7c93af752a98e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8bdfaa8cca50effc1e57328ea31b66b2b5e400830e728b20b390e8288a3345ba
[INFO] running `"docker" "start" "-a" "8bdfaa8cca50effc1e57328ea31b66b2b5e400830e728b20b390e8288a3345ba"`
[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 0.89s
[INFO] running `"docker" "inspect" "8bdfaa8cca50effc1e57328ea31b66b2b5e400830e728b20b390e8288a3345ba"`
[INFO] running `"docker" "rm" "-f" "8bdfaa8cca50effc1e57328ea31b66b2b5e400830e728b20b390e8288a3345ba"`
[INFO] [stdout] 8bdfaa8cca50effc1e57328ea31b66b2b5e400830e728b20b390e8288a3345ba
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] df1f71030f4afe1e72e04505a23681312f37f93076de48743c5293f1a35ee545
[INFO] running `"docker" "start" "-a" "df1f71030f4afe1e72e04505a23681312f37f93076de48743c5293f1a35ee545"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/zahlenraten-6f8bb1f9cbcc09fa
[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" "df1f71030f4afe1e72e04505a23681312f37f93076de48743c5293f1a35ee545"`
[INFO] running `"docker" "rm" "-f" "df1f71030f4afe1e72e04505a23681312f37f93076de48743c5293f1a35ee545"`
[INFO] [stdout] df1f71030f4afe1e72e04505a23681312f37f93076de48743c5293f1a35ee545